diff --git a/.babelrc b/.babelrc
deleted file mode 100644
index 10e5039..0000000
--- a/.babelrc
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  "plugins": [
-    "transform-runtime"
-  ],
-  "presets": [
-    [
-      "es2015",
-      {
-        "modules": false
-      }
-    ]
-  ]
-}
diff --git a/.eslintignore b/.eslintignore
index 4aecb50..207b110 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -1,3 +1,2 @@
 dist/
-
 Gruntfile.js
diff --git a/.eslintrc.json b/.eslintrc.json
index c7c2dad..375d28d 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -1,19 +1,17 @@
 {
-  "extends": "notninja/es6",
+  "extends": "notninja/es5",
   "env": {
     "browser": true,
     "node": true
   },
-  "parser": "babel-eslint",
-  "parserOptions": {
-    "sourceType": "module"
-  },
   "rules": {
     "max-params": [
       "error",
       5
     ],
     "no-bitwise": "off",
+    "no-empty-function": "off",
+    "no-invalid-this": "off",
     "no-unused-vars": [
       "warn",
       {
diff --git a/.travis.yml b/.travis.yml
index 261c239..7404b99 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,12 +1,13 @@
 sudo: false
 language: node_js
 node_js:
-  - "0.10"
-  - "0.12"
   - "4"
   - "6"
+  - "8"
+before_script:
+  - npm install -g npm@latest
 script:
-  - npm test
+  - npm run ci
 env:
   - CXX=g++-4.8
 addons:
diff --git a/CHANGES.md b/CHANGES.md
index 55b5aef..b8629d7 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,10 @@
+## Version 3.0.0, 2017.06.01
+
+* Reduce size of distribution files [#59](https://github.com/neocotic/qrious/issues/59) (**breaking change**)
+* Drop support for Node.js < 4 [#74](https://github.com/neocotic/qrious/issues/74) (**breaking change**)
+* Remove QRious.DEFAULTS [#77](https://github.com/neocotic/qrious/issues/77) (**breaking change**)
+* Rewrite code in ES5 [#81](https://github.com/neocotic/qrious/issues/81) (**breaking change**)
+
 ## Version 2.3.0, 2017.05.31
 
 * Enable setting of multiple properties at once resulting in a single re-render [#69](https://github.com/neocotic/qrious/issues/69)
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 9f59a18..5b7515c 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -16,16 +16,15 @@ $ npm install
 $ npm test
 ```
 
-This will recompile the distribution files as well so feel free to make use of the `demo.html` to test your changes
-locally before committing.
+You must have at least [Node.js](https://nodejs.org) version 4 or newer and [npm](https://npmjs.com) installed version 5
+or newer installed.
 
-If you're using a version of [Node.js](https://nodejs.org) that is older than 0.12, then linting is not performed by
-this step. Please consider upgrading to at least 0.12 or your pull request may fail on the CI build.
+Feel free to make use of the `demo.html` to test your changes locally before committing. You will need to rebuild the
+distribution files in order to see your changes in the `demo.html`, but you can do so by running the following command:
 
-Likewise, [Node.js](https://nodejs.org) versions older than 0.10 will also not be able to compile the source code using
-[Rollup](http://rollupjs.org) so the test suite will not be executed against any changes you've made to `src/**.js`. For
-this reason, 0.10 is not supported from a development perspective, but our CI builds do run the test suite against the
-pre-compiled code for this version to ensure that it works.
+``` bash
+$ npm run build
+```
 
 All pull requests should be made to the `develop` branch.
 
diff --git a/Gruntfile.js b/Gruntfile.js
index 7d26356..46e4a78 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -20,176 +20,104 @@
 'use strict';
 
 module.exports = function(grunt) {
-  var babel;
-  var commonjs;
-  var nodeResolve;
-  var semver = require('semver');
-  var uglify;
-
-  var bannerLarge = [
-    '/*',
-    ' * QRious v<%= pkg.version %>',
-    ' * Copyright (C) <%= grunt.template.today("yyyy") %> <%= pkg.author.name %>',
-    ' * Copyright (C) 2010 Tom Zerucha',
-    ' *',
-    ' * This program is free software: you can redistribute it and/or modify',
-    ' * it under the terms of the GNU General Public License as published by',
-    ' * the Free Software Foundation, either version 3 of the License, or',
-    ' * (at your option) any later version.',
-    ' *',
-    ' * This program is distributed in the hope that it will be useful,',
-    ' * but WITHOUT ANY WARRANTY; without even the implied warranty of',
-    ' * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the',
-    ' * GNU General Public License for more details.',
-    ' *',
-    ' * You should have received a copy of the GNU General Public License',
-    ' * along with this program.  If not, see <http://www.gnu.org/licenses/>.',
-    ' */'
-  ].join('\n');
-  var bannerSmall = [
-    '/*! QRious v<%= pkg.version %> | (C) <%= grunt.template.today("yyyy") %> <%= pkg.author.name %> | GPL v3 License',
-    'Based on jsqrencode | (C) 2010 tz@execpc.com | GPL v3 License',
-    '*/'
-  ].join('\n');
+  var commonjs = require('rollup-plugin-commonjs');
+  var nodeResolve = require('rollup-plugin-node-resolve');
+  var uglify = require('rollup-plugin-uglify');
 
   grunt.initConfig({
     pkg: grunt.file.readJSON('package.json'),
 
-    watch: {
-      all: {
-        files: [ 'src/**/*.js' ],
-        tasks: [ 'test' ]
-      }
-    }
-  });
-
-  var buildTasks = [ 'compile' ];
-  var compileTasks = [];
-  var testTasks = [ 'compile' ];
-
-  if (semver.satisfies(process.version, '>=0.12')) {
-    babel = require('rollup-plugin-babel');
-    commonjs = require('rollup-plugin-commonjs');
-    nodeResolve = require('rollup-plugin-node-resolve');
-    uglify = require('rollup-plugin-uglify');
+    clean: {
+      build: [ 'dist/**' ]
+    },
 
-    compileTasks.push('clean', 'rollup');
-
-    grunt.config.merge({
-      clean: {
-        build: [ 'dist/**' ]
-      },
-
-      rollup: {
-        cjs: {
-          options: {
-            format: 'cjs',
-            sourceMap: true,
-            sourceMapRelativePaths: true,
-            banner: bannerLarge,
-            external: [ 'canvas' ],
-            plugins: function() {
-              return [
-                nodeResolve({
-                  jsnext: true,
-                  main: true
-                }),
-                commonjs(),
-                babel({
-                  exclude: [ 'node_modules/**' ],
-                  runtimeHelpers: true
-                })
-              ];
-            }
-          },
-          files: {
-            'dist/cjs/qrious.js': 'src/runtime/node.js'
-          }
-        },
-        umdDevelopment: {
-          options: {
-            format: 'umd',
-            moduleId: 'qrious',
-            moduleName: 'QRious',
-            sourceMap: true,
-            sourceMapRelativePaths: true,
-            banner: bannerLarge,
-            plugins: function() {
-              return [
-                nodeResolve({
-                  jsnext: true,
-                  main: true
-                }),
-                commonjs(),
-                babel({
-                  exclude: [ 'node_modules/**' ],
-                  runtimeHelpers: true
-                })
-              ];
-            }
-          },
-          files: {
-            'dist/umd/qrious.js': 'src/runtime/browser.js'
+    eslint: {
+      target: [ 'src/**/*.js' ]
+    },
+
+    rollup: {
+      umdDevelopment: {
+        options: {
+          format: 'umd',
+          moduleId: 'qrious',
+          moduleName: 'QRious',
+          sourceMap: true,
+          sourceMapRelativePaths: true,
+          banner: [
+            '/*',
+            ' * QRious v<%= pkg.version %>',
+            ' * Copyright (C) <%= grunt.template.today("yyyy") %> <%= pkg.author.name %>',
+            ' * Copyright (C) 2010 Tom Zerucha',
+            ' *',
+            ' * This program is free software: you can redistribute it and/or modify',
+            ' * it under the terms of the GNU General Public License as published by',
+            ' * the Free Software Foundation, either version 3 of the License, or',
+            ' * (at your option) any later version.',
+            ' *',
+            ' * This program is distributed in the hope that it will be useful,',
+            ' * but WITHOUT ANY WARRANTY; without even the implied warranty of',
+            ' * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the',
+            ' * GNU General Public License for more details.',
+            ' *',
+            ' * You should have received a copy of the GNU General Public License',
+            ' * along with this program.  If not, see <http://www.gnu.org/licenses/>.',
+            ' */'
+          ].join('\n'),
+          plugins: function() {
+            return [
+              nodeResolve({ main: true }),
+              commonjs()
+            ];
           }
         },
-        umdProduction: {
-          options: {
-            format: 'umd',
-            moduleId: 'qrious',
-            moduleName: 'QRious',
-            sourceMap: true,
-            sourceMapRelativePaths: true,
-            banner: bannerSmall,
-            plugins: function() {
-              return [
-                nodeResolve({
-                  jsnext: true,
-                  main: true
-                }),
-                commonjs(),
-                babel({
-                  exclude: [ 'node_modules/**' ],
-                  runtimeHelpers: true
-                }),
-                uglify({
-                  output: {
-                    comments: function(node, comment) {
-                      return comment.type === 'comment2' && /^\!/.test(comment.value);
-                    }
+        files: {
+          'dist/qrious.js': 'src/runtime/browser.js'
+        }
+      },
+      umdProduction: {
+        options: {
+          format: 'umd',
+          moduleId: 'qrious',
+          moduleName: 'QRious',
+          sourceMap: true,
+          sourceMapRelativePaths: true,
+          banner: [
+            '/*! QRious v<%= pkg.version %> | (C) <%= grunt.template.today("yyyy") %> <%= pkg.author.name %> | GPL v3 License',
+            'Based on jsqrencode | (C) 2010 tz@execpc.com | GPL v3 License',
+            '*/'
+          ].join('\n'),
+          plugins: function() {
+            return [
+              nodeResolve({ main: true }),
+              commonjs(),
+              uglify({
+                output: {
+                  comments: function(node, comment) {
+                    return comment.type === 'comment2' && /^\!/.test(comment.value);
                   }
-                })
-              ];
-            }
-          },
-          files: {
-            'dist/umd/qrious.min.js': 'src/runtime/browser.js'
+                }
+              })
+            ];
           }
+        },
+        files: {
+          'dist/qrious.min.js': 'src/runtime/browser.js'
         }
       }
-    });
-
-    grunt.loadNpmTasks('grunt-contrib-clean');
-    grunt.loadNpmTasks('grunt-rollup');
-  } else {
-    grunt.log.writeln('"clean" and "rollup" tasks are disabled because Node.js version is <0.12! Please consider upgrading Node.js...');
-  }
-
-  if (semver.satisfies(process.version, '>=4')) {
-    compileTasks.unshift('eslint');
-
-    grunt.config.set('eslint', {
-      target: [ 'src/**/*.js' ]
-    });
+    },
 
-    grunt.loadNpmTasks('grunt-eslint');
-  } else {
-    grunt.log.writeln('"eslint" task is disabled because Node.js version is <4! Please consider upgrading Node.js...');
-  }
+    watch: {
+      all: {
+        files: [ 'src/**/*.js' ],
+        tasks: [ 'eslint' ]
+      }
+    }
+  });
 
-  grunt.loadNpmTasks('grunt-contrib-watch');
+  require('load-grunt-tasks')(grunt);
 
-  grunt.registerTask('default', [ 'build' ]);
-  grunt.registerTask('build', buildTasks);
-  grunt.registerTask('compile', compileTasks);
-  grunt.registerTask('test', testTasks);
+  grunt.registerTask('default', [ 'ci' ]);
+  grunt.registerTask('build', [ 'eslint', 'clean:build', 'rollup' ]);
+  grunt.registerTask('ci', [ 'eslint', 'clean', 'rollup' ]);
+  grunt.registerTask('test', [ 'eslint' ]);
 };
diff --git a/README.md b/README.md
index eed4b68..dd3d124 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@
 
 [![Chat](https://img.shields.io/gitter/room/neocotic/qrious.svg?style=flat-square)](https://gitter.im/neocotic/qrious)
 [![Build Status](https://img.shields.io/travis/neocotic/qrious/develop.svg?style=flat-square)](https://travis-ci.org/neocotic/qrious)
+[![Dependency Status](https://img.shields.io/david/neocotic/qrious.svg?style=flat-square)](https://david-dm.org/neocotic/qrious)
 [![Optional Dependency Status](https://img.shields.io/david/optional/neocotic/qrious.svg?style=flat-square)](https://david-dm.org/neocotic/qrious?type=optional)
 [![Dev Dependency Status](https://img.shields.io/david/dev/neocotic/qrious.svg?style=flat-square)](https://david-dm.org/neocotic/qrious?type=dev)
 [![License](https://img.shields.io/npm/l/qrious.svg?style=flat-square)](https://github.com/neocotic/qrious/blob/master/LICENSE.md)
@@ -38,8 +39,8 @@ you want to install that way instead of using `npm`.
 
 If you want to simply download the file to be used in the browser you can find them below:
 
-* [Development Version](https://cdn.rawgit.com/neocotic/qrious/master/dist/umd/qrious.js) (123kb - [Source Map](https://cdn.rawgit.com/neocotic/qrious/master/dist/umd/qrious.js.map))
-* [Production Version](https://cdn.rawgit.com/neocotic/qrious/master/dist/umd/qrious.min.js) (37kb - [Source Map](https://cdn.rawgit.com/neocotic/qrious/master/dist/umd/qrious.min.js.map))
+* [Development Version](https://cdn.rawgit.com/neocotic/qrious/master/dist/qrious.js) (123kb - [Source Map](https://cdn.rawgit.com/neocotic/qrious/master/dist/qrious.js.map))
+* [Production Version](https://cdn.rawgit.com/neocotic/qrious/master/dist/qrious.min.js) (37kb - [Source Map](https://cdn.rawgit.com/neocotic/qrious/master/dist/qrious.min.js.map))
 
 ### Node.js Dependencies
 
@@ -106,17 +107,18 @@ Open up `demo.html` in your browser to play around a bit.
 Simply create an instance of `QRious` and you've done most of the work. You can control many aspects of the QR code
 using the following fields on your instance:
 
-| Field           | Type   | Description                                        | Default       |
-| --------------- | ------ | -------------------------------------------------- | ------------- |
-| background      | String | Background color of the QR code                    | `"white"`     |
-| backgroundAlpha | Number | Background alpha of the QR code                    | `1.0`         |
-| foreground      | String | Foreground color of the QR code                    | `"black"`     |
-| foregroundAlpha | Number | Foreground alpha of the QR code                    | `1.0`         |
-| level           | String | Error correction level of the QR code (L, M, Q, H) | `"L"`         |
-| mime            | String | MIME type used to render the image for the QR code | `"image/png"` |
-| padding         | Number | Padding for the QR code (pixels)                   | `null` (auto) |
-| size            | Number | Size of the QR code (pixels)                       | `100`         |
-| value           | String | Value encoded within the QR code                   | `""`          |
+| Field           | Type    | Description                                        | Default       | Read Only |
+| --------------- | ------- | -------------------------------------------------- | ------------- | --------- |
+| background      | String  | Background color of the QR code                    | `"white"`     | No        |
+| backgroundAlpha | Number  | Background alpha of the QR code                    | `1.0`         | No        |
+| element         | Element | Element to render the QR code                      | `<canvas>`    | Yes       |
+| foreground      | String  | Foreground color of the QR code                    | `"black"`     | No        |
+| foregroundAlpha | Number  | Foreground alpha of the QR code                    | `1.0`         | No        |
+| level           | String  | Error correction level of the QR code (L, M, Q, H) | `"L"`         | No        |
+| mime            | String  | MIME type used to render the image for the QR code | `"image/png"` | No        |
+| padding         | Number  | Padding for the QR code (pixels)                   | `null` (auto) | No        |
+| size            | Number  | Size of the QR code (pixels)                       | `100`         | No        |
+| value           | String  | Value encoded within the QR code                   | `""`          | No        |
 
 ``` javascript
 const qr = new QRious();
@@ -164,9 +166,10 @@ const qr = new QRious({
 ```
 
 You can also pass in an `element` option to the constructor which can be used to generate the QR code using an existing
-DOM element. `element` must either be a `<canvas>` element or an `<img>` element which can then be accessed via the
-`canvas` or `image` fields on the instance respectively. An element will be created for whichever one isn't provided or
-for both if no `element` is specified, which means that they can be appeneded to the document at a later time.
+DOM element, which is the only time that you can specify read only options. `element` must either be a `<canvas>`
+element or an `<img>` element which can then be accessed via the `canvas` or `image` fields on the instance
+respectively. An element will be created for whichever one isn't provided or for both if no `element` is specified,
+which means that they can be appended to the document at a later time.
 
 ``` javascript
 const qr = new QRious({
@@ -212,7 +215,7 @@ The current version of `QRious`.
 
 ``` javascript
 QRious.VERSION;
-//=> "2.3.0"
+//=> "3.0.0"
 ```
 
 ## Migrating from v1
diff --git a/bower.json b/bower.json
index 1ad975e..8f01fe7 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "qrious",
-  "version": "2.3.0",
+  "version": "3.0.0",
   "description": "Library for QR code generation using canvas",
   "homepage": "https://github.com/neocotic/qrious",
   "authors": [
@@ -22,7 +22,7 @@
     "type": "git",
     "url": "https://github.com/neocotic/qrious.git"
   },
-  "main": "dist/umd/qrious.js",
+  "main": "dist/qrious.js",
   "ignore": [
     "src/",
     ".*",
diff --git a/demo.html b/demo.html
index 7f35ab9..5dd99af 100644
--- a/demo.html
+++ b/demo.html
@@ -143,7 +143,7 @@
   </section>
 </main>
 
-<script src="./dist/umd/qrious.js"></script>
+<script src="./dist/qrious.js"></script>
 <script>
   (function() {
     var $background = document.querySelector('main form [name="background"]');
diff --git a/dist/cjs/qrious.js b/dist/cjs/qrious.js
deleted file mode 100644
index b242a0e..0000000
--- a/dist/cjs/qrious.js
+++ /dev/null
@@ -1,4034 +0,0 @@
-/*
- * QRious v2.3.0
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-'use strict';
-
-function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
-
-var Canvas = require('canvas');
-var Canvas__default = _interopDefault(Canvas);
-
-function unwrapExports (x) {
-	return x && x.__esModule ? x['default'] : x;
-}
-
-function createCommonjsModule(fn, module) {
-	return module = { exports: {} }, fn(module, module.exports), module.exports;
-}
-
-// 7.2.1 RequireObjectCoercible(argument)
-var _defined = function(it){
-  if(it == undefined)throw TypeError("Can't call method on  " + it);
-  return it;
-};
-
-// 7.1.13 ToObject(argument)
-
-var _toObject = function(it){
-  return Object(_defined(it));
-};
-
-var hasOwnProperty = {}.hasOwnProperty;
-var _has = function(it, key){
-  return hasOwnProperty.call(it, key);
-};
-
-var _global = createCommonjsModule(function (module) {
-// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
-var global = module.exports = typeof window != 'undefined' && window.Math == Math
-  ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();
-if(typeof __g == 'number')__g = global; // eslint-disable-line no-undef
-});
-
-var SHARED = '__core-js_shared__';
-var store  = _global[SHARED] || (_global[SHARED] = {});
-var _shared = function(key){
-  return store[key] || (store[key] = {});
-};
-
-var id = 0;
-var px = Math.random();
-var _uid = function(key){
-  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
-};
-
-var shared = _shared('keys');
-var _sharedKey = function(key){
-  return shared[key] || (shared[key] = _uid(key));
-};
-
-// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)
-var IE_PROTO    = _sharedKey('IE_PROTO');
-var ObjectProto = Object.prototype;
-
-var _objectGpo = Object.getPrototypeOf || function(O){
-  O = _toObject(O);
-  if(_has(O, IE_PROTO))return O[IE_PROTO];
-  if(typeof O.constructor == 'function' && O instanceof O.constructor){
-    return O.constructor.prototype;
-  } return O instanceof Object ? ObjectProto : null;
-};
-
-var _core = createCommonjsModule(function (module) {
-var core = module.exports = {version: '2.4.0'};
-if(typeof __e == 'number')__e = core; // eslint-disable-line no-undef
-});
-
-var _aFunction = function(it){
-  if(typeof it != 'function')throw TypeError(it + ' is not a function!');
-  return it;
-};
-
-// optional / simple context binding
-
-var _ctx = function(fn, that, length){
-  _aFunction(fn);
-  if(that === undefined)return fn;
-  switch(length){
-    case 1: return function(a){
-      return fn.call(that, a);
-    };
-    case 2: return function(a, b){
-      return fn.call(that, a, b);
-    };
-    case 3: return function(a, b, c){
-      return fn.call(that, a, b, c);
-    };
-  }
-  return function(/* ...args */){
-    return fn.apply(that, arguments);
-  };
-};
-
-var _isObject = function(it){
-  return typeof it === 'object' ? it !== null : typeof it === 'function';
-};
-
-var _anObject = function(it){
-  if(!_isObject(it))throw TypeError(it + ' is not an object!');
-  return it;
-};
-
-var _fails = function(exec){
-  try {
-    return !!exec();
-  } catch(e){
-    return true;
-  }
-};
-
-// Thank's IE8 for his funny defineProperty
-var _descriptors = !_fails(function(){
-  return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7;
-});
-
-var document$1 = _global.document;
-var is = _isObject(document$1) && _isObject(document$1.createElement);
-var _domCreate = function(it){
-  return is ? document$1.createElement(it) : {};
-};
-
-var _ie8DomDefine = !_descriptors && !_fails(function(){
-  return Object.defineProperty(_domCreate('div'), 'a', {get: function(){ return 7; }}).a != 7;
-});
-
-// 7.1.1 ToPrimitive(input [, PreferredType])
-
-// instead of the ES6 spec version, we didn't implement @@toPrimitive case
-// and the second argument - flag - preferred type is a string
-var _toPrimitive = function(it, S){
-  if(!_isObject(it))return it;
-  var fn, val;
-  if(S && typeof (fn = it.toString) == 'function' && !_isObject(val = fn.call(it)))return val;
-  if(typeof (fn = it.valueOf) == 'function' && !_isObject(val = fn.call(it)))return val;
-  if(!S && typeof (fn = it.toString) == 'function' && !_isObject(val = fn.call(it)))return val;
-  throw TypeError("Can't convert object to primitive value");
-};
-
-var dP             = Object.defineProperty;
-
-var f = _descriptors ? Object.defineProperty : function defineProperty(O, P, Attributes){
-  _anObject(O);
-  P = _toPrimitive(P, true);
-  _anObject(Attributes);
-  if(_ie8DomDefine)try {
-    return dP(O, P, Attributes);
-  } catch(e){ /* empty */ }
-  if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!');
-  if('value' in Attributes)O[P] = Attributes.value;
-  return O;
-};
-
-var _objectDp = {
-	f: f
-};
-
-var _propertyDesc = function(bitmap, value){
-  return {
-    enumerable  : !(bitmap & 1),
-    configurable: !(bitmap & 2),
-    writable    : !(bitmap & 4),
-    value       : value
-  };
-};
-
-var _hide = _descriptors ? function(object, key, value){
-  return _objectDp.f(object, key, _propertyDesc(1, value));
-} : function(object, key, value){
-  object[key] = value;
-  return object;
-};
-
-var PROTOTYPE = 'prototype';
-
-var $export = function(type, name, source){
-  var IS_FORCED = type & $export.F
-    , IS_GLOBAL = type & $export.G
-    , IS_STATIC = type & $export.S
-    , IS_PROTO  = type & $export.P
-    , IS_BIND   = type & $export.B
-    , IS_WRAP   = type & $export.W
-    , exports   = IS_GLOBAL ? _core : _core[name] || (_core[name] = {})
-    , expProto  = exports[PROTOTYPE]
-    , target    = IS_GLOBAL ? _global : IS_STATIC ? _global[name] : (_global[name] || {})[PROTOTYPE]
-    , key, own, out;
-  if(IS_GLOBAL)source = name;
-  for(key in source){
-    // contains in native
-    own = !IS_FORCED && target && target[key] !== undefined;
-    if(own && key in exports)continue;
-    // export native or passed
-    out = own ? target[key] : source[key];
-    // prevent global pollution for namespaces
-    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]
-    // bind timers to global for call from export context
-    : IS_BIND && own ? _ctx(out, _global)
-    // wrap global constructors for prevent change them in library
-    : IS_WRAP && target[key] == out ? (function(C){
-      var F = function(a, b, c){
-        if(this instanceof C){
-          switch(arguments.length){
-            case 0: return new C;
-            case 1: return new C(a);
-            case 2: return new C(a, b);
-          } return new C(a, b, c);
-        } return C.apply(this, arguments);
-      };
-      F[PROTOTYPE] = C[PROTOTYPE];
-      return F;
-    // make static versions for prototype methods
-    })(out) : IS_PROTO && typeof out == 'function' ? _ctx(Function.call, out) : out;
-    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%
-    if(IS_PROTO){
-      (exports.virtual || (exports.virtual = {}))[key] = out;
-      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%
-      if(type & $export.R && expProto && !expProto[key])_hide(expProto, key, out);
-    }
-  }
-};
-// type bitmap
-$export.F = 1;   // forced
-$export.G = 2;   // global
-$export.S = 4;   // static
-$export.P = 8;   // proto
-$export.B = 16;  // bind
-$export.W = 32;  // wrap
-$export.U = 64;  // safe
-$export.R = 128; // real proto method for `library` 
-var _export = $export;
-
-// most Object methods by ES6 should accept primitives
-
-var _objectSap = function(KEY, exec){
-  var fn  = (_core.Object || {})[KEY] || Object[KEY]
-    , exp = {};
-  exp[KEY] = exec(fn);
-  _export(_export.S + _export.F * _fails(function(){ fn(1); }), 'Object', exp);
-};
-
-// 19.1.2.9 Object.getPrototypeOf(O)
-
-
-_objectSap('getPrototypeOf', function(){
-  return function getPrototypeOf(it){
-    return _objectGpo(_toObject(it));
-  };
-});
-
-var getPrototypeOf$1 = _core.Object.getPrototypeOf;
-
-var getPrototypeOf = createCommonjsModule(function (module) {
-module.exports = { "default": getPrototypeOf$1, __esModule: true };
-});
-
-var _Object$getPrototypeOf = unwrapExports(getPrototypeOf);
-
-var classCallCheck = createCommonjsModule(function (module, exports) {
-"use strict";
-
-exports.__esModule = true;
-
-exports.default = function (instance, Constructor) {
-  if (!(instance instanceof Constructor)) {
-    throw new TypeError("Cannot call a class as a function");
-  }
-};
-});
-
-var _classCallCheck = unwrapExports(classCallCheck);
-
-// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)
-_export(_export.S + _export.F * !_descriptors, 'Object', {defineProperty: _objectDp.f});
-
-var $Object = _core.Object;
-var defineProperty$2 = function defineProperty(it, key, desc){
-  return $Object.defineProperty(it, key, desc);
-};
-
-var defineProperty = createCommonjsModule(function (module) {
-module.exports = { "default": defineProperty$2, __esModule: true };
-});
-
-var createClass = createCommonjsModule(function (module, exports) {
-"use strict";
-
-exports.__esModule = true;
-
-
-
-var _defineProperty2 = _interopRequireDefault(defineProperty);
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
-exports.default = function () {
-  function defineProperties(target, props) {
-    for (var i = 0; i < props.length; i++) {
-      var descriptor = props[i];
-      descriptor.enumerable = descriptor.enumerable || false;
-      descriptor.configurable = true;
-      if ("value" in descriptor) descriptor.writable = true;
-      (0, _defineProperty2.default)(target, descriptor.key, descriptor);
-    }
-  }
-
-  return function (Constructor, protoProps, staticProps) {
-    if (protoProps) defineProperties(Constructor.prototype, protoProps);
-    if (staticProps) defineProperties(Constructor, staticProps);
-    return Constructor;
-  };
-}();
-});
-
-var _createClass = unwrapExports(createClass);
-
-// 7.1.4 ToInteger
-var ceil  = Math.ceil;
-var floor = Math.floor;
-var _toInteger = function(it){
-  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
-};
-
-// true  -> String#at
-// false -> String#codePointAt
-var _stringAt = function(TO_STRING){
-  return function(that, pos){
-    var s = String(_defined(that))
-      , i = _toInteger(pos)
-      , l = s.length
-      , a, b;
-    if(i < 0 || i >= l)return TO_STRING ? '' : undefined;
-    a = s.charCodeAt(i);
-    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff
-      ? TO_STRING ? s.charAt(i) : a
-      : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;
-  };
-};
-
-var _library = true;
-
-var _redefine = _hide;
-
-var _iterators = {};
-
-var toString = {}.toString;
-
-var _cof = function(it){
-  return toString.call(it).slice(8, -1);
-};
-
-// fallback for non-array-like ES3 and non-enumerable old V8 strings
-
-var _iobject = Object('z').propertyIsEnumerable(0) ? Object : function(it){
-  return _cof(it) == 'String' ? it.split('') : Object(it);
-};
-
-// to indexed object, toObject with fallback for non-array-like ES3 strings
-
-var _toIobject = function(it){
-  return _iobject(_defined(it));
-};
-
-// 7.1.15 ToLength
-var min       = Math.min;
-var _toLength = function(it){
-  return it > 0 ? min(_toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991
-};
-
-var max       = Math.max;
-var min$1       = Math.min;
-var _toIndex = function(index, length){
-  index = _toInteger(index);
-  return index < 0 ? max(index + length, 0) : min$1(index, length);
-};
-
-// false -> Array#indexOf
-// true  -> Array#includes
-
-var _arrayIncludes = function(IS_INCLUDES){
-  return function($this, el, fromIndex){
-    var O      = _toIobject($this)
-      , length = _toLength(O.length)
-      , index  = _toIndex(fromIndex, length)
-      , value;
-    // Array#includes uses SameValueZero equality algorithm
-    if(IS_INCLUDES && el != el)while(length > index){
-      value = O[index++];
-      if(value != value)return true;
-    // Array#toIndex ignores holes, Array#includes - not
-    } else for(;length > index; index++)if(IS_INCLUDES || index in O){
-      if(O[index] === el)return IS_INCLUDES || index || 0;
-    } return !IS_INCLUDES && -1;
-  };
-};
-
-var arrayIndexOf = _arrayIncludes(false);
-var IE_PROTO$2     = _sharedKey('IE_PROTO');
-
-var _objectKeysInternal = function(object, names){
-  var O      = _toIobject(object)
-    , i      = 0
-    , result = []
-    , key;
-  for(key in O)if(key != IE_PROTO$2)_has(O, key) && result.push(key);
-  // Don't enum bug & hidden keys
-  while(names.length > i)if(_has(O, key = names[i++])){
-    ~arrayIndexOf(result, key) || result.push(key);
-  }
-  return result;
-};
-
-// IE 8- don't enum bug keys
-var _enumBugKeys = (
-  'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'
-).split(',');
-
-// 19.1.2.14 / 15.2.3.14 Object.keys(O)
-
-
-var _objectKeys = Object.keys || function keys(O){
-  return _objectKeysInternal(O, _enumBugKeys);
-};
-
-var _objectDps = _descriptors ? Object.defineProperties : function defineProperties(O, Properties){
-  _anObject(O);
-  var keys   = _objectKeys(Properties)
-    , length = keys.length
-    , i = 0
-    , P;
-  while(length > i)_objectDp.f(O, P = keys[i++], Properties[P]);
-  return O;
-};
-
-var _html = _global.document && document.documentElement;
-
-// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
-var IE_PROTO$1    = _sharedKey('IE_PROTO');
-var Empty       = function(){ /* empty */ };
-var PROTOTYPE$1   = 'prototype';
-
-// Create object with fake `null` prototype: use iframe Object with cleared prototype
-var createDict = function(){
-  // Thrash, waste and sodomy: IE GC bug
-  var iframe = _domCreate('iframe')
-    , i      = _enumBugKeys.length
-    , lt     = '<'
-    , gt     = '>'
-    , iframeDocument;
-  iframe.style.display = 'none';
-  _html.appendChild(iframe);
-  iframe.src = 'javascript:'; // eslint-disable-line no-script-url
-  // createDict = iframe.contentWindow.Object;
-  // html.removeChild(iframe);
-  iframeDocument = iframe.contentWindow.document;
-  iframeDocument.open();
-  iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);
-  iframeDocument.close();
-  createDict = iframeDocument.F;
-  while(i--)delete createDict[PROTOTYPE$1][_enumBugKeys[i]];
-  return createDict();
-};
-
-var _objectCreate = Object.create || function create(O, Properties){
-  var result;
-  if(O !== null){
-    Empty[PROTOTYPE$1] = _anObject(O);
-    result = new Empty;
-    Empty[PROTOTYPE$1] = null;
-    // add "__proto__" for Object.getPrototypeOf polyfill
-    result[IE_PROTO$1] = O;
-  } else result = createDict();
-  return Properties === undefined ? result : _objectDps(result, Properties);
-};
-
-var _wks = createCommonjsModule(function (module) {
-var store      = _shared('wks')
-  , Symbol     = _global.Symbol
-  , USE_SYMBOL = typeof Symbol == 'function';
-
-var $exports = module.exports = function(name){
-  return store[name] || (store[name] =
-    USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : _uid)('Symbol.' + name));
-};
-
-$exports.store = store;
-});
-
-var def = _objectDp.f;
-var TAG = _wks('toStringTag');
-
-var _setToStringTag = function(it, tag, stat){
-  if(it && !_has(it = stat ? it : it.prototype, TAG))def(it, TAG, {configurable: true, value: tag});
-};
-
-var IteratorPrototype = {};
-
-// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()
-_hide(IteratorPrototype, _wks('iterator'), function(){ return this; });
-
-var _iterCreate = function(Constructor, NAME, next){
-  Constructor.prototype = _objectCreate(IteratorPrototype, {next: _propertyDesc(1, next)});
-  _setToStringTag(Constructor, NAME + ' Iterator');
-};
-
-var ITERATOR       = _wks('iterator');
-var BUGGY          = !([].keys && 'next' in [].keys());
-var FF_ITERATOR    = '@@iterator';
-var KEYS           = 'keys';
-var VALUES         = 'values';
-
-var returnThis = function(){ return this; };
-
-var _iterDefine = function(Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED){
-  _iterCreate(Constructor, NAME, next);
-  var getMethod = function(kind){
-    if(!BUGGY && kind in proto)return proto[kind];
-    switch(kind){
-      case KEYS: return function keys(){ return new Constructor(this, kind); };
-      case VALUES: return function values(){ return new Constructor(this, kind); };
-    } return function entries(){ return new Constructor(this, kind); };
-  };
-  var TAG        = NAME + ' Iterator'
-    , DEF_VALUES = DEFAULT == VALUES
-    , VALUES_BUG = false
-    , proto      = Base.prototype
-    , $native    = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT]
-    , $default   = $native || getMethod(DEFAULT)
-    , $entries   = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined
-    , $anyNative = NAME == 'Array' ? proto.entries || $native : $native
-    , methods, key, IteratorPrototype;
-  // Fix native
-  if($anyNative){
-    IteratorPrototype = _objectGpo($anyNative.call(new Base));
-    if(IteratorPrototype !== Object.prototype){
-      // Set @@toStringTag to native iterators
-      _setToStringTag(IteratorPrototype, TAG, true);
-      // fix for some old engines
-      if(!_library && !_has(IteratorPrototype, ITERATOR))_hide(IteratorPrototype, ITERATOR, returnThis);
-    }
-  }
-  // fix Array#{values, @@iterator}.name in V8 / FF
-  if(DEF_VALUES && $native && $native.name !== VALUES){
-    VALUES_BUG = true;
-    $default = function values(){ return $native.call(this); };
-  }
-  // Define iterator
-  if((!_library || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])){
-    _hide(proto, ITERATOR, $default);
-  }
-  // Plug for library
-  _iterators[NAME] = $default;
-  _iterators[TAG]  = returnThis;
-  if(DEFAULT){
-    methods = {
-      values:  DEF_VALUES ? $default : getMethod(VALUES),
-      keys:    IS_SET     ? $default : getMethod(KEYS),
-      entries: $entries
-    };
-    if(FORCED)for(key in methods){
-      if(!(key in proto))_redefine(proto, key, methods[key]);
-    } else _export(_export.P + _export.F * (BUGGY || VALUES_BUG), NAME, methods);
-  }
-  return methods;
-};
-
-var $at  = _stringAt(true);
-
-// 21.1.3.27 String.prototype[@@iterator]()
-_iterDefine(String, 'String', function(iterated){
-  this._t = String(iterated); // target
-  this._i = 0;                // next index
-// 21.1.5.2.1 %StringIteratorPrototype%.next()
-}, function(){
-  var O     = this._t
-    , index = this._i
-    , point;
-  if(index >= O.length)return {value: undefined, done: true};
-  point = $at(O, index);
-  this._i += point.length;
-  return {value: point, done: false};
-});
-
-var _addToUnscopables = function(){ /* empty */ };
-
-var _iterStep = function(done, value){
-  return {value: value, done: !!done};
-};
-
-// 22.1.3.4 Array.prototype.entries()
-// 22.1.3.13 Array.prototype.keys()
-// 22.1.3.29 Array.prototype.values()
-// 22.1.3.30 Array.prototype[@@iterator]()
-var es6_array_iterator = _iterDefine(Array, 'Array', function(iterated, kind){
-  this._t = _toIobject(iterated); // target
-  this._i = 0;                   // next index
-  this._k = kind;                // kind
-// 22.1.5.2.1 %ArrayIteratorPrototype%.next()
-}, function(){
-  var O     = this._t
-    , kind  = this._k
-    , index = this._i++;
-  if(!O || index >= O.length){
-    this._t = undefined;
-    return _iterStep(1);
-  }
-  if(kind == 'keys'  )return _iterStep(0, index);
-  if(kind == 'values')return _iterStep(0, O[index]);
-  return _iterStep(0, [index, O[index]]);
-}, 'values');
-
-// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)
-_iterators.Arguments = _iterators.Array;
-
-_addToUnscopables('keys');
-_addToUnscopables('values');
-_addToUnscopables('entries');
-
-var TO_STRING_TAG = _wks('toStringTag');
-
-for(var collections = ['NodeList', 'DOMTokenList', 'MediaList', 'StyleSheetList', 'CSSRuleList'], i = 0; i < 5; i++){
-  var NAME       = collections[i]
-    , Collection = _global[NAME]
-    , proto      = Collection && Collection.prototype;
-  if(proto && !proto[TO_STRING_TAG])_hide(proto, TO_STRING_TAG, NAME);
-  _iterators[NAME] = _iterators.Array;
-}
-
-var f$1 = _wks;
-
-var _wksExt = {
-	f: f$1
-};
-
-var iterator$2 = _wksExt.f('iterator');
-
-var iterator = createCommonjsModule(function (module) {
-module.exports = { "default": iterator$2, __esModule: true };
-});
-
-var _meta = createCommonjsModule(function (module) {
-var META     = _uid('meta')
-  , setDesc  = _objectDp.f
-  , id       = 0;
-var isExtensible = Object.isExtensible || function(){
-  return true;
-};
-var FREEZE = !_fails(function(){
-  return isExtensible(Object.preventExtensions({}));
-});
-var setMeta = function(it){
-  setDesc(it, META, {value: {
-    i: 'O' + ++id, // object ID
-    w: {}          // weak collections IDs
-  }});
-};
-var fastKey = function(it, create){
-  // return primitive with prefix
-  if(!_isObject(it))return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;
-  if(!_has(it, META)){
-    // can't set metadata to uncaught frozen object
-    if(!isExtensible(it))return 'F';
-    // not necessary to add metadata
-    if(!create)return 'E';
-    // add missing metadata
-    setMeta(it);
-  // return object ID
-  } return it[META].i;
-};
-var getWeak = function(it, create){
-  if(!_has(it, META)){
-    // can't set metadata to uncaught frozen object
-    if(!isExtensible(it))return true;
-    // not necessary to add metadata
-    if(!create)return false;
-    // add missing metadata
-    setMeta(it);
-  // return hash weak collections IDs
-  } return it[META].w;
-};
-// add metadata on freeze-family methods calling
-var onFreeze = function(it){
-  if(FREEZE && meta.NEED && isExtensible(it) && !_has(it, META))setMeta(it);
-  return it;
-};
-var meta = module.exports = {
-  KEY:      META,
-  NEED:     false,
-  fastKey:  fastKey,
-  getWeak:  getWeak,
-  onFreeze: onFreeze
-};
-});
-
-var defineProperty$4 = _objectDp.f;
-var _wksDefine = function(name){
-  var $Symbol = _core.Symbol || (_core.Symbol = _library ? {} : _global.Symbol || {});
-  if(name.charAt(0) != '_' && !(name in $Symbol))defineProperty$4($Symbol, name, {value: _wksExt.f(name)});
-};
-
-var _keyof = function(object, el){
-  var O      = _toIobject(object)
-    , keys   = _objectKeys(O)
-    , length = keys.length
-    , index  = 0
-    , key;
-  while(length > index)if(O[key = keys[index++]] === el)return key;
-};
-
-var f$2 = Object.getOwnPropertySymbols;
-
-var _objectGops = {
-	f: f$2
-};
-
-var f$3 = {}.propertyIsEnumerable;
-
-var _objectPie = {
-	f: f$3
-};
-
-// all enumerable object keys, includes symbols
-
-var _enumKeys = function(it){
-  var result     = _objectKeys(it)
-    , getSymbols = _objectGops.f;
-  if(getSymbols){
-    var symbols = getSymbols(it)
-      , isEnum  = _objectPie.f
-      , i       = 0
-      , key;
-    while(symbols.length > i)if(isEnum.call(it, key = symbols[i++]))result.push(key);
-  } return result;
-};
-
-// 7.2.2 IsArray(argument)
-
-var _isArray = Array.isArray || function isArray(arg){
-  return _cof(arg) == 'Array';
-};
-
-// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)
-var hiddenKeys = _enumBugKeys.concat('length', 'prototype');
-
-var f$5 = Object.getOwnPropertyNames || function getOwnPropertyNames(O){
-  return _objectKeysInternal(O, hiddenKeys);
-};
-
-var _objectGopn = {
-	f: f$5
-};
-
-// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window
-var gOPN$1      = _objectGopn.f;
-var toString$1  = {}.toString;
-
-var windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames
-  ? Object.getOwnPropertyNames(window) : [];
-
-var getWindowNames = function(it){
-  try {
-    return gOPN$1(it);
-  } catch(e){
-    return windowNames.slice();
-  }
-};
-
-var f$4 = function getOwnPropertyNames(it){
-  return windowNames && toString$1.call(it) == '[object Window]' ? getWindowNames(it) : gOPN$1(_toIobject(it));
-};
-
-var _objectGopnExt = {
-	f: f$4
-};
-
-var gOPD$1           = Object.getOwnPropertyDescriptor;
-
-var f$6 = _descriptors ? gOPD$1 : function getOwnPropertyDescriptor(O, P){
-  O = _toIobject(O);
-  P = _toPrimitive(P, true);
-  if(_ie8DomDefine)try {
-    return gOPD$1(O, P);
-  } catch(e){ /* empty */ }
-  if(_has(O, P))return _propertyDesc(!_objectPie.f.call(O, P), O[P]);
-};
-
-var _objectGopd = {
-	f: f$6
-};
-
-// ECMAScript 6 symbols shim
-var META           = _meta.KEY;
-var gOPD           = _objectGopd.f;
-var dP$1             = _objectDp.f;
-var gOPN           = _objectGopnExt.f;
-var $Symbol        = _global.Symbol;
-var $JSON          = _global.JSON;
-var _stringify     = $JSON && $JSON.stringify;
-var PROTOTYPE$2      = 'prototype';
-var HIDDEN         = _wks('_hidden');
-var TO_PRIMITIVE   = _wks('toPrimitive');
-var isEnum         = {}.propertyIsEnumerable;
-var SymbolRegistry = _shared('symbol-registry');
-var AllSymbols     = _shared('symbols');
-var OPSymbols      = _shared('op-symbols');
-var ObjectProto$1    = Object[PROTOTYPE$2];
-var USE_NATIVE     = typeof $Symbol == 'function';
-var QObject        = _global.QObject;
-// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173
-var setter = !QObject || !QObject[PROTOTYPE$2] || !QObject[PROTOTYPE$2].findChild;
-
-// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687
-var setSymbolDesc = _descriptors && _fails(function(){
-  return _objectCreate(dP$1({}, 'a', {
-    get: function(){ return dP$1(this, 'a', {value: 7}).a; }
-  })).a != 7;
-}) ? function(it, key, D){
-  var protoDesc = gOPD(ObjectProto$1, key);
-  if(protoDesc)delete ObjectProto$1[key];
-  dP$1(it, key, D);
-  if(protoDesc && it !== ObjectProto$1)dP$1(ObjectProto$1, key, protoDesc);
-} : dP$1;
-
-var wrap = function(tag){
-  var sym = AllSymbols[tag] = _objectCreate($Symbol[PROTOTYPE$2]);
-  sym._k = tag;
-  return sym;
-};
-
-var isSymbol = USE_NATIVE && typeof $Symbol.iterator == 'symbol' ? function(it){
-  return typeof it == 'symbol';
-} : function(it){
-  return it instanceof $Symbol;
-};
-
-var $defineProperty = function defineProperty(it, key, D){
-  if(it === ObjectProto$1)$defineProperty(OPSymbols, key, D);
-  _anObject(it);
-  key = _toPrimitive(key, true);
-  _anObject(D);
-  if(_has(AllSymbols, key)){
-    if(!D.enumerable){
-      if(!_has(it, HIDDEN))dP$1(it, HIDDEN, _propertyDesc(1, {}));
-      it[HIDDEN][key] = true;
-    } else {
-      if(_has(it, HIDDEN) && it[HIDDEN][key])it[HIDDEN][key] = false;
-      D = _objectCreate(D, {enumerable: _propertyDesc(0, false)});
-    } return setSymbolDesc(it, key, D);
-  } return dP$1(it, key, D);
-};
-var $defineProperties = function defineProperties(it, P){
-  _anObject(it);
-  var keys = _enumKeys(P = _toIobject(P))
-    , i    = 0
-    , l = keys.length
-    , key;
-  while(l > i)$defineProperty(it, key = keys[i++], P[key]);
-  return it;
-};
-var $create = function create(it, P){
-  return P === undefined ? _objectCreate(it) : $defineProperties(_objectCreate(it), P);
-};
-var $propertyIsEnumerable = function propertyIsEnumerable(key){
-  var E = isEnum.call(this, key = _toPrimitive(key, true));
-  if(this === ObjectProto$1 && _has(AllSymbols, key) && !_has(OPSymbols, key))return false;
-  return E || !_has(this, key) || !_has(AllSymbols, key) || _has(this, HIDDEN) && this[HIDDEN][key] ? E : true;
-};
-var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key){
-  it  = _toIobject(it);
-  key = _toPrimitive(key, true);
-  if(it === ObjectProto$1 && _has(AllSymbols, key) && !_has(OPSymbols, key))return;
-  var D = gOPD(it, key);
-  if(D && _has(AllSymbols, key) && !(_has(it, HIDDEN) && it[HIDDEN][key]))D.enumerable = true;
-  return D;
-};
-var $getOwnPropertyNames = function getOwnPropertyNames(it){
-  var names  = gOPN(_toIobject(it))
-    , result = []
-    , i      = 0
-    , key;
-  while(names.length > i){
-    if(!_has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META)result.push(key);
-  } return result;
-};
-var $getOwnPropertySymbols = function getOwnPropertySymbols(it){
-  var IS_OP  = it === ObjectProto$1
-    , names  = gOPN(IS_OP ? OPSymbols : _toIobject(it))
-    , result = []
-    , i      = 0
-    , key;
-  while(names.length > i){
-    if(_has(AllSymbols, key = names[i++]) && (IS_OP ? _has(ObjectProto$1, key) : true))result.push(AllSymbols[key]);
-  } return result;
-};
-
-// 19.4.1.1 Symbol([description])
-if(!USE_NATIVE){
-  $Symbol = function Symbol(){
-    if(this instanceof $Symbol)throw TypeError('Symbol is not a constructor!');
-    var tag = _uid(arguments.length > 0 ? arguments[0] : undefined);
-    var $set = function(value){
-      if(this === ObjectProto$1)$set.call(OPSymbols, value);
-      if(_has(this, HIDDEN) && _has(this[HIDDEN], tag))this[HIDDEN][tag] = false;
-      setSymbolDesc(this, tag, _propertyDesc(1, value));
-    };
-    if(_descriptors && setter)setSymbolDesc(ObjectProto$1, tag, {configurable: true, set: $set});
-    return wrap(tag);
-  };
-  _redefine($Symbol[PROTOTYPE$2], 'toString', function toString(){
-    return this._k;
-  });
-
-  _objectGopd.f = $getOwnPropertyDescriptor;
-  _objectDp.f   = $defineProperty;
-  _objectGopn.f = _objectGopnExt.f = $getOwnPropertyNames;
-  _objectPie.f  = $propertyIsEnumerable;
-  _objectGops.f = $getOwnPropertySymbols;
-
-  if(_descriptors && !_library){
-    _redefine(ObjectProto$1, 'propertyIsEnumerable', $propertyIsEnumerable, true);
-  }
-
-  _wksExt.f = function(name){
-    return wrap(_wks(name));
-  };
-}
-
-_export(_export.G + _export.W + _export.F * !USE_NATIVE, {Symbol: $Symbol});
-
-for(var symbols = (
-  // 19.4.2.2, 19.4.2.3, 19.4.2.4, 19.4.2.6, 19.4.2.8, 19.4.2.9, 19.4.2.10, 19.4.2.11, 19.4.2.12, 19.4.2.13, 19.4.2.14
-  'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'
-).split(','), i$1 = 0; symbols.length > i$1; )_wks(symbols[i$1++]);
-
-for(var symbols = _objectKeys(_wks.store), i$1 = 0; symbols.length > i$1; )_wksDefine(symbols[i$1++]);
-
-_export(_export.S + _export.F * !USE_NATIVE, 'Symbol', {
-  // 19.4.2.1 Symbol.for(key)
-  'for': function(key){
-    return _has(SymbolRegistry, key += '')
-      ? SymbolRegistry[key]
-      : SymbolRegistry[key] = $Symbol(key);
-  },
-  // 19.4.2.5 Symbol.keyFor(sym)
-  keyFor: function keyFor(key){
-    if(isSymbol(key))return _keyof(SymbolRegistry, key);
-    throw TypeError(key + ' is not a symbol!');
-  },
-  useSetter: function(){ setter = true; },
-  useSimple: function(){ setter = false; }
-});
-
-_export(_export.S + _export.F * !USE_NATIVE, 'Object', {
-  // 19.1.2.2 Object.create(O [, Properties])
-  create: $create,
-  // 19.1.2.4 Object.defineProperty(O, P, Attributes)
-  defineProperty: $defineProperty,
-  // 19.1.2.3 Object.defineProperties(O, Properties)
-  defineProperties: $defineProperties,
-  // 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)
-  getOwnPropertyDescriptor: $getOwnPropertyDescriptor,
-  // 19.1.2.7 Object.getOwnPropertyNames(O)
-  getOwnPropertyNames: $getOwnPropertyNames,
-  // 19.1.2.8 Object.getOwnPropertySymbols(O)
-  getOwnPropertySymbols: $getOwnPropertySymbols
-});
-
-// 24.3.2 JSON.stringify(value [, replacer [, space]])
-$JSON && _export(_export.S + _export.F * (!USE_NATIVE || _fails(function(){
-  var S = $Symbol();
-  // MS Edge converts symbol values to JSON as {}
-  // WebKit converts symbol values to JSON as null
-  // V8 throws on boxed symbols
-  return _stringify([S]) != '[null]' || _stringify({a: S}) != '{}' || _stringify(Object(S)) != '{}';
-})), 'JSON', {
-  stringify: function stringify(it){
-    if(it === undefined || isSymbol(it))return; // IE8 returns string on undefined
-    var args = [it]
-      , i    = 1
-      , replacer, $replacer;
-    while(arguments.length > i)args.push(arguments[i++]);
-    replacer = args[1];
-    if(typeof replacer == 'function')$replacer = replacer;
-    if($replacer || !_isArray(replacer))replacer = function(key, value){
-      if($replacer)value = $replacer.call(this, key, value);
-      if(!isSymbol(value))return value;
-    };
-    args[1] = replacer;
-    return _stringify.apply($JSON, args);
-  }
-});
-
-// 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)
-$Symbol[PROTOTYPE$2][TO_PRIMITIVE] || _hide($Symbol[PROTOTYPE$2], TO_PRIMITIVE, $Symbol[PROTOTYPE$2].valueOf);
-// 19.4.3.5 Symbol.prototype[@@toStringTag]
-_setToStringTag($Symbol, 'Symbol');
-// 20.2.1.9 Math[@@toStringTag]
-_setToStringTag(Math, 'Math', true);
-// 24.3.3 JSON[@@toStringTag]
-_setToStringTag(_global.JSON, 'JSON', true);
-
-_wksDefine('asyncIterator');
-
-_wksDefine('observable');
-
-var index = _core.Symbol;
-
-var symbol = createCommonjsModule(function (module) {
-module.exports = { "default": index, __esModule: true };
-});
-
-var _typeof_1 = createCommonjsModule(function (module, exports) {
-"use strict";
-
-exports.__esModule = true;
-
-
-
-var _iterator2 = _interopRequireDefault(iterator);
-
-
-
-var _symbol2 = _interopRequireDefault(symbol);
-
-var _typeof = typeof _symbol2.default === "function" && typeof _iterator2.default === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof _symbol2.default === "function" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? "symbol" : typeof obj; };
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
-exports.default = typeof _symbol2.default === "function" && _typeof(_iterator2.default) === "symbol" ? function (obj) {
-  return typeof obj === "undefined" ? "undefined" : _typeof(obj);
-} : function (obj) {
-  return obj && typeof _symbol2.default === "function" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? "symbol" : typeof obj === "undefined" ? "undefined" : _typeof(obj);
-};
-});
-
-var possibleConstructorReturn = createCommonjsModule(function (module, exports) {
-"use strict";
-
-exports.__esModule = true;
-
-
-
-var _typeof3 = _interopRequireDefault(_typeof_1);
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
-exports.default = function (self, call) {
-  if (!self) {
-    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
-  }
-
-  return call && ((typeof call === "undefined" ? "undefined" : (0, _typeof3.default)(call)) === "object" || typeof call === "function") ? call : self;
-};
-});
-
-var _possibleConstructorReturn = unwrapExports(possibleConstructorReturn);
-
-// Works with __proto__ only. Old v8 can't work with null proto objects.
-/* eslint-disable no-proto */
-
-var check = function(O, proto){
-  _anObject(O);
-  if(!_isObject(proto) && proto !== null)throw TypeError(proto + ": can't set as prototype!");
-};
-var _setProto = {
-  set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line
-    function(test, buggy, set){
-      try {
-        set = _ctx(Function.call, _objectGopd.f(Object.prototype, '__proto__').set, 2);
-        set(test, []);
-        buggy = !(test instanceof Array);
-      } catch(e){ buggy = true; }
-      return function setPrototypeOf(O, proto){
-        check(O, proto);
-        if(buggy)O.__proto__ = proto;
-        else set(O, proto);
-        return O;
-      };
-    }({}, false) : undefined),
-  check: check
-};
-
-// 19.1.3.19 Object.setPrototypeOf(O, proto)
-
-_export(_export.S, 'Object', {setPrototypeOf: _setProto.set});
-
-var setPrototypeOf$2 = _core.Object.setPrototypeOf;
-
-var setPrototypeOf = createCommonjsModule(function (module) {
-module.exports = { "default": setPrototypeOf$2, __esModule: true };
-});
-
-// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
-_export(_export.S, 'Object', {create: _objectCreate});
-
-var $Object$1 = _core.Object;
-var create$2 = function create(P, D){
-  return $Object$1.create(P, D);
-};
-
-var create = createCommonjsModule(function (module) {
-module.exports = { "default": create$2, __esModule: true };
-});
-
-var inherits = createCommonjsModule(function (module, exports) {
-"use strict";
-
-exports.__esModule = true;
-
-
-
-var _setPrototypeOf2 = _interopRequireDefault(setPrototypeOf);
-
-
-
-var _create2 = _interopRequireDefault(create);
-
-
-
-var _typeof3 = _interopRequireDefault(_typeof_1);
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
-exports.default = function (subClass, superClass) {
-  if (typeof superClass !== "function" && superClass !== null) {
-    throw new TypeError("Super expression must either be null or a function, not " + (typeof superClass === "undefined" ? "undefined" : (0, _typeof3.default)(superClass)));
-  }
-
-  subClass.prototype = (0, _create2.default)(superClass && superClass.prototype, {
-    constructor: {
-      value: subClass,
-      enumerable: false,
-      writable: true,
-      configurable: true
-    }
-  });
-  if (superClass) _setPrototypeOf2.default ? (0, _setPrototypeOf2.default)(subClass, superClass) : subClass.__proto__ = superClass;
-};
-});
-
-var _inherits = unwrapExports(inherits);
-
-/*
- * QRious
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * Contains utility methods that are useful throughout the library.
- *
- * @public
- */
-var Utilities = function () {
-  function Utilities() {
-    _classCallCheck(this, Utilities);
-  }
-
-  _createClass(Utilities, null, [{
-    key: "abs",
-
-
-    /**
-     * Returns the absolute value of a given number.
-     *
-     * This method is simply a convenient shorthand for <code>Math.abs</code> while ensuring that nulls are returned as
-     * <code>null</code> instead of zero.
-     *
-     * @param {number} value - the number whose absolute value is to be returned
-     * @return {number} The absolute value of <code>value</code> or <code>null</code> if <code>value</code> is
-     * <code>null</code>.
-     * @public
-     * @static
-     */
-    value: function abs(value) {
-      return value != null ? Math.abs(value) : null;
-    }
-
-    /**
-     * Returns whether the specified <code>object</code> has a property with the specified <code>name</code> as an own
-     * (not inherited) property.
-     *
-     * @param {Object} object - the object on which the property is to be checked
-     * @param {string} name - the name of the property to be checked
-     * @return {boolean} <code>true</code> if <code>object</code> has an own property with <code>name</code>.
-     * @public
-     * @static
-     */
-
-  }, {
-    key: "hasOwn",
-    value: function hasOwn(object, name) {
-      return Object.prototype.hasOwnProperty.call(object, name);
-    }
-
-    /**
-     * Throws an error indicating that the a given method on a specific class has not been implemented.
-     *
-     * @param {string} className - the name of the class on which the method has not been implemented
-     * @param {string} methodName - the name of the method which has not been implemented
-     * @return {void}
-     * @throws {Error} The error describing the class method which has not been implemented.
-     * @public
-     * @static
-     */
-
-  }, {
-    key: "throwUnimplemented",
-    value: function throwUnimplemented(className, methodName) {
-      throw new Error("\"" + methodName + "\" method must be implemented on the " + className + " class");
-    }
-
-    /**
-     * Transforms the specified <code>string</code> to upper case while remaining null-safe.
-     *
-     * @param {string} string - the string to be transformed to upper case
-     * @return {string} <code>string</code> transformed to upper case if <code>string</code> is not <code>null</code>.
-     * @public
-     * @static
-     */
-
-  }, {
-    key: "toUpperCase",
-    value: function toUpperCase(string) {
-      return string != null ? string.toUpperCase() : null;
-    }
-  }]);
-
-  return Utilities;
-}();
-
-/*
- * QRious
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * Defines a service contract that must be met by all implementations.
- *
- * @public
- */
-
-var Service = function () {
-  function Service() {
-    _classCallCheck(this, Service);
-  }
-
-  _createClass(Service, [{
-    key: 'getName',
-
-
-    /**
-     * Returns the name of this {@link Service}.
-     *
-     * @return {string} The service name.
-     * @public
-     */
-    value: function getName() {
-      Utilities.throwUnimplemented('Service', 'getName');
-    }
-  }]);
-
-  return Service;
-}();
-
-/*
- * QRious
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * A service for working with elements.
- *
- * @public
- * @extends Service
- */
-
-var ElementService = function (_Service) {
-  _inherits(ElementService, _Service);
-
-  function ElementService() {
-    _classCallCheck(this, ElementService);
-
-    return _possibleConstructorReturn(this, (ElementService.__proto__ || _Object$getPrototypeOf(ElementService)).apply(this, arguments));
-  }
-
-  _createClass(ElementService, [{
-    key: 'createCanvas',
-
-
-    /**
-     * Creates an instance of a canvas element.
-     *
-     * @return {*} The newly created canvas element.
-     * @public
-     */
-    value: function createCanvas() {
-      Utilities.throwUnimplemented('ElementService', 'createCanvas');
-    }
-
-    /**
-     * Creates an instance of a image element.
-     *
-     * @return {*} The newly created image element.
-     * @public
-     */
-
-  }, {
-    key: 'createImage',
-    value: function createImage() {
-      Utilities.throwUnimplemented('ElementService', 'createImage');
-    }
-
-    /**
-     * @override
-     */
-
-  }, {
-    key: 'getName',
-    value: function getName() {
-      return 'element';
-    }
-
-    /**
-     * Returns whether the specified <code>element</code> is a canvas.
-     *
-     * @param {*} element - the element to be checked
-     * @return {boolean} <code>true</code> if <code>element</code> is a canvas; otherwise <code>false</code>.
-     * @public
-     */
-
-  }, {
-    key: 'isCanvas',
-    value: function isCanvas(element) {
-      Utilities.throwUnimplemented('ElementService', 'isCanvas');
-    }
-
-    /**
-     * Returns whether the specified <code>element</code> is an image.
-     *
-     * @param {*} element - the element to be checked
-     * @return {boolean} <code>true</code> if <code>element</code> is an image; otherwise <code>false</code>.
-     * @public
-     */
-
-  }, {
-    key: 'isImage',
-    value: function isImage(element) {
-      Utilities.throwUnimplemented('ElementService', 'isImage');
-    }
-  }]);
-
-  return ElementService;
-}(Service);
-
-/*
- * QRious
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * An implementation of {@link ElementService} intended for use within a Node.js environment but is only supported when
- * the <code>canvas</code> module has also been depended on.
- *
- * @public
- * @extends ElementService
- */
-
-var NodeElementService = function (_ElementService) {
-  _inherits(NodeElementService, _ElementService);
-
-  function NodeElementService() {
-    _classCallCheck(this, NodeElementService);
-
-    return _possibleConstructorReturn(this, (NodeElementService.__proto__ || _Object$getPrototypeOf(NodeElementService)).apply(this, arguments));
-  }
-
-  _createClass(NodeElementService, [{
-    key: 'createCanvas',
-
-
-    /**
-     * @override
-     */
-    value: function createCanvas() {
-      return new Canvas__default();
-    }
-
-    /**
-     * @override
-     */
-
-  }, {
-    key: 'createImage',
-    value: function createImage() {
-      return new Canvas.Image();
-    }
-
-    /**
-     * @override
-     */
-
-  }, {
-    key: 'isCanvas',
-    value: function isCanvas(element) {
-      return element instanceof Canvas__default;
-    }
-
-    /**
-     * @override
-     */
-
-  }, {
-    key: 'isImage',
-    value: function isImage(element) {
-      return element instanceof Canvas.Image;
-    }
-  }], [{
-    key: 'isSupported',
-
-
-    /**
-     * @override
-     */
-    value: function isSupported() {
-      return Canvas__default != null;
-    }
-  }]);
-
-  return NodeElementService;
-}(ElementService);
-
-/*
- * QRious
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * Responsible for rendering a QR code {@link Frame} on a specific type of element.
- *
- * A renderer may be dependant on the rendering of another element, so the ordering of their execution is important.
- *
- * The rendering of a element can be deferred by disabling the renderer initially, however, any attempt get the element
- * from the renderer will result in it being immediately enabled and the element being rendered.
- *
- * @public
- */
-
-var Renderer = function () {
-
-  /**
-   * Creates a new instance of {@link Renderer} for the <code>qrious</code> instance and <code>element</code> provided.
-   *
-   * @param {QRious} qrious - the {@link QRious} instance to be used
-   * @param {*} element - the element onto which the QR code is to be rendered
-   * @param {boolean} [enabled] - <code>true</code> this {@link Renderer} is enabled; otherwise <code>false</code>.
-   * @public
-   */
-  function Renderer(qrious, element, enabled) {
-    _classCallCheck(this, Renderer);
-
-    /**
-     * The {@link QRious} instance.
-     *
-     * @protected
-     * @type {QRious}
-     */
-    this.qrious = qrious;
-
-    /**
-     * The element onto which this {@link Renderer} is rendering the QR code.
-     *
-     * @protected
-     * @type {*}
-     */
-    this.element = element;
-    this.element.qrious = qrious;
-
-    /**
-     * Whether this {@link Renderer} is enabled.
-     *
-     * @protected
-     * @type {boolean}
-     */
-    this.enabled = Boolean(enabled);
-  }
-
-  /**
-   * Draws the specified QR code <code>frame</code> on the underlying element.
-   *
-   * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.
-   *
-   * @param {Frame} frame - the {@link Frame} to be drawn
-   * @return {void}
-   * @protected
-   */
-
-
-  _createClass(Renderer, [{
-    key: 'draw',
-    value: function draw(frame) {
-      Utilities.throwUnimplemented('Renderer', 'draw');
-    }
-
-    /**
-     * Returns the element onto which this {@link Renderer} is rendering the QR code.
-     *
-     * If this method is called while this {@link Renderer} is disabled, it will be immediately enabled and rendered
-     * before the element is returned.
-     *
-     * @return {*} The element.
-     * @public
-     */
-
-  }, {
-    key: 'getElement',
-    value: function getElement() {
-      if (!this.enabled) {
-        this.enabled = true;
-        this.render();
-      }
-
-      return this.element;
-    }
-
-    /**
-     * Calculates the size (in pixel units) to represent an individual module within the QR code based on the
-     * <code>frame</code> provided.
-     *
-     * Any configured padding will be excluded from the returned size.
-     *
-     * The returned value will be at least one, even in cases where the size of the QR code does not fit its contents.
-     * This is done so that the inevitable clipping is handled more gracefully since this way at least something is
-     * displayed instead of just a blank space filled by the background color.
-     *
-     * @param {Frame} frame - the {@link Frame} from which the module size is to be derived
-     * @return {number} The pixel size for each module in the QR code which will be no less than one.
-     * @protected
-     */
-
-  }, {
-    key: 'getModuleSize',
-    value: function getModuleSize(frame) {
-      var qrious = this.qrious;
-      var padding = qrious.padding || 0;
-      var pixels = Math.floor((qrious.size - padding * 2) / frame.width);
-
-      return Math.max(1, pixels);
-    }
-
-    /**
-     * Calculates the offset/padding (in pixel units) to be inserted before the QR code based on the <code>frame</code>
-     * provided.
-     *
-     * The returned value will be zero if there is no available offset or if the size of the QR code does not fit its
-     * contents. It will never be a negative value. This is done so that the inevitable clipping appears more naturally
-     * and it is not clipped from all directions.
-     *
-     * @param {Frame} frame - the {@link Frame} from which the offset is to be derived
-     * @return {number} The pixel offset for the QR code which will be no less than zero.
-     * @protected
-     */
-
-  }, {
-    key: 'getOffset',
-    value: function getOffset(frame) {
-      var qrious = this.qrious;
-      var padding = qrious.padding;
-
-      if (padding != null) {
-        return padding;
-      }
-
-      var moduleSize = this.getModuleSize(frame);
-      var offset = Math.floor((qrious.size - moduleSize * frame.width) / 2);
-
-      return Math.max(0, offset);
-    }
-
-    /**
-     * Renders a QR code on the underlying element based on the <code>frame</code> provided.
-     *
-     * @param {Frame} frame - the {@link Frame} to be rendered
-     * @return {void}
-     * @public
-     */
-
-  }, {
-    key: 'render',
-    value: function render(frame) {
-      if (this.enabled) {
-        this.resize();
-        this.reset();
-        this.draw(frame);
-      }
-    }
-
-    /**
-     * Resets the underlying element, effectively clearing any previously rendered QR code.
-     *
-     * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.
-     *
-     * @return {void}
-     * @protected
-     */
-
-  }, {
-    key: 'reset',
-    value: function reset() {
-      Utilities.throwUnimplemented('Renderer', 'reset');
-    }
-
-    /**
-     * Ensures that the size of the underlying element matches that defined on the associated {@link QRious} instance.
-     *
-     * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.
-     *
-     * @return {void}
-     * @protected
-     */
-
-  }, {
-    key: 'resize',
-    value: function resize() {
-      Utilities.throwUnimplemented('Renderer', 'resize');
-    }
-  }]);
-
-  return Renderer;
-}();
-
-/*
- * QRious
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * An implementation of {@link Renderer} for working with <code>canvas</code> elements.
- *
- * @public
- * @extends Renderer
- */
-
-var CanvasRenderer = function (_Renderer) {
-  _inherits(CanvasRenderer, _Renderer);
-
-  function CanvasRenderer() {
-    _classCallCheck(this, CanvasRenderer);
-
-    return _possibleConstructorReturn(this, (CanvasRenderer.__proto__ || _Object$getPrototypeOf(CanvasRenderer)).apply(this, arguments));
-  }
-
-  _createClass(CanvasRenderer, [{
-    key: 'draw',
-
-
-    /**
-     * @override
-     */
-    value: function draw(frame) {
-      var qrious = this.qrious;
-      var moduleSize = this.getModuleSize(frame);
-      var offset = this.getOffset(frame);
-      var context = this.element.getContext('2d');
-
-      context.fillStyle = qrious.foreground;
-      context.globalAlpha = qrious.foregroundAlpha;
-
-      for (var i = 0; i < frame.width; i++) {
-        for (var j = 0; j < frame.width; j++) {
-          if (frame.buffer[j * frame.width + i]) {
-            context.fillRect(moduleSize * i + offset, moduleSize * j + offset, moduleSize, moduleSize);
-          }
-        }
-      }
-    }
-
-    /**
-     * @override
-     */
-
-  }, {
-    key: 'reset',
-    value: function reset() {
-      var qrious = this.qrious;
-      var context = this.element.getContext('2d');
-      var size = qrious.size;
-
-      context.lineWidth = 1;
-      context.clearRect(0, 0, size, size);
-      context.fillStyle = qrious.background;
-      context.globalAlpha = qrious.backgroundAlpha;
-      context.fillRect(0, 0, size, size);
-    }
-
-    /**
-     * @override
-     */
-
-  }, {
-    key: 'resize',
-    value: function resize() {
-      this.element.width = this.element.height = this.qrious.size;
-    }
-  }]);
-
-  return CanvasRenderer;
-}(Renderer);
-
-/*
- * QRious
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/* eslint no-multi-spaces: "off" */
-
-/**
- * Contains alignment pattern information.
- *
- * @public
- */
-var Alignment = function () {
-  function Alignment() {
-    _classCallCheck(this, Alignment);
-  }
-
-  _createClass(Alignment, null, [{
-    key: "BLOCK",
-
-
-    /**
-     * Returns the alignment pattern block.
-     *
-     * @return {number[]} The alignment pattern block.
-     * @public
-     * @static
-     */
-    get: function get() {
-      return [0, 11, 15, 19, 23, 27, 31, 16, 18, 20, 22, 24, 26, 28, 20, 22, 24, 24, 26, 28, 28, 22, 24, 24, 26, 26, 28, 28, 24, 24, 26, 26, 26, 28, 28, 24, 26, 26, 26, 28, 28];
-    }
-  }]);
-
-  return Alignment;
-}();
-
-/*
- * QRious
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/* eslint no-multi-spaces: "off" */
-
-/**
- * Contains error correction information.
- *
- * @public
- */
-var ErrorCorrection = function () {
-  function ErrorCorrection() {
-    _classCallCheck(this, ErrorCorrection);
-  }
-
-  _createClass(ErrorCorrection, null, [{
-    key: "BLOCKS",
-
-
-    /**
-     * Returns the error correction blocks.
-     *
-     * There are four elements per version. The first two indicate the number of blocks, then the data width, and finally
-     * the ECC width.
-     *
-     * @return {number[]} The ECC blocks.
-     * @public
-     * @static
-     */
-    get: function get() {
-      return [1, 0, 19, 7, 1, 0, 16, 10, 1, 0, 13, 13, 1, 0, 9, 17, 1, 0, 34, 10, 1, 0, 28, 16, 1, 0, 22, 22, 1, 0, 16, 28, 1, 0, 55, 15, 1, 0, 44, 26, 2, 0, 17, 18, 2, 0, 13, 22, 1, 0, 80, 20, 2, 0, 32, 18, 2, 0, 24, 26, 4, 0, 9, 16, 1, 0, 108, 26, 2, 0, 43, 24, 2, 2, 15, 18, 2, 2, 11, 22, 2, 0, 68, 18, 4, 0, 27, 16, 4, 0, 19, 24, 4, 0, 15, 28, 2, 0, 78, 20, 4, 0, 31, 18, 2, 4, 14, 18, 4, 1, 13, 26, 2, 0, 97, 24, 2, 2, 38, 22, 4, 2, 18, 22, 4, 2, 14, 26, 2, 0, 116, 30, 3, 2, 36, 22, 4, 4, 16, 20, 4, 4, 12, 24, 2, 2, 68, 18, 4, 1, 43, 26, 6, 2, 19, 24, 6, 2, 15, 28, 4, 0, 81, 20, 1, 4, 50, 30, 4, 4, 22, 28, 3, 8, 12, 24, 2, 2, 92, 24, 6, 2, 36, 22, 4, 6, 20, 26, 7, 4, 14, 28, 4, 0, 107, 26, 8, 1, 37, 22, 8, 4, 20, 24, 12, 4, 11, 22, 3, 1, 115, 30, 4, 5, 40, 24, 11, 5, 16, 20, 11, 5, 12, 24, 5, 1, 87, 22, 5, 5, 41, 24, 5, 7, 24, 30, 11, 7, 12, 24, 5, 1, 98, 24, 7, 3, 45, 28, 15, 2, 19, 24, 3, 13, 15, 30, 1, 5, 107, 28, 10, 1, 46, 28, 1, 15, 22, 28, 2, 17, 14, 28, 5, 1, 120, 30, 9, 4, 43, 26, 17, 1, 22, 28, 2, 19, 14, 28, 3, 4, 113, 28, 3, 11, 44, 26, 17, 4, 21, 26, 9, 16, 13, 26, 3, 5, 107, 28, 3, 13, 41, 26, 15, 5, 24, 30, 15, 10, 15, 28, 4, 4, 116, 28, 17, 0, 42, 26, 17, 6, 22, 28, 19, 6, 16, 30, 2, 7, 111, 28, 17, 0, 46, 28, 7, 16, 24, 30, 34, 0, 13, 24, 4, 5, 121, 30, 4, 14, 47, 28, 11, 14, 24, 30, 16, 14, 15, 30, 6, 4, 117, 30, 6, 14, 45, 28, 11, 16, 24, 30, 30, 2, 16, 30, 8, 4, 106, 26, 8, 13, 47, 28, 7, 22, 24, 30, 22, 13, 15, 30, 10, 2, 114, 28, 19, 4, 46, 28, 28, 6, 22, 28, 33, 4, 16, 30, 8, 4, 122, 30, 22, 3, 45, 28, 8, 26, 23, 30, 12, 28, 15, 30, 3, 10, 117, 30, 3, 23, 45, 28, 4, 31, 24, 30, 11, 31, 15, 30, 7, 7, 116, 30, 21, 7, 45, 28, 1, 37, 23, 30, 19, 26, 15, 30, 5, 10, 115, 30, 19, 10, 47, 28, 15, 25, 24, 30, 23, 25, 15, 30, 13, 3, 115, 30, 2, 29, 46, 28, 42, 1, 24, 30, 23, 28, 15, 30, 17, 0, 115, 30, 10, 23, 46, 28, 10, 35, 24, 30, 19, 35, 15, 30, 17, 1, 115, 30, 14, 21, 46, 28, 29, 19, 24, 30, 11, 46, 15, 30, 13, 6, 115, 30, 14, 23, 46, 28, 44, 7, 24, 30, 59, 1, 16, 30, 12, 7, 121, 30, 12, 26, 47, 28, 39, 14, 24, 30, 22, 41, 15, 30, 6, 14, 121, 30, 6, 34, 47, 28, 46, 10, 24, 30, 2, 64, 15, 30, 17, 4, 122, 30, 29, 14, 46, 28, 49, 10, 24, 30, 24, 46, 15, 30, 4, 18, 122, 30, 13, 32, 46, 28, 48, 14, 24, 30, 42, 32, 15, 30, 20, 4, 117, 30, 40, 7, 47, 28, 43, 22, 24, 30, 10, 67, 15, 30, 19, 6, 118, 30, 18, 31, 47, 28, 34, 34, 24, 30, 20, 61, 15, 30];
-    }
-
-    /**
-     * Returns the final format bits with mask (level << 3 | mask).
-     *
-     * @return {number[]} The final format bits.
-     * @public
-     * @static
-     */
-
-  }, {
-    key: "FINAL_FORMAT",
-    get: function get() {
-      return [
-      // L
-      0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976,
-      // M
-      0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0,
-      // Q
-      0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed,
-      // H
-      0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b];
-    }
-
-    /**
-     * Returns a map of human-readable ECC levels.
-     *
-     * @return {Object<string, number>} A ECC level mapping.
-     * @public
-     * @static
-     */
-
-  }, {
-    key: "LEVELS",
-    get: function get() {
-      return {
-        L: 1,
-        M: 2,
-        Q: 3,
-        H: 4
-      };
-    }
-  }]);
-
-  return ErrorCorrection;
-}();
-
-/*
- * QRious
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * Contains Galois field information.
- *
- * @public
- */
-var Galois = function () {
-  function Galois() {
-    _classCallCheck(this, Galois);
-  }
-
-  _createClass(Galois, null, [{
-    key: "EXPONENT",
-
-
-    /**
-     * Returns the Galois field exponent table.
-     *
-     * @return {number[]} The Galois field exponent table.
-     * @public
-     * @static
-     */
-    get: function get() {
-      return [0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1d, 0x3a, 0x74, 0xe8, 0xcd, 0x87, 0x13, 0x26, 0x4c, 0x98, 0x2d, 0x5a, 0xb4, 0x75, 0xea, 0xc9, 0x8f, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x9d, 0x27, 0x4e, 0x9c, 0x25, 0x4a, 0x94, 0x35, 0x6a, 0xd4, 0xb5, 0x77, 0xee, 0xc1, 0x9f, 0x23, 0x46, 0x8c, 0x05, 0x0a, 0x14, 0x28, 0x50, 0xa0, 0x5d, 0xba, 0x69, 0xd2, 0xb9, 0x6f, 0xde, 0xa1, 0x5f, 0xbe, 0x61, 0xc2, 0x99, 0x2f, 0x5e, 0xbc, 0x65, 0xca, 0x89, 0x0f, 0x1e, 0x3c, 0x78, 0xf0, 0xfd, 0xe7, 0xd3, 0xbb, 0x6b, 0xd6, 0xb1, 0x7f, 0xfe, 0xe1, 0xdf, 0xa3, 0x5b, 0xb6, 0x71, 0xe2, 0xd9, 0xaf, 0x43, 0x86, 0x11, 0x22, 0x44, 0x88, 0x0d, 0x1a, 0x34, 0x68, 0xd0, 0xbd, 0x67, 0xce, 0x81, 0x1f, 0x3e, 0x7c, 0xf8, 0xed, 0xc7, 0x93, 0x3b, 0x76, 0xec, 0xc5, 0x97, 0x33, 0x66, 0xcc, 0x85, 0x17, 0x2e, 0x5c, 0xb8, 0x6d, 0xda, 0xa9, 0x4f, 0x9e, 0x21, 0x42, 0x84, 0x15, 0x2a, 0x54, 0xa8, 0x4d, 0x9a, 0x29, 0x52, 0xa4, 0x55, 0xaa, 0x49, 0x92, 0x39, 0x72, 0xe4, 0xd5, 0xb7, 0x73, 0xe6, 0xd1, 0xbf, 0x63, 0xc6, 0x91, 0x3f, 0x7e, 0xfc, 0xe5, 0xd7, 0xb3, 0x7b, 0xf6, 0xf1, 0xff, 0xe3, 0xdb, 0xab, 0x4b, 0x96, 0x31, 0x62, 0xc4, 0x95, 0x37, 0x6e, 0xdc, 0xa5, 0x57, 0xae, 0x41, 0x82, 0x19, 0x32, 0x64, 0xc8, 0x8d, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0, 0xdd, 0xa7, 0x53, 0xa6, 0x51, 0xa2, 0x59, 0xb2, 0x79, 0xf2, 0xf9, 0xef, 0xc3, 0x9b, 0x2b, 0x56, 0xac, 0x45, 0x8a, 0x09, 0x12, 0x24, 0x48, 0x90, 0x3d, 0x7a, 0xf4, 0xf5, 0xf7, 0xf3, 0xfb, 0xeb, 0xcb, 0x8b, 0x0b, 0x16, 0x2c, 0x58, 0xb0, 0x7d, 0xfa, 0xe9, 0xcf, 0x83, 0x1b, 0x36, 0x6c, 0xd8, 0xad, 0x47, 0x8e, 0x00];
-    }
-
-    /**
-     * Returns the Galois field log table.
-     *
-     * @return {number[]} The Galois field log table.
-     * @public
-     * @static
-     */
-
-  }, {
-    key: "LOG",
-    get: function get() {
-      return [0xff, 0x00, 0x01, 0x19, 0x02, 0x32, 0x1a, 0xc6, 0x03, 0xdf, 0x33, 0xee, 0x1b, 0x68, 0xc7, 0x4b, 0x04, 0x64, 0xe0, 0x0e, 0x34, 0x8d, 0xef, 0x81, 0x1c, 0xc1, 0x69, 0xf8, 0xc8, 0x08, 0x4c, 0x71, 0x05, 0x8a, 0x65, 0x2f, 0xe1, 0x24, 0x0f, 0x21, 0x35, 0x93, 0x8e, 0xda, 0xf0, 0x12, 0x82, 0x45, 0x1d, 0xb5, 0xc2, 0x7d, 0x6a, 0x27, 0xf9, 0xb9, 0xc9, 0x9a, 0x09, 0x78, 0x4d, 0xe4, 0x72, 0xa6, 0x06, 0xbf, 0x8b, 0x62, 0x66, 0xdd, 0x30, 0xfd, 0xe2, 0x98, 0x25, 0xb3, 0x10, 0x91, 0x22, 0x88, 0x36, 0xd0, 0x94, 0xce, 0x8f, 0x96, 0xdb, 0xbd, 0xf1, 0xd2, 0x13, 0x5c, 0x83, 0x38, 0x46, 0x40, 0x1e, 0x42, 0xb6, 0xa3, 0xc3, 0x48, 0x7e, 0x6e, 0x6b, 0x3a, 0x28, 0x54, 0xfa, 0x85, 0xba, 0x3d, 0xca, 0x5e, 0x9b, 0x9f, 0x0a, 0x15, 0x79, 0x2b, 0x4e, 0xd4, 0xe5, 0xac, 0x73, 0xf3, 0xa7, 0x57, 0x07, 0x70, 0xc0, 0xf7, 0x8c, 0x80, 0x63, 0x0d, 0x67, 0x4a, 0xde, 0xed, 0x31, 0xc5, 0xfe, 0x18, 0xe3, 0xa5, 0x99, 0x77, 0x26, 0xb8, 0xb4, 0x7c, 0x11, 0x44, 0x92, 0xd9, 0x23, 0x20, 0x89, 0x2e, 0x37, 0x3f, 0xd1, 0x5b, 0x95, 0xbc, 0xcf, 0xcd, 0x90, 0x87, 0x97, 0xb2, 0xdc, 0xfc, 0xbe, 0x61, 0xf2, 0x56, 0xd3, 0xab, 0x14, 0x2a, 0x5d, 0x9e, 0x84, 0x3c, 0x39, 0x53, 0x47, 0x6d, 0x41, 0xa2, 0x1f, 0x2d, 0x43, 0xd8, 0xb7, 0x7b, 0xa4, 0x76, 0xc4, 0x17, 0x49, 0xec, 0x7f, 0x0c, 0x6f, 0xf6, 0x6c, 0xa1, 0x3b, 0x52, 0x29, 0x9d, 0x55, 0xaa, 0xfb, 0x60, 0x86, 0xb1, 0xbb, 0xcc, 0x3e, 0x5a, 0xcb, 0x59, 0x5f, 0xb0, 0x9c, 0xa9, 0xa0, 0x51, 0x0b, 0xf5, 0x16, 0xeb, 0x7a, 0x75, 0x2c, 0xd7, 0x4f, 0xae, 0xd5, 0xe9, 0xe6, 0xe7, 0xad, 0xe8, 0x74, 0xd6, 0xf4, 0xea, 0xa8, 0x50, 0x58, 0xaf];
-    }
-  }]);
-
-  return Galois;
-}();
-
-/*
- * QRious
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * Contains version pattern information.
- *
- * @public
- */
-var Version = function () {
-  function Version() {
-    _classCallCheck(this, Version);
-  }
-
-  _createClass(Version, null, [{
-    key: "BLOCK",
-
-
-    /**
-     * Returns the version pattern block.
-     *
-     * @return {number[]} The version pattern block.
-     * @public
-     * @static
-     */
-    get: function get() {
-      return [0xc94, 0x5bc, 0xa99, 0x4d3, 0xbf6, 0x762, 0x847, 0x60d, 0x928, 0xb78, 0x45d, 0xa17, 0x532, 0x9a6, 0x683, 0x8c9, 0x7ec, 0xec4, 0x1e1, 0xfab, 0x08e, 0xc1a, 0x33f, 0xd75, 0x250, 0x9d5, 0x6f0, 0x8ba, 0x79f, 0xb0b, 0x42e, 0xa64, 0x541, 0xc69];
-    }
-  }]);
-
-  return Version;
-}();
-
-/*
- * QRious
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * Generates information for a QR code frame based on a specific value to be encoded.
- *
- * @public
- */
-
-var Frame = function () {
-  _createClass(Frame, null, [{
-    key: '_createArray',
-    value: function _createArray(length) {
-      var array = [];
-
-      for (var i = 0; i < length; i++) {
-        array[i] = 0;
-      }
-
-      return array;
-    }
-  }, {
-    key: '_getMaskBit',
-    value: function _getMaskBit(x, y) {
-      var bit = void 0;
-
-      if (x > y) {
-        bit = x;
-        x = y;
-        y = bit;
-      }
-
-      bit = y;
-      bit += y * y;
-      bit >>= 1;
-      bit += x;
-
-      return bit;
-    }
-  }, {
-    key: '_modN',
-    value: function _modN(x) {
-      while (x >= 255) {
-        x -= 255;
-        x = (x >> 8) + (x & 255);
-      }
-
-      return x;
-    }
-
-    // *Badness* coefficients.
-
-  }, {
-    key: 'N1',
-    get: function get() {
-      return 3;
-    }
-  }, {
-    key: 'N2',
-    get: function get() {
-      return 3;
-    }
-  }, {
-    key: 'N3',
-    get: function get() {
-      return 40;
-    }
-  }, {
-    key: 'N4',
-    get: function get() {
-      return 10;
-    }
-
-    /**
-     * Creates an instance of {@link Frame} based on the <code>options</code> provided.
-     *
-     * @param {Frame~Options} options - the options to be used
-     * @public
-     */
-
-  }]);
-
-  function Frame(options) {
-    _classCallCheck(this, Frame);
-
-    this._badness = [];
-    this._level = ErrorCorrection.LEVELS[options.level];
-    this._polynomial = [];
-    this._value = options.value;
-    this._valueLength = this._value.length;
-    this._version = 0;
-    this._stringBuffer = [];
-
-    var dataBlock = void 0;
-    var eccBlock = void 0;
-    var neccBlock1 = void 0;
-    var neccBlock2 = void 0;
-
-    while (this._version < 40) {
-      this._version++;
-
-      var index = (this._level - 1) * 4 + (this._version - 1) * 16;
-
-      neccBlock1 = ErrorCorrection.BLOCKS[index++];
-      neccBlock2 = ErrorCorrection.BLOCKS[index++];
-      dataBlock = ErrorCorrection.BLOCKS[index++];
-      eccBlock = ErrorCorrection.BLOCKS[index];
-
-      index = dataBlock * (neccBlock1 + neccBlock2) + neccBlock2 - 3 + (this._version <= 9);
-
-      if (this._valueLength <= index) {
-        break;
-      }
-    }
-
-    this._dataBlock = dataBlock;
-    this._eccBlock = eccBlock;
-    this._neccBlock1 = neccBlock1;
-    this._neccBlock2 = neccBlock2;
-
-    /**
-     * The data width is based on version.
-     *
-     * @public
-     * @type {number}
-     */
-    // FIXME: Ensure that it fits instead of being truncated.
-    this.width = 17 + 4 * this._version;
-
-    /**
-     * The image buffer.
-     *
-     * @public
-     * @type {number[]}
-     */
-    this.buffer = Frame._createArray(this.width * this.width);
-
-    this._ecc = Frame._createArray(this._dataBlock + (this._dataBlock + this._eccBlock) * (this._neccBlock1 + this._neccBlock2) + this._neccBlock2);
-    this._mask = Frame._createArray((this.width * (this.width + 1) + 1) / 2);
-
-    this._insertFinders();
-    this._insertAlignments();
-
-    // Insert single foreground cell.
-    this.buffer[8 + this.width * (this.width - 8)] = 1;
-
-    this._insertTimingGap();
-    this._reverseMask();
-    this._insertTimingRowAndColumn();
-    this._insertVersion();
-    this._syncMask();
-    this._convertBitStream(this._value.length);
-    this._calculatePolynomial();
-    this._appendEccToData();
-    this._interleaveBlocks();
-    this._pack();
-    this._finish();
-  }
-
-  _createClass(Frame, [{
-    key: '_addAlignment',
-    value: function _addAlignment(x, y) {
-      this.buffer[x + this.width * y] = 1;
-
-      for (var i = -2; i < 2; i++) {
-        this.buffer[x + i + this.width * (y - 2)] = 1;
-        this.buffer[x - 2 + this.width * (y + i + 1)] = 1;
-        this.buffer[x + 2 + this.width * (y + i)] = 1;
-        this.buffer[x + i + 1 + this.width * (y + 2)] = 1;
-      }
-
-      for (var _i = 0; _i < 2; _i++) {
-        this._setMask(x - 1, y + _i);
-        this._setMask(x + 1, y - _i);
-        this._setMask(x - _i, y - 1);
-        this._setMask(x + _i, y + 1);
-      }
-    }
-  }, {
-    key: '_appendData',
-    value: function _appendData(data, dataLength, ecc, eccLength) {
-      for (var i = 0; i < eccLength; i++) {
-        this._stringBuffer[ecc + i] = 0;
-      }
-
-      for (var _i2 = 0; _i2 < dataLength; _i2++) {
-        var bit = Galois.LOG[this._stringBuffer[data + _i2] ^ this._stringBuffer[ecc]];
-
-        if (bit !== 255) {
-          for (var j = 1; j < eccLength; j++) {
-            this._stringBuffer[ecc + j - 1] = this._stringBuffer[ecc + j] ^ Galois.EXPONENT[Frame._modN(bit + this._polynomial[eccLength - j])];
-          }
-        } else {
-          for (var _j = ecc; _j < ecc + eccLength; _j++) {
-            this._stringBuffer[_j] = this._stringBuffer[_j + 1];
-          }
-        }
-
-        this._stringBuffer[ecc + eccLength - 1] = bit === 255 ? 0 : Galois.EXPONENT[Frame._modN(bit + this._polynomial[0])];
-      }
-    }
-  }, {
-    key: '_appendEccToData',
-    value: function _appendEccToData() {
-      var data = 0;
-      var ecc = this._calculateMaxLength();
-
-      for (var i = 0; i < this._neccBlock1; i++) {
-        this._appendData(data, this._dataBlock, ecc, this._eccBlock);
-
-        data += this._dataBlock;
-        ecc += this._eccBlock;
-      }
-
-      for (var _i3 = 0; _i3 < this._neccBlock2; _i3++) {
-        this._appendData(data, this._dataBlock + 1, ecc, this._eccBlock);
-
-        data += this._dataBlock + 1;
-        ecc += this._eccBlock;
-      }
-    }
-  }, {
-    key: '_applyMask',
-    value: function _applyMask(mask) {
-      var width = this.width;
-
-      switch (mask) {
-        case 0:
-          for (var y = 0; y < width; y++) {
-            for (var x = 0; x < width; x++) {
-              if (!(x + y & 1) && !this._isMasked(x, y)) {
-                this.buffer[x + y * width] ^= 1;
-              }
-            }
-          }
-
-          break;
-        case 1:
-          for (var _y = 0; _y < width; _y++) {
-            for (var _x = 0; _x < width; _x++) {
-              if (!(_y & 1) && !this._isMasked(_x, _y)) {
-                this.buffer[_x + _y * width] ^= 1;
-              }
-            }
-          }
-
-          break;
-        case 2:
-          for (var _y2 = 0; _y2 < width; _y2++) {
-            for (var r3x = 0, _x2 = 0; _x2 < width; _x2++, r3x++) {
-              if (r3x === 3) {
-                r3x = 0;
-              }
-
-              if (!r3x && !this._isMasked(_x2, _y2)) {
-                this.buffer[_x2 + _y2 * width] ^= 1;
-              }
-            }
-          }
-
-          break;
-        case 3:
-          for (var r3y = 0, _y3 = 0; _y3 < width; _y3++, r3y++) {
-            if (r3y === 3) {
-              r3y = 0;
-            }
-
-            for (var _r3x = r3y, _x3 = 0; _x3 < width; _x3++, _r3x++) {
-              if (_r3x === 3) {
-                _r3x = 0;
-              }
-
-              if (!_r3x && !this._isMasked(_x3, _y3)) {
-                this.buffer[_x3 + _y3 * width] ^= 1;
-              }
-            }
-          }
-
-          break;
-        case 4:
-          for (var _y4 = 0; _y4 < width; _y4++) {
-            for (var _r3x2 = 0, _r3y = _y4 >> 1 & 1, _x4 = 0; _x4 < width; _x4++, _r3x2++) {
-              if (_r3x2 === 3) {
-                _r3x2 = 0;
-                _r3y = !_r3y;
-              }
-
-              if (!_r3y && !this._isMasked(_x4, _y4)) {
-                this.buffer[_x4 + _y4 * width] ^= 1;
-              }
-            }
-          }
-
-          break;
-        case 5:
-          for (var _r3y2 = 0, _y5 = 0; _y5 < width; _y5++, _r3y2++) {
-            if (_r3y2 === 3) {
-              _r3y2 = 0;
-            }
-
-            for (var _r3x3 = 0, _x5 = 0; _x5 < width; _x5++, _r3x3++) {
-              if (_r3x3 === 3) {
-                _r3x3 = 0;
-              }
-
-              if (!((_x5 & _y5 & 1) + !(!_r3x3 | !_r3y2)) && !this._isMasked(_x5, _y5)) {
-                this.buffer[_x5 + _y5 * width] ^= 1;
-              }
-            }
-          }
-
-          break;
-        case 6:
-          for (var _r3y3 = 0, _y6 = 0; _y6 < width; _y6++, _r3y3++) {
-            if (_r3y3 === 3) {
-              _r3y3 = 0;
-            }
-
-            for (var _r3x4 = 0, _x6 = 0; _x6 < width; _x6++, _r3x4++) {
-              if (_r3x4 === 3) {
-                _r3x4 = 0;
-              }
-
-              if (!((_x6 & _y6 & 1) + (_r3x4 && _r3x4 === _r3y3) & 1) && !this._isMasked(_x6, _y6)) {
-                this.buffer[_x6 + _y6 * width] ^= 1;
-              }
-            }
-          }
-
-          break;
-        case 7:
-          for (var _r3y4 = 0, _y7 = 0; _y7 < width; _y7++, _r3y4++) {
-            if (_r3y4 === 3) {
-              _r3y4 = 0;
-            }
-
-            for (var _r3x5 = 0, _x7 = 0; _x7 < width; _x7++, _r3x5++) {
-              if (_r3x5 === 3) {
-                _r3x5 = 0;
-              }
-
-              if (!((_r3x5 && _r3x5 === _r3y4) + (_x7 + _y7 & 1) & 1) && !this._isMasked(_x7, _y7)) {
-                this.buffer[_x7 + _y7 * width] ^= 1;
-              }
-            }
-          }
-
-          break;
-      }
-    }
-  }, {
-    key: '_calculateMaxLength',
-    value: function _calculateMaxLength() {
-      return this._dataBlock * (this._neccBlock1 + this._neccBlock2) + this._neccBlock2;
-    }
-  }, {
-    key: '_calculatePolynomial',
-    value: function _calculatePolynomial() {
-      this._polynomial[0] = 1;
-
-      for (var i = 0; i < this._eccBlock; i++) {
-        this._polynomial[i + 1] = 1;
-
-        for (var j = i; j > 0; j--) {
-          this._polynomial[j] = this._polynomial[j] ? this._polynomial[j - 1] ^ Galois.EXPONENT[Frame._modN(Galois.LOG[this._polynomial[j]] + i)] : this._polynomial[j - 1];
-        }
-
-        this._polynomial[0] = Galois.EXPONENT[Frame._modN(Galois.LOG[this._polynomial[0]] + i)];
-      }
-
-      // Use logs for generator polynomial to save calculation step.
-      for (var _i4 = 0; _i4 <= this._eccBlock; _i4++) {
-        this._polynomial[_i4] = Galois.LOG[this._polynomial[_i4]];
-      }
-    }
-  }, {
-    key: '_checkBadness',
-    value: function _checkBadness() {
-      var bad = 0;
-      var width = this.width;
-
-      // Blocks of same colour.
-      for (var y = 0; y < width - 1; y++) {
-        for (var x = 0; x < width - 1; x++) {
-          // All foreground colour.
-          if (this.buffer[x + width * y] && this.buffer[x + 1 + width * y] && this.buffer[x + width * (y + 1)] && this.buffer[x + 1 + width * (y + 1)] ||
-          // All background colour.
-          !(this.buffer[x + width * y] || this.buffer[x + 1 + width * y] || this.buffer[x + width * (y + 1)] || this.buffer[x + 1 + width * (y + 1)])) {
-            bad += Frame.N2;
-          }
-        }
-      }
-
-      var bw = 0;
-
-      // X runs.
-      for (var _y8 = 0; _y8 < width; _y8++) {
-        var h = 0;
-
-        this._badness[0] = 0;
-
-        for (var b = 0, _x8 = 0; _x8 < width; _x8++) {
-          var b1 = this.buffer[_x8 + width * _y8];
-
-          if (b === b1) {
-            this._badness[h]++;
-          } else {
-            this._badness[++h] = 1;
-          }
-
-          b = b1;
-          bw += b ? 1 : -1;
-        }
-
-        bad += this._getBadness(h);
-      }
-
-      if (bw < 0) {
-        bw = -bw;
-      }
-
-      var count = 0;
-      var big = bw;
-      big += big << 2;
-      big <<= 1;
-
-      while (big > width * width) {
-        big -= width * width;
-        count++;
-      }
-
-      bad += count * Frame.N4;
-
-      // Y runs.
-      for (var _x9 = 0; _x9 < width; _x9++) {
-        var _h = 0;
-
-        this._badness[0] = 0;
-
-        for (var _b = 0, _y9 = 0; _y9 < width; _y9++) {
-          var _b2 = this.buffer[_x9 + width * _y9];
-
-          if (_b === _b2) {
-            this._badness[_h]++;
-          } else {
-            this._badness[++_h] = 1;
-          }
-
-          _b = _b2;
-        }
-
-        bad += this._getBadness(_h);
-      }
-
-      return bad;
-    }
-  }, {
-    key: '_convertBitStream',
-    value: function _convertBitStream(length) {
-      // Convert string to bit stream. 8-bit data to QR-coded 8-bit data (numeric, alphanumeric, or kanji not supported).
-      for (var i = 0; i < length; i++) {
-        this._ecc[i] = this._value.charCodeAt(i);
-      }
-
-      this._stringBuffer = this._ecc.slice(0);
-
-      var maxLength = this._calculateMaxLength();
-
-      if (length >= maxLength - 2) {
-        length = maxLength - 2;
-
-        if (this._version > 9) {
-          length--;
-        }
-      }
-
-      // Shift and re-pack to insert length prefix.
-      var index = length;
-
-      if (this._version > 9) {
-        this._stringBuffer[index + 2] = 0;
-        this._stringBuffer[index + 3] = 0;
-
-        while (index--) {
-          var bit = this._stringBuffer[index];
-
-          this._stringBuffer[index + 3] |= 255 & bit << 4;
-          this._stringBuffer[index + 2] = bit >> 4;
-        }
-
-        this._stringBuffer[2] |= 255 & length << 4;
-        this._stringBuffer[1] = length >> 4;
-        this._stringBuffer[0] = 0x40 | length >> 12;
-      } else {
-        this._stringBuffer[index + 1] = 0;
-        this._stringBuffer[index + 2] = 0;
-
-        while (index--) {
-          var _bit = this._stringBuffer[index];
-
-          this._stringBuffer[index + 2] |= 255 & _bit << 4;
-          this._stringBuffer[index + 1] = _bit >> 4;
-        }
-
-        this._stringBuffer[1] |= 255 & length << 4;
-        this._stringBuffer[0] = 0x40 | length >> 4;
-      }
-
-      // Fill to end with pad pattern.
-      index = length + 3 - (this._version < 10);
-
-      while (index < maxLength) {
-        this._stringBuffer[index++] = 0xec;
-        this._stringBuffer[index++] = 0x11;
-      }
-    }
-  }, {
-    key: '_getBadness',
-    value: function _getBadness(length) {
-      var badRuns = 0;
-
-      for (var i = 0; i <= length; i++) {
-        if (this._badness[i] >= 5) {
-          badRuns += Frame.N1 + this._badness[i] - 5;
-        }
-      }
-
-      // FBFFFBF as in finder.
-      for (var _i5 = 3; _i5 < length - 1; _i5 += 2) {
-        if (this._badness[_i5 - 2] === this._badness[_i5 + 2] && this._badness[_i5 + 2] === this._badness[_i5 - 1] && this._badness[_i5 - 1] === this._badness[_i5 + 1] && this._badness[_i5 - 1] * 3 === this._badness[_i5] && (
-        // Background around the foreground pattern? Not part of the specs.
-        this._badness[_i5 - 3] === 0 || _i5 + 3 > length || this._badness[_i5 - 3] * 3 >= this._badness[_i5] * 4 || this._badness[_i5 + 3] * 3 >= this._badness[_i5] * 4)) {
-          badRuns += Frame.N3;
-        }
-      }
-
-      return badRuns;
-    }
-  }, {
-    key: '_finish',
-    value: function _finish() {
-      // Save pre-mask copy of frame.
-      this._stringBuffer = this.buffer.slice(0);
-
-      var bit = 0;
-      var i = void 0;
-      var mask = 30000;
-
-      /*
-       * Using for instead of while since in original Arduino code if an early mask was "good enough" it wouldn't try for
-       * a better one since they get more complex and take longer.
-       */
-      for (i = 0; i < 8; i++) {
-        // Returns foreground-background imbalance.
-        this._applyMask(i);
-
-        var currentMask = this._checkBadness();
-
-        // Is current mask better than previous best?
-        if (currentMask < mask) {
-          mask = currentMask;
-          bit = i;
-        }
-
-        // Don't increment "i" to a void redoing mask.
-        if (bit === 7) {
-          break;
-        }
-
-        // Reset for next pass.
-        this.buffer = this._stringBuffer.slice(0);
-      }
-
-      // Redo best mask as none were "good enough" (i.e. last wasn't bit).
-      if (bit !== i) {
-        this._applyMask(bit);
-      }
-
-      // Add in final mask/ECC level bytes.
-      mask = ErrorCorrection.FINAL_FORMAT[bit + (this._level - 1 << 3)];
-
-      // Low byte.
-      for (i = 0; i < 8; i++, mask >>= 1) {
-        if (mask & 1) {
-          this.buffer[this.width - 1 - i + this.width * 8] = 1;
-
-          if (i < 6) {
-            this.buffer[8 + this.width * i] = 1;
-          } else {
-            this.buffer[8 + this.width * (i + 1)] = 1;
-          }
-        }
-      }
-
-      // High byte.
-      for (i = 0; i < 7; i++, mask >>= 1) {
-        if (mask & 1) {
-          this.buffer[8 + this.width * (this.width - 7 + i)] = 1;
-
-          if (i) {
-            this.buffer[6 - i + this.width * 8] = 1;
-          } else {
-            this.buffer[7 + this.width * 8] = 1;
-          }
-        }
-      }
-    }
-  }, {
-    key: '_interleaveBlocks',
-    value: function _interleaveBlocks() {
-      var maxLength = this._calculateMaxLength();
-      var i = void 0;
-      var k = 0;
-
-      for (i = 0; i < this._dataBlock; i++) {
-        for (var j = 0; j < this._neccBlock1; j++) {
-          this._ecc[k++] = this._stringBuffer[i + j * this._dataBlock];
-        }
-
-        for (var _j2 = 0; _j2 < this._neccBlock2; _j2++) {
-          this._ecc[k++] = this._stringBuffer[this._neccBlock1 * this._dataBlock + i + _j2 * (this._dataBlock + 1)];
-        }
-      }
-
-      for (var _j3 = 0; _j3 < this._neccBlock2; _j3++) {
-        this._ecc[k++] = this._stringBuffer[this._neccBlock1 * this._dataBlock + i + _j3 * (this._dataBlock + 1)];
-      }
-
-      for (i = 0; i < this._eccBlock; i++) {
-        for (var _j4 = 0; _j4 < this._neccBlock1 + this._neccBlock2; _j4++) {
-          this._ecc[k++] = this._stringBuffer[maxLength + i + _j4 * this._eccBlock];
-        }
-      }
-
-      this._stringBuffer = this._ecc;
-    }
-  }, {
-    key: '_insertAlignments',
-    value: function _insertAlignments() {
-      var width = this.width;
-
-      if (this._version > 1) {
-        var i = Alignment.BLOCK[this._version];
-        var y = width - 7;
-
-        for (;;) {
-          var x = width - 7;
-
-          while (x > i - 3) {
-            this._addAlignment(x, y);
-
-            if (x < i) {
-              break;
-            }
-
-            x -= i;
-          }
-
-          if (y <= i + 9) {
-            break;
-          }
-
-          y -= i;
-
-          this._addAlignment(6, y);
-          this._addAlignment(y, 6);
-        }
-      }
-    }
-  }, {
-    key: '_insertFinders',
-    value: function _insertFinders() {
-      var width = this.width;
-
-      for (var i = 0; i < 3; i++) {
-        var j = 0;
-        var y = 0;
-
-        if (i === 1) {
-          j = width - 7;
-        }
-        if (i === 2) {
-          y = width - 7;
-        }
-
-        this.buffer[y + 3 + width * (j + 3)] = 1;
-
-        for (var x = 0; x < 6; x++) {
-          this.buffer[y + x + width * j] = 1;
-          this.buffer[y + width * (j + x + 1)] = 1;
-          this.buffer[y + 6 + width * (j + x)] = 1;
-          this.buffer[y + x + 1 + width * (j + 6)] = 1;
-        }
-
-        for (var _x10 = 1; _x10 < 5; _x10++) {
-          this._setMask(y + _x10, j + 1);
-          this._setMask(y + 1, j + _x10 + 1);
-          this._setMask(y + 5, j + _x10);
-          this._setMask(y + _x10 + 1, j + 5);
-        }
-
-        for (var _x11 = 2; _x11 < 4; _x11++) {
-          this.buffer[y + _x11 + width * (j + 2)] = 1;
-          this.buffer[y + 2 + width * (j + _x11 + 1)] = 1;
-          this.buffer[y + 4 + width * (j + _x11)] = 1;
-          this.buffer[y + _x11 + 1 + width * (j + 4)] = 1;
-        }
-      }
-    }
-  }, {
-    key: '_insertTimingGap',
-    value: function _insertTimingGap() {
-      var width = this.width;
-
-      for (var y = 0; y < 7; y++) {
-        this._setMask(7, y);
-        this._setMask(width - 8, y);
-        this._setMask(7, y + width - 7);
-      }
-
-      for (var x = 0; x < 8; x++) {
-        this._setMask(x, 7);
-        this._setMask(x + width - 8, 7);
-        this._setMask(x, width - 8);
-      }
-    }
-  }, {
-    key: '_insertTimingRowAndColumn',
-    value: function _insertTimingRowAndColumn() {
-      var width = this.width;
-
-      for (var x = 0; x < width - 14; x++) {
-        if (x & 1) {
-          this._setMask(8 + x, 6);
-          this._setMask(6, 8 + x);
-        } else {
-          this.buffer[8 + x + width * 6] = 1;
-          this.buffer[6 + width * (8 + x)] = 1;
-        }
-      }
-    }
-  }, {
-    key: '_insertVersion',
-    value: function _insertVersion() {
-      var width = this.width;
-
-      if (this._version > 6) {
-        var i = Version.BLOCK[this._version - 7];
-        var j = 17;
-
-        for (var x = 0; x < 6; x++) {
-          for (var y = 0; y < 3; y++, j--) {
-            if (1 & (j > 11 ? this._version >> j - 12 : i >> j)) {
-              this.buffer[5 - x + width * (2 - y + width - 11)] = 1;
-              this.buffer[2 - y + width - 11 + width * (5 - x)] = 1;
-            } else {
-              this._setMask(5 - x, 2 - y + width - 11);
-              this._setMask(2 - y + width - 11, 5 - x);
-            }
-          }
-        }
-      }
-    }
-  }, {
-    key: '_isMasked',
-    value: function _isMasked(x, y) {
-      var bit = Frame._getMaskBit(x, y);
-
-      return this._mask[bit] === 1;
-    }
-  }, {
-    key: '_pack',
-    value: function _pack() {
-      var x = this.width - 1;
-      var y = this.width - 1;
-      var k = 1;
-      var v = 1;
-
-      // Interleaved data and ECC codes.
-      var length = (this._dataBlock + this._eccBlock) * (this._neccBlock1 + this._neccBlock2) + this._neccBlock2;
-
-      for (var i = 0; i < length; i++) {
-        var bit = this._stringBuffer[i];
-
-        for (var j = 0; j < 8; j++, bit <<= 1) {
-          if (0x80 & bit) {
-            this.buffer[x + this.width * y] = 1;
-          }
-
-          // Find next fill position.
-          do {
-            if (v) {
-              x--;
-            } else {
-              x++;
-
-              if (k) {
-                if (y !== 0) {
-                  y--;
-                } else {
-                  x -= 2;
-                  k = !k;
-
-                  if (x === 6) {
-                    x--;
-                    y = 9;
-                  }
-                }
-              } else if (y !== this.width - 1) {
-                y++;
-              } else {
-                x -= 2;
-                k = !k;
-
-                if (x === 6) {
-                  x--;
-                  y -= 8;
-                }
-              }
-            }
-
-            v = !v;
-          } while (this._isMasked(x, y));
-        }
-      }
-    }
-  }, {
-    key: '_reverseMask',
-    value: function _reverseMask() {
-      var width = this.width;
-
-      for (var x = 0; x < 9; x++) {
-        this._setMask(x, 8);
-      }
-
-      for (var _x12 = 0; _x12 < 8; _x12++) {
-        this._setMask(_x12 + width - 8, 8);
-        this._setMask(8, _x12);
-      }
-
-      for (var y = 0; y < 7; y++) {
-        this._setMask(8, y + width - 7);
-      }
-    }
-  }, {
-    key: '_setMask',
-    value: function _setMask(x, y) {
-      var bit = Frame._getMaskBit(x, y);
-
-      this._mask[bit] = 1;
-    }
-  }, {
-    key: '_syncMask',
-    value: function _syncMask() {
-      var width = this.width;
-
-      for (var y = 0; y < width; y++) {
-        for (var x = 0; x <= y; x++) {
-          if (this.buffer[x + width * y]) {
-            this._setMask(x, y);
-          }
-        }
-      }
-    }
-  }]);
-
-  return Frame;
-}();
-
-
-
-/**
- * The options used by {@link Frame}.
- *
- * @typedef {Object} Frame~Options
- * @property {string} level - The ECC level to be used.
- * @property {string} value - The value to be encoded.
- */
-
-/*
- * QRious
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * An implementation of {@link Renderer} for working with <code>img</code> elements.
- *
- * This depends on {@link CanvasRenderer} being executed first as this implementation simply applies the data URL from
- * the rendered <code>canvas</code> element as the <code>src</code> for the <code>img</code> element being rendered.
- *
- * @public
- * @extends Renderer
- */
-
-var ImageRenderer = function (_Renderer) {
-  _inherits(ImageRenderer, _Renderer);
-
-  function ImageRenderer() {
-    _classCallCheck(this, ImageRenderer);
-
-    return _possibleConstructorReturn(this, (ImageRenderer.__proto__ || _Object$getPrototypeOf(ImageRenderer)).apply(this, arguments));
-  }
-
-  _createClass(ImageRenderer, [{
-    key: 'draw',
-
-
-    /**
-     * @override
-     */
-    value: function draw() {
-      this.element.src = this.qrious.toDataURL();
-    }
-
-    /**
-     * @override
-     */
-
-  }, {
-    key: 'reset',
-    value: function reset() {
-      this.element.src = '';
-    }
-
-    /**
-     * @override
-     */
-
-  }, {
-    key: 'resize',
-    value: function resize() {
-      this.element.width = this.element.height = this.qrious.size;
-    }
-  }]);
-
-  return ImageRenderer;
-}(Renderer);
-
-/*
- * QRious
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * Defines an available option while also configuring how values are applied to the target object.
- *
- * While a value associated with an option can be changed on the target object, the option definition itself is
- * immutable.
- *
- * @public
- */
-var Option = function () {
-
-  /**
-   * Creates a new instance of {@link Option} based on the <code>name</code> provided.
-   *
-   * Optionally, a <code>defaultValue</code> can be specified as well a <code>valueTransformer</code> and
-   * <code>fieldNameResolver</code> for greater control over how the option value is applied.
-   *
-   * If no <code>valueTransformer</code> is specified, then any specified option will be applied directly.
-   *
-   * If no <code>fieldNameResolver</code> is specified, then the field name will be resolved to <code>name</code>
-   * prefixed with a single underscore when the option is applied.
-   *
-   * @param {string} name - the name to be used
-   * @param {*} [defaultValue] - the default value to be used
-   * @param {Option~ValueTransformer} [valueTransformer] - the value transformer to be used
-   * @param {Option~FieldNameResolver} [fieldNameResolver] - the field name resolver to be used
-   * @public
-   */
-  function Option(name, defaultValue, valueTransformer, fieldNameResolver) {
-    _classCallCheck(this, Option);
-
-    this._name = name;
-    this._defaultValue = defaultValue;
-    this._valueTransformer = valueTransformer;
-    this._fieldName = typeof fieldNameResolver === 'function' ? fieldNameResolver(this) : '_' + name;
-  }
-
-  /**
-   * Transforms the specified <code>value</code> so that it can be applied for this {@link Option}.
-   *
-   * If a value transformer has been specified for this {@link Option}, it will be called upon to transform
-   * <code>value</code>. Otherwise, <code>value</code> will be returned directly.
-   *
-   * @param {*} value - the value to be transformed
-   * @return {*} The transformed value or <code>value</code> if no value transformer is specified.
-   * @public
-   */
-
-
-  _createClass(Option, [{
-    key: 'transform',
-    value: function transform(value) {
-      var transformer = this._valueTransformer;
-      if (typeof transformer === 'function') {
-        return transformer(value, this);
-      }
-
-      return value;
-    }
-
-    /**
-     * Returns the field name for this {@link Option}.
-     *
-     * @return {string} The field name.
-     * @public
-     */
-
-  }, {
-    key: 'fieldName',
-    get: function get() {
-      return this._fieldName;
-    }
-
-    /**
-     * Returns the name for this {@link Option}.
-     *
-     * @return {string} The name.
-     * @public
-     */
-
-  }, {
-    key: 'name',
-    get: function get() {
-      return this._name;
-    }
-
-    /**
-     * Returns the default value for this {@link Option}.
-     *
-     * @return {*} The default value.
-     * @public
-     */
-
-  }, {
-    key: 'defaultValue',
-    get: function get() {
-      return this._defaultValue;
-    }
-  }]);
-
-  return Option;
-}();
-
-
-
-/**
- * Returns the field name to which the specified <code>option</code> is associated on the target object.
- *
- * The resolved name will be used to identify the field that values for <code>option</code> are to be read from and
- * written to.
- *
- * This function will only called once for <code>option</code>, upon initialization.
- *
- * @callback Option~FieldNameResolver
- * @param {Option} option - the {@link Option} whose field name is to be resolved
- * @return {string} The resolved field name for <code>option</code>.
- */
-
-/**
- * Returns a transformed value for the specified <code>value</code> to be applied for the <code>option</code> provided.
- *
- * @callback Option~ValueTransformer
- * @param {*} value - the value to be transformed
- * @param {Option} option - the {@link Option} for which <code>value</code> is being transformed
- * @return {*} The transform value.
- */
-
-var isEnum$1    = _objectPie.f;
-var _objectToArray = function(isEntries){
-  return function(it){
-    var O      = _toIobject(it)
-      , keys   = _objectKeys(O)
-      , length = keys.length
-      , i      = 0
-      , result = []
-      , key;
-    while(length > i)if(isEnum$1.call(O, key = keys[i++])){
-      result.push(isEntries ? [key, O[key]] : O[key]);
-    } return result;
-  };
-};
-
-// https://github.com/tc39/proposal-object-values-entries
-var $values = _objectToArray(false);
-
-_export(_export.S, 'Object', {
-  values: function values(it){
-    return $values(it);
-  }
-});
-
-var values$1 = _core.Object.values;
-
-var values = createCommonjsModule(function (module) {
-module.exports = { "default": values$1, __esModule: true };
-});
-
-var _Object$values = unwrapExports(values);
-
-/*
- * QRious
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * Manages multiple {@link Option} instances that are intended to be used by multiple implementations.
- *
- * Although the option definitions are shared between targets, the values are maintained on the targets themselves.
- *
- * While a value associated with each option can be changed on the target objects, the manager and the option
- * definitions themselves are immutable.
- *
- * @public
- */
-
-var OptionManager = function () {
-  _createClass(OptionManager, null, [{
-    key: '_get',
-    value: function _get(option, target) {
-      return target[option.fieldName];
-    }
-  }, {
-    key: '_set',
-    value: function _set(option, value, target) {
-      var fieldName = option.fieldName;
-      var oldValue = target[fieldName];
-      var newValue = option.transform(value != null ? value : option.defaultValue);
-
-      target[fieldName] = newValue;
-
-      return newValue !== oldValue;
-    }
-
-    /**
-     * Creates a new instance of {@link OptionManager} for the specified available <code>options</code>.
-     *
-     * @param {Option[]} options - the options to be used
-     * @public
-     */
-
-  }]);
-
-  function OptionManager(options) {
-    var _this = this;
-
-    _classCallCheck(this, OptionManager);
-
-    this._options = {};
-
-    options.forEach(function (option) {
-      _this._options[option.name] = option;
-    });
-  }
-
-  /**
-   * Sets the default values for all of the available options on the <code>target</code> object provided.
-   *
-   * @param {Object} target - the object on which the default values are to be set for each available option
-   * @return {void}
-   * @public
-   */
-
-
-  _createClass(OptionManager, [{
-    key: 'applyDefaults',
-    value: function applyDefaults(target) {
-      var options = this._options;
-
-      for (var name in options) {
-        if (Utilities.hasOwn(options, name)) {
-          var option = options[name];
-
-          OptionManager._set(option, option.defaultValue, target);
-        }
-      }
-    }
-
-    /**
-     * Returns whether an option with the specified <code>name</code> is available.
-     *
-     * @param {string} name - the name of the {@link Option} whose existence is to be checked
-     * @return {boolean} <code>true</code> if an {@link Option} exists with <code>name</code>; otherwise
-     * <code>false</code>.
-     * @public
-     */
-
-  }, {
-    key: 'exists',
-    value: function exists(name) {
-      return this._options[name] != null;
-    }
-
-    /**
-     * Returns the value of the option with the specified <code>name</code> on the <code>target</code> object provided.
-     *
-     * @param {string} name - the name of the {@link Option} whose value on <code>target</code> is to be returned
-     * @param {Object} target - the object from which the value of the named {@link Option} is to be returned
-     * @return {*} The value of the {@link Option} with <code>name</code> on <code>target</code>.
-     * @public
-     */
-
-  }, {
-    key: 'get',
-    value: function get(name, target) {
-      return OptionManager._get(this._options[name], target);
-    }
-
-    /**
-     * Returns a copy of all of the available options on the <code>target</code> object provided.
-     *
-     * @param {Object} target - the object from which the option name/value pairs are to be returned
-     * @return {Object.<string, *>} A hash containing the name/value pairs of all options on <code>target</code>.
-     * @public
-     */
-
-  }, {
-    key: 'getAll',
-    value: function getAll(target) {
-      var options = this._options;
-      var result = {};
-
-      for (var name in options) {
-        if (Utilities.hasOwn(options, name)) {
-          result[name] = OptionManager._get(options[name], target);
-        }
-      }
-
-      return result;
-    }
-
-    /**
-     * Sets the value of the option with the specified <code>name</code> on the <code>target</code> object provided to
-     * <code>value</code>.
-     *
-     * This method will throw an error if <code>name</code> does not match an available option.
-     *
-     * If <code>value</code> is <code>null</code> and the {@link Option} has a default value configured, then that default
-     * value will be used instead. If the {@link Option} also has a value transformer configured, it will be used to
-     * transform whichever value was determined to be used.
-     *
-     * This method returns whether the value of the underlying field on <code>target</code> was changed as a result.
-     *
-     * @param {string} name - the name of the {@link Option} whose value is to be set
-     * @param {*} value - the value to be set for the named {@link Option} on <code>target</code>
-     * @param {Object} target - the object on which <code>value</code> is to be set for the named {@link Option}
-     * @return {boolean} <code>true</code> if the underlying field on <code>target</code> was changed; otherwise
-     * <code>false</code>.
-     * @throws {Error} If no {@link Option} is being managed with <code>name</code>.
-     * @public
-     */
-
-  }, {
-    key: 'set',
-    value: function set(name, value, target) {
-      var option = this._options[name];
-      if (!option) {
-        throw new Error('Invalid option: ' + name);
-      }
-
-      return OptionManager._set(option, value, target);
-    }
-
-    /**
-     * Sets all of the specified <code>options</code> on the <code>target</code> object provided to their corresponding
-     * values.
-     *
-     * This method will throw an error if any of the names within <code>options</code> does not match an available option.
-     *
-     * If any value within <code>options</code> is <code>null</code> and the corresponding {@link Option} has a default
-     * value configured, then that default value will be used instead. If an {@link Option} also has a value transformer
-     * configured, it will be used to transform whichever value was determined to be used.
-     *
-     * This method returns whether the value for any of the underlying fields on <code>target</code> were changed as a
-     * result.
-     *
-     * @param {Object.<string, *>} options - the name/value pairs of options to be set
-     * @param {Object} target - the object on which the options are to be set
-     * @return {boolean} <code>true</code> if any of the underlying fields on <code>target</code> were changed; otherwise
-     * <code>false</code>.
-     * @throws {Error} If no {@link Option} is being managed with for any of the names within <code>options</code>.
-     * @public
-     */
-
-  }, {
-    key: 'setAll',
-    value: function setAll(options, target) {
-      if (!options) {
-        return false;
-      }
-
-      var changed = false;
-
-      for (var name in options) {
-        if (Utilities.hasOwn(options, name) && this.set(name, options[name], target)) {
-          changed = true;
-        }
-      }
-
-      return changed;
-    }
-
-    /**
-     * Returns a copy of the available options for this {@link OptionManager}.
-     *
-     * @return {Option[]} The available options.
-     * @public
-     */
-
-  }, {
-    key: 'options',
-    get: function get() {
-      return _Object$values(this._options);
-    }
-  }]);
-
-  return OptionManager;
-}();
-
-/*
- * QRious
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * A basic manager for {@link Service} implementations that are mapped to simple names.
- *
- * @public
- */
-var ServiceManager = function () {
-
-  /**
-   * Creates a new instance of {@link ServiceManager}.
-   *
-   * @public
-   */
-  function ServiceManager() {
-    _classCallCheck(this, ServiceManager);
-
-    this._services = {};
-  }
-
-  /**
-   * Returns the {@link Service} being managed with the specified <code>name</code>.
-   *
-   * @param {string} name - the name of the {@link Service} to be returned
-   * @return {Service} The {@link Service} is being managed with <code>name</code>.
-   * @throws {Error} If no {@link Service} is being managed with <code>name</code>.
-   * @public
-   */
-
-
-  _createClass(ServiceManager, [{
-    key: "getService",
-    value: function getService(name) {
-      var service = this._services[name];
-      if (!service) {
-        throw new Error("Service is not being managed with name: " + name);
-      }
-
-      return service;
-    }
-
-    /**
-     * Sets the {@link Service} implementation to be managed for the specified <code>name</code> to the
-     * <code>service</code> provided.
-     *
-     * @param {string} name - the name of the {@link Service} to be managed with <code>name</code>
-     * @param {Service} service - the {@link Service} implementation to be managed
-     * @return {void}
-     * @throws {Error} If a {@link Service} is already being managed with the same <code>name</code>.
-     * @public
-     */
-
-  }, {
-    key: "setService",
-    value: function setService(name, service) {
-      if (this._services[name]) {
-        throw new Error("Service is already managed with name: " + name);
-      }
-
-      if (service) {
-        this._services[name] = service;
-      }
-    }
-  }]);
-
-  return ServiceManager;
-}();
-
-/*
- * QRious
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-var optionManager = new OptionManager([new Option('background', 'white'), new Option('backgroundAlpha', 1, Utilities.abs), new Option('element'), new Option('foreground', 'black'), new Option('foregroundAlpha', 1, Utilities.abs), new Option('level', 'L', Utilities.toUpperCase), new Option('mime', 'image/png'), new Option('padding', null, Utilities.abs), new Option('size', 100, Utilities.abs), new Option('value', '')]);
-var serviceManager = new ServiceManager();
-
-/**
- * Enables configuration of a QR code generator which uses HTML5 <code>canvas</code> for rendering.
- *
- * @public
- */
-
-var QRious$1 = function () {
-  _createClass(QRious, null, [{
-    key: 'use',
-
-
-    /**
-     * Configures the <code>service</code> provided to be used by all {@link QRious} instances.
-     *
-     * @param {Service} service - the {@link Service} to be configured
-     * @return {void}
-     * @throws {Error} If a {@link Service} has already been configured with the same name.
-     * @public
-     * @static
-     */
-    value: function use(service) {
-      serviceManager.setService(service.getName(), service);
-    }
-
-    /**
-     * Creates a new instance of {@link QRious} based on the <code>options</code> provided.
-     *
-     * @param {QRious~Options} [options] - the options to be used
-     * @throws {Error} If any <code>options</code> are invalid.
-     * @public
-     */
-
-  }, {
-    key: 'DEFAULTS',
-
-
-    /**
-     * Returns the default options for {@link QRious}.
-     *
-     * @return {QRious~Options} The default options.
-     * @deprecated Since 2.3.0
-     * @public
-     * @static
-     */
-    get: function get() {
-      var result = {};
-
-      optionManager.options.forEach(function (option) {
-        result[option.name] = option.defaultValue;
-      });
-
-      return result;
-    }
-
-    /**
-     * Returns the current version of {@link QRious}.
-     *
-     * @return {string} The current version.
-     * @public
-     * @static
-     */
-
-  }, {
-    key: 'VERSION',
-    get: function get() {
-      return '2.3.0';
-    }
-  }]);
-
-  function QRious(options) {
-    _classCallCheck(this, QRious);
-
-    optionManager.applyDefaults(this);
-    optionManager.setAll(options, this);
-
-    var element = optionManager.get('element', this);
-    var elementService = serviceManager.getService('element');
-    var canvas = element && elementService.isCanvas(element) ? element : elementService.createCanvas();
-    var image = element && elementService.isImage(element) ? element : elementService.createImage();
-
-    this._canvasRenderer = new CanvasRenderer(this, canvas, true);
-    this._imageRenderer = new ImageRenderer(this, image, image === element);
-
-    this.update();
-  }
-
-  /**
-   * Returns all of the options configured for this {@link QRious}.
-   *
-   * Any changes made to the returned object will not be reflected in the options themselves or their corresponding
-   * underlying fields.
-   *
-   * @return {Object.<string, *>} A copy of the applied options.
-   * @public
-   */
-
-
-  _createClass(QRious, [{
-    key: 'get',
-    value: function get() {
-      return optionManager.getAll(this);
-    }
-
-    /**
-     * Sets all of the specified <code>options</code> and automatically updates this {@link QRious} if any of the
-     * underlying fields are changed as a result.
-     *
-     * This is the preferred method for updating multiple options at one time to avoid unnecessary updates between
-     * changes.
-     *
-     * @param {QRious~Options} options - the options to be set
-     * @return {void}
-     * @throws {Error} If any <code>options</code> are invalid.
-     * @public
-     */
-
-  }, {
-    key: 'set',
-    value: function set(options) {
-      if (optionManager.setAll(options, this)) {
-        this.update();
-      }
-    }
-
-    /**
-     * Returns the image data URI for the generated QR code using the <code>mime</code> provided.
-     *
-     * @param {string} [mime] - the MIME type for the image
-     * @return {string} The image data URI for the QR code.
-     * @public
-     */
-
-  }, {
-    key: 'toDataURL',
-    value: function toDataURL(mime) {
-      return this.canvas.toDataURL(mime || this.mime);
-    }
-
-    /**
-     * Updates this {@link QRious} by generating a new {@link Frame} and re-rendering the QR code.
-     *
-     * @return {void}
-     * @protected
-     */
-
-  }, {
-    key: 'update',
-    value: function update() {
-      var frame = new Frame({
-        level: this.level,
-        value: this.value
-      });
-
-      this._canvasRenderer.render(frame);
-      this._imageRenderer.render(frame);
-    }
-
-    /**
-     * Returns the background color for the QR code.
-     *
-     * @return {string} The background color.
-     * @public
-     */
-
-  }, {
-    key: 'background',
-    get: function get() {
-      return optionManager.get('background', this);
-    }
-
-    /**
-     * Sets the background color for the QR code to <code>background</code> and automatically updates this {@link QRious}
-     * if the underlying field is changed as a result.
-     *
-     * @param {string} [background="white"] - the background color to be set
-     * @public
-     */
-    ,
-    set: function set(background) {
-      if (optionManager.set('background', background, this)) {
-        this.update();
-      }
-    }
-
-    /**
-     * Returns the background alpha for the QR code.
-     *
-     * @return {number} The background alpha.
-     * @public
-     */
-
-  }, {
-    key: 'backgroundAlpha',
-    get: function get() {
-      return optionManager.get('backgroundAlpha', this);
-    }
-
-    /**
-     * Sets the background alpha for the QR code to <code>backgroundAlpha</code> and automatically updates this
-     * {@link QRious} if the underlying field is changed as a result.
-     *
-     * @param {number} [backgroundAlpha=1] - the background alpha to be set
-     * @public
-     */
-    ,
-    set: function set(backgroundAlpha) {
-      if (optionManager.set('backgroundAlpha', backgroundAlpha, this)) {
-        this.update();
-      }
-    }
-
-    /**
-     * Returns the <code>canvas</code> element being used to render the QR code for this {@link QRious}.
-     *
-     * @return {*} The <code>canvas</code> element.
-     * @public
-     */
-
-  }, {
-    key: 'canvas',
-    get: function get() {
-      return this._canvasRenderer.getElement();
-    }
-
-    /**
-     * Returns the foreground color for the QR code.
-     *
-     * @return {string} The foreground color.
-     * @public
-     */
-
-  }, {
-    key: 'foreground',
-    get: function get() {
-      return optionManager.get('foreground', this);
-    }
-
-    /**
-     * Sets the foreground color for the QR code to <code>foreground</code> and automatically updates this {@link QRious}
-     * if the underlying field is changed as a result.
-     *
-     * @param {string} [foreground="black"] - the foreground color to be set
-     * @public
-     */
-    ,
-    set: function set(foreground) {
-      if (optionManager.set('foreground', foreground, this)) {
-        this.update();
-      }
-    }
-
-    /**
-     * Returns the foreground alpha for the QR code.
-     *
-     * @return {number} The foreground alpha.
-     * @public
-     */
-
-  }, {
-    key: 'foregroundAlpha',
-    get: function get() {
-      return optionManager.get('foregroundAlpha', this);
-    }
-
-    /**
-     * Sets the foreground alpha for the QR code to <code>foregroundAlpha</code> and automatically updates this
-     * {@link QRious} if the underlying field is changed as a result.
-     *
-     * @param {number} [foregroundAlpha=1] - the foreground alpha to be set
-     * @public
-     */
-    ,
-    set: function set(foregroundAlpha) {
-      if (optionManager.set('foregroundAlpha', foregroundAlpha, this)) {
-        this.update();
-      }
-    }
-
-    /**
-     * Returns the <code>img</code> element being used to render the QR code for this {@link QRious}.
-     *
-     * @return {*} The <code>img</code> element.
-     * @public
-     */
-
-  }, {
-    key: 'image',
-    get: function get() {
-      return this._imageRenderer.getElement();
-    }
-
-    /**
-     * Returns the error correction level for the QR code.
-     *
-     * @return {string} The ECC level.
-     * @public
-     */
-
-  }, {
-    key: 'level',
-    get: function get() {
-      return optionManager.get('level', this);
-    }
-
-    /**
-     * Sets the error correction level for the QR code to <code>level</code> and automatically updates this {@link QRious}
-     * if the underlying field is changed as a result.
-     *
-     * <code>level</code> will be transformed to upper case to aid mapping to known ECC level blocks.
-     *
-     * @param {string} [level="L"] - the ECC level to be set
-     * @public
-     */
-    ,
-    set: function set(level) {
-      if (optionManager.set('level', level, this)) {
-        this.update();
-      }
-    }
-
-    /**
-     * Returns the MIME type for the image rendered for the QR code.
-     *
-     * @return {string} The image MIME type.
-     * @public
-     */
-
-  }, {
-    key: 'mime',
-    get: function get() {
-      return optionManager.get('mime', this);
-    }
-
-    /**
-     * Sets the MIME type for the image rendered for the QR code to <code>mime</code> and automatically updates this
-     * {@link QRious} if the underlying field is changed as a result.
-     *
-     * @param {string} [mime="image/png"] - the image MIME type to be set
-     * @public
-     */
-    ,
-    set: function set(mime) {
-      if (optionManager.set('mime', mime, this)) {
-        this.update();
-      }
-    }
-
-    /**
-     * Returns the padding for the QR code.
-     *
-     * @return {number} The padding in pixels.
-     * @public
-     */
-
-  }, {
-    key: 'padding',
-    get: function get() {
-      return optionManager.get('padding', this);
-    }
-
-    /**
-     * Sets the padding for the QR code to <code>padding</code> and automatically updates this {@link QRious} if the
-     * underlying field is changed as a result.
-     *
-     * <code>padding</code> will be transformed to ensure that it is always an absolute positive numbers (e.g.
-     * <code>-10</code> would become <code>10</code>).
-     *
-     * @param {number} [padding] - the padding in pixels to be set
-     * @public
-     */
-    ,
-    set: function set(padding) {
-      if (optionManager.set('padding', padding, this)) {
-        this.update();
-      }
-    }
-
-    /**
-     * Returns the size of the QR code.
-     *
-     * @return {number} The size in pixels.
-     * @public
-     */
-
-  }, {
-    key: 'size',
-    get: function get() {
-      return optionManager.get('size', this);
-    }
-
-    /**
-     * Sets the size of the QR code to <code>size</code> and automatically updates this {@link QRious} if the underlying
-     * field is changed as a result.
-     *
-     * <code>size</code> will be transformed to ensure that it is always an absolute positive numbers (e.g.
-     * <code>-100</code> would become <code>100</code>).
-     *
-     * @param {number} [size=100] - the size in pixels to be set
-     * @public
-     */
-    ,
-    set: function set(size) {
-      if (optionManager.set('size', size, this)) {
-        this.update();
-      }
-    }
-
-    /**
-     * Returns the value of the QR code.
-     *
-     * @return {string} The value.
-     * @public
-     */
-
-  }, {
-    key: 'value',
-    get: function get() {
-      return optionManager.get('value', this);
-    }
-
-    /**
-     * Sets the value of the QR code to <code>value</code> and automatically updates this {@link QRious} if the underlying
-     * field is changed as a result.
-     *
-     * @param {string} [value=""] - the value to be set
-     * @public
-     */
-    ,
-    set: function set(value) {
-      if (optionManager.set('value', value, this)) {
-        this.update();
-      }
-    }
-  }]);
-
-  return QRious;
-}();
-
-
-
-/**
- * The options used by {@link QRious}.
- *
- * @typedef {Object} QRious~Options
- * @property {string} [background="white"] - The background color to be applied to the QR code.
- * @property {number} [backgroundAlpha=1] - The background alpha to be applied to the QR code.
- * @property {*} [element] - The element to be used to render the QR code which may either be an <code>canvas</code> or
- * <code>img</code>. The element(s) will be created if needed.
- * @property {string} [foreground="black"] - The foreground color to be applied to the QR code.
- * @property {number} [foregroundAlpha=1] - The foreground alpha to be applied to the QR code.
- * @property {string} [level="L"] - The error correction level to be applied to the QR code.
- * @property {string} [mime="image/png"] - The MIME type to be used to render the image for the QR code.
- * @property {number} [padding] - The padding for the QR code in pixels.
- * @property {number} [size=100] - The size of the QR code in pixels.
- * @property {string} [value=""] - The value to be encoded within the QR code.
- */
-
-/*
- * QRious
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-QRious$1.use(new NodeElementService());
-
-module.exports = QRious$1;
-
-//# sourceMappingURL=qrious.js.map
\ No newline at end of file
diff --git a/dist/cjs/qrious.js.map b/dist/cjs/qrious.js.map
deleted file mode 100644
index f73c16a..0000000
--- a/dist/cjs/qrious.js.map
+++ /dev/null
@@ -1 +0,0 @@
-{"version":3,"file":"qrious.js","sources":["../../node_modules/core-js/library/modules/_defined.js","../../node_modules/core-js/library/modules/_to-object.js","../../node_modules/core-js/library/modules/_has.js","../../node_modules/core-js/library/modules/_global.js","../../node_modules/core-js/library/modules/_shared.js","../../node_modules/core-js/library/modules/_uid.js","../../node_modules/core-js/library/modules/_shared-key.js","../../node_modules/core-js/library/modules/_object-gpo.js","../../node_modules/core-js/library/modules/_core.js","../../node_modules/core-js/library/modules/_a-function.js","../../node_modules/core-js/library/modules/_ctx.js","../../node_modules/core-js/library/modules/_is-object.js","../../node_modules/core-js/library/modules/_an-object.js","../../node_modules/core-js/library/modules/_fails.js","../../node_modules/core-js/library/modules/_descriptors.js","../../node_modules/core-js/library/modules/_dom-create.js","../../node_modules/core-js/library/modules/_ie8-dom-define.js","../../node_modules/core-js/library/modules/_to-primitive.js","../../node_modules/core-js/library/modules/_object-dp.js","../../node_modules/core-js/library/modules/_property-desc.js","../../node_modules/core-js/library/modules/_hide.js","../../node_modules/core-js/library/modules/_export.js","../../node_modules/core-js/library/modules/_object-sap.js","../../node_modules/core-js/library/modules/es6.object.get-prototype-of.js","../../node_modules/core-js/library/fn/object/get-prototype-of.js","../../node_modules/babel-runtime/core-js/object/get-prototype-of.js","../../node_modules/babel-runtime/helpers/classCallCheck.js","../../node_modules/core-js/library/modules/es6.object.define-property.js","../../node_modules/core-js/library/fn/object/define-property.js","../../node_modules/babel-runtime/core-js/object/define-property.js","../../node_modules/babel-runtime/helpers/createClass.js","../../node_modules/core-js/library/modules/_to-integer.js","../../node_modules/core-js/library/modules/_string-at.js","../../node_modules/core-js/library/modules/_library.js","../../node_modules/core-js/library/modules/_redefine.js","../../node_modules/core-js/library/modules/_iterators.js","../../node_modules/core-js/library/modules/_cof.js","../../node_modules/core-js/library/modules/_iobject.js","../../node_modules/core-js/library/modules/_to-iobject.js","../../node_modules/core-js/library/modules/_to-length.js","../../node_modules/core-js/library/modules/_to-index.js","../../node_modules/core-js/library/modules/_array-includes.js","../../node_modules/core-js/library/modules/_object-keys-internal.js","../../node_modules/core-js/library/modules/_enum-bug-keys.js","../../node_modules/core-js/library/modules/_object-keys.js","../../node_modules/core-js/library/modules/_object-dps.js","../../node_modules/core-js/library/modules/_html.js","../../node_modules/core-js/library/modules/_object-create.js","../../node_modules/core-js/library/modules/_wks.js","../../node_modules/core-js/library/modules/_set-to-string-tag.js","../../node_modules/core-js/library/modules/_iter-create.js","../../node_modules/core-js/library/modules/_iter-define.js","../../node_modules/core-js/library/modules/es6.string.iterator.js","../../node_modules/core-js/library/modules/_add-to-unscopables.js","../../node_modules/core-js/library/modules/_iter-step.js","../../node_modules/core-js/library/modules/es6.array.iterator.js","../../node_modules/core-js/library/modules/web.dom.iterable.js","../../node_modules/core-js/library/modules/_wks-ext.js","../../node_modules/core-js/library/fn/symbol/iterator.js","../../node_modules/babel-runtime/core-js/symbol/iterator.js","../../node_modules/core-js/library/modules/_meta.js","../../node_modules/core-js/library/modules/_wks-define.js","../../node_modules/core-js/library/modules/_keyof.js","../../node_modules/core-js/library/modules/_object-gops.js","../../node_modules/core-js/library/modules/_object-pie.js","../../node_modules/core-js/library/modules/_enum-keys.js","../../node_modules/core-js/library/modules/_is-array.js","../../node_modules/core-js/library/modules/_object-gopn.js","../../node_modules/core-js/library/modules/_object-gopn-ext.js","../../node_modules/core-js/library/modules/_object-gopd.js","../../node_modules/core-js/library/modules/es6.symbol.js","../../node_modules/core-js/library/modules/es7.symbol.async-iterator.js","../../node_modules/core-js/library/modules/es7.symbol.observable.js","../../node_modules/core-js/library/fn/symbol/index.js","../../node_modules/babel-runtime/core-js/symbol.js","../../node_modules/babel-runtime/helpers/typeof.js","../../node_modules/babel-runtime/helpers/possibleConstructorReturn.js","../../node_modules/core-js/library/modules/_set-proto.js","../../node_modules/core-js/library/modules/es6.object.set-prototype-of.js","../../node_modules/core-js/library/fn/object/set-prototype-of.js","../../node_modules/babel-runtime/core-js/object/set-prototype-of.js","../../node_modules/core-js/library/modules/es6.object.create.js","../../node_modules/core-js/library/fn/object/create.js","../../node_modules/babel-runtime/core-js/object/create.js","../../node_modules/babel-runtime/helpers/inherits.js","../../src/util/Utilities.js","../../src/service/Service.js","../../src/service/element/ElementService.js","../../src/service/element/NodeElementService.js","../../src/renderer/Renderer.js","../../src/renderer/CanvasRenderer.js","../../src/Alignment.js","../../src/ErrorCorrection.js","../../src/Galois.js","../../src/Version.js","../../src/Frame.js","../../src/renderer/ImageRenderer.js","../../src/option/Option.js","../../node_modules/core-js/library/modules/_object-to-array.js","../../node_modules/core-js/library/modules/es7.object.values.js","../../node_modules/core-js/library/fn/object/values.js","../../node_modules/babel-runtime/core-js/object/values.js","../../src/option/OptionManager.js","../../src/service/ServiceManager.js","../../src/QRious.js","../../src/runtime/node.js"],"sourcesContent":["// 7.2.1 RequireObjectCoercible(argument)\nmodule.exports = function(it){\n  if(it == undefined)throw TypeError(\"Can't call method on  \" + it);\n  return it;\n};","// 7.1.13 ToObject(argument)\nvar defined = require('./_defined');\nmodule.exports = function(it){\n  return Object(defined(it));\n};","var hasOwnProperty = {}.hasOwnProperty;\nmodule.exports = function(it, key){\n  return hasOwnProperty.call(it, key);\n};","// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n  ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();\nif(typeof __g == 'number')__g = global; // eslint-disable-line no-undef","var global = require('./_global')\n  , SHARED = '__core-js_shared__'\n  , store  = global[SHARED] || (global[SHARED] = {});\nmodule.exports = function(key){\n  return store[key] || (store[key] = {});\n};","var id = 0\n  , px = Math.random();\nmodule.exports = function(key){\n  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));\n};","var shared = require('./_shared')('keys')\n  , uid    = require('./_uid');\nmodule.exports = function(key){\n  return shared[key] || (shared[key] = uid(key));\n};","// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)\nvar has         = require('./_has')\n  , toObject    = require('./_to-object')\n  , IE_PROTO    = require('./_shared-key')('IE_PROTO')\n  , ObjectProto = Object.prototype;\n\nmodule.exports = Object.getPrototypeOf || function(O){\n  O = toObject(O);\n  if(has(O, IE_PROTO))return O[IE_PROTO];\n  if(typeof O.constructor == 'function' && O instanceof O.constructor){\n    return O.constructor.prototype;\n  } return O instanceof Object ? ObjectProto : null;\n};","var core = module.exports = {version: '2.4.0'};\nif(typeof __e == 'number')__e = core; // eslint-disable-line no-undef","module.exports = function(it){\n  if(typeof it != 'function')throw TypeError(it + ' is not a function!');\n  return it;\n};","// optional / simple context binding\nvar aFunction = require('./_a-function');\nmodule.exports = function(fn, that, length){\n  aFunction(fn);\n  if(that === undefined)return fn;\n  switch(length){\n    case 1: return function(a){\n      return fn.call(that, a);\n    };\n    case 2: return function(a, b){\n      return fn.call(that, a, b);\n    };\n    case 3: return function(a, b, c){\n      return fn.call(that, a, b, c);\n    };\n  }\n  return function(/* ...args */){\n    return fn.apply(that, arguments);\n  };\n};","module.exports = function(it){\n  return typeof it === 'object' ? it !== null : typeof it === 'function';\n};","var isObject = require('./_is-object');\nmodule.exports = function(it){\n  if(!isObject(it))throw TypeError(it + ' is not an object!');\n  return it;\n};","module.exports = function(exec){\n  try {\n    return !!exec();\n  } catch(e){\n    return true;\n  }\n};","// Thank's IE8 for his funny defineProperty\nmodule.exports = !require('./_fails')(function(){\n  return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7;\n});","var isObject = require('./_is-object')\n  , document = require('./_global').document\n  // in old IE typeof document.createElement is 'object'\n  , is = isObject(document) && isObject(document.createElement);\nmodule.exports = function(it){\n  return is ? document.createElement(it) : {};\n};","module.exports = !require('./_descriptors') && !require('./_fails')(function(){\n  return Object.defineProperty(require('./_dom-create')('div'), 'a', {get: function(){ return 7; }}).a != 7;\n});","// 7.1.1 ToPrimitive(input [, PreferredType])\nvar isObject = require('./_is-object');\n// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n// and the second argument - flag - preferred type is a string\nmodule.exports = function(it, S){\n  if(!isObject(it))return it;\n  var fn, val;\n  if(S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n  if(typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it)))return val;\n  if(!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n  throw TypeError(\"Can't convert object to primitive value\");\n};","var anObject       = require('./_an-object')\n  , IE8_DOM_DEFINE = require('./_ie8-dom-define')\n  , toPrimitive    = require('./_to-primitive')\n  , dP             = Object.defineProperty;\n\nexports.f = require('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes){\n  anObject(O);\n  P = toPrimitive(P, true);\n  anObject(Attributes);\n  if(IE8_DOM_DEFINE)try {\n    return dP(O, P, Attributes);\n  } catch(e){ /* empty */ }\n  if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!');\n  if('value' in Attributes)O[P] = Attributes.value;\n  return O;\n};","module.exports = function(bitmap, value){\n  return {\n    enumerable  : !(bitmap & 1),\n    configurable: !(bitmap & 2),\n    writable    : !(bitmap & 4),\n    value       : value\n  };\n};","var dP         = require('./_object-dp')\n  , createDesc = require('./_property-desc');\nmodule.exports = require('./_descriptors') ? function(object, key, value){\n  return dP.f(object, key, createDesc(1, value));\n} : function(object, key, value){\n  object[key] = value;\n  return object;\n};","var global    = require('./_global')\n  , core      = require('./_core')\n  , ctx       = require('./_ctx')\n  , hide      = require('./_hide')\n  , PROTOTYPE = 'prototype';\n\nvar $export = function(type, name, source){\n  var IS_FORCED = type & $export.F\n    , IS_GLOBAL = type & $export.G\n    , IS_STATIC = type & $export.S\n    , IS_PROTO  = type & $export.P\n    , IS_BIND   = type & $export.B\n    , IS_WRAP   = type & $export.W\n    , exports   = IS_GLOBAL ? core : core[name] || (core[name] = {})\n    , expProto  = exports[PROTOTYPE]\n    , target    = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE]\n    , key, own, out;\n  if(IS_GLOBAL)source = name;\n  for(key in source){\n    // contains in native\n    own = !IS_FORCED && target && target[key] !== undefined;\n    if(own && key in exports)continue;\n    // export native or passed\n    out = own ? target[key] : source[key];\n    // prevent global pollution for namespaces\n    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n    // bind timers to global for call from export context\n    : IS_BIND && own ? ctx(out, global)\n    // wrap global constructors for prevent change them in library\n    : IS_WRAP && target[key] == out ? (function(C){\n      var F = function(a, b, c){\n        if(this instanceof C){\n          switch(arguments.length){\n            case 0: return new C;\n            case 1: return new C(a);\n            case 2: return new C(a, b);\n          } return new C(a, b, c);\n        } return C.apply(this, arguments);\n      };\n      F[PROTOTYPE] = C[PROTOTYPE];\n      return F;\n    // make static versions for prototype methods\n    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n    if(IS_PROTO){\n      (exports.virtual || (exports.virtual = {}))[key] = out;\n      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n      if(type & $export.R && expProto && !expProto[key])hide(expProto, key, out);\n    }\n  }\n};\n// type bitmap\n$export.F = 1;   // forced\n$export.G = 2;   // global\n$export.S = 4;   // static\n$export.P = 8;   // proto\n$export.B = 16;  // bind\n$export.W = 32;  // wrap\n$export.U = 64;  // safe\n$export.R = 128; // real proto method for `library` \nmodule.exports = $export;","// most Object methods by ES6 should accept primitives\nvar $export = require('./_export')\n  , core    = require('./_core')\n  , fails   = require('./_fails');\nmodule.exports = function(KEY, exec){\n  var fn  = (core.Object || {})[KEY] || Object[KEY]\n    , exp = {};\n  exp[KEY] = exec(fn);\n  $export($export.S + $export.F * fails(function(){ fn(1); }), 'Object', exp);\n};","// 19.1.2.9 Object.getPrototypeOf(O)\nvar toObject        = require('./_to-object')\n  , $getPrototypeOf = require('./_object-gpo');\n\nrequire('./_object-sap')('getPrototypeOf', function(){\n  return function getPrototypeOf(it){\n    return $getPrototypeOf(toObject(it));\n  };\n});","require('../../modules/es6.object.get-prototype-of');\nmodule.exports = require('../../modules/_core').Object.getPrototypeOf;","module.exports = { \"default\": require(\"core-js/library/fn/object/get-prototype-of\"), __esModule: true };","\"use strict\";\n\nexports.__esModule = true;\n\nexports.default = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};","var $export = require('./_export');\n// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n$export($export.S + $export.F * !require('./_descriptors'), 'Object', {defineProperty: require('./_object-dp').f});","require('../../modules/es6.object.define-property');\nvar $Object = require('../../modules/_core').Object;\nmodule.exports = function defineProperty(it, key, desc){\n  return $Object.defineProperty(it, key, desc);\n};","module.exports = { \"default\": require(\"core-js/library/fn/object/define-property\"), __esModule: true };","\"use strict\";\n\nexports.__esModule = true;\n\nvar _defineProperty = require(\"../core-js/object/define-property\");\n\nvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function () {\n  function defineProperties(target, props) {\n    for (var i = 0; i < props.length; i++) {\n      var descriptor = props[i];\n      descriptor.enumerable = descriptor.enumerable || false;\n      descriptor.configurable = true;\n      if (\"value\" in descriptor) descriptor.writable = true;\n      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n    }\n  }\n\n  return function (Constructor, protoProps, staticProps) {\n    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n    if (staticProps) defineProperties(Constructor, staticProps);\n    return Constructor;\n  };\n}();","// 7.1.4 ToInteger\nvar ceil  = Math.ceil\n  , floor = Math.floor;\nmodule.exports = function(it){\n  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);\n};","var toInteger = require('./_to-integer')\n  , defined   = require('./_defined');\n// true  -> String#at\n// false -> String#codePointAt\nmodule.exports = function(TO_STRING){\n  return function(that, pos){\n    var s = String(defined(that))\n      , i = toInteger(pos)\n      , l = s.length\n      , a, b;\n    if(i < 0 || i >= l)return TO_STRING ? '' : undefined;\n    a = s.charCodeAt(i);\n    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff\n      ? TO_STRING ? s.charAt(i) : a\n      : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;\n  };\n};","module.exports = true;","module.exports = require('./_hide');","module.exports = {};","var toString = {}.toString;\n\nmodule.exports = function(it){\n  return toString.call(it).slice(8, -1);\n};","// fallback for non-array-like ES3 and non-enumerable old V8 strings\nvar cof = require('./_cof');\nmodule.exports = Object('z').propertyIsEnumerable(0) ? Object : function(it){\n  return cof(it) == 'String' ? it.split('') : Object(it);\n};","// to indexed object, toObject with fallback for non-array-like ES3 strings\nvar IObject = require('./_iobject')\n  , defined = require('./_defined');\nmodule.exports = function(it){\n  return IObject(defined(it));\n};","// 7.1.15 ToLength\nvar toInteger = require('./_to-integer')\n  , min       = Math.min;\nmodule.exports = function(it){\n  return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991\n};","var toInteger = require('./_to-integer')\n  , max       = Math.max\n  , min       = Math.min;\nmodule.exports = function(index, length){\n  index = toInteger(index);\n  return index < 0 ? max(index + length, 0) : min(index, length);\n};","// false -> Array#indexOf\n// true  -> Array#includes\nvar toIObject = require('./_to-iobject')\n  , toLength  = require('./_to-length')\n  , toIndex   = require('./_to-index');\nmodule.exports = function(IS_INCLUDES){\n  return function($this, el, fromIndex){\n    var O      = toIObject($this)\n      , length = toLength(O.length)\n      , index  = toIndex(fromIndex, length)\n      , value;\n    // Array#includes uses SameValueZero equality algorithm\n    if(IS_INCLUDES && el != el)while(length > index){\n      value = O[index++];\n      if(value != value)return true;\n    // Array#toIndex ignores holes, Array#includes - not\n    } else for(;length > index; index++)if(IS_INCLUDES || index in O){\n      if(O[index] === el)return IS_INCLUDES || index || 0;\n    } return !IS_INCLUDES && -1;\n  };\n};","var has          = require('./_has')\n  , toIObject    = require('./_to-iobject')\n  , arrayIndexOf = require('./_array-includes')(false)\n  , IE_PROTO     = require('./_shared-key')('IE_PROTO');\n\nmodule.exports = function(object, names){\n  var O      = toIObject(object)\n    , i      = 0\n    , result = []\n    , key;\n  for(key in O)if(key != IE_PROTO)has(O, key) && result.push(key);\n  // Don't enum bug & hidden keys\n  while(names.length > i)if(has(O, key = names[i++])){\n    ~arrayIndexOf(result, key) || result.push(key);\n  }\n  return result;\n};","// IE 8- don't enum bug keys\nmodule.exports = (\n  'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'\n).split(',');","// 19.1.2.14 / 15.2.3.14 Object.keys(O)\nvar $keys       = require('./_object-keys-internal')\n  , enumBugKeys = require('./_enum-bug-keys');\n\nmodule.exports = Object.keys || function keys(O){\n  return $keys(O, enumBugKeys);\n};","var dP       = require('./_object-dp')\n  , anObject = require('./_an-object')\n  , getKeys  = require('./_object-keys');\n\nmodule.exports = require('./_descriptors') ? Object.defineProperties : function defineProperties(O, Properties){\n  anObject(O);\n  var keys   = getKeys(Properties)\n    , length = keys.length\n    , i = 0\n    , P;\n  while(length > i)dP.f(O, P = keys[i++], Properties[P]);\n  return O;\n};","module.exports = require('./_global').document && document.documentElement;","// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\nvar anObject    = require('./_an-object')\n  , dPs         = require('./_object-dps')\n  , enumBugKeys = require('./_enum-bug-keys')\n  , IE_PROTO    = require('./_shared-key')('IE_PROTO')\n  , Empty       = function(){ /* empty */ }\n  , PROTOTYPE   = 'prototype';\n\n// Create object with fake `null` prototype: use iframe Object with cleared prototype\nvar createDict = function(){\n  // Thrash, waste and sodomy: IE GC bug\n  var iframe = require('./_dom-create')('iframe')\n    , i      = enumBugKeys.length\n    , lt     = '<'\n    , gt     = '>'\n    , iframeDocument;\n  iframe.style.display = 'none';\n  require('./_html').appendChild(iframe);\n  iframe.src = 'javascript:'; // eslint-disable-line no-script-url\n  // createDict = iframe.contentWindow.Object;\n  // html.removeChild(iframe);\n  iframeDocument = iframe.contentWindow.document;\n  iframeDocument.open();\n  iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);\n  iframeDocument.close();\n  createDict = iframeDocument.F;\n  while(i--)delete createDict[PROTOTYPE][enumBugKeys[i]];\n  return createDict();\n};\n\nmodule.exports = Object.create || function create(O, Properties){\n  var result;\n  if(O !== null){\n    Empty[PROTOTYPE] = anObject(O);\n    result = new Empty;\n    Empty[PROTOTYPE] = null;\n    // add \"__proto__\" for Object.getPrototypeOf polyfill\n    result[IE_PROTO] = O;\n  } else result = createDict();\n  return Properties === undefined ? result : dPs(result, Properties);\n};\n","var store      = require('./_shared')('wks')\n  , uid        = require('./_uid')\n  , Symbol     = require('./_global').Symbol\n  , USE_SYMBOL = typeof Symbol == 'function';\n\nvar $exports = module.exports = function(name){\n  return store[name] || (store[name] =\n    USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name));\n};\n\n$exports.store = store;","var def = require('./_object-dp').f\n  , has = require('./_has')\n  , TAG = require('./_wks')('toStringTag');\n\nmodule.exports = function(it, tag, stat){\n  if(it && !has(it = stat ? it : it.prototype, TAG))def(it, TAG, {configurable: true, value: tag});\n};","'use strict';\nvar create         = require('./_object-create')\n  , descriptor     = require('./_property-desc')\n  , setToStringTag = require('./_set-to-string-tag')\n  , IteratorPrototype = {};\n\n// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()\nrequire('./_hide')(IteratorPrototype, require('./_wks')('iterator'), function(){ return this; });\n\nmodule.exports = function(Constructor, NAME, next){\n  Constructor.prototype = create(IteratorPrototype, {next: descriptor(1, next)});\n  setToStringTag(Constructor, NAME + ' Iterator');\n};","'use strict';\nvar LIBRARY        = require('./_library')\n  , $export        = require('./_export')\n  , redefine       = require('./_redefine')\n  , hide           = require('./_hide')\n  , has            = require('./_has')\n  , Iterators      = require('./_iterators')\n  , $iterCreate    = require('./_iter-create')\n  , setToStringTag = require('./_set-to-string-tag')\n  , getPrototypeOf = require('./_object-gpo')\n  , ITERATOR       = require('./_wks')('iterator')\n  , BUGGY          = !([].keys && 'next' in [].keys()) // Safari has buggy iterators w/o `next`\n  , FF_ITERATOR    = '@@iterator'\n  , KEYS           = 'keys'\n  , VALUES         = 'values';\n\nvar returnThis = function(){ return this; };\n\nmodule.exports = function(Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED){\n  $iterCreate(Constructor, NAME, next);\n  var getMethod = function(kind){\n    if(!BUGGY && kind in proto)return proto[kind];\n    switch(kind){\n      case KEYS: return function keys(){ return new Constructor(this, kind); };\n      case VALUES: return function values(){ return new Constructor(this, kind); };\n    } return function entries(){ return new Constructor(this, kind); };\n  };\n  var TAG        = NAME + ' Iterator'\n    , DEF_VALUES = DEFAULT == VALUES\n    , VALUES_BUG = false\n    , proto      = Base.prototype\n    , $native    = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT]\n    , $default   = $native || getMethod(DEFAULT)\n    , $entries   = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined\n    , $anyNative = NAME == 'Array' ? proto.entries || $native : $native\n    , methods, key, IteratorPrototype;\n  // Fix native\n  if($anyNative){\n    IteratorPrototype = getPrototypeOf($anyNative.call(new Base));\n    if(IteratorPrototype !== Object.prototype){\n      // Set @@toStringTag to native iterators\n      setToStringTag(IteratorPrototype, TAG, true);\n      // fix for some old engines\n      if(!LIBRARY && !has(IteratorPrototype, ITERATOR))hide(IteratorPrototype, ITERATOR, returnThis);\n    }\n  }\n  // fix Array#{values, @@iterator}.name in V8 / FF\n  if(DEF_VALUES && $native && $native.name !== VALUES){\n    VALUES_BUG = true;\n    $default = function values(){ return $native.call(this); };\n  }\n  // Define iterator\n  if((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])){\n    hide(proto, ITERATOR, $default);\n  }\n  // Plug for library\n  Iterators[NAME] = $default;\n  Iterators[TAG]  = returnThis;\n  if(DEFAULT){\n    methods = {\n      values:  DEF_VALUES ? $default : getMethod(VALUES),\n      keys:    IS_SET     ? $default : getMethod(KEYS),\n      entries: $entries\n    };\n    if(FORCED)for(key in methods){\n      if(!(key in proto))redefine(proto, key, methods[key]);\n    } else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods);\n  }\n  return methods;\n};","'use strict';\nvar $at  = require('./_string-at')(true);\n\n// 21.1.3.27 String.prototype[@@iterator]()\nrequire('./_iter-define')(String, 'String', function(iterated){\n  this._t = String(iterated); // target\n  this._i = 0;                // next index\n// 21.1.5.2.1 %StringIteratorPrototype%.next()\n}, function(){\n  var O     = this._t\n    , index = this._i\n    , point;\n  if(index >= O.length)return {value: undefined, done: true};\n  point = $at(O, index);\n  this._i += point.length;\n  return {value: point, done: false};\n});","module.exports = function(){ /* empty */ };","module.exports = function(done, value){\n  return {value: value, done: !!done};\n};","'use strict';\nvar addToUnscopables = require('./_add-to-unscopables')\n  , step             = require('./_iter-step')\n  , Iterators        = require('./_iterators')\n  , toIObject        = require('./_to-iobject');\n\n// 22.1.3.4 Array.prototype.entries()\n// 22.1.3.13 Array.prototype.keys()\n// 22.1.3.29 Array.prototype.values()\n// 22.1.3.30 Array.prototype[@@iterator]()\nmodule.exports = require('./_iter-define')(Array, 'Array', function(iterated, kind){\n  this._t = toIObject(iterated); // target\n  this._i = 0;                   // next index\n  this._k = kind;                // kind\n// 22.1.5.2.1 %ArrayIteratorPrototype%.next()\n}, function(){\n  var O     = this._t\n    , kind  = this._k\n    , index = this._i++;\n  if(!O || index >= O.length){\n    this._t = undefined;\n    return step(1);\n  }\n  if(kind == 'keys'  )return step(0, index);\n  if(kind == 'values')return step(0, O[index]);\n  return step(0, [index, O[index]]);\n}, 'values');\n\n// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)\nIterators.Arguments = Iterators.Array;\n\naddToUnscopables('keys');\naddToUnscopables('values');\naddToUnscopables('entries');","require('./es6.array.iterator');\nvar global        = require('./_global')\n  , hide          = require('./_hide')\n  , Iterators     = require('./_iterators')\n  , TO_STRING_TAG = require('./_wks')('toStringTag');\n\nfor(var collections = ['NodeList', 'DOMTokenList', 'MediaList', 'StyleSheetList', 'CSSRuleList'], i = 0; i < 5; i++){\n  var NAME       = collections[i]\n    , Collection = global[NAME]\n    , proto      = Collection && Collection.prototype;\n  if(proto && !proto[TO_STRING_TAG])hide(proto, TO_STRING_TAG, NAME);\n  Iterators[NAME] = Iterators.Array;\n}","exports.f = require('./_wks');","require('../../modules/es6.string.iterator');\nrequire('../../modules/web.dom.iterable');\nmodule.exports = require('../../modules/_wks-ext').f('iterator');","module.exports = { \"default\": require(\"core-js/library/fn/symbol/iterator\"), __esModule: true };","var META     = require('./_uid')('meta')\n  , isObject = require('./_is-object')\n  , has      = require('./_has')\n  , setDesc  = require('./_object-dp').f\n  , id       = 0;\nvar isExtensible = Object.isExtensible || function(){\n  return true;\n};\nvar FREEZE = !require('./_fails')(function(){\n  return isExtensible(Object.preventExtensions({}));\n});\nvar setMeta = function(it){\n  setDesc(it, META, {value: {\n    i: 'O' + ++id, // object ID\n    w: {}          // weak collections IDs\n  }});\n};\nvar fastKey = function(it, create){\n  // return primitive with prefix\n  if(!isObject(it))return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;\n  if(!has(it, META)){\n    // can't set metadata to uncaught frozen object\n    if(!isExtensible(it))return 'F';\n    // not necessary to add metadata\n    if(!create)return 'E';\n    // add missing metadata\n    setMeta(it);\n  // return object ID\n  } return it[META].i;\n};\nvar getWeak = function(it, create){\n  if(!has(it, META)){\n    // can't set metadata to uncaught frozen object\n    if(!isExtensible(it))return true;\n    // not necessary to add metadata\n    if(!create)return false;\n    // add missing metadata\n    setMeta(it);\n  // return hash weak collections IDs\n  } return it[META].w;\n};\n// add metadata on freeze-family methods calling\nvar onFreeze = function(it){\n  if(FREEZE && meta.NEED && isExtensible(it) && !has(it, META))setMeta(it);\n  return it;\n};\nvar meta = module.exports = {\n  KEY:      META,\n  NEED:     false,\n  fastKey:  fastKey,\n  getWeak:  getWeak,\n  onFreeze: onFreeze\n};","var global         = require('./_global')\n  , core           = require('./_core')\n  , LIBRARY        = require('./_library')\n  , wksExt         = require('./_wks-ext')\n  , defineProperty = require('./_object-dp').f;\nmodule.exports = function(name){\n  var $Symbol = core.Symbol || (core.Symbol = LIBRARY ? {} : global.Symbol || {});\n  if(name.charAt(0) != '_' && !(name in $Symbol))defineProperty($Symbol, name, {value: wksExt.f(name)});\n};","var getKeys   = require('./_object-keys')\n  , toIObject = require('./_to-iobject');\nmodule.exports = function(object, el){\n  var O      = toIObject(object)\n    , keys   = getKeys(O)\n    , length = keys.length\n    , index  = 0\n    , key;\n  while(length > index)if(O[key = keys[index++]] === el)return key;\n};","exports.f = Object.getOwnPropertySymbols;","exports.f = {}.propertyIsEnumerable;","// all enumerable object keys, includes symbols\nvar getKeys = require('./_object-keys')\n  , gOPS    = require('./_object-gops')\n  , pIE     = require('./_object-pie');\nmodule.exports = function(it){\n  var result     = getKeys(it)\n    , getSymbols = gOPS.f;\n  if(getSymbols){\n    var symbols = getSymbols(it)\n      , isEnum  = pIE.f\n      , i       = 0\n      , key;\n    while(symbols.length > i)if(isEnum.call(it, key = symbols[i++]))result.push(key);\n  } return result;\n};","// 7.2.2 IsArray(argument)\nvar cof = require('./_cof');\nmodule.exports = Array.isArray || function isArray(arg){\n  return cof(arg) == 'Array';\n};","// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)\nvar $keys      = require('./_object-keys-internal')\n  , hiddenKeys = require('./_enum-bug-keys').concat('length', 'prototype');\n\nexports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O){\n  return $keys(O, hiddenKeys);\n};","// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window\nvar toIObject = require('./_to-iobject')\n  , gOPN      = require('./_object-gopn').f\n  , toString  = {}.toString;\n\nvar windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames\n  ? Object.getOwnPropertyNames(window) : [];\n\nvar getWindowNames = function(it){\n  try {\n    return gOPN(it);\n  } catch(e){\n    return windowNames.slice();\n  }\n};\n\nmodule.exports.f = function getOwnPropertyNames(it){\n  return windowNames && toString.call(it) == '[object Window]' ? getWindowNames(it) : gOPN(toIObject(it));\n};\n","var pIE            = require('./_object-pie')\n  , createDesc     = require('./_property-desc')\n  , toIObject      = require('./_to-iobject')\n  , toPrimitive    = require('./_to-primitive')\n  , has            = require('./_has')\n  , IE8_DOM_DEFINE = require('./_ie8-dom-define')\n  , gOPD           = Object.getOwnPropertyDescriptor;\n\nexports.f = require('./_descriptors') ? gOPD : function getOwnPropertyDescriptor(O, P){\n  O = toIObject(O);\n  P = toPrimitive(P, true);\n  if(IE8_DOM_DEFINE)try {\n    return gOPD(O, P);\n  } catch(e){ /* empty */ }\n  if(has(O, P))return createDesc(!pIE.f.call(O, P), O[P]);\n};","'use strict';\n// ECMAScript 6 symbols shim\nvar global         = require('./_global')\n  , has            = require('./_has')\n  , DESCRIPTORS    = require('./_descriptors')\n  , $export        = require('./_export')\n  , redefine       = require('./_redefine')\n  , META           = require('./_meta').KEY\n  , $fails         = require('./_fails')\n  , shared         = require('./_shared')\n  , setToStringTag = require('./_set-to-string-tag')\n  , uid            = require('./_uid')\n  , wks            = require('./_wks')\n  , wksExt         = require('./_wks-ext')\n  , wksDefine      = require('./_wks-define')\n  , keyOf          = require('./_keyof')\n  , enumKeys       = require('./_enum-keys')\n  , isArray        = require('./_is-array')\n  , anObject       = require('./_an-object')\n  , toIObject      = require('./_to-iobject')\n  , toPrimitive    = require('./_to-primitive')\n  , createDesc     = require('./_property-desc')\n  , _create        = require('./_object-create')\n  , gOPNExt        = require('./_object-gopn-ext')\n  , $GOPD          = require('./_object-gopd')\n  , $DP            = require('./_object-dp')\n  , $keys          = require('./_object-keys')\n  , gOPD           = $GOPD.f\n  , dP             = $DP.f\n  , gOPN           = gOPNExt.f\n  , $Symbol        = global.Symbol\n  , $JSON          = global.JSON\n  , _stringify     = $JSON && $JSON.stringify\n  , PROTOTYPE      = 'prototype'\n  , HIDDEN         = wks('_hidden')\n  , TO_PRIMITIVE   = wks('toPrimitive')\n  , isEnum         = {}.propertyIsEnumerable\n  , SymbolRegistry = shared('symbol-registry')\n  , AllSymbols     = shared('symbols')\n  , OPSymbols      = shared('op-symbols')\n  , ObjectProto    = Object[PROTOTYPE]\n  , USE_NATIVE     = typeof $Symbol == 'function'\n  , QObject        = global.QObject;\n// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173\nvar setter = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;\n\n// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687\nvar setSymbolDesc = DESCRIPTORS && $fails(function(){\n  return _create(dP({}, 'a', {\n    get: function(){ return dP(this, 'a', {value: 7}).a; }\n  })).a != 7;\n}) ? function(it, key, D){\n  var protoDesc = gOPD(ObjectProto, key);\n  if(protoDesc)delete ObjectProto[key];\n  dP(it, key, D);\n  if(protoDesc && it !== ObjectProto)dP(ObjectProto, key, protoDesc);\n} : dP;\n\nvar wrap = function(tag){\n  var sym = AllSymbols[tag] = _create($Symbol[PROTOTYPE]);\n  sym._k = tag;\n  return sym;\n};\n\nvar isSymbol = USE_NATIVE && typeof $Symbol.iterator == 'symbol' ? function(it){\n  return typeof it == 'symbol';\n} : function(it){\n  return it instanceof $Symbol;\n};\n\nvar $defineProperty = function defineProperty(it, key, D){\n  if(it === ObjectProto)$defineProperty(OPSymbols, key, D);\n  anObject(it);\n  key = toPrimitive(key, true);\n  anObject(D);\n  if(has(AllSymbols, key)){\n    if(!D.enumerable){\n      if(!has(it, HIDDEN))dP(it, HIDDEN, createDesc(1, {}));\n      it[HIDDEN][key] = true;\n    } else {\n      if(has(it, HIDDEN) && it[HIDDEN][key])it[HIDDEN][key] = false;\n      D = _create(D, {enumerable: createDesc(0, false)});\n    } return setSymbolDesc(it, key, D);\n  } return dP(it, key, D);\n};\nvar $defineProperties = function defineProperties(it, P){\n  anObject(it);\n  var keys = enumKeys(P = toIObject(P))\n    , i    = 0\n    , l = keys.length\n    , key;\n  while(l > i)$defineProperty(it, key = keys[i++], P[key]);\n  return it;\n};\nvar $create = function create(it, P){\n  return P === undefined ? _create(it) : $defineProperties(_create(it), P);\n};\nvar $propertyIsEnumerable = function propertyIsEnumerable(key){\n  var E = isEnum.call(this, key = toPrimitive(key, true));\n  if(this === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key))return false;\n  return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key] ? E : true;\n};\nvar $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key){\n  it  = toIObject(it);\n  key = toPrimitive(key, true);\n  if(it === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key))return;\n  var D = gOPD(it, key);\n  if(D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key]))D.enumerable = true;\n  return D;\n};\nvar $getOwnPropertyNames = function getOwnPropertyNames(it){\n  var names  = gOPN(toIObject(it))\n    , result = []\n    , i      = 0\n    , key;\n  while(names.length > i){\n    if(!has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META)result.push(key);\n  } return result;\n};\nvar $getOwnPropertySymbols = function getOwnPropertySymbols(it){\n  var IS_OP  = it === ObjectProto\n    , names  = gOPN(IS_OP ? OPSymbols : toIObject(it))\n    , result = []\n    , i      = 0\n    , key;\n  while(names.length > i){\n    if(has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectProto, key) : true))result.push(AllSymbols[key]);\n  } return result;\n};\n\n// 19.4.1.1 Symbol([description])\nif(!USE_NATIVE){\n  $Symbol = function Symbol(){\n    if(this instanceof $Symbol)throw TypeError('Symbol is not a constructor!');\n    var tag = uid(arguments.length > 0 ? arguments[0] : undefined);\n    var $set = function(value){\n      if(this === ObjectProto)$set.call(OPSymbols, value);\n      if(has(this, HIDDEN) && has(this[HIDDEN], tag))this[HIDDEN][tag] = false;\n      setSymbolDesc(this, tag, createDesc(1, value));\n    };\n    if(DESCRIPTORS && setter)setSymbolDesc(ObjectProto, tag, {configurable: true, set: $set});\n    return wrap(tag);\n  };\n  redefine($Symbol[PROTOTYPE], 'toString', function toString(){\n    return this._k;\n  });\n\n  $GOPD.f = $getOwnPropertyDescriptor;\n  $DP.f   = $defineProperty;\n  require('./_object-gopn').f = gOPNExt.f = $getOwnPropertyNames;\n  require('./_object-pie').f  = $propertyIsEnumerable;\n  require('./_object-gops').f = $getOwnPropertySymbols;\n\n  if(DESCRIPTORS && !require('./_library')){\n    redefine(ObjectProto, 'propertyIsEnumerable', $propertyIsEnumerable, true);\n  }\n\n  wksExt.f = function(name){\n    return wrap(wks(name));\n  }\n}\n\n$export($export.G + $export.W + $export.F * !USE_NATIVE, {Symbol: $Symbol});\n\nfor(var symbols = (\n  // 19.4.2.2, 19.4.2.3, 19.4.2.4, 19.4.2.6, 19.4.2.8, 19.4.2.9, 19.4.2.10, 19.4.2.11, 19.4.2.12, 19.4.2.13, 19.4.2.14\n  'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'\n).split(','), i = 0; symbols.length > i; )wks(symbols[i++]);\n\nfor(var symbols = $keys(wks.store), i = 0; symbols.length > i; )wksDefine(symbols[i++]);\n\n$export($export.S + $export.F * !USE_NATIVE, 'Symbol', {\n  // 19.4.2.1 Symbol.for(key)\n  'for': function(key){\n    return has(SymbolRegistry, key += '')\n      ? SymbolRegistry[key]\n      : SymbolRegistry[key] = $Symbol(key);\n  },\n  // 19.4.2.5 Symbol.keyFor(sym)\n  keyFor: function keyFor(key){\n    if(isSymbol(key))return keyOf(SymbolRegistry, key);\n    throw TypeError(key + ' is not a symbol!');\n  },\n  useSetter: function(){ setter = true; },\n  useSimple: function(){ setter = false; }\n});\n\n$export($export.S + $export.F * !USE_NATIVE, 'Object', {\n  // 19.1.2.2 Object.create(O [, Properties])\n  create: $create,\n  // 19.1.2.4 Object.defineProperty(O, P, Attributes)\n  defineProperty: $defineProperty,\n  // 19.1.2.3 Object.defineProperties(O, Properties)\n  defineProperties: $defineProperties,\n  // 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)\n  getOwnPropertyDescriptor: $getOwnPropertyDescriptor,\n  // 19.1.2.7 Object.getOwnPropertyNames(O)\n  getOwnPropertyNames: $getOwnPropertyNames,\n  // 19.1.2.8 Object.getOwnPropertySymbols(O)\n  getOwnPropertySymbols: $getOwnPropertySymbols\n});\n\n// 24.3.2 JSON.stringify(value [, replacer [, space]])\n$JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function(){\n  var S = $Symbol();\n  // MS Edge converts symbol values to JSON as {}\n  // WebKit converts symbol values to JSON as null\n  // V8 throws on boxed symbols\n  return _stringify([S]) != '[null]' || _stringify({a: S}) != '{}' || _stringify(Object(S)) != '{}';\n})), 'JSON', {\n  stringify: function stringify(it){\n    if(it === undefined || isSymbol(it))return; // IE8 returns string on undefined\n    var args = [it]\n      , i    = 1\n      , replacer, $replacer;\n    while(arguments.length > i)args.push(arguments[i++]);\n    replacer = args[1];\n    if(typeof replacer == 'function')$replacer = replacer;\n    if($replacer || !isArray(replacer))replacer = function(key, value){\n      if($replacer)value = $replacer.call(this, key, value);\n      if(!isSymbol(value))return value;\n    };\n    args[1] = replacer;\n    return _stringify.apply($JSON, args);\n  }\n});\n\n// 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)\n$Symbol[PROTOTYPE][TO_PRIMITIVE] || require('./_hide')($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);\n// 19.4.3.5 Symbol.prototype[@@toStringTag]\nsetToStringTag($Symbol, 'Symbol');\n// 20.2.1.9 Math[@@toStringTag]\nsetToStringTag(Math, 'Math', true);\n// 24.3.3 JSON[@@toStringTag]\nsetToStringTag(global.JSON, 'JSON', true);","require('./_wks-define')('asyncIterator');","require('./_wks-define')('observable');","require('../../modules/es6.symbol');\nrequire('../../modules/es6.object.to-string');\nrequire('../../modules/es7.symbol.async-iterator');\nrequire('../../modules/es7.symbol.observable');\nmodule.exports = require('../../modules/_core').Symbol;","module.exports = { \"default\": require(\"core-js/library/fn/symbol\"), __esModule: true };","\"use strict\";\n\nexports.__esModule = true;\n\nvar _iterator = require(\"../core-js/symbol/iterator\");\n\nvar _iterator2 = _interopRequireDefault(_iterator);\n\nvar _symbol = require(\"../core-js/symbol\");\n\nvar _symbol2 = _interopRequireDefault(_symbol);\n\nvar _typeof = typeof _symbol2.default === \"function\" && typeof _iterator2.default === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof _symbol2.default === \"function\" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? \"symbol\" : typeof obj; };\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = typeof _symbol2.default === \"function\" && _typeof(_iterator2.default) === \"symbol\" ? function (obj) {\n  return typeof obj === \"undefined\" ? \"undefined\" : _typeof(obj);\n} : function (obj) {\n  return obj && typeof _symbol2.default === \"function\" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? \"symbol\" : typeof obj === \"undefined\" ? \"undefined\" : _typeof(obj);\n};","\"use strict\";\n\nexports.__esModule = true;\n\nvar _typeof2 = require(\"../helpers/typeof\");\n\nvar _typeof3 = _interopRequireDefault(_typeof2);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function (self, call) {\n  if (!self) {\n    throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n  }\n\n  return call && ((typeof call === \"undefined\" ? \"undefined\" : (0, _typeof3.default)(call)) === \"object\" || typeof call === \"function\") ? call : self;\n};","// Works with __proto__ only. Old v8 can't work with null proto objects.\n/* eslint-disable no-proto */\nvar isObject = require('./_is-object')\n  , anObject = require('./_an-object');\nvar check = function(O, proto){\n  anObject(O);\n  if(!isObject(proto) && proto !== null)throw TypeError(proto + \": can't set as prototype!\");\n};\nmodule.exports = {\n  set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line\n    function(test, buggy, set){\n      try {\n        set = require('./_ctx')(Function.call, require('./_object-gopd').f(Object.prototype, '__proto__').set, 2);\n        set(test, []);\n        buggy = !(test instanceof Array);\n      } catch(e){ buggy = true; }\n      return function setPrototypeOf(O, proto){\n        check(O, proto);\n        if(buggy)O.__proto__ = proto;\n        else set(O, proto);\n        return O;\n      };\n    }({}, false) : undefined),\n  check: check\n};","// 19.1.3.19 Object.setPrototypeOf(O, proto)\nvar $export = require('./_export');\n$export($export.S, 'Object', {setPrototypeOf: require('./_set-proto').set});","require('../../modules/es6.object.set-prototype-of');\nmodule.exports = require('../../modules/_core').Object.setPrototypeOf;","module.exports = { \"default\": require(\"core-js/library/fn/object/set-prototype-of\"), __esModule: true };","var $export = require('./_export')\n// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\n$export($export.S, 'Object', {create: require('./_object-create')});","require('../../modules/es6.object.create');\nvar $Object = require('../../modules/_core').Object;\nmodule.exports = function create(P, D){\n  return $Object.create(P, D);\n};","module.exports = { \"default\": require(\"core-js/library/fn/object/create\"), __esModule: true };","\"use strict\";\n\nexports.__esModule = true;\n\nvar _setPrototypeOf = require(\"../core-js/object/set-prototype-of\");\n\nvar _setPrototypeOf2 = _interopRequireDefault(_setPrototypeOf);\n\nvar _create = require(\"../core-js/object/create\");\n\nvar _create2 = _interopRequireDefault(_create);\n\nvar _typeof2 = require(\"../helpers/typeof\");\n\nvar _typeof3 = _interopRequireDefault(_typeof2);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function (subClass, superClass) {\n  if (typeof superClass !== \"function\" && superClass !== null) {\n    throw new TypeError(\"Super expression must either be null or a function, not \" + (typeof superClass === \"undefined\" ? \"undefined\" : (0, _typeof3.default)(superClass)));\n  }\n\n  subClass.prototype = (0, _create2.default)(superClass && superClass.prototype, {\n    constructor: {\n      value: subClass,\n      enumerable: false,\n      writable: true,\n      configurable: true\n    }\n  });\n  if (superClass) _setPrototypeOf2.default ? (0, _setPrototypeOf2.default)(subClass, superClass) : subClass.__proto__ = superClass;\n};","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/**\n * Contains utility methods that are useful throughout the library.\n *\n * @public\n */\nclass Utilities {\n\n  /**\n   * Returns the absolute value of a given number.\n   *\n   * This method is simply a convenient shorthand for <code>Math.abs</code> while ensuring that nulls are returned as\n   * <code>null</code> instead of zero.\n   *\n   * @param {number} value - the number whose absolute value is to be returned\n   * @return {number} The absolute value of <code>value</code> or <code>null</code> if <code>value</code> is\n   * <code>null</code>.\n   * @public\n   * @static\n   */\n  static abs(value) {\n    return value != null ? Math.abs(value) : null;\n  }\n\n  /**\n   * Returns whether the specified <code>object</code> has a property with the specified <code>name</code> as an own\n   * (not inherited) property.\n   *\n   * @param {Object} object - the object on which the property is to be checked\n   * @param {string} name - the name of the property to be checked\n   * @return {boolean} <code>true</code> if <code>object</code> has an own property with <code>name</code>.\n   * @public\n   * @static\n   */\n  static hasOwn(object, name) {\n    return Object.prototype.hasOwnProperty.call(object, name);\n  }\n\n  /**\n   * Throws an error indicating that the a given method on a specific class has not been implemented.\n   *\n   * @param {string} className - the name of the class on which the method has not been implemented\n   * @param {string} methodName - the name of the method which has not been implemented\n   * @return {void}\n   * @throws {Error} The error describing the class method which has not been implemented.\n   * @public\n   * @static\n   */\n  static throwUnimplemented(className, methodName) {\n    throw new Error(`\"${methodName}\" method must be implemented on the ${className} class`);\n  }\n\n  /**\n   * Transforms the specified <code>string</code> to upper case while remaining null-safe.\n   *\n   * @param {string} string - the string to be transformed to upper case\n   * @return {string} <code>string</code> transformed to upper case if <code>string</code> is not <code>null</code>.\n   * @public\n   * @static\n   */\n  static toUpperCase(string) {\n    return string != null ? string.toUpperCase() : null;\n  }\n\n}\n\nexport default Utilities;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Utilities from '../util/Utilities';\n\n/**\n * Defines a service contract that must be met by all implementations.\n *\n * @public\n */\nclass Service {\n\n  /**\n   * Returns the name of this {@link Service}.\n   *\n   * @return {string} The service name.\n   * @public\n   */\n  getName() {\n    Utilities.throwUnimplemented('Service', 'getName');\n  }\n\n}\n\nexport default Service;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Service from '../Service';\nimport Utilities from '../../util/Utilities';\n\n/**\n * A service for working with elements.\n *\n * @public\n * @extends Service\n */\nclass ElementService extends Service {\n\n  /**\n   * Creates an instance of a canvas element.\n   *\n   * @return {*} The newly created canvas element.\n   * @public\n   */\n  createCanvas() {\n    Utilities.throwUnimplemented('ElementService', 'createCanvas');\n  }\n\n  /**\n   * Creates an instance of a image element.\n   *\n   * @return {*} The newly created image element.\n   * @public\n   */\n  createImage() {\n    Utilities.throwUnimplemented('ElementService', 'createImage');\n  }\n\n  /**\n   * @override\n   */\n  getName() {\n    return 'element';\n  }\n\n  /**\n   * Returns whether the specified <code>element</code> is a canvas.\n   *\n   * @param {*} element - the element to be checked\n   * @return {boolean} <code>true</code> if <code>element</code> is a canvas; otherwise <code>false</code>.\n   * @public\n   */\n  isCanvas(element) {\n    Utilities.throwUnimplemented('ElementService', 'isCanvas');\n  }\n\n  /**\n   * Returns whether the specified <code>element</code> is an image.\n   *\n   * @param {*} element - the element to be checked\n   * @return {boolean} <code>true</code> if <code>element</code> is an image; otherwise <code>false</code>.\n   * @public\n   */\n  isImage(element) {\n    Utilities.throwUnimplemented('ElementService', 'isImage');\n  }\n\n}\n\nexport default ElementService;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Canvas, { Image } from 'canvas';\n\nimport ElementService from './ElementService';\n\n/**\n * An implementation of {@link ElementService} intended for use within a Node.js environment but is only supported when\n * the <code>canvas</code> module has also been depended on.\n *\n * @public\n * @extends ElementService\n */\nclass NodeElementService extends ElementService {\n\n  /**\n   * @override\n   */\n  static isSupported() {\n    return Canvas != null;\n  }\n\n  /**\n   * @override\n   */\n  createCanvas() {\n    return new Canvas();\n  }\n\n  /**\n   * @override\n   */\n  createImage() {\n    return new Image();\n  }\n\n  /**\n   * @override\n   */\n  isCanvas(element) {\n    return element instanceof Canvas;\n  }\n\n  /**\n   * @override\n   */\n  isImage(element) {\n    return element instanceof Image;\n  }\n\n}\n\nexport default NodeElementService;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Utilities from '../util/Utilities';\n\n/**\n * Responsible for rendering a QR code {@link Frame} on a specific type of element.\n *\n * A renderer may be dependant on the rendering of another element, so the ordering of their execution is important.\n *\n * The rendering of a element can be deferred by disabling the renderer initially, however, any attempt get the element\n * from the renderer will result in it being immediately enabled and the element being rendered.\n *\n * @public\n */\nclass Renderer {\n\n  /**\n   * Creates a new instance of {@link Renderer} for the <code>qrious</code> instance and <code>element</code> provided.\n   *\n   * @param {QRious} qrious - the {@link QRious} instance to be used\n   * @param {*} element - the element onto which the QR code is to be rendered\n   * @param {boolean} [enabled] - <code>true</code> this {@link Renderer} is enabled; otherwise <code>false</code>.\n   * @public\n   */\n  constructor(qrious, element, enabled) {\n    /**\n     * The {@link QRious} instance.\n     *\n     * @protected\n     * @type {QRious}\n     */\n    this.qrious = qrious;\n\n    /**\n     * The element onto which this {@link Renderer} is rendering the QR code.\n     *\n     * @protected\n     * @type {*}\n     */\n    this.element = element;\n    this.element.qrious = qrious;\n\n    /**\n     * Whether this {@link Renderer} is enabled.\n     *\n     * @protected\n     * @type {boolean}\n     */\n    this.enabled = Boolean(enabled);\n  }\n\n  /**\n   * Draws the specified QR code <code>frame</code> on the underlying element.\n   *\n   * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.\n   *\n   * @param {Frame} frame - the {@link Frame} to be drawn\n   * @return {void}\n   * @protected\n   */\n  draw(frame) {\n    Utilities.throwUnimplemented('Renderer', 'draw');\n  }\n\n  /**\n   * Returns the element onto which this {@link Renderer} is rendering the QR code.\n   *\n   * If this method is called while this {@link Renderer} is disabled, it will be immediately enabled and rendered\n   * before the element is returned.\n   *\n   * @return {*} The element.\n   * @public\n   */\n  getElement() {\n    if (!this.enabled) {\n      this.enabled = true;\n      this.render();\n    }\n\n    return this.element;\n  }\n\n  /**\n   * Calculates the size (in pixel units) to represent an individual module within the QR code based on the\n   * <code>frame</code> provided.\n   *\n   * Any configured padding will be excluded from the returned size.\n   *\n   * The returned value will be at least one, even in cases where the size of the QR code does not fit its contents.\n   * This is done so that the inevitable clipping is handled more gracefully since this way at least something is\n   * displayed instead of just a blank space filled by the background color.\n   *\n   * @param {Frame} frame - the {@link Frame} from which the module size is to be derived\n   * @return {number} The pixel size for each module in the QR code which will be no less than one.\n   * @protected\n   */\n  getModuleSize(frame) {\n    const qrious = this.qrious;\n    const padding = qrious.padding || 0;\n    const pixels = Math.floor((qrious.size - (padding * 2)) / frame.width);\n\n    return Math.max(1, pixels);\n  }\n\n  /**\n   * Calculates the offset/padding (in pixel units) to be inserted before the QR code based on the <code>frame</code>\n   * provided.\n   *\n   * The returned value will be zero if there is no available offset or if the size of the QR code does not fit its\n   * contents. It will never be a negative value. This is done so that the inevitable clipping appears more naturally\n   * and it is not clipped from all directions.\n   *\n   * @param {Frame} frame - the {@link Frame} from which the offset is to be derived\n   * @return {number} The pixel offset for the QR code which will be no less than zero.\n   * @protected\n   */\n  getOffset(frame) {\n    const qrious = this.qrious;\n    const padding = qrious.padding;\n\n    if (padding != null) {\n      return padding;\n    }\n\n    const moduleSize = this.getModuleSize(frame);\n    const offset = Math.floor((qrious.size - (moduleSize * frame.width)) / 2);\n\n    return Math.max(0, offset);\n  }\n\n  /**\n   * Renders a QR code on the underlying element based on the <code>frame</code> provided.\n   *\n   * @param {Frame} frame - the {@link Frame} to be rendered\n   * @return {void}\n   * @public\n   */\n  render(frame) {\n    if (this.enabled) {\n      this.resize();\n      this.reset();\n      this.draw(frame);\n    }\n  }\n\n  /**\n   * Resets the underlying element, effectively clearing any previously rendered QR code.\n   *\n   * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.\n   *\n   * @return {void}\n   * @protected\n   */\n  reset() {\n    Utilities.throwUnimplemented('Renderer', 'reset');\n  }\n\n  /**\n   * Ensures that the size of the underlying element matches that defined on the associated {@link QRious} instance.\n   *\n   * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.\n   *\n   * @return {void}\n   * @protected\n   */\n  resize() {\n    Utilities.throwUnimplemented('Renderer', 'resize');\n  }\n\n}\n\nexport default Renderer;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Renderer from './Renderer';\n\n/**\n * An implementation of {@link Renderer} for working with <code>canvas</code> elements.\n *\n * @public\n * @extends Renderer\n */\nclass CanvasRenderer extends Renderer {\n\n  /**\n   * @override\n   */\n  draw(frame) {\n    const qrious = this.qrious;\n    const moduleSize = this.getModuleSize(frame);\n    const offset = this.getOffset(frame);\n    const context = this.element.getContext('2d');\n\n    context.fillStyle = qrious.foreground;\n    context.globalAlpha = qrious.foregroundAlpha;\n\n    for (let i = 0; i < frame.width; i++) {\n      for (let j = 0; j < frame.width; j++) {\n        if (frame.buffer[(j * frame.width) + i]) {\n          context.fillRect((moduleSize * i) + offset, (moduleSize * j) + offset, moduleSize, moduleSize);\n        }\n      }\n    }\n  }\n\n  /**\n   * @override\n   */\n  reset() {\n    const qrious = this.qrious;\n    const context = this.element.getContext('2d');\n    const size = qrious.size;\n\n    context.lineWidth = 1;\n    context.clearRect(0, 0, size, size);\n    context.fillStyle = qrious.background;\n    context.globalAlpha = qrious.backgroundAlpha;\n    context.fillRect(0, 0, size, size);\n  }\n\n  /**\n   * @override\n   */\n  resize() {\n    this.element.width = this.element.height = this.qrious.size;\n  }\n\n}\n\nexport default CanvasRenderer;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/* eslint no-multi-spaces: \"off\" */\n\n/**\n * Contains alignment pattern information.\n *\n * @public\n */\nclass Alignment {\n\n  /**\n   * Returns the alignment pattern block.\n   *\n   * @return {number[]} The alignment pattern block.\n   * @public\n   * @static\n   */\n  static get BLOCK() {\n    return [\n      0,  11, 15, 19, 23, 27, 31,\n      16, 18, 20, 22, 24, 26, 28, 20, 22, 24, 24, 26, 28, 28, 22, 24, 24,\n      26, 26, 28, 28, 24, 24, 26, 26, 26, 28, 28, 24, 26, 26, 26, 28, 28\n    ];\n  }\n\n}\n\nexport default Alignment;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/* eslint no-multi-spaces: \"off\" */\n\n/**\n * Contains error correction information.\n *\n * @public\n */\nclass ErrorCorrection {\n\n  /**\n   * Returns the error correction blocks.\n   *\n   * There are four elements per version. The first two indicate the number of blocks, then the data width, and finally\n   * the ECC width.\n   *\n   * @return {number[]} The ECC blocks.\n   * @public\n   * @static\n   */\n  static get BLOCKS() {\n    return [\n      1,  0,  19,  7,     1,  0,  16,  10,    1,  0,  13,  13,    1,  0,  9,   17,\n      1,  0,  34,  10,    1,  0,  28,  16,    1,  0,  22,  22,    1,  0,  16,  28,\n      1,  0,  55,  15,    1,  0,  44,  26,    2,  0,  17,  18,    2,  0,  13,  22,\n      1,  0,  80,  20,    2,  0,  32,  18,    2,  0,  24,  26,    4,  0,  9,   16,\n      1,  0,  108, 26,    2,  0,  43,  24,    2,  2,  15,  18,    2,  2,  11,  22,\n      2,  0,  68,  18,    4,  0,  27,  16,    4,  0,  19,  24,    4,  0,  15,  28,\n      2,  0,  78,  20,    4,  0,  31,  18,    2,  4,  14,  18,    4,  1,  13,  26,\n      2,  0,  97,  24,    2,  2,  38,  22,    4,  2,  18,  22,    4,  2,  14,  26,\n      2,  0,  116, 30,    3,  2,  36,  22,    4,  4,  16,  20,    4,  4,  12,  24,\n      2,  2,  68,  18,    4,  1,  43,  26,    6,  2,  19,  24,    6,  2,  15,  28,\n      4,  0,  81,  20,    1,  4,  50,  30,    4,  4,  22,  28,    3,  8,  12,  24,\n      2,  2,  92,  24,    6,  2,  36,  22,    4,  6,  20,  26,    7,  4,  14,  28,\n      4,  0,  107, 26,    8,  1,  37,  22,    8,  4,  20,  24,    12, 4,  11,  22,\n      3,  1,  115, 30,    4,  5,  40,  24,    11, 5,  16,  20,    11, 5,  12,  24,\n      5,  1,  87,  22,    5,  5,  41,  24,    5,  7,  24,  30,    11, 7,  12,  24,\n      5,  1,  98,  24,    7,  3,  45,  28,    15, 2,  19,  24,    3,  13, 15,  30,\n      1,  5,  107, 28,    10, 1,  46,  28,    1,  15, 22,  28,    2,  17, 14,  28,\n      5,  1,  120, 30,    9,  4,  43,  26,    17, 1,  22,  28,    2,  19, 14,  28,\n      3,  4,  113, 28,    3,  11, 44,  26,    17, 4,  21,  26,    9,  16, 13,  26,\n      3,  5,  107, 28,    3,  13, 41,  26,    15, 5,  24,  30,    15, 10, 15,  28,\n      4,  4,  116, 28,    17, 0,  42,  26,    17, 6,  22,  28,    19, 6,  16,  30,\n      2,  7,  111, 28,    17, 0,  46,  28,    7,  16, 24,  30,    34, 0,  13,  24,\n      4,  5,  121, 30,    4,  14, 47,  28,    11, 14, 24,  30,    16, 14, 15,  30,\n      6,  4,  117, 30,    6,  14, 45,  28,    11, 16, 24,  30,    30, 2,  16,  30,\n      8,  4,  106, 26,    8,  13, 47,  28,    7,  22, 24,  30,    22, 13, 15,  30,\n      10, 2,  114, 28,    19, 4,  46,  28,    28, 6,  22,  28,    33, 4,  16,  30,\n      8,  4,  122, 30,    22, 3,  45,  28,    8,  26, 23,  30,    12, 28, 15,  30,\n      3,  10, 117, 30,    3,  23, 45,  28,    4,  31, 24,  30,    11, 31, 15,  30,\n      7,  7,  116, 30,    21, 7,  45,  28,    1,  37, 23,  30,    19, 26, 15,  30,\n      5,  10, 115, 30,    19, 10, 47,  28,    15, 25, 24,  30,    23, 25, 15,  30,\n      13, 3,  115, 30,    2,  29, 46,  28,    42, 1,  24,  30,    23, 28, 15,  30,\n      17, 0,  115, 30,    10, 23, 46,  28,    10, 35, 24,  30,    19, 35, 15,  30,\n      17, 1,  115, 30,    14, 21, 46,  28,    29, 19, 24,  30,    11, 46, 15,  30,\n      13, 6,  115, 30,    14, 23, 46,  28,    44, 7,  24,  30,    59, 1,  16,  30,\n      12, 7,  121, 30,    12, 26, 47,  28,    39, 14, 24,  30,    22, 41, 15,  30,\n      6,  14, 121, 30,    6,  34, 47,  28,    46, 10, 24,  30,    2,  64, 15,  30,\n      17, 4,  122, 30,    29, 14, 46,  28,    49, 10, 24,  30,    24, 46, 15,  30,\n      4,  18, 122, 30,    13, 32, 46,  28,    48, 14, 24,  30,    42, 32, 15,  30,\n      20, 4,  117, 30,    40, 7,  47,  28,    43, 22, 24,  30,    10, 67, 15,  30,\n      19, 6,  118, 30,    18, 31, 47,  28,    34, 34, 24,  30,    20, 61, 15,  30\n    ];\n  }\n\n  /**\n   * Returns the final format bits with mask (level << 3 | mask).\n   *\n   * @return {number[]} The final format bits.\n   * @public\n   * @static\n   */\n  static get FINAL_FORMAT() {\n    return [\n      // L\n      0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976,\n      // M\n      0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0,\n      // Q\n      0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed,\n      // H\n      0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b\n    ];\n  }\n\n  /**\n   * Returns a map of human-readable ECC levels.\n   *\n   * @return {Object<string, number>} A ECC level mapping.\n   * @public\n   * @static\n   */\n  static get LEVELS() {\n    return {\n      L: 1,\n      M: 2,\n      Q: 3,\n      H: 4\n    };\n  }\n\n}\n\nexport default ErrorCorrection;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/**\n * Contains Galois field information.\n *\n * @public\n */\nclass Galois {\n\n  /**\n   * Returns the Galois field exponent table.\n   *\n   * @return {number[]} The Galois field exponent table.\n   * @public\n   * @static\n   */\n  static get EXPONENT() {\n    return [\n      0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1d, 0x3a, 0x74, 0xe8, 0xcd, 0x87, 0x13, 0x26,\n      0x4c, 0x98, 0x2d, 0x5a, 0xb4, 0x75, 0xea, 0xc9, 0x8f, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0,\n      0x9d, 0x27, 0x4e, 0x9c, 0x25, 0x4a, 0x94, 0x35, 0x6a, 0xd4, 0xb5, 0x77, 0xee, 0xc1, 0x9f, 0x23,\n      0x46, 0x8c, 0x05, 0x0a, 0x14, 0x28, 0x50, 0xa0, 0x5d, 0xba, 0x69, 0xd2, 0xb9, 0x6f, 0xde, 0xa1,\n      0x5f, 0xbe, 0x61, 0xc2, 0x99, 0x2f, 0x5e, 0xbc, 0x65, 0xca, 0x89, 0x0f, 0x1e, 0x3c, 0x78, 0xf0,\n      0xfd, 0xe7, 0xd3, 0xbb, 0x6b, 0xd6, 0xb1, 0x7f, 0xfe, 0xe1, 0xdf, 0xa3, 0x5b, 0xb6, 0x71, 0xe2,\n      0xd9, 0xaf, 0x43, 0x86, 0x11, 0x22, 0x44, 0x88, 0x0d, 0x1a, 0x34, 0x68, 0xd0, 0xbd, 0x67, 0xce,\n      0x81, 0x1f, 0x3e, 0x7c, 0xf8, 0xed, 0xc7, 0x93, 0x3b, 0x76, 0xec, 0xc5, 0x97, 0x33, 0x66, 0xcc,\n      0x85, 0x17, 0x2e, 0x5c, 0xb8, 0x6d, 0xda, 0xa9, 0x4f, 0x9e, 0x21, 0x42, 0x84, 0x15, 0x2a, 0x54,\n      0xa8, 0x4d, 0x9a, 0x29, 0x52, 0xa4, 0x55, 0xaa, 0x49, 0x92, 0x39, 0x72, 0xe4, 0xd5, 0xb7, 0x73,\n      0xe6, 0xd1, 0xbf, 0x63, 0xc6, 0x91, 0x3f, 0x7e, 0xfc, 0xe5, 0xd7, 0xb3, 0x7b, 0xf6, 0xf1, 0xff,\n      0xe3, 0xdb, 0xab, 0x4b, 0x96, 0x31, 0x62, 0xc4, 0x95, 0x37, 0x6e, 0xdc, 0xa5, 0x57, 0xae, 0x41,\n      0x82, 0x19, 0x32, 0x64, 0xc8, 0x8d, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0, 0xdd, 0xa7, 0x53, 0xa6,\n      0x51, 0xa2, 0x59, 0xb2, 0x79, 0xf2, 0xf9, 0xef, 0xc3, 0x9b, 0x2b, 0x56, 0xac, 0x45, 0x8a, 0x09,\n      0x12, 0x24, 0x48, 0x90, 0x3d, 0x7a, 0xf4, 0xf5, 0xf7, 0xf3, 0xfb, 0xeb, 0xcb, 0x8b, 0x0b, 0x16,\n      0x2c, 0x58, 0xb0, 0x7d, 0xfa, 0xe9, 0xcf, 0x83, 0x1b, 0x36, 0x6c, 0xd8, 0xad, 0x47, 0x8e, 0x00\n    ];\n  }\n\n  /**\n   * Returns the Galois field log table.\n   *\n   * @return {number[]} The Galois field log table.\n   * @public\n   * @static\n   */\n  static get LOG() {\n    return [\n      0xff, 0x00, 0x01, 0x19, 0x02, 0x32, 0x1a, 0xc6, 0x03, 0xdf, 0x33, 0xee, 0x1b, 0x68, 0xc7, 0x4b,\n      0x04, 0x64, 0xe0, 0x0e, 0x34, 0x8d, 0xef, 0x81, 0x1c, 0xc1, 0x69, 0xf8, 0xc8, 0x08, 0x4c, 0x71,\n      0x05, 0x8a, 0x65, 0x2f, 0xe1, 0x24, 0x0f, 0x21, 0x35, 0x93, 0x8e, 0xda, 0xf0, 0x12, 0x82, 0x45,\n      0x1d, 0xb5, 0xc2, 0x7d, 0x6a, 0x27, 0xf9, 0xb9, 0xc9, 0x9a, 0x09, 0x78, 0x4d, 0xe4, 0x72, 0xa6,\n      0x06, 0xbf, 0x8b, 0x62, 0x66, 0xdd, 0x30, 0xfd, 0xe2, 0x98, 0x25, 0xb3, 0x10, 0x91, 0x22, 0x88,\n      0x36, 0xd0, 0x94, 0xce, 0x8f, 0x96, 0xdb, 0xbd, 0xf1, 0xd2, 0x13, 0x5c, 0x83, 0x38, 0x46, 0x40,\n      0x1e, 0x42, 0xb6, 0xa3, 0xc3, 0x48, 0x7e, 0x6e, 0x6b, 0x3a, 0x28, 0x54, 0xfa, 0x85, 0xba, 0x3d,\n      0xca, 0x5e, 0x9b, 0x9f, 0x0a, 0x15, 0x79, 0x2b, 0x4e, 0xd4, 0xe5, 0xac, 0x73, 0xf3, 0xa7, 0x57,\n      0x07, 0x70, 0xc0, 0xf7, 0x8c, 0x80, 0x63, 0x0d, 0x67, 0x4a, 0xde, 0xed, 0x31, 0xc5, 0xfe, 0x18,\n      0xe3, 0xa5, 0x99, 0x77, 0x26, 0xb8, 0xb4, 0x7c, 0x11, 0x44, 0x92, 0xd9, 0x23, 0x20, 0x89, 0x2e,\n      0x37, 0x3f, 0xd1, 0x5b, 0x95, 0xbc, 0xcf, 0xcd, 0x90, 0x87, 0x97, 0xb2, 0xdc, 0xfc, 0xbe, 0x61,\n      0xf2, 0x56, 0xd3, 0xab, 0x14, 0x2a, 0x5d, 0x9e, 0x84, 0x3c, 0x39, 0x53, 0x47, 0x6d, 0x41, 0xa2,\n      0x1f, 0x2d, 0x43, 0xd8, 0xb7, 0x7b, 0xa4, 0x76, 0xc4, 0x17, 0x49, 0xec, 0x7f, 0x0c, 0x6f, 0xf6,\n      0x6c, 0xa1, 0x3b, 0x52, 0x29, 0x9d, 0x55, 0xaa, 0xfb, 0x60, 0x86, 0xb1, 0xbb, 0xcc, 0x3e, 0x5a,\n      0xcb, 0x59, 0x5f, 0xb0, 0x9c, 0xa9, 0xa0, 0x51, 0x0b, 0xf5, 0x16, 0xeb, 0x7a, 0x75, 0x2c, 0xd7,\n      0x4f, 0xae, 0xd5, 0xe9, 0xe6, 0xe7, 0xad, 0xe8, 0x74, 0xd6, 0xf4, 0xea, 0xa8, 0x50, 0x58, 0xaf\n    ];\n  }\n\n}\n\nexport default Galois;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/**\n * Contains version pattern information.\n *\n * @public\n */\nclass Version {\n\n  /**\n   * Returns the version pattern block.\n   *\n   * @return {number[]} The version pattern block.\n   * @public\n   * @static\n   */\n  static get BLOCK() {\n    return [\n      0xc94, 0x5bc, 0xa99, 0x4d3, 0xbf6, 0x762, 0x847, 0x60d, 0x928, 0xb78, 0x45d, 0xa17, 0x532,\n      0x9a6, 0x683, 0x8c9, 0x7ec, 0xec4, 0x1e1, 0xfab, 0x08e, 0xc1a, 0x33f, 0xd75, 0x250, 0x9d5,\n      0x6f0, 0x8ba, 0x79f, 0xb0b, 0x42e, 0xa64, 0x541, 0xc69\n    ];\n  }\n\n}\n\nexport default Version;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Alignment from './Alignment';\nimport ErrorCorrection from './ErrorCorrection';\nimport Galois from './Galois';\nimport Version from './Version';\n\n/**\n * Generates information for a QR code frame based on a specific value to be encoded.\n *\n * @public\n */\nclass Frame {\n\n  static _createArray(length) {\n    const array = [];\n\n    for (let i = 0; i < length; i++) {\n      array[i] = 0;\n    }\n\n    return array;\n  }\n\n  static _getMaskBit(x, y) {\n    let bit;\n\n    if (x > y) {\n      bit = x;\n      x = y;\n      y = bit;\n    }\n\n    bit = y;\n    bit += y * y;\n    bit >>= 1;\n    bit += x;\n\n    return bit;\n  }\n\n  static _modN(x) {\n    while (x >= 255) {\n      x -= 255;\n      x = (x >> 8) + (x & 255);\n    }\n\n    return x;\n  }\n\n  // *Badness* coefficients.\n  static get N1() {\n    return 3;\n  }\n  static get N2() {\n    return 3;\n  }\n  static get N3() {\n    return 40;\n  }\n  static get N4() {\n    return 10;\n  }\n\n  /**\n   * Creates an instance of {@link Frame} based on the <code>options</code> provided.\n   *\n   * @param {Frame~Options} options - the options to be used\n   * @public\n   */\n  constructor(options) {\n    this._badness = [];\n    this._level = ErrorCorrection.LEVELS[options.level];\n    this._polynomial = [];\n    this._value = options.value;\n    this._valueLength = this._value.length;\n    this._version = 0;\n    this._stringBuffer = [];\n\n    let dataBlock;\n    let eccBlock;\n    let neccBlock1;\n    let neccBlock2;\n\n    while (this._version < 40) {\n      this._version++;\n\n      let index = ((this._level - 1) * 4) + ((this._version - 1) * 16);\n\n      neccBlock1 = ErrorCorrection.BLOCKS[index++];\n      neccBlock2 = ErrorCorrection.BLOCKS[index++];\n      dataBlock = ErrorCorrection.BLOCKS[index++];\n      eccBlock = ErrorCorrection.BLOCKS[index];\n\n      index = (dataBlock * (neccBlock1 + neccBlock2)) + neccBlock2 - 3 + (this._version <= 9);\n\n      if (this._valueLength <= index) {\n        break;\n      }\n    }\n\n    this._dataBlock = dataBlock;\n    this._eccBlock = eccBlock;\n    this._neccBlock1 = neccBlock1;\n    this._neccBlock2 = neccBlock2;\n\n    /**\n     * The data width is based on version.\n     *\n     * @public\n     * @type {number}\n     */\n    // FIXME: Ensure that it fits instead of being truncated.\n    this.width = 17 + (4 * this._version);\n\n    /**\n     * The image buffer.\n     *\n     * @public\n     * @type {number[]}\n     */\n    this.buffer = Frame._createArray(this.width * this.width);\n\n    this._ecc = Frame._createArray(this._dataBlock + ((this._dataBlock + this._eccBlock) *\n      (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2);\n    this._mask = Frame._createArray(((this.width * (this.width + 1)) + 1) / 2);\n\n    this._insertFinders();\n    this._insertAlignments();\n\n    // Insert single foreground cell.\n    this.buffer[8 + (this.width * (this.width - 8))] = 1;\n\n    this._insertTimingGap();\n    this._reverseMask();\n    this._insertTimingRowAndColumn();\n    this._insertVersion();\n    this._syncMask();\n    this._convertBitStream(this._value.length);\n    this._calculatePolynomial();\n    this._appendEccToData();\n    this._interleaveBlocks();\n    this._pack();\n    this._finish();\n  }\n\n  _addAlignment(x, y) {\n    this.buffer[x + (this.width * y)] = 1;\n\n    for (let i = -2; i < 2; i++) {\n      this.buffer[x + i + (this.width * (y - 2))] = 1;\n      this.buffer[x - 2 + (this.width * (y + i + 1))] = 1;\n      this.buffer[x + 2 + (this.width * (y + i))] = 1;\n      this.buffer[x + i + 1 + (this.width * (y + 2))] = 1;\n    }\n\n    for (let i = 0; i < 2; i++) {\n      this._setMask(x - 1, y + i);\n      this._setMask(x + 1, y - i);\n      this._setMask(x - i, y - 1);\n      this._setMask(x + i, y + 1);\n    }\n  }\n\n  _appendData(data, dataLength, ecc, eccLength) {\n    for (let i = 0; i < eccLength; i++) {\n      this._stringBuffer[ecc + i] = 0;\n    }\n\n    for (let i = 0; i < dataLength; i++) {\n      const bit = Galois.LOG[this._stringBuffer[data + i] ^ this._stringBuffer[ecc]];\n\n      if (bit !== 255) {\n        for (let j = 1; j < eccLength; j++) {\n          this._stringBuffer[ecc + j - 1] = this._stringBuffer[ecc + j] ^\n            Galois.EXPONENT[Frame._modN(bit + this._polynomial[eccLength - j])];\n        }\n      } else {\n        for (let j = ecc; j < ecc + eccLength; j++) {\n          this._stringBuffer[j] = this._stringBuffer[j + 1];\n        }\n      }\n\n      this._stringBuffer[ecc + eccLength - 1] = bit === 255 ? 0\n        : Galois.EXPONENT[Frame._modN(bit + this._polynomial[0])];\n    }\n  }\n\n  _appendEccToData() {\n    let data = 0;\n    let ecc = this._calculateMaxLength();\n\n    for (let i = 0; i < this._neccBlock1; i++) {\n      this._appendData(data, this._dataBlock, ecc, this._eccBlock);\n\n      data += this._dataBlock;\n      ecc += this._eccBlock;\n    }\n\n    for (let i = 0; i < this._neccBlock2; i++) {\n      this._appendData(data, this._dataBlock + 1, ecc, this._eccBlock);\n\n      data += this._dataBlock + 1;\n      ecc += this._eccBlock;\n    }\n  }\n\n  _applyMask(mask) {\n    const width = this.width;\n\n    switch (mask) {\n    case 0:\n      for (let y = 0; y < width; y++) {\n        for (let x = 0; x < width; x++) {\n          if (!((x + y) & 1) && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 1:\n      for (let y = 0; y < width; y++) {\n        for (let x = 0; x < width; x++) {\n          if (!(y & 1) && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 2:\n      for (let y = 0; y < width; y++) {\n        for (let r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!r3x && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 3:\n      for (let r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (let r3x = r3y, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!r3x && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 4:\n      for (let y = 0; y < width; y++) {\n        for (let r3x = 0, r3y = (y >> 1) & 1, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n            r3y = !r3y;\n          }\n\n          if (!r3y && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 5:\n      for (let r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (let r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!((x & y & 1) + !(!r3x | !r3y)) && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 6:\n      for (let r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (let r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!((x & y & 1) + (r3x && r3x === r3y) & 1) && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 7:\n      for (let r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (let r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!((r3x && r3x === r3y) + (x + y & 1) & 1) && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    }\n  }\n\n  _calculateMaxLength() {\n    return (this._dataBlock * (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2;\n  }\n\n  _calculatePolynomial() {\n    this._polynomial[0] = 1;\n\n    for (let i = 0; i < this._eccBlock; i++) {\n      this._polynomial[i + 1] = 1;\n\n      for (let j = i; j > 0; j--) {\n        this._polynomial[j] = this._polynomial[j] ? this._polynomial[j - 1] ^\n          Galois.EXPONENT[Frame._modN(Galois.LOG[this._polynomial[j]] + i)] : this._polynomial[j - 1];\n      }\n\n      this._polynomial[0] = Galois.EXPONENT[Frame._modN(Galois.LOG[this._polynomial[0]] + i)];\n    }\n\n    // Use logs for generator polynomial to save calculation step.\n    for (let i = 0; i <= this._eccBlock; i++) {\n      this._polynomial[i] = Galois.LOG[this._polynomial[i]];\n    }\n  }\n\n  _checkBadness() {\n    let bad = 0;\n    const width = this.width;\n\n    // Blocks of same colour.\n    for (let y = 0; y < width - 1; y++) {\n      for (let x = 0; x < width - 1; x++) {\n        // All foreground colour.\n        if ((this.buffer[x + (width * y)] &&\n          this.buffer[x + 1 + (width * y)] &&\n          this.buffer[x + (width * (y + 1))] &&\n          this.buffer[x + 1 + (width * (y + 1))]) ||\n          // All background colour.\n          !(this.buffer[x + (width * y)] ||\n          this.buffer[x + 1 + (width * y)] ||\n          this.buffer[x + (width * (y + 1))] ||\n          this.buffer[x + 1 + (width * (y + 1))])) {\n          bad += Frame.N2;\n        }\n      }\n    }\n\n    let bw = 0;\n\n    // X runs.\n    for (let y = 0; y < width; y++) {\n      let h = 0;\n\n      this._badness[0] = 0;\n\n      for (let b = 0, x = 0; x < width; x++) {\n        const b1 = this.buffer[x + (width * y)];\n\n        if (b === b1) {\n          this._badness[h]++;\n        } else {\n          this._badness[++h] = 1;\n        }\n\n        b = b1;\n        bw += b ? 1 : -1;\n      }\n\n      bad += this._getBadness(h);\n    }\n\n    if (bw < 0) {\n      bw = -bw;\n    }\n\n    let count = 0;\n    let big = bw;\n    big += big << 2;\n    big <<= 1;\n\n    while (big > width * width) {\n      big -= width * width;\n      count++;\n    }\n\n    bad += count * Frame.N4;\n\n    // Y runs.\n    for (let x = 0; x < width; x++) {\n      let h = 0;\n\n      this._badness[0] = 0;\n\n      for (let b = 0, y = 0; y < width; y++) {\n        const b1 = this.buffer[x + (width * y)];\n\n        if (b === b1) {\n          this._badness[h]++;\n        } else {\n          this._badness[++h] = 1;\n        }\n\n        b = b1;\n      }\n\n      bad += this._getBadness(h);\n    }\n\n    return bad;\n  }\n\n  _convertBitStream(length) {\n    // Convert string to bit stream. 8-bit data to QR-coded 8-bit data (numeric, alphanumeric, or kanji not supported).\n    for (let i = 0; i < length; i++) {\n      this._ecc[i] = this._value.charCodeAt(i);\n    }\n\n    this._stringBuffer = this._ecc.slice(0);\n\n    const maxLength = this._calculateMaxLength();\n\n    if (length >= maxLength - 2) {\n      length = maxLength - 2;\n\n      if (this._version > 9) {\n        length--;\n      }\n    }\n\n    // Shift and re-pack to insert length prefix.\n    let index = length;\n\n    if (this._version > 9) {\n      this._stringBuffer[index + 2] = 0;\n      this._stringBuffer[index + 3] = 0;\n\n      while (index--) {\n        const bit = this._stringBuffer[index];\n\n        this._stringBuffer[index + 3] |= 255 & (bit << 4);\n        this._stringBuffer[index + 2] = bit >> 4;\n      }\n\n      this._stringBuffer[2] |= 255 & (length << 4);\n      this._stringBuffer[1] = length >> 4;\n      this._stringBuffer[0] = 0x40 | (length >> 12);\n    } else {\n      this._stringBuffer[index + 1] = 0;\n      this._stringBuffer[index + 2] = 0;\n\n      while (index--) {\n        const bit = this._stringBuffer[index];\n\n        this._stringBuffer[index + 2] |= 255 & (bit << 4);\n        this._stringBuffer[index + 1] = bit >> 4;\n      }\n\n      this._stringBuffer[1] |= 255 & (length << 4);\n      this._stringBuffer[0] = 0x40 | (length >> 4);\n    }\n\n    // Fill to end with pad pattern.\n    index = length + 3 - (this._version < 10);\n\n    while (index < maxLength) {\n      this._stringBuffer[index++] = 0xec;\n      this._stringBuffer[index++] = 0x11;\n    }\n  }\n\n  _getBadness(length) {\n    let badRuns = 0;\n\n    for (let i = 0; i <= length; i++) {\n      if (this._badness[i] >= 5) {\n        badRuns += Frame.N1 + this._badness[i] - 5;\n      }\n    }\n\n    // FBFFFBF as in finder.\n    for (let i = 3; i < length - 1; i += 2) {\n      if (this._badness[i - 2] === this._badness[i + 2] &&\n        this._badness[i + 2] === this._badness[i - 1] &&\n        this._badness[i - 1] === this._badness[i + 1] &&\n        this._badness[i - 1] * 3 === this._badness[i] &&\n        // Background around the foreground pattern? Not part of the specs.\n        (this._badness[i - 3] === 0 || i + 3 > length ||\n        this._badness[i - 3] * 3 >= this._badness[i] * 4 ||\n        this._badness[i + 3] * 3 >= this._badness[i] * 4)) {\n        badRuns += Frame.N3;\n      }\n    }\n\n    return badRuns;\n  }\n\n  _finish() {\n    // Save pre-mask copy of frame.\n    this._stringBuffer = this.buffer.slice(0);\n\n    let bit = 0;\n    let i;\n    let mask = 30000;\n\n    /*\n     * Using for instead of while since in original Arduino code if an early mask was \"good enough\" it wouldn't try for\n     * a better one since they get more complex and take longer.\n     */\n    for (i = 0; i < 8; i++) {\n      // Returns foreground-background imbalance.\n      this._applyMask(i);\n\n      const currentMask = this._checkBadness();\n\n      // Is current mask better than previous best?\n      if (currentMask < mask) {\n        mask = currentMask;\n        bit = i;\n      }\n\n      // Don't increment \"i\" to a void redoing mask.\n      if (bit === 7) {\n        break;\n      }\n\n      // Reset for next pass.\n      this.buffer = this._stringBuffer.slice(0);\n    }\n\n    // Redo best mask as none were \"good enough\" (i.e. last wasn't bit).\n    if (bit !== i) {\n      this._applyMask(bit);\n    }\n\n    // Add in final mask/ECC level bytes.\n    mask = ErrorCorrection.FINAL_FORMAT[bit + (this._level - 1 << 3)];\n\n    // Low byte.\n    for (i = 0; i < 8; i++, mask >>= 1) {\n      if (mask & 1) {\n        this.buffer[this.width - 1 - i + (this.width * 8)] = 1;\n\n        if (i < 6) {\n          this.buffer[8 + (this.width * i)] = 1;\n        } else {\n          this.buffer[8 + (this.width * (i + 1))] = 1;\n        }\n      }\n    }\n\n    // High byte.\n    for (i = 0; i < 7; i++, mask >>= 1) {\n      if (mask & 1) {\n        this.buffer[8 + (this.width * (this.width - 7 + i))] = 1;\n\n        if (i) {\n          this.buffer[6 - i + (this.width * 8)] = 1;\n        } else {\n          this.buffer[7 + (this.width * 8)] = 1;\n        }\n      }\n    }\n  }\n\n  _interleaveBlocks() {\n    const maxLength = this._calculateMaxLength();\n    let i;\n    let k = 0;\n\n    for (i = 0; i < this._dataBlock; i++) {\n      for (let j = 0; j < this._neccBlock1; j++) {\n        this._ecc[k++] = this._stringBuffer[i + (j * this._dataBlock)];\n      }\n\n      for (let j = 0; j < this._neccBlock2; j++) {\n        this._ecc[k++] = this._stringBuffer[(this._neccBlock1 * this._dataBlock) + i + (j * (this._dataBlock + 1))];\n      }\n    }\n\n    for (let j = 0; j < this._neccBlock2; j++) {\n      this._ecc[k++] = this._stringBuffer[(this._neccBlock1 * this._dataBlock) + i + (j * (this._dataBlock + 1))];\n    }\n\n    for (i = 0; i < this._eccBlock; i++) {\n      for (let j = 0; j < this._neccBlock1 + this._neccBlock2; j++) {\n        this._ecc[k++] = this._stringBuffer[maxLength + i + (j * this._eccBlock)];\n      }\n    }\n\n    this._stringBuffer = this._ecc;\n  }\n\n  _insertAlignments() {\n    const width = this.width;\n\n    if (this._version > 1) {\n      const i = Alignment.BLOCK[this._version];\n      let y = width - 7;\n\n      for (;;) {\n        let x = width - 7;\n\n        while (x > i - 3) {\n          this._addAlignment(x, y);\n\n          if (x < i) {\n            break;\n          }\n\n          x -= i;\n        }\n\n        if (y <= i + 9) {\n          break;\n        }\n\n        y -= i;\n\n        this._addAlignment(6, y);\n        this._addAlignment(y, 6);\n      }\n    }\n  }\n\n  _insertFinders() {\n    const width = this.width;\n\n    for (let i = 0; i < 3; i++) {\n      let j = 0;\n      let y = 0;\n\n      if (i === 1) {\n        j = width - 7;\n      }\n      if (i === 2) {\n        y = width - 7;\n      }\n\n      this.buffer[y + 3 + (width * (j + 3))] = 1;\n\n      for (let x = 0; x < 6; x++) {\n        this.buffer[y + x + (width * j)] = 1;\n        this.buffer[y + (width * (j + x + 1))] = 1;\n        this.buffer[y + 6 + (width * (j + x))] = 1;\n        this.buffer[y + x + 1 + (width * (j + 6))] = 1;\n      }\n\n      for (let x = 1; x < 5; x++) {\n        this._setMask(y + x, j + 1);\n        this._setMask(y + 1, j + x + 1);\n        this._setMask(y + 5, j + x);\n        this._setMask(y + x + 1, j + 5);\n      }\n\n      for (let x = 2; x < 4; x++) {\n        this.buffer[y + x + (width * (j + 2))] = 1;\n        this.buffer[y + 2 + (width * (j + x + 1))] = 1;\n        this.buffer[y + 4 + (width * (j + x))] = 1;\n        this.buffer[y + x + 1 + (width * (j + 4))] = 1;\n      }\n    }\n  }\n\n  _insertTimingGap() {\n    const width = this.width;\n\n    for (let y = 0; y < 7; y++) {\n      this._setMask(7, y);\n      this._setMask(width - 8, y);\n      this._setMask(7, y + width - 7);\n    }\n\n    for (let x = 0; x < 8; x++) {\n      this._setMask(x, 7);\n      this._setMask(x + width - 8, 7);\n      this._setMask(x, width - 8);\n    }\n  }\n\n  _insertTimingRowAndColumn() {\n    const width = this.width;\n\n    for (let x = 0; x < width - 14; x++) {\n      if (x & 1) {\n        this._setMask(8 + x, 6);\n        this._setMask(6, 8 + x);\n      } else {\n        this.buffer[8 + x + (width * 6)] = 1;\n        this.buffer[6 + (width * (8 + x))] = 1;\n      }\n    }\n  }\n\n  _insertVersion() {\n    const width = this.width;\n\n    if (this._version > 6) {\n      const i = Version.BLOCK[this._version - 7];\n      let j = 17;\n\n      for (let x = 0; x < 6; x++) {\n        for (let y = 0; y < 3; y++, j--) {\n          if (1 & (j > 11 ? this._version >> j - 12 : i >> j)) {\n            this.buffer[5 - x + (width * (2 - y + width - 11))] = 1;\n            this.buffer[2 - y + width - 11 + (width * (5 - x))] = 1;\n          } else {\n            this._setMask(5 - x, 2 - y + width - 11);\n            this._setMask(2 - y + width - 11, 5 - x);\n          }\n        }\n      }\n    }\n  }\n\n  _isMasked(x, y) {\n    const bit = Frame._getMaskBit(x, y);\n\n    return this._mask[bit] === 1;\n  }\n\n  _pack() {\n    let x = this.width - 1;\n    let y = this.width - 1;\n    let k = 1;\n    let v = 1;\n\n    // Interleaved data and ECC codes.\n    const length = ((this._dataBlock + this._eccBlock) * (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2;\n\n    for (let i = 0; i < length; i++) {\n      let bit = this._stringBuffer[i];\n\n      for (let j = 0; j < 8; j++, bit <<= 1) {\n        if (0x80 & bit) {\n          this.buffer[x + (this.width * y)] = 1;\n        }\n\n        // Find next fill position.\n        do {\n          if (v) {\n            x--;\n          } else {\n            x++;\n\n            if (k) {\n              if (y !== 0) {\n                y--;\n              } else {\n                x -= 2;\n                k = !k;\n\n                if (x === 6) {\n                  x--;\n                  y = 9;\n                }\n              }\n            } else if (y !== this.width - 1) {\n              y++;\n            } else {\n              x -= 2;\n              k = !k;\n\n              if (x === 6) {\n                x--;\n                y -= 8;\n              }\n            }\n          }\n\n          v = !v;\n        } while (this._isMasked(x, y));\n      }\n    }\n  }\n\n  _reverseMask() {\n    const width = this.width;\n\n    for (let x = 0; x < 9; x++) {\n      this._setMask(x, 8);\n    }\n\n    for (let x = 0; x < 8; x++) {\n      this._setMask(x + width - 8, 8);\n      this._setMask(8, x);\n    }\n\n    for (let y = 0; y < 7; y++) {\n      this._setMask(8, y + width - 7);\n    }\n  }\n\n  _setMask(x, y) {\n    const bit = Frame._getMaskBit(x, y);\n\n    this._mask[bit] = 1;\n  }\n\n  _syncMask() {\n    const width = this.width;\n\n    for (let y = 0; y < width; y++) {\n      for (let x = 0; x <= y; x++) {\n        if (this.buffer[x + (width * y)]) {\n          this._setMask(x, y);\n        }\n      }\n    }\n  }\n\n}\n\nexport default Frame;\n\n/**\n * The options used by {@link Frame}.\n *\n * @typedef {Object} Frame~Options\n * @property {string} level - The ECC level to be used.\n * @property {string} value - The value to be encoded.\n */\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Renderer from './Renderer';\n\n/**\n * An implementation of {@link Renderer} for working with <code>img</code> elements.\n *\n * This depends on {@link CanvasRenderer} being executed first as this implementation simply applies the data URL from\n * the rendered <code>canvas</code> element as the <code>src</code> for the <code>img</code> element being rendered.\n *\n * @public\n * @extends Renderer\n */\nclass ImageRenderer extends Renderer {\n\n  /**\n   * @override\n   */\n  draw() {\n    this.element.src = this.qrious.toDataURL();\n  }\n\n  /**\n   * @override\n   */\n  reset() {\n    this.element.src = '';\n  }\n\n  /**\n   * @override\n   */\n  resize() {\n    this.element.width = this.element.height = this.qrious.size;\n  }\n\n}\n\nexport default ImageRenderer;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/**\n * Defines an available option while also configuring how values are applied to the target object.\n *\n * While a value associated with an option can be changed on the target object, the option definition itself is\n * immutable.\n *\n * @public\n */\nclass Option {\n\n  /**\n   * Creates a new instance of {@link Option} based on the <code>name</code> provided.\n   *\n   * Optionally, a <code>defaultValue</code> can be specified as well a <code>valueTransformer</code> and\n   * <code>fieldNameResolver</code> for greater control over how the option value is applied.\n   *\n   * If no <code>valueTransformer</code> is specified, then any specified option will be applied directly.\n   *\n   * If no <code>fieldNameResolver</code> is specified, then the field name will be resolved to <code>name</code>\n   * prefixed with a single underscore when the option is applied.\n   *\n   * @param {string} name - the name to be used\n   * @param {*} [defaultValue] - the default value to be used\n   * @param {Option~ValueTransformer} [valueTransformer] - the value transformer to be used\n   * @param {Option~FieldNameResolver} [fieldNameResolver] - the field name resolver to be used\n   * @public\n   */\n  constructor(name, defaultValue, valueTransformer, fieldNameResolver) {\n    this._name = name;\n    this._defaultValue = defaultValue;\n    this._valueTransformer = valueTransformer;\n    this._fieldName = typeof fieldNameResolver === 'function' ? fieldNameResolver(this) : `_${name}`;\n  }\n\n  /**\n   * Transforms the specified <code>value</code> so that it can be applied for this {@link Option}.\n   *\n   * If a value transformer has been specified for this {@link Option}, it will be called upon to transform\n   * <code>value</code>. Otherwise, <code>value</code> will be returned directly.\n   *\n   * @param {*} value - the value to be transformed\n   * @return {*} The transformed value or <code>value</code> if no value transformer is specified.\n   * @public\n   */\n  transform(value) {\n    const transformer = this._valueTransformer;\n    if (typeof transformer === 'function') {\n      return transformer(value, this);\n    }\n\n    return value;\n  }\n\n  /**\n   * Returns the field name for this {@link Option}.\n   *\n   * @return {string} The field name.\n   * @public\n   */\n  get fieldName() {\n    return this._fieldName;\n  }\n\n  /**\n   * Returns the name for this {@link Option}.\n   *\n   * @return {string} The name.\n   * @public\n   */\n  get name() {\n    return this._name;\n  }\n\n  /**\n   * Returns the default value for this {@link Option}.\n   *\n   * @return {*} The default value.\n   * @public\n   */\n  get defaultValue() {\n    return this._defaultValue;\n  }\n\n}\n\nexport default Option;\n\n/**\n * Returns the field name to which the specified <code>option</code> is associated on the target object.\n *\n * The resolved name will be used to identify the field that values for <code>option</code> are to be read from and\n * written to.\n *\n * This function will only called once for <code>option</code>, upon initialization.\n *\n * @callback Option~FieldNameResolver\n * @param {Option} option - the {@link Option} whose field name is to be resolved\n * @return {string} The resolved field name for <code>option</code>.\n */\n\n/**\n * Returns a transformed value for the specified <code>value</code> to be applied for the <code>option</code> provided.\n *\n * @callback Option~ValueTransformer\n * @param {*} value - the value to be transformed\n * @param {Option} option - the {@link Option} for which <code>value</code> is being transformed\n * @return {*} The transform value.\n */\n","var getKeys   = require('./_object-keys')\n  , toIObject = require('./_to-iobject')\n  , isEnum    = require('./_object-pie').f;\nmodule.exports = function(isEntries){\n  return function(it){\n    var O      = toIObject(it)\n      , keys   = getKeys(O)\n      , length = keys.length\n      , i      = 0\n      , result = []\n      , key;\n    while(length > i)if(isEnum.call(O, key = keys[i++])){\n      result.push(isEntries ? [key, O[key]] : O[key]);\n    } return result;\n  };\n};","// https://github.com/tc39/proposal-object-values-entries\nvar $export = require('./_export')\n  , $values = require('./_object-to-array')(false);\n\n$export($export.S, 'Object', {\n  values: function values(it){\n    return $values(it);\n  }\n});","require('../../modules/es7.object.values');\nmodule.exports = require('../../modules/_core').Object.values;","module.exports = { \"default\": require(\"core-js/library/fn/object/values\"), __esModule: true };","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Utilities from '../util/Utilities';\n\n/**\n * Manages multiple {@link Option} instances that are intended to be used by multiple implementations.\n *\n * Although the option definitions are shared between targets, the values are maintained on the targets themselves.\n *\n * While a value associated with each option can be changed on the target objects, the manager and the option\n * definitions themselves are immutable.\n *\n * @public\n */\nclass OptionManager {\n\n  static _get(option, target) {\n    return target[option.fieldName];\n  }\n\n  static _set(option, value, target) {\n    const fieldName = option.fieldName;\n    const oldValue = target[fieldName];\n    const newValue = option.transform(value != null ? value : option.defaultValue);\n\n    target[fieldName] = newValue;\n\n    return newValue !== oldValue;\n  }\n\n  /**\n   * Creates a new instance of {@link OptionManager} for the specified available <code>options</code>.\n   *\n   * @param {Option[]} options - the options to be used\n   * @public\n   */\n  constructor(options) {\n    this._options = {};\n\n    options.forEach((option) => {\n      this._options[option.name] = option;\n    });\n  }\n\n  /**\n   * Sets the default values for all of the available options on the <code>target</code> object provided.\n   *\n   * @param {Object} target - the object on which the default values are to be set for each available option\n   * @return {void}\n   * @public\n   */\n  applyDefaults(target) {\n    const options = this._options;\n\n    for (const name in options) {\n      if (Utilities.hasOwn(options, name)) {\n        const option = options[name];\n\n        OptionManager._set(option, option.defaultValue, target);\n      }\n    }\n  }\n\n  /**\n   * Returns whether an option with the specified <code>name</code> is available.\n   *\n   * @param {string} name - the name of the {@link Option} whose existence is to be checked\n   * @return {boolean} <code>true</code> if an {@link Option} exists with <code>name</code>; otherwise\n   * <code>false</code>.\n   * @public\n   */\n  exists(name) {\n    return this._options[name] != null;\n  }\n\n  /**\n   * Returns the value of the option with the specified <code>name</code> on the <code>target</code> object provided.\n   *\n   * @param {string} name - the name of the {@link Option} whose value on <code>target</code> is to be returned\n   * @param {Object} target - the object from which the value of the named {@link Option} is to be returned\n   * @return {*} The value of the {@link Option} with <code>name</code> on <code>target</code>.\n   * @public\n   */\n  get(name, target) {\n    return OptionManager._get(this._options[name], target);\n  }\n\n  /**\n   * Returns a copy of all of the available options on the <code>target</code> object provided.\n   *\n   * @param {Object} target - the object from which the option name/value pairs are to be returned\n   * @return {Object.<string, *>} A hash containing the name/value pairs of all options on <code>target</code>.\n   * @public\n   */\n  getAll(target) {\n    const options = this._options;\n    const result = {};\n\n    for (const name in options) {\n      if (Utilities.hasOwn(options, name)) {\n        result[name] = OptionManager._get(options[name], target);\n      }\n    }\n\n    return result;\n  }\n\n  /**\n   * Sets the value of the option with the specified <code>name</code> on the <code>target</code> object provided to\n   * <code>value</code>.\n   *\n   * This method will throw an error if <code>name</code> does not match an available option.\n   *\n   * If <code>value</code> is <code>null</code> and the {@link Option} has a default value configured, then that default\n   * value will be used instead. If the {@link Option} also has a value transformer configured, it will be used to\n   * transform whichever value was determined to be used.\n   *\n   * This method returns whether the value of the underlying field on <code>target</code> was changed as a result.\n   *\n   * @param {string} name - the name of the {@link Option} whose value is to be set\n   * @param {*} value - the value to be set for the named {@link Option} on <code>target</code>\n   * @param {Object} target - the object on which <code>value</code> is to be set for the named {@link Option}\n   * @return {boolean} <code>true</code> if the underlying field on <code>target</code> was changed; otherwise\n   * <code>false</code>.\n   * @throws {Error} If no {@link Option} is being managed with <code>name</code>.\n   * @public\n   */\n  set(name, value, target) {\n    const option = this._options[name];\n    if (!option) {\n      throw new Error(`Invalid option: ${name}`);\n    }\n\n    return OptionManager._set(option, value, target);\n  }\n\n  /**\n   * Sets all of the specified <code>options</code> on the <code>target</code> object provided to their corresponding\n   * values.\n   *\n   * This method will throw an error if any of the names within <code>options</code> does not match an available option.\n   *\n   * If any value within <code>options</code> is <code>null</code> and the corresponding {@link Option} has a default\n   * value configured, then that default value will be used instead. If an {@link Option} also has a value transformer\n   * configured, it will be used to transform whichever value was determined to be used.\n   *\n   * This method returns whether the value for any of the underlying fields on <code>target</code> were changed as a\n   * result.\n   *\n   * @param {Object.<string, *>} options - the name/value pairs of options to be set\n   * @param {Object} target - the object on which the options are to be set\n   * @return {boolean} <code>true</code> if any of the underlying fields on <code>target</code> were changed; otherwise\n   * <code>false</code>.\n   * @throws {Error} If no {@link Option} is being managed with for any of the names within <code>options</code>.\n   * @public\n   */\n  setAll(options, target) {\n    if (!options) {\n      return false;\n    }\n\n    let changed = false;\n\n    for (const name in options) {\n      if (Utilities.hasOwn(options, name) && this.set(name, options[name], target)) {\n        changed = true;\n      }\n    }\n\n    return changed;\n  }\n\n  /**\n   * Returns a copy of the available options for this {@link OptionManager}.\n   *\n   * @return {Option[]} The available options.\n   * @public\n   */\n  get options() {\n    return Object.values(this._options);\n  }\n\n}\n\nexport default OptionManager;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/**\n * A basic manager for {@link Service} implementations that are mapped to simple names.\n *\n * @public\n */\nclass ServiceManager {\n\n  /**\n   * Creates a new instance of {@link ServiceManager}.\n   *\n   * @public\n   */\n  constructor() {\n    this._services = {};\n  }\n\n  /**\n   * Returns the {@link Service} being managed with the specified <code>name</code>.\n   *\n   * @param {string} name - the name of the {@link Service} to be returned\n   * @return {Service} The {@link Service} is being managed with <code>name</code>.\n   * @throws {Error} If no {@link Service} is being managed with <code>name</code>.\n   * @public\n   */\n  getService(name) {\n    const service = this._services[name];\n    if (!service) {\n      throw new Error(`Service is not being managed with name: ${name}`);\n    }\n\n    return service;\n  }\n\n  /**\n   * Sets the {@link Service} implementation to be managed for the specified <code>name</code> to the\n   * <code>service</code> provided.\n   *\n   * @param {string} name - the name of the {@link Service} to be managed with <code>name</code>\n   * @param {Service} service - the {@link Service} implementation to be managed\n   * @return {void}\n   * @throws {Error} If a {@link Service} is already being managed with the same <code>name</code>.\n   * @public\n   */\n  setService(name, service) {\n    if (this._services[name]) {\n      throw new Error(`Service is already managed with name: ${name}`);\n    }\n\n    if (service) {\n      this._services[name] = service;\n    }\n  }\n\n}\n\nexport default ServiceManager;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport CanvasRenderer from './renderer/CanvasRenderer';\nimport Frame from './Frame';\nimport ImageRenderer from './renderer/ImageRenderer';\nimport Option from './option/Option';\nimport OptionManager from './option/OptionManager';\nimport ServiceManager from './service/ServiceManager';\nimport Utilities from './util/Utilities';\n\nconst optionManager = new OptionManager([\n  new Option('background', 'white'),\n  new Option('backgroundAlpha', 1, Utilities.abs),\n  new Option('element'),\n  new Option('foreground', 'black'),\n  new Option('foregroundAlpha', 1, Utilities.abs),\n  new Option('level', 'L', Utilities.toUpperCase),\n  new Option('mime', 'image/png'),\n  new Option('padding', null, Utilities.abs),\n  new Option('size', 100, Utilities.abs),\n  new Option('value', '')\n]);\nconst serviceManager = new ServiceManager();\n\n/**\n * Enables configuration of a QR code generator which uses HTML5 <code>canvas</code> for rendering.\n *\n * @public\n */\nclass QRious {\n\n  /**\n   * Returns the default options for {@link QRious}.\n   *\n   * @return {QRious~Options} The default options.\n   * @deprecated Since 2.3.0\n   * @public\n   * @static\n   */\n  static get DEFAULTS() {\n    const result = {};\n\n    optionManager.options.forEach((option) => {\n      result[option.name] = option.defaultValue;\n    });\n\n    return result;\n  }\n\n  /**\n   * Returns the current version of {@link QRious}.\n   *\n   * @return {string} The current version.\n   * @public\n   * @static\n   */\n  static get VERSION() {\n    return '2.3.0';\n  }\n\n  /**\n   * Configures the <code>service</code> provided to be used by all {@link QRious} instances.\n   *\n   * @param {Service} service - the {@link Service} to be configured\n   * @return {void}\n   * @throws {Error} If a {@link Service} has already been configured with the same name.\n   * @public\n   * @static\n   */\n  static use(service) {\n    serviceManager.setService(service.getName(), service);\n  }\n\n  /**\n   * Creates a new instance of {@link QRious} based on the <code>options</code> provided.\n   *\n   * @param {QRious~Options} [options] - the options to be used\n   * @throws {Error} If any <code>options</code> are invalid.\n   * @public\n   */\n  constructor(options) {\n    optionManager.applyDefaults(this);\n    optionManager.setAll(options, this);\n\n    const element = optionManager.get('element', this);\n    const elementService = serviceManager.getService('element');\n    const canvas = element && elementService.isCanvas(element) ? element : elementService.createCanvas();\n    const image = element && elementService.isImage(element) ? element : elementService.createImage();\n\n    this._canvasRenderer = new CanvasRenderer(this, canvas, true);\n    this._imageRenderer = new ImageRenderer(this, image, image === element);\n\n    this.update();\n  }\n\n  /**\n   * Returns all of the options configured for this {@link QRious}.\n   *\n   * Any changes made to the returned object will not be reflected in the options themselves or their corresponding\n   * underlying fields.\n   *\n   * @return {Object.<string, *>} A copy of the applied options.\n   * @public\n   */\n  get() {\n    return optionManager.getAll(this);\n  }\n\n  /**\n   * Sets all of the specified <code>options</code> and automatically updates this {@link QRious} if any of the\n   * underlying fields are changed as a result.\n   *\n   * This is the preferred method for updating multiple options at one time to avoid unnecessary updates between\n   * changes.\n   *\n   * @param {QRious~Options} options - the options to be set\n   * @return {void}\n   * @throws {Error} If any <code>options</code> are invalid.\n   * @public\n   */\n  set(options) {\n    if (optionManager.setAll(options, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the image data URI for the generated QR code using the <code>mime</code> provided.\n   *\n   * @param {string} [mime] - the MIME type for the image\n   * @return {string} The image data URI for the QR code.\n   * @public\n   */\n  toDataURL(mime) {\n    return this.canvas.toDataURL(mime || this.mime);\n  }\n\n  /**\n   * Updates this {@link QRious} by generating a new {@link Frame} and re-rendering the QR code.\n   *\n   * @return {void}\n   * @protected\n   */\n  update() {\n    const frame = new Frame({\n      level: this.level,\n      value: this.value\n    });\n\n    this._canvasRenderer.render(frame);\n    this._imageRenderer.render(frame);\n  }\n\n  /**\n   * Returns the background color for the QR code.\n   *\n   * @return {string} The background color.\n   * @public\n   */\n  get background() {\n    return optionManager.get('background', this);\n  }\n\n  /**\n   * Sets the background color for the QR code to <code>background</code> and automatically updates this {@link QRious}\n   * if the underlying field is changed as a result.\n   *\n   * @param {string} [background=\"white\"] - the background color to be set\n   * @public\n   */\n  set background(background) {\n    if (optionManager.set('background', background, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the background alpha for the QR code.\n   *\n   * @return {number} The background alpha.\n   * @public\n   */\n  get backgroundAlpha() {\n    return optionManager.get('backgroundAlpha', this);\n  }\n\n  /**\n   * Sets the background alpha for the QR code to <code>backgroundAlpha</code> and automatically updates this\n   * {@link QRious} if the underlying field is changed as a result.\n   *\n   * @param {number} [backgroundAlpha=1] - the background alpha to be set\n   * @public\n   */\n  set backgroundAlpha(backgroundAlpha) {\n    if (optionManager.set('backgroundAlpha', backgroundAlpha, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the <code>canvas</code> element being used to render the QR code for this {@link QRious}.\n   *\n   * @return {*} The <code>canvas</code> element.\n   * @public\n   */\n  get canvas() {\n    return this._canvasRenderer.getElement();\n  }\n\n  /**\n   * Returns the foreground color for the QR code.\n   *\n   * @return {string} The foreground color.\n   * @public\n   */\n  get foreground() {\n    return optionManager.get('foreground', this);\n  }\n\n  /**\n   * Sets the foreground color for the QR code to <code>foreground</code> and automatically updates this {@link QRious}\n   * if the underlying field is changed as a result.\n   *\n   * @param {string} [foreground=\"black\"] - the foreground color to be set\n   * @public\n   */\n  set foreground(foreground) {\n    if (optionManager.set('foreground', foreground, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the foreground alpha for the QR code.\n   *\n   * @return {number} The foreground alpha.\n   * @public\n   */\n  get foregroundAlpha() {\n    return optionManager.get('foregroundAlpha', this);\n  }\n\n  /**\n   * Sets the foreground alpha for the QR code to <code>foregroundAlpha</code> and automatically updates this\n   * {@link QRious} if the underlying field is changed as a result.\n   *\n   * @param {number} [foregroundAlpha=1] - the foreground alpha to be set\n   * @public\n   */\n  set foregroundAlpha(foregroundAlpha) {\n    if (optionManager.set('foregroundAlpha', foregroundAlpha, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the <code>img</code> element being used to render the QR code for this {@link QRious}.\n   *\n   * @return {*} The <code>img</code> element.\n   * @public\n   */\n  get image() {\n    return this._imageRenderer.getElement();\n  }\n\n  /**\n   * Returns the error correction level for the QR code.\n   *\n   * @return {string} The ECC level.\n   * @public\n   */\n  get level() {\n    return optionManager.get('level', this);\n  }\n\n  /**\n   * Sets the error correction level for the QR code to <code>level</code> and automatically updates this {@link QRious}\n   * if the underlying field is changed as a result.\n   *\n   * <code>level</code> will be transformed to upper case to aid mapping to known ECC level blocks.\n   *\n   * @param {string} [level=\"L\"] - the ECC level to be set\n   * @public\n   */\n  set level(level) {\n    if (optionManager.set('level', level, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the MIME type for the image rendered for the QR code.\n   *\n   * @return {string} The image MIME type.\n   * @public\n   */\n  get mime() {\n    return optionManager.get('mime', this);\n  }\n\n  /**\n   * Sets the MIME type for the image rendered for the QR code to <code>mime</code> and automatically updates this\n   * {@link QRious} if the underlying field is changed as a result.\n   *\n   * @param {string} [mime=\"image/png\"] - the image MIME type to be set\n   * @public\n   */\n  set mime(mime) {\n    if (optionManager.set('mime', mime, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the padding for the QR code.\n   *\n   * @return {number} The padding in pixels.\n   * @public\n   */\n  get padding() {\n    return optionManager.get('padding', this);\n  }\n\n  /**\n   * Sets the padding for the QR code to <code>padding</code> and automatically updates this {@link QRious} if the\n   * underlying field is changed as a result.\n   *\n   * <code>padding</code> will be transformed to ensure that it is always an absolute positive numbers (e.g.\n   * <code>-10</code> would become <code>10</code>).\n   *\n   * @param {number} [padding] - 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See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport NodeElementService from '../service/element/NodeElementService';\nimport QRious from '../QRious';\n\nQRious.use(new NodeElementService());\n\nexport default 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\ No newline at end of file
diff --git a/dist/qrious.js b/dist/qrious.js
new file mode 100644
index 0000000..eac7829
--- /dev/null
+++ b/dist/qrious.js
@@ -0,0 +1,2371 @@
+/*
+ * QRious v3.0.0
+ * Copyright (C) 2017 Alasdair Mercer
+ * Copyright (C) 2010 Tom Zerucha
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+  typeof define === 'function' && define.amd ? define('qrious', factory) :
+  (global.QRious = factory());
+}(this, (function () { 'use strict';
+
+  /*
+   * Copyright (C) 2017 Alasdair Mercer, !ninja
+   *
+   * Permission is hereby granted, free of charge, to any person obtaining a copy
+   * of this software and associated documentation files (the "Software"), to deal
+   * in the Software without restriction, including without limitation the rights
+   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+   * copies of the Software, and to permit persons to whom the Software is
+   * furnished to do so, subject to the following conditions:
+   *
+   * The above copyright notice and this permission notice shall be included in all
+   * copies or substantial portions of the Software.
+   *
+   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+   * SOFTWARE.
+   */
+
+  /**
+   * A bare-bones constructor for surrogate prototype swapping.
+   *
+   * @private
+   * @constructor
+   */
+  var Constructor = /* istanbul ignore next */ function() {};
+  /**
+   * A reference to <code>Object.prototype.hasOwnProperty</code>.
+   *
+   * @private
+   * @type {Function}
+   */
+  var hasOwnProperty = Object.prototype.hasOwnProperty;
+  /**
+   * A reference to <code>Array.prototype.slice</code>.
+   *
+   * @private
+   * @type {Function}
+   */
+  var slice = Array.prototype.slice;
+
+  /**
+   * Creates an object which inherits the given <code>prototype</code>.
+   *
+   * Optionally, the created object can be extended further with the specified <code>properties</code>.
+   *
+   * @param {Object} prototype - the prototype to be inherited by the created object
+   * @param {Object} [properties] - the optional properties to be extended by the created object
+   * @return {Object} The newly created object.
+   * @private
+   */
+  function createObject(prototype, properties) {
+    var result;
+    /* istanbul ignore next */
+    if (typeof Object.create === 'function') {
+      result = Object.create(prototype);
+    } else {
+      Constructor.prototype = prototype;
+      result = new Constructor();
+      Constructor.prototype = null;
+    }
+
+    if (properties) {
+      extendObject(true, result, properties);
+    }
+
+    return result;
+  }
+
+  /**
+   * Extends the constructor to which this method is associated with the <code>prototype</code> and/or
+   * <code>statics</code> provided.
+   *
+   * If <code>name</code> is provided, it will be used as the class name and can be accessed via a special
+   * <code>class_</code> property on the child constructor, otherwise the class name of the super constructor will be used
+   * instead. The class name may also be used string representation for instances of the child constructor (via
+   * <code>toString</code>), but this is not applicable to the <i>lite</i> version of Nevis.
+   *
+   * If <code>constructor</code> is provided, it will be used as the constructor for the child, otherwise a simple
+   * constructor which only calls the super constructor will be used instead.
+   *
+   * The super constructor can be accessed via a special <code>super_</code> property on the child constructor.
+   *
+   * @param {string} [name=this.class_] - the class name to be used for the child constructor
+   * @param {Function} [constructor] - the constructor for the child
+   * @param {Object} [prototype] - the prototype properties to be defined for the child
+   * @param {Object} [statics] - the static properties to be defined for the child
+   * @return {Function} The child <code>constructor</code> provided or the one created if none was given.
+   * @public
+   */
+  function extend(name, constructor, prototype, statics) {
+    var superConstructor = this;
+
+    if (typeof name !== 'string') {
+      statics = prototype;
+      prototype = constructor;
+      constructor = name;
+      name = null;
+    }
+
+    if (typeof constructor !== 'function') {
+      statics = prototype;
+      prototype = constructor;
+      constructor = function() {
+        return superConstructor.apply(this, arguments);
+      };
+    }
+
+    extendObject(false, constructor, superConstructor, statics);
+
+    constructor.prototype = createObject(superConstructor.prototype, prototype);
+    constructor.prototype.constructor = constructor;
+
+    constructor.class_ = name || superConstructor.class_;
+    constructor.super_ = superConstructor;
+
+    return constructor;
+  }
+
+  /**
+   * Extends the specified <code>target</code> object with the properties in each of the <code>sources</code> provided.
+   *
+   * if any source is <code>null</code> it will be ignored.
+   *
+   * @param {boolean} own - <code>true</code> to only copy <b>own</b> properties from <code>sources</code> onto
+   * <code>target</code>; otherwise <code>false</code>
+   * @param {Object} target - the target object which should be extended
+   * @param {...Object} [sources] - the source objects whose properties are to be copied onto <code>target</code>
+   * @return {void}
+   * @private
+   */
+  function extendObject(own, target, sources) {
+    sources = slice.call(arguments, 2);
+
+    var property;
+    var source;
+
+    for (var i = 0, length = sources.length; i < length; i++) {
+      source = sources[i];
+
+      for (property in source) {
+        if (!own || hasOwnProperty.call(source, property)) {
+          target[property] = source[property];
+        }
+      }
+    }
+  }
+
+  var extend_1 = extend;
+
+  /**
+   * The base class from which all others should extend.
+   *
+   * @public
+   * @constructor
+   */
+  function Nevis() {}
+  Nevis.class_ = 'Nevis';
+  Nevis.super_ = Object;
+
+  /**
+   * Extends the constructor to which this method is associated with the <code>prototype</code> and/or
+   * <code>statics</code> provided.
+   *
+   * If <code>name</code> is provided, it will be used as the class name and can be accessed via a special
+   * <code>class_</code> property on the child constructor, otherwise the class name of the super constructor will be used
+   * instead. The class name may also be used string representation for instances of the child constructor (via
+   * <code>toString</code>), but this is not applicable to the <i>lite</i> version of Nevis.
+   *
+   * If <code>constructor</code> is provided, it will be used as the constructor for the child, otherwise a simple
+   * constructor which only calls the super constructor will be used instead.
+   *
+   * The super constructor can be accessed via a special <code>super_</code> property on the child constructor.
+   *
+   * @param {string} [name=this.class_] - the class name to be used for the child constructor
+   * @param {Function} [constructor] - the constructor for the child
+   * @param {Object} [prototype] - the prototype properties to be defined for the child
+   * @param {Object} [statics] - the static properties to be defined for the child
+   * @return {Function} The child <code>constructor</code> provided or the one created if none was given.
+   * @public
+   * @static
+   * @memberof Nevis
+   */
+  Nevis.extend = extend_1;
+
+  var nevis = Nevis;
+
+  var lite = nevis;
+
+  /**
+   * Defines a service contract that must be met by all implementations.
+   *
+   * @public
+   * @class
+   * @extends Nevis
+   */
+  var Service = lite.extend({
+
+    /**
+     * Returns the name of this {@link Service}.
+     *
+     * @return {string} The service name.
+     * @public
+     * @abstract
+     * @memberof Service#
+     */
+    getName: function() {}
+
+  });
+
+  var Service_1 = Service;
+
+  /**
+   * A service for working with elements.
+   *
+   * @public
+   * @class
+   * @extends Service
+   */
+  var ElementService = Service_1.extend({
+
+    /**
+     * Creates an instance of a canvas element.
+     *
+     * Implementations of {@link ElementService} <b>must</b> override this method with their own specific logic.
+     *
+     * @return {*} The newly created canvas element.
+     * @public
+     * @abstract
+     * @memberof ElementService#
+     */
+    createCanvas: function() {},
+
+    /**
+     * Creates an instance of a image element.
+     *
+     * Implementations of {@link ElementService} <b>must</b> override this method with their own specific logic.
+     *
+     * @return {*} The newly created image element.
+     * @public
+     * @abstract
+     * @memberof ElementService#
+     */
+    createImage: function() {},
+
+    /**
+     * @override
+     */
+    getName: function() {
+      return 'element';
+    },
+
+    /**
+     * Returns whether the specified <code>element</code> is a canvas.
+     *
+     * Implementations of {@link ElementService} <b>must</b> override this method with their own specific logic.
+     *
+     * @param {*} element - the element to be checked
+     * @return {boolean} <code>true</code> if <code>element</code> is a canvas; otherwise <code>false</code>.
+     * @public
+     * @abstract
+     * @memberof ElementService#
+     */
+    isCanvas: function(element) {},
+
+    /**
+     * Returns whether the specified <code>element</code> is an image.
+     *
+     * Implementations of {@link ElementService} <b>must</b> override this method with their own specific logic.
+     *
+     * @param {*} element - the element to be checked
+     * @return {boolean} <code>true</code> if <code>element</code> is an image; otherwise <code>false</code>.
+     * @public
+     * @abstract
+     * @memberof ElementService#
+     */
+    isImage: function(element) {}
+
+  });
+
+  var ElementService_1 = ElementService;
+
+  /**
+   * An implementation of {@link ElementService} intended for use within a browser environment.
+   *
+   * @public
+   * @class
+   * @extends ElementService
+   */
+  var BrowserElementService = ElementService_1.extend({
+
+    /**
+     * @override
+     */
+    createCanvas: function() {
+      return document.createElement('canvas');
+    },
+
+    /**
+     * @override
+     */
+    createImage: function() {
+      return document.createElement('img');
+    },
+
+    /**
+     * @override
+     */
+    isCanvas: function(element) {
+      return element instanceof HTMLCanvasElement;
+    },
+
+    /**
+     * @override
+     */
+    isImage: function(element) {
+      return element instanceof HTMLImageElement;
+    }
+
+  });
+
+  var BrowserElementService_1 = BrowserElementService;
+
+  /**
+   * Responsible for rendering a QR code {@link Frame} on a specific type of element.
+   *
+   * A renderer may be dependant on the rendering of another element, so the ordering of their execution is important.
+   *
+   * The rendering of a element can be deferred by disabling the renderer initially, however, any attempt get the element
+   * from the renderer will result in it being immediately enabled and the element being rendered.
+   *
+   * @param {QRious} qrious - the {@link QRious} instance to be used
+   * @param {*} element - the element onto which the QR code is to be rendered
+   * @param {boolean} [enabled] - <code>true</code> this {@link Renderer} is enabled; otherwise <code>false</code>.
+   * @public
+   * @class
+   * @extends Nevis
+   */
+  var Renderer = lite.extend(function(qrious, element, enabled) {
+    /**
+     * The {@link QRious} instance.
+     *
+     * @protected
+     * @type {QRious}
+     * @memberof Renderer#
+     */
+    this.qrious = qrious;
+
+    /**
+     * The element onto which this {@link Renderer} is rendering the QR code.
+     *
+     * @protected
+     * @type {*}
+     * @memberof Renderer#
+     */
+    this.element = element;
+    this.element.qrious = qrious;
+
+    /**
+     * Whether this {@link Renderer} is enabled.
+     *
+     * @protected
+     * @type {boolean}
+     * @memberof Renderer#
+     */
+    this.enabled = Boolean(enabled);
+  }, {
+
+    /**
+     * Draws the specified QR code <code>frame</code> on the underlying element.
+     *
+     * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.
+     *
+     * @param {Frame} frame - the {@link Frame} to be drawn
+     * @return {void}
+     * @protected
+     * @abstract
+     * @memberof Renderer#
+     */
+    draw: function(frame) {},
+
+    /**
+     * Returns the element onto which this {@link Renderer} is rendering the QR code.
+     *
+     * If this method is called while this {@link Renderer} is disabled, it will be immediately enabled and rendered
+     * before the element is returned.
+     *
+     * @return {*} The element.
+     * @public
+     * @memberof Renderer#
+     */
+    getElement: function() {
+      if (!this.enabled) {
+        this.enabled = true;
+        this.render();
+      }
+
+      return this.element;
+    },
+
+    /**
+     * Calculates the size (in pixel units) to represent an individual module within the QR code based on the
+     * <code>frame</code> provided.
+     *
+     * Any configured padding will be excluded from the returned size.
+     *
+     * The returned value will be at least one, even in cases where the size of the QR code does not fit its contents.
+     * This is done so that the inevitable clipping is handled more gracefully since this way at least something is
+     * displayed instead of just a blank space filled by the background color.
+     *
+     * @param {Frame} frame - the {@link Frame} from which the module size is to be derived
+     * @return {number} The pixel size for each module in the QR code which will be no less than one.
+     * @protected
+     * @memberof Renderer#
+     */
+    getModuleSize: function(frame) {
+      var qrious = this.qrious;
+      var padding = qrious.padding || 0;
+      var pixels = Math.floor((qrious.size - (padding * 2)) / frame.width);
+
+      return Math.max(1, pixels);
+    },
+
+    /**
+     * Calculates the offset/padding (in pixel units) to be inserted before the QR code based on the <code>frame</code>
+     * provided.
+     *
+     * The returned value will be zero if there is no available offset or if the size of the QR code does not fit its
+     * contents. It will never be a negative value. This is done so that the inevitable clipping appears more naturally
+     * and it is not clipped from all directions.
+     *
+     * @param {Frame} frame - the {@link Frame} from which the offset is to be derived
+     * @return {number} The pixel offset for the QR code which will be no less than zero.
+     * @protected
+     * @memberof Renderer#
+     */
+    getOffset: function(frame) {
+      var qrious = this.qrious;
+      var padding = qrious.padding;
+
+      if (padding != null) {
+        return padding;
+      }
+
+      var moduleSize = this.getModuleSize(frame);
+      var offset = Math.floor((qrious.size - (moduleSize * frame.width)) / 2);
+
+      return Math.max(0, offset);
+    },
+
+    /**
+     * Renders a QR code on the underlying element based on the <code>frame</code> provided.
+     *
+     * @param {Frame} frame - the {@link Frame} to be rendered
+     * @return {void}
+     * @public
+     * @memberof Renderer#
+     */
+    render: function(frame) {
+      if (this.enabled) {
+        this.resize();
+        this.reset();
+        this.draw(frame);
+      }
+    },
+
+    /**
+     * Resets the underlying element, effectively clearing any previously rendered QR code.
+     *
+     * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.
+     *
+     * @return {void}
+     * @protected
+     * @abstract
+     * @memberof Renderer#
+     */
+    reset: function() {},
+
+    /**
+     * Ensures that the size of the underlying element matches that defined on the associated {@link QRious} instance.
+     *
+     * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.
+     *
+     * @return {void}
+     * @protected
+     * @abstract
+     * @memberof Renderer#
+     */
+    resize: function() {}
+
+  });
+
+  var Renderer_1 = Renderer;
+
+  /**
+   * An implementation of {@link Renderer} for working with <code>canvas</code> elements.
+   *
+   * @public
+   * @class
+   * @extends Renderer
+   */
+  var CanvasRenderer = Renderer_1.extend({
+
+    /**
+     * @override
+     */
+    draw: function(frame) {
+      var i, j;
+      var qrious = this.qrious;
+      var moduleSize = this.getModuleSize(frame);
+      var offset = this.getOffset(frame);
+      var context = this.element.getContext('2d');
+
+      context.fillStyle = qrious.foreground;
+      context.globalAlpha = qrious.foregroundAlpha;
+
+      for (i = 0; i < frame.width; i++) {
+        for (j = 0; j < frame.width; j++) {
+          if (frame.buffer[(j * frame.width) + i]) {
+            context.fillRect((moduleSize * i) + offset, (moduleSize * j) + offset, moduleSize, moduleSize);
+          }
+        }
+      }
+    },
+
+    /**
+     * @override
+     */
+    reset: function() {
+      var qrious = this.qrious;
+      var context = this.element.getContext('2d');
+      var size = qrious.size;
+
+      context.lineWidth = 1;
+      context.clearRect(0, 0, size, size);
+      context.fillStyle = qrious.background;
+      context.globalAlpha = qrious.backgroundAlpha;
+      context.fillRect(0, 0, size, size);
+    },
+
+    /**
+     * @override
+     */
+    resize: function() {
+      var element = this.element;
+
+      element.width = element.height = this.qrious.size;
+    }
+
+  });
+
+  var CanvasRenderer_1 = CanvasRenderer;
+
+  /* eslint no-multi-spaces: "off" */
+
+
+
+  /**
+   * Contains alignment pattern information.
+   *
+   * @public
+   * @class
+   * @extends Nevis
+   */
+  var Alignment = lite.extend(null, {
+
+    /**
+     * The alignment pattern block.
+     *
+     * @public
+     * @static
+     * @type {number[]}
+     * @memberof Alignment
+     */
+    BLOCK: [
+      0,  11, 15, 19, 23, 27, 31,
+      16, 18, 20, 22, 24, 26, 28, 20, 22, 24, 24, 26, 28, 28, 22, 24, 24,
+      26, 26, 28, 28, 24, 24, 26, 26, 26, 28, 28, 24, 26, 26, 26, 28, 28
+    ]
+
+  });
+
+  var Alignment_1 = Alignment;
+
+  /* eslint no-multi-spaces: "off" */
+
+
+
+  /**
+   * Contains error correction information.
+   *
+   * @public
+   * @class
+   * @extends Nevis
+   */
+  var ErrorCorrection = lite.extend(null, {
+
+    /**
+     * The error correction blocks.
+     *
+     * There are four elements per version. The first two indicate the number of blocks, then the data width, and finally
+     * the ECC width.
+     *
+     * @public
+     * @static
+     * @type {number[]}
+     * @memberof ErrorCorrection
+     */
+    BLOCKS: [
+      1,  0,  19,  7,     1,  0,  16,  10,    1,  0,  13,  13,    1,  0,  9,   17,
+      1,  0,  34,  10,    1,  0,  28,  16,    1,  0,  22,  22,    1,  0,  16,  28,
+      1,  0,  55,  15,    1,  0,  44,  26,    2,  0,  17,  18,    2,  0,  13,  22,
+      1,  0,  80,  20,    2,  0,  32,  18,    2,  0,  24,  26,    4,  0,  9,   16,
+      1,  0,  108, 26,    2,  0,  43,  24,    2,  2,  15,  18,    2,  2,  11,  22,
+      2,  0,  68,  18,    4,  0,  27,  16,    4,  0,  19,  24,    4,  0,  15,  28,
+      2,  0,  78,  20,    4,  0,  31,  18,    2,  4,  14,  18,    4,  1,  13,  26,
+      2,  0,  97,  24,    2,  2,  38,  22,    4,  2,  18,  22,    4,  2,  14,  26,
+      2,  0,  116, 30,    3,  2,  36,  22,    4,  4,  16,  20,    4,  4,  12,  24,
+      2,  2,  68,  18,    4,  1,  43,  26,    6,  2,  19,  24,    6,  2,  15,  28,
+      4,  0,  81,  20,    1,  4,  50,  30,    4,  4,  22,  28,    3,  8,  12,  24,
+      2,  2,  92,  24,    6,  2,  36,  22,    4,  6,  20,  26,    7,  4,  14,  28,
+      4,  0,  107, 26,    8,  1,  37,  22,    8,  4,  20,  24,    12, 4,  11,  22,
+      3,  1,  115, 30,    4,  5,  40,  24,    11, 5,  16,  20,    11, 5,  12,  24,
+      5,  1,  87,  22,    5,  5,  41,  24,    5,  7,  24,  30,    11, 7,  12,  24,
+      5,  1,  98,  24,    7,  3,  45,  28,    15, 2,  19,  24,    3,  13, 15,  30,
+      1,  5,  107, 28,    10, 1,  46,  28,    1,  15, 22,  28,    2,  17, 14,  28,
+      5,  1,  120, 30,    9,  4,  43,  26,    17, 1,  22,  28,    2,  19, 14,  28,
+      3,  4,  113, 28,    3,  11, 44,  26,    17, 4,  21,  26,    9,  16, 13,  26,
+      3,  5,  107, 28,    3,  13, 41,  26,    15, 5,  24,  30,    15, 10, 15,  28,
+      4,  4,  116, 28,    17, 0,  42,  26,    17, 6,  22,  28,    19, 6,  16,  30,
+      2,  7,  111, 28,    17, 0,  46,  28,    7,  16, 24,  30,    34, 0,  13,  24,
+      4,  5,  121, 30,    4,  14, 47,  28,    11, 14, 24,  30,    16, 14, 15,  30,
+      6,  4,  117, 30,    6,  14, 45,  28,    11, 16, 24,  30,    30, 2,  16,  30,
+      8,  4,  106, 26,    8,  13, 47,  28,    7,  22, 24,  30,    22, 13, 15,  30,
+      10, 2,  114, 28,    19, 4,  46,  28,    28, 6,  22,  28,    33, 4,  16,  30,
+      8,  4,  122, 30,    22, 3,  45,  28,    8,  26, 23,  30,    12, 28, 15,  30,
+      3,  10, 117, 30,    3,  23, 45,  28,    4,  31, 24,  30,    11, 31, 15,  30,
+      7,  7,  116, 30,    21, 7,  45,  28,    1,  37, 23,  30,    19, 26, 15,  30,
+      5,  10, 115, 30,    19, 10, 47,  28,    15, 25, 24,  30,    23, 25, 15,  30,
+      13, 3,  115, 30,    2,  29, 46,  28,    42, 1,  24,  30,    23, 28, 15,  30,
+      17, 0,  115, 30,    10, 23, 46,  28,    10, 35, 24,  30,    19, 35, 15,  30,
+      17, 1,  115, 30,    14, 21, 46,  28,    29, 19, 24,  30,    11, 46, 15,  30,
+      13, 6,  115, 30,    14, 23, 46,  28,    44, 7,  24,  30,    59, 1,  16,  30,
+      12, 7,  121, 30,    12, 26, 47,  28,    39, 14, 24,  30,    22, 41, 15,  30,
+      6,  14, 121, 30,    6,  34, 47,  28,    46, 10, 24,  30,    2,  64, 15,  30,
+      17, 4,  122, 30,    29, 14, 46,  28,    49, 10, 24,  30,    24, 46, 15,  30,
+      4,  18, 122, 30,    13, 32, 46,  28,    48, 14, 24,  30,    42, 32, 15,  30,
+      20, 4,  117, 30,    40, 7,  47,  28,    43, 22, 24,  30,    10, 67, 15,  30,
+      19, 6,  118, 30,    18, 31, 47,  28,    34, 34, 24,  30,    20, 61, 15,  30
+    ],
+
+    /**
+     * The final format bits with mask (level << 3 | mask).
+     *
+     * @public
+     * @static
+     * @type {number[]}
+     * @memberof ErrorCorrection
+     */
+    FINAL_FORMAT: [
+      // L
+      0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976,
+      // M
+      0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0,
+      // Q
+      0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed,
+      // H
+      0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b
+    ],
+
+    /**
+     * A map of human-readable ECC levels.
+     *
+     * @public
+     * @static
+     * @type {Object.<string, number>}
+     * @memberof ErrorCorrection
+     */
+    LEVELS: {
+      L: 1,
+      M: 2,
+      Q: 3,
+      H: 4
+    }
+
+  });
+
+  var ErrorCorrection_1 = ErrorCorrection;
+
+  /**
+   * Contains Galois field information.
+   *
+   * @public
+   * @class
+   * @extends Nevis
+   */
+  var Galois = lite.extend(null, {
+
+    /**
+     * The Galois field exponent table.
+     *
+     * @public
+     * @static
+     * @type {number[]}
+     * @memberof Galois
+     */
+    EXPONENT: [
+      0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1d, 0x3a, 0x74, 0xe8, 0xcd, 0x87, 0x13, 0x26,
+      0x4c, 0x98, 0x2d, 0x5a, 0xb4, 0x75, 0xea, 0xc9, 0x8f, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0,
+      0x9d, 0x27, 0x4e, 0x9c, 0x25, 0x4a, 0x94, 0x35, 0x6a, 0xd4, 0xb5, 0x77, 0xee, 0xc1, 0x9f, 0x23,
+      0x46, 0x8c, 0x05, 0x0a, 0x14, 0x28, 0x50, 0xa0, 0x5d, 0xba, 0x69, 0xd2, 0xb9, 0x6f, 0xde, 0xa1,
+      0x5f, 0xbe, 0x61, 0xc2, 0x99, 0x2f, 0x5e, 0xbc, 0x65, 0xca, 0x89, 0x0f, 0x1e, 0x3c, 0x78, 0xf0,
+      0xfd, 0xe7, 0xd3, 0xbb, 0x6b, 0xd6, 0xb1, 0x7f, 0xfe, 0xe1, 0xdf, 0xa3, 0x5b, 0xb6, 0x71, 0xe2,
+      0xd9, 0xaf, 0x43, 0x86, 0x11, 0x22, 0x44, 0x88, 0x0d, 0x1a, 0x34, 0x68, 0xd0, 0xbd, 0x67, 0xce,
+      0x81, 0x1f, 0x3e, 0x7c, 0xf8, 0xed, 0xc7, 0x93, 0x3b, 0x76, 0xec, 0xc5, 0x97, 0x33, 0x66, 0xcc,
+      0x85, 0x17, 0x2e, 0x5c, 0xb8, 0x6d, 0xda, 0xa9, 0x4f, 0x9e, 0x21, 0x42, 0x84, 0x15, 0x2a, 0x54,
+      0xa8, 0x4d, 0x9a, 0x29, 0x52, 0xa4, 0x55, 0xaa, 0x49, 0x92, 0x39, 0x72, 0xe4, 0xd5, 0xb7, 0x73,
+      0xe6, 0xd1, 0xbf, 0x63, 0xc6, 0x91, 0x3f, 0x7e, 0xfc, 0xe5, 0xd7, 0xb3, 0x7b, 0xf6, 0xf1, 0xff,
+      0xe3, 0xdb, 0xab, 0x4b, 0x96, 0x31, 0x62, 0xc4, 0x95, 0x37, 0x6e, 0xdc, 0xa5, 0x57, 0xae, 0x41,
+      0x82, 0x19, 0x32, 0x64, 0xc8, 0x8d, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0, 0xdd, 0xa7, 0x53, 0xa6,
+      0x51, 0xa2, 0x59, 0xb2, 0x79, 0xf2, 0xf9, 0xef, 0xc3, 0x9b, 0x2b, 0x56, 0xac, 0x45, 0x8a, 0x09,
+      0x12, 0x24, 0x48, 0x90, 0x3d, 0x7a, 0xf4, 0xf5, 0xf7, 0xf3, 0xfb, 0xeb, 0xcb, 0x8b, 0x0b, 0x16,
+      0x2c, 0x58, 0xb0, 0x7d, 0xfa, 0xe9, 0xcf, 0x83, 0x1b, 0x36, 0x6c, 0xd8, 0xad, 0x47, 0x8e, 0x00
+    ],
+
+    /**
+     * The Galois field log table.
+     *
+     * @public
+     * @static
+     * @type {number[]}
+     * @memberof Galois
+     */
+    LOG: [
+      0xff, 0x00, 0x01, 0x19, 0x02, 0x32, 0x1a, 0xc6, 0x03, 0xdf, 0x33, 0xee, 0x1b, 0x68, 0xc7, 0x4b,
+      0x04, 0x64, 0xe0, 0x0e, 0x34, 0x8d, 0xef, 0x81, 0x1c, 0xc1, 0x69, 0xf8, 0xc8, 0x08, 0x4c, 0x71,
+      0x05, 0x8a, 0x65, 0x2f, 0xe1, 0x24, 0x0f, 0x21, 0x35, 0x93, 0x8e, 0xda, 0xf0, 0x12, 0x82, 0x45,
+      0x1d, 0xb5, 0xc2, 0x7d, 0x6a, 0x27, 0xf9, 0xb9, 0xc9, 0x9a, 0x09, 0x78, 0x4d, 0xe4, 0x72, 0xa6,
+      0x06, 0xbf, 0x8b, 0x62, 0x66, 0xdd, 0x30, 0xfd, 0xe2, 0x98, 0x25, 0xb3, 0x10, 0x91, 0x22, 0x88,
+      0x36, 0xd0, 0x94, 0xce, 0x8f, 0x96, 0xdb, 0xbd, 0xf1, 0xd2, 0x13, 0x5c, 0x83, 0x38, 0x46, 0x40,
+      0x1e, 0x42, 0xb6, 0xa3, 0xc3, 0x48, 0x7e, 0x6e, 0x6b, 0x3a, 0x28, 0x54, 0xfa, 0x85, 0xba, 0x3d,
+      0xca, 0x5e, 0x9b, 0x9f, 0x0a, 0x15, 0x79, 0x2b, 0x4e, 0xd4, 0xe5, 0xac, 0x73, 0xf3, 0xa7, 0x57,
+      0x07, 0x70, 0xc0, 0xf7, 0x8c, 0x80, 0x63, 0x0d, 0x67, 0x4a, 0xde, 0xed, 0x31, 0xc5, 0xfe, 0x18,
+      0xe3, 0xa5, 0x99, 0x77, 0x26, 0xb8, 0xb4, 0x7c, 0x11, 0x44, 0x92, 0xd9, 0x23, 0x20, 0x89, 0x2e,
+      0x37, 0x3f, 0xd1, 0x5b, 0x95, 0xbc, 0xcf, 0xcd, 0x90, 0x87, 0x97, 0xb2, 0xdc, 0xfc, 0xbe, 0x61,
+      0xf2, 0x56, 0xd3, 0xab, 0x14, 0x2a, 0x5d, 0x9e, 0x84, 0x3c, 0x39, 0x53, 0x47, 0x6d, 0x41, 0xa2,
+      0x1f, 0x2d, 0x43, 0xd8, 0xb7, 0x7b, 0xa4, 0x76, 0xc4, 0x17, 0x49, 0xec, 0x7f, 0x0c, 0x6f, 0xf6,
+      0x6c, 0xa1, 0x3b, 0x52, 0x29, 0x9d, 0x55, 0xaa, 0xfb, 0x60, 0x86, 0xb1, 0xbb, 0xcc, 0x3e, 0x5a,
+      0xcb, 0x59, 0x5f, 0xb0, 0x9c, 0xa9, 0xa0, 0x51, 0x0b, 0xf5, 0x16, 0xeb, 0x7a, 0x75, 0x2c, 0xd7,
+      0x4f, 0xae, 0xd5, 0xe9, 0xe6, 0xe7, 0xad, 0xe8, 0x74, 0xd6, 0xf4, 0xea, 0xa8, 0x50, 0x58, 0xaf
+    ]
+
+  });
+
+  var Galois_1 = Galois;
+
+  /**
+   * Contains version pattern information.
+   *
+   * @public
+   * @class
+   * @extends Nevis
+   */
+  var Version = lite.extend(null, {
+
+    /**
+     * The version pattern block.
+     *
+     * @public
+     * @static
+     * @type {number[]}
+     * @memberof Version
+     */
+    BLOCK: [
+      0xc94, 0x5bc, 0xa99, 0x4d3, 0xbf6, 0x762, 0x847, 0x60d, 0x928, 0xb78, 0x45d, 0xa17, 0x532,
+      0x9a6, 0x683, 0x8c9, 0x7ec, 0xec4, 0x1e1, 0xfab, 0x08e, 0xc1a, 0x33f, 0xd75, 0x250, 0x9d5,
+      0x6f0, 0x8ba, 0x79f, 0xb0b, 0x42e, 0xa64, 0x541, 0xc69
+    ]
+
+  });
+
+  var Version_1 = Version;
+
+  /**
+   * Generates information for a QR code frame based on a specific value to be encoded.
+   *
+   * @param {Frame~Options} options - the options to be used
+   * @public
+   * @class
+   * @extends Nevis
+   */
+  var Frame = lite.extend(function(options) {
+    var dataBlock, eccBlock, index, neccBlock1, neccBlock2;
+    var valueLength = options.value.length;
+
+    this._badness = [];
+    this._level = ErrorCorrection_1.LEVELS[options.level];
+    this._polynomial = [];
+    this._value = options.value;
+    this._version = 0;
+    this._stringBuffer = [];
+
+    while (this._version < 40) {
+      this._version++;
+
+      index = ((this._level - 1) * 4) + ((this._version - 1) * 16);
+
+      neccBlock1 = ErrorCorrection_1.BLOCKS[index++];
+      neccBlock2 = ErrorCorrection_1.BLOCKS[index++];
+      dataBlock = ErrorCorrection_1.BLOCKS[index++];
+      eccBlock = ErrorCorrection_1.BLOCKS[index];
+
+      index = (dataBlock * (neccBlock1 + neccBlock2)) + neccBlock2 - 3 + (this._version <= 9);
+
+      if (valueLength <= index) {
+        break;
+      }
+    }
+
+    this._dataBlock = dataBlock;
+    this._eccBlock = eccBlock;
+    this._neccBlock1 = neccBlock1;
+    this._neccBlock2 = neccBlock2;
+
+    /**
+     * The data width is based on version.
+     *
+     * @public
+     * @type {number}
+     * @memberof Frame#
+     */
+    // FIXME: Ensure that it fits instead of being truncated.
+    var width = this.width = 17 + (4 * this._version);
+
+    /**
+     * The image buffer.
+     *
+     * @public
+     * @type {number[]}
+     * @memberof Frame#
+     */
+    this.buffer = Frame._createArray(width * width);
+
+    this._ecc = Frame._createArray(dataBlock + ((dataBlock + eccBlock) * (neccBlock1 + neccBlock2)) + neccBlock2);
+    this._mask = Frame._createArray(((width * (width + 1)) + 1) / 2);
+
+    this._insertFinders();
+    this._insertAlignments();
+
+    // Insert single foreground cell.
+    this.buffer[8 + (width * (width - 8))] = 1;
+
+    this._insertTimingGap();
+    this._reverseMask();
+    this._insertTimingRowAndColumn();
+    this._insertVersion();
+    this._syncMask();
+    this._convertBitStream(valueLength);
+    this._calculatePolynomial();
+    this._appendEccToData();
+    this._interleaveBlocks();
+    this._pack();
+    this._finish();
+  }, {
+
+    _addAlignment: function(x, y) {
+      var i;
+      var buffer = this.buffer;
+      var width = this.width;
+
+      buffer[x + (width * y)] = 1;
+
+      for (i = -2; i < 2; i++) {
+        buffer[x + i + (width * (y - 2))] = 1;
+        buffer[x - 2 + (width * (y + i + 1))] = 1;
+        buffer[x + 2 + (width * (y + i))] = 1;
+        buffer[x + i + 1 + (width * (y + 2))] = 1;
+      }
+
+      for (i = 0; i < 2; i++) {
+        this._setMask(x - 1, y + i);
+        this._setMask(x + 1, y - i);
+        this._setMask(x - i, y - 1);
+        this._setMask(x + i, y + 1);
+      }
+    },
+
+    _appendData: function(data, dataLength, ecc, eccLength) {
+      var bit, i, j;
+      var polynomial = this._polynomial;
+      var stringBuffer = this._stringBuffer;
+
+      for (i = 0; i < eccLength; i++) {
+        stringBuffer[ecc + i] = 0;
+      }
+
+      for (i = 0; i < dataLength; i++) {
+        bit = Galois_1.LOG[stringBuffer[data + i] ^ stringBuffer[ecc]];
+
+        if (bit !== 255) {
+          for (j = 1; j < eccLength; j++) {
+            stringBuffer[ecc + j - 1] = stringBuffer[ecc + j] ^
+              Galois_1.EXPONENT[Frame._modN(bit + polynomial[eccLength - j])];
+          }
+        } else {
+          for (j = ecc; j < ecc + eccLength; j++) {
+            stringBuffer[j] = stringBuffer[j + 1];
+          }
+        }
+
+        stringBuffer[ecc + eccLength - 1] = bit === 255 ? 0 : Galois_1.EXPONENT[Frame._modN(bit + polynomial[0])];
+      }
+    },
+
+    _appendEccToData: function() {
+      var i;
+      var data = 0;
+      var dataBlock = this._dataBlock;
+      var ecc = this._calculateMaxLength();
+      var eccBlock = this._eccBlock;
+
+      for (i = 0; i < this._neccBlock1; i++) {
+        this._appendData(data, dataBlock, ecc, eccBlock);
+
+        data += dataBlock;
+        ecc += eccBlock;
+      }
+
+      for (i = 0; i < this._neccBlock2; i++) {
+        this._appendData(data, dataBlock + 1, ecc, eccBlock);
+
+        data += dataBlock + 1;
+        ecc += eccBlock;
+      }
+    },
+
+    _applyMask: function(mask) {
+      var r3x, r3y, x, y;
+      var buffer = this.buffer;
+      var width = this.width;
+
+      switch (mask) {
+      case 0:
+        for (y = 0; y < width; y++) {
+          for (x = 0; x < width; x++) {
+            if (!((x + y) & 1) && !this._isMasked(x, y)) {
+              buffer[x + (y * width)] ^= 1;
+            }
+          }
+        }
+
+        break;
+      case 1:
+        for (y = 0; y < width; y++) {
+          for (x = 0; x < width; x++) {
+            if (!(y & 1) && !this._isMasked(x, y)) {
+              buffer[x + (y * width)] ^= 1;
+            }
+          }
+        }
+
+        break;
+      case 2:
+        for (y = 0; y < width; y++) {
+          for (r3x = 0, x = 0; x < width; x++, r3x++) {
+            if (r3x === 3) {
+              r3x = 0;
+            }
+
+            if (!r3x && !this._isMasked(x, y)) {
+              buffer[x + (y * width)] ^= 1;
+            }
+          }
+        }
+
+        break;
+      case 3:
+        for (r3y = 0, y = 0; y < width; y++, r3y++) {
+          if (r3y === 3) {
+            r3y = 0;
+          }
+
+          for (r3x = r3y, x = 0; x < width; x++, r3x++) {
+            if (r3x === 3) {
+              r3x = 0;
+            }
+
+            if (!r3x && !this._isMasked(x, y)) {
+              buffer[x + (y * width)] ^= 1;
+            }
+          }
+        }
+
+        break;
+      case 4:
+        for (y = 0; y < width; y++) {
+          for (r3x = 0, r3y = (y >> 1) & 1, x = 0; x < width; x++, r3x++) {
+            if (r3x === 3) {
+              r3x = 0;
+              r3y = !r3y;
+            }
+
+            if (!r3y && !this._isMasked(x, y)) {
+              buffer[x + (y * width)] ^= 1;
+            }
+          }
+        }
+
+        break;
+      case 5:
+        for (r3y = 0, y = 0; y < width; y++, r3y++) {
+          if (r3y === 3) {
+            r3y = 0;
+          }
+
+          for (r3x = 0, x = 0; x < width; x++, r3x++) {
+            if (r3x === 3) {
+              r3x = 0;
+            }
+
+            if (!((x & y & 1) + !(!r3x | !r3y)) && !this._isMasked(x, y)) {
+              buffer[x + (y * width)] ^= 1;
+            }
+          }
+        }
+
+        break;
+      case 6:
+        for (r3y = 0, y = 0; y < width; y++, r3y++) {
+          if (r3y === 3) {
+            r3y = 0;
+          }
+
+          for (r3x = 0, x = 0; x < width; x++, r3x++) {
+            if (r3x === 3) {
+              r3x = 0;
+            }
+
+            if (!((x & y & 1) + (r3x && r3x === r3y) & 1) && !this._isMasked(x, y)) {
+              buffer[x + (y * width)] ^= 1;
+            }
+          }
+        }
+
+        break;
+      case 7:
+        for (r3y = 0, y = 0; y < width; y++, r3y++) {
+          if (r3y === 3) {
+            r3y = 0;
+          }
+
+          for (r3x = 0, x = 0; x < width; x++, r3x++) {
+            if (r3x === 3) {
+              r3x = 0;
+            }
+
+            if (!((r3x && r3x === r3y) + (x + y & 1) & 1) && !this._isMasked(x, y)) {
+              buffer[x + (y * width)] ^= 1;
+            }
+          }
+        }
+
+        break;
+      }
+    },
+
+    _calculateMaxLength: function() {
+      return (this._dataBlock * (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2;
+    },
+
+    _calculatePolynomial: function() {
+      var i, j;
+      var eccBlock = this._eccBlock;
+      var polynomial = this._polynomial;
+
+      polynomial[0] = 1;
+
+      for (i = 0; i < eccBlock; i++) {
+        polynomial[i + 1] = 1;
+
+        for (j = i; j > 0; j--) {
+          polynomial[j] = polynomial[j] ? polynomial[j - 1] ^
+            Galois_1.EXPONENT[Frame._modN(Galois_1.LOG[polynomial[j]] + i)] : polynomial[j - 1];
+        }
+
+        polynomial[0] = Galois_1.EXPONENT[Frame._modN(Galois_1.LOG[polynomial[0]] + i)];
+      }
+
+      // Use logs for generator polynomial to save calculation step.
+      for (i = 0; i <= eccBlock; i++) {
+        polynomial[i] = Galois_1.LOG[polynomial[i]];
+      }
+    },
+
+    _checkBadness: function() {
+      var b, b1, h, x, y;
+      var bad = 0;
+      var badness = this._badness;
+      var buffer = this.buffer;
+      var width = this.width;
+
+      // Blocks of same colour.
+      for (y = 0; y < width - 1; y++) {
+        for (x = 0; x < width - 1; x++) {
+          // All foreground colour.
+          if ((buffer[x + (width * y)] &&
+            buffer[x + 1 + (width * y)] &&
+            buffer[x + (width * (y + 1))] &&
+            buffer[x + 1 + (width * (y + 1))]) ||
+            // All background colour.
+            !(buffer[x + (width * y)] ||
+            buffer[x + 1 + (width * y)] ||
+            buffer[x + (width * (y + 1))] ||
+            buffer[x + 1 + (width * (y + 1))])) {
+            bad += Frame.N2;
+          }
+        }
+      }
+
+      var bw = 0;
+
+      // X runs.
+      for (y = 0; y < width; y++) {
+        h = 0;
+
+        badness[0] = 0;
+
+        for (b = 0, x = 0; x < width; x++) {
+          b1 = buffer[x + (width * y)];
+
+          if (b === b1) {
+            badness[h]++;
+          } else {
+            badness[++h] = 1;
+          }
+
+          b = b1;
+          bw += b ? 1 : -1;
+        }
+
+        bad += this._getBadness(h);
+      }
+
+      if (bw < 0) {
+        bw = -bw;
+      }
+
+      var count = 0;
+      var big = bw;
+      big += big << 2;
+      big <<= 1;
+
+      while (big > width * width) {
+        big -= width * width;
+        count++;
+      }
+
+      bad += count * Frame.N4;
+
+      // Y runs.
+      for (x = 0; x < width; x++) {
+        h = 0;
+
+        badness[0] = 0;
+
+        for (b = 0, y = 0; y < width; y++) {
+          b1 = buffer[x + (width * y)];
+
+          if (b === b1) {
+            badness[h]++;
+          } else {
+            badness[++h] = 1;
+          }
+
+          b = b1;
+        }
+
+        bad += this._getBadness(h);
+      }
+
+      return bad;
+    },
+
+    _convertBitStream: function(length) {
+      var bit, i;
+      var ecc = this._ecc;
+      var version = this._version;
+
+      // Convert string to bit stream. 8-bit data to QR-coded 8-bit data (numeric, alphanumeric, or kanji not supported).
+      for (i = 0; i < length; i++) {
+        ecc[i] = this._value.charCodeAt(i);
+      }
+
+      var stringBuffer = this._stringBuffer = ecc.slice();
+      var maxLength = this._calculateMaxLength();
+
+      if (length >= maxLength - 2) {
+        length = maxLength - 2;
+
+        if (version > 9) {
+          length--;
+        }
+      }
+
+      // Shift and re-pack to insert length prefix.
+      var index = length;
+
+      if (version > 9) {
+        stringBuffer[index + 2] = 0;
+        stringBuffer[index + 3] = 0;
+
+        while (index--) {
+          bit = stringBuffer[index];
+
+          stringBuffer[index + 3] |= 255 & (bit << 4);
+          stringBuffer[index + 2] = bit >> 4;
+        }
+
+        stringBuffer[2] |= 255 & (length << 4);
+        stringBuffer[1] = length >> 4;
+        stringBuffer[0] = 0x40 | (length >> 12);
+      } else {
+        stringBuffer[index + 1] = 0;
+        stringBuffer[index + 2] = 0;
+
+        while (index--) {
+          bit = stringBuffer[index];
+
+          stringBuffer[index + 2] |= 255 & (bit << 4);
+          stringBuffer[index + 1] = bit >> 4;
+        }
+
+        stringBuffer[1] |= 255 & (length << 4);
+        stringBuffer[0] = 0x40 | (length >> 4);
+      }
+
+      // Fill to end with pad pattern.
+      index = length + 3 - (version < 10);
+
+      while (index < maxLength) {
+        stringBuffer[index++] = 0xec;
+        stringBuffer[index++] = 0x11;
+      }
+    },
+
+    _getBadness: function(length) {
+      var i;
+      var badRuns = 0;
+      var badness = this._badness;
+
+      for (i = 0; i <= length; i++) {
+        if (badness[i] >= 5) {
+          badRuns += Frame.N1 + badness[i] - 5;
+        }
+      }
+
+      // FBFFFBF as in finder.
+      for (i = 3; i < length - 1; i += 2) {
+        if (badness[i - 2] === badness[i + 2] &&
+          badness[i + 2] === badness[i - 1] &&
+          badness[i - 1] === badness[i + 1] &&
+          badness[i - 1] * 3 === badness[i] &&
+          // Background around the foreground pattern? Not part of the specs.
+          (badness[i - 3] === 0 || i + 3 > length ||
+          badness[i - 3] * 3 >= badness[i] * 4 ||
+          badness[i + 3] * 3 >= badness[i] * 4)) {
+          badRuns += Frame.N3;
+        }
+      }
+
+      return badRuns;
+    },
+
+    _finish: function() {
+      // Save pre-mask copy of frame.
+      this._stringBuffer = this.buffer.slice();
+
+      var currentMask, i;
+      var bit = 0;
+      var mask = 30000;
+
+      /*
+       * Using for instead of while since in original Arduino code if an early mask was "good enough" it wouldn't try for
+       * a better one since they get more complex and take longer.
+       */
+      for (i = 0; i < 8; i++) {
+        // Returns foreground-background imbalance.
+        this._applyMask(i);
+
+        currentMask = this._checkBadness();
+
+        // Is current mask better than previous best?
+        if (currentMask < mask) {
+          mask = currentMask;
+          bit = i;
+        }
+
+        // Don't increment "i" to a void redoing mask.
+        if (bit === 7) {
+          break;
+        }
+
+        // Reset for next pass.
+        this.buffer = this._stringBuffer.slice();
+      }
+
+      // Redo best mask as none were "good enough" (i.e. last wasn't bit).
+      if (bit !== i) {
+        this._applyMask(bit);
+      }
+
+      // Add in final mask/ECC level bytes.
+      mask = ErrorCorrection_1.FINAL_FORMAT[bit + (this._level - 1 << 3)];
+
+      var buffer = this.buffer;
+      var width = this.width;
+
+      // Low byte.
+      for (i = 0; i < 8; i++, mask >>= 1) {
+        if (mask & 1) {
+          buffer[width - 1 - i + (width * 8)] = 1;
+
+          if (i < 6) {
+            buffer[8 + (width * i)] = 1;
+          } else {
+            buffer[8 + (width * (i + 1))] = 1;
+          }
+        }
+      }
+
+      // High byte.
+      for (i = 0; i < 7; i++, mask >>= 1) {
+        if (mask & 1) {
+          buffer[8 + (width * (width - 7 + i))] = 1;
+
+          if (i) {
+            buffer[6 - i + (width * 8)] = 1;
+          } else {
+            buffer[7 + (width * 8)] = 1;
+          }
+        }
+      }
+    },
+
+    _interleaveBlocks: function() {
+      var i, j;
+      var dataBlock = this._dataBlock;
+      var ecc = this._ecc;
+      var eccBlock = this._eccBlock;
+      var k = 0;
+      var maxLength = this._calculateMaxLength();
+      var neccBlock1 = this._neccBlock1;
+      var neccBlock2 = this._neccBlock2;
+      var stringBuffer = this._stringBuffer;
+
+      for (i = 0; i < dataBlock; i++) {
+        for (j = 0; j < neccBlock1; j++) {
+          ecc[k++] = stringBuffer[i + (j * dataBlock)];
+        }
+
+        for (j = 0; j < neccBlock2; j++) {
+          ecc[k++] = stringBuffer[(neccBlock1 * dataBlock) + i + (j * (dataBlock + 1))];
+        }
+      }
+
+      for (j = 0; j < neccBlock2; j++) {
+        ecc[k++] = stringBuffer[(neccBlock1 * dataBlock) + i + (j * (dataBlock + 1))];
+      }
+
+      for (i = 0; i < eccBlock; i++) {
+        for (j = 0; j < neccBlock1 + neccBlock2; j++) {
+          ecc[k++] = stringBuffer[maxLength + i + (j * eccBlock)];
+        }
+      }
+
+      this._stringBuffer = ecc;
+    },
+
+    _insertAlignments: function() {
+      var i, x, y;
+      var version = this._version;
+      var width = this.width;
+
+      if (version > 1) {
+        i = Alignment_1.BLOCK[version];
+        y = width - 7;
+
+        for (;;) {
+          x = width - 7;
+
+          while (x > i - 3) {
+            this._addAlignment(x, y);
+
+            if (x < i) {
+              break;
+            }
+
+            x -= i;
+          }
+
+          if (y <= i + 9) {
+            break;
+          }
+
+          y -= i;
+
+          this._addAlignment(6, y);
+          this._addAlignment(y, 6);
+        }
+      }
+    },
+
+    _insertFinders: function() {
+      var i, j, x, y;
+      var buffer = this.buffer;
+      var width = this.width;
+
+      for (i = 0; i < 3; i++) {
+        j = 0;
+        y = 0;
+
+        if (i === 1) {
+          j = width - 7;
+        }
+        if (i === 2) {
+          y = width - 7;
+        }
+
+        buffer[y + 3 + (width * (j + 3))] = 1;
+
+        for (x = 0; x < 6; x++) {
+          buffer[y + x + (width * j)] = 1;
+          buffer[y + (width * (j + x + 1))] = 1;
+          buffer[y + 6 + (width * (j + x))] = 1;
+          buffer[y + x + 1 + (width * (j + 6))] = 1;
+        }
+
+        for (x = 1; x < 5; x++) {
+          this._setMask(y + x, j + 1);
+          this._setMask(y + 1, j + x + 1);
+          this._setMask(y + 5, j + x);
+          this._setMask(y + x + 1, j + 5);
+        }
+
+        for (x = 2; x < 4; x++) {
+          buffer[y + x + (width * (j + 2))] = 1;
+          buffer[y + 2 + (width * (j + x + 1))] = 1;
+          buffer[y + 4 + (width * (j + x))] = 1;
+          buffer[y + x + 1 + (width * (j + 4))] = 1;
+        }
+      }
+    },
+
+    _insertTimingGap: function() {
+      var x, y;
+      var width = this.width;
+
+      for (y = 0; y < 7; y++) {
+        this._setMask(7, y);
+        this._setMask(width - 8, y);
+        this._setMask(7, y + width - 7);
+      }
+
+      for (x = 0; x < 8; x++) {
+        this._setMask(x, 7);
+        this._setMask(x + width - 8, 7);
+        this._setMask(x, width - 8);
+      }
+    },
+
+    _insertTimingRowAndColumn: function() {
+      var x;
+      var buffer = this.buffer;
+      var width = this.width;
+
+      for (x = 0; x < width - 14; x++) {
+        if (x & 1) {
+          this._setMask(8 + x, 6);
+          this._setMask(6, 8 + x);
+        } else {
+          buffer[8 + x + (width * 6)] = 1;
+          buffer[6 + (width * (8 + x))] = 1;
+        }
+      }
+    },
+
+    _insertVersion: function() {
+      var i, j, x, y;
+      var buffer = this.buffer;
+      var version = this._version;
+      var width = this.width;
+
+      if (version > 6) {
+        i = Version_1.BLOCK[version - 7];
+        j = 17;
+
+        for (x = 0; x < 6; x++) {
+          for (y = 0; y < 3; y++, j--) {
+            if (1 & (j > 11 ? version >> j - 12 : i >> j)) {
+              buffer[5 - x + (width * (2 - y + width - 11))] = 1;
+              buffer[2 - y + width - 11 + (width * (5 - x))] = 1;
+            } else {
+              this._setMask(5 - x, 2 - y + width - 11);
+              this._setMask(2 - y + width - 11, 5 - x);
+            }
+          }
+        }
+      }
+    },
+
+    _isMasked: function(x, y) {
+      var bit = Frame._getMaskBit(x, y);
+
+      return this._mask[bit] === 1;
+    },
+
+    _pack: function() {
+      var bit, i, j;
+      var k = 1;
+      var v = 1;
+      var width = this.width;
+      var x = width - 1;
+      var y = width - 1;
+
+      // Interleaved data and ECC codes.
+      var length = ((this._dataBlock + this._eccBlock) * (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2;
+
+      for (i = 0; i < length; i++) {
+        bit = this._stringBuffer[i];
+
+        for (j = 0; j < 8; j++, bit <<= 1) {
+          if (0x80 & bit) {
+            this.buffer[x + (width * y)] = 1;
+          }
+
+          // Find next fill position.
+          do {
+            if (v) {
+              x--;
+            } else {
+              x++;
+
+              if (k) {
+                if (y !== 0) {
+                  y--;
+                } else {
+                  x -= 2;
+                  k = !k;
+
+                  if (x === 6) {
+                    x--;
+                    y = 9;
+                  }
+                }
+              } else if (y !== width - 1) {
+                y++;
+              } else {
+                x -= 2;
+                k = !k;
+
+                if (x === 6) {
+                  x--;
+                  y -= 8;
+                }
+              }
+            }
+
+            v = !v;
+          } while (this._isMasked(x, y));
+        }
+      }
+    },
+
+    _reverseMask: function() {
+      var x, y;
+      var width = this.width;
+
+      for (x = 0; x < 9; x++) {
+        this._setMask(x, 8);
+      }
+
+      for (x = 0; x < 8; x++) {
+        this._setMask(x + width - 8, 8);
+        this._setMask(8, x);
+      }
+
+      for (y = 0; y < 7; y++) {
+        this._setMask(8, y + width - 7);
+      }
+    },
+
+    _setMask: function(x, y) {
+      var bit = Frame._getMaskBit(x, y);
+
+      this._mask[bit] = 1;
+    },
+
+    _syncMask: function() {
+      var x, y;
+      var width = this.width;
+
+      for (y = 0; y < width; y++) {
+        for (x = 0; x <= y; x++) {
+          if (this.buffer[x + (width * y)]) {
+            this._setMask(x, y);
+          }
+        }
+      }
+    }
+
+  }, {
+
+    _createArray: function(length) {
+      var i;
+      var array = [];
+
+      for (i = 0; i < length; i++) {
+        array[i] = 0;
+      }
+
+      return array;
+    },
+
+    _getMaskBit: function(x, y) {
+      var bit;
+
+      if (x > y) {
+        bit = x;
+        x = y;
+        y = bit;
+      }
+
+      bit = y;
+      bit += y * y;
+      bit >>= 1;
+      bit += x;
+
+      return bit;
+    },
+
+    _modN: function(x) {
+      while (x >= 255) {
+        x -= 255;
+        x = (x >> 8) + (x & 255);
+      }
+
+      return x;
+    },
+
+    // *Badness* coefficients.
+    N1: 3,
+    N2: 3,
+    N3: 40,
+    N4: 10
+
+  });
+
+  var Frame_1 = Frame;
+
+  /**
+   * The options used by {@link Frame}.
+   *
+   * @typedef {Object} Frame~Options
+   * @property {string} level - The ECC level to be used.
+   * @property {string} value - The value to be encoded.
+   */
+
+  /**
+   * An implementation of {@link Renderer} for working with <code>img</code> elements.
+   *
+   * This depends on {@link CanvasRenderer} being executed first as this implementation simply applies the data URL from
+   * the rendered <code>canvas</code> element as the <code>src</code> for the <code>img</code> element being rendered.
+   *
+   * @public
+   * @class
+   * @extends Renderer
+   */
+  var ImageRenderer = Renderer_1.extend({
+
+    /**
+     * @override
+     */
+    draw: function() {
+      this.element.src = this.qrious.toDataURL();
+    },
+
+    /**
+     * @override
+     */
+    reset: function() {
+      this.element.src = '';
+    },
+
+    /**
+     * @override
+     */
+    resize: function() {
+      var element = this.element;
+
+      element.width = element.height = this.qrious.size;
+    }
+
+  });
+
+  var ImageRenderer_1 = ImageRenderer;
+
+  /**
+   * Defines an available option while also configuring how values are applied to the target object.
+   *
+   * Optionally, a default value can be specified as well a value transformer for greater control over how the option
+   * value is applied.
+   *
+   * If no value transformer is specified, then any specified option will be applied directly. All values are maintained
+   * on the target object itself as a field using the option name prefixed with a single underscore.
+   *
+   * When an option is specified as modifiable, the {@link OptionManager} will be required to include a setter for the
+   * property that is defined on the target object that uses the option name.
+   *
+   * @param {string} name - the name to be used
+   * @param {boolean} [modifiable] - <code>true</code> if the property defined on target objects should include a setter;
+   * otherwise <code>false</code>
+   * @param {*} [defaultValue] - the default value to be used
+   * @param {Option~ValueTransformer} [valueTransformer] - the value transformer to be used
+   * @public
+   * @class
+   * @extends Nevis
+   */
+  var Option = lite.extend(function(name, modifiable, defaultValue, valueTransformer) {
+    /**
+     * The name for this {@link Option}.
+     *
+     * @public
+     * @type {string}
+     * @memberof Option#
+     */
+    this.name = name;
+
+    /**
+     * Whether a setter should be included on the property defined on target objects for this {@link Option}.
+     *
+     * @public
+     * @type {boolean}
+     * @memberof Option#
+     */
+    this.modifiable = Boolean(modifiable);
+
+    /**
+     * The default value for this {@link Option}.
+     *
+     * @public
+     * @type {*}
+     * @memberof Option#
+     */
+    this.defaultValue = defaultValue;
+
+    this._valueTransformer = valueTransformer;
+  }, {
+
+    /**
+     * Transforms the specified <code>value</code> so that it can be applied for this {@link Option}.
+     *
+     * If a value transformer has been specified for this {@link Option}, it will be called upon to transform
+     * <code>value</code>. Otherwise, <code>value</code> will be returned directly.
+     *
+     * @param {*} value - the value to be transformed
+     * @return {*} The transformed value or <code>value</code> if no value transformer is specified.
+     * @public
+     * @memberof Option#
+     */
+    transform: function(value) {
+      var transformer = this._valueTransformer;
+      if (typeof transformer === 'function') {
+        return transformer(value, this);
+      }
+
+      return value;
+    }
+
+  });
+
+  var Option_1 = Option;
+
+  /**
+   * Returns a transformed value for the specified <code>value</code> to be applied for the <code>option</code> provided.
+   *
+   * @callback Option~ValueTransformer
+   * @param {*} value - the value to be transformed
+   * @param {Option} option - the {@link Option} for which <code>value</code> is being transformed
+   * @return {*} The transform value.
+   */
+
+  /**
+   * Contains utility methods that are useful throughout the library.
+   *
+   * @public
+   * @class
+   * @extends Nevis
+   */
+  var Utilities = lite.extend(null, {
+
+    /**
+     * Returns the absolute value of a given number.
+     *
+     * This method is simply a convenient shorthand for <code>Math.abs</code> while ensuring that nulls are returned as
+     * <code>null</code> instead of zero.
+     *
+     * @param {number} value - the number whose absolute value is to be returned
+     * @return {number} The absolute value of <code>value</code> or <code>null</code> if <code>value</code> is
+     * <code>null</code>.
+     * @public
+     * @static
+     * @memberof Utilities
+     */
+    abs: function(value) {
+      return value != null ? Math.abs(value) : null;
+    },
+
+    /**
+     * Returns whether the specified <code>object</code> has a property with the specified <code>name</code> as an own
+     * (not inherited) property.
+     *
+     * @param {Object} object - the object on which the property is to be checked
+     * @param {string} name - the name of the property to be checked
+     * @return {boolean} <code>true</code> if <code>object</code> has an own property with <code>name</code>.
+     * @public
+     * @static
+     * @memberof Utilities
+     */
+    hasOwn: function(object, name) {
+      return Object.prototype.hasOwnProperty.call(object, name);
+    },
+
+    /**
+     * A non-operation method that does absolutely nothing.
+     *
+     * @return {void}
+     * @public
+     * @static
+     * @memberof Utilities
+     */
+    noop: function() {},
+
+    /**
+     * Transforms the specified <code>string</code> to upper case while remaining null-safe.
+     *
+     * @param {string} string - the string to be transformed to upper case
+     * @return {string} <code>string</code> transformed to upper case if <code>string</code> is not <code>null</code>.
+     * @public
+     * @static
+     * @memberof Utilities
+     */
+    toUpperCase: function(string) {
+      return string != null ? string.toUpperCase() : null;
+    }
+
+  });
+
+  var Utilities_1 = Utilities;
+
+  /**
+   * Manages multiple {@link Option} instances that are intended to be used by multiple implementations.
+   *
+   * Although the option definitions are shared between targets, the values are maintained on the targets themselves.
+   *
+   * @param {Option[]} options - the options to be used
+   * @public
+   * @class
+   * @extends Nevis
+   */
+  var OptionManager = lite.extend(function(options) {
+    /**
+     * The available options for this {@link OptionManager}.
+     *
+     * @public
+     * @type {Object.<string, Option>}
+     * @memberof OptionManager#
+     */
+    this.options = {};
+
+    options.forEach(function(option) {
+      this.options[option.name] = option;
+    }, this);
+  }, {
+
+    /**
+     * Returns whether an option with the specified <code>name</code> is available.
+     *
+     * @param {string} name - the name of the {@link Option} whose existence is to be checked
+     * @return {boolean} <code>true</code> if an {@link Option} exists with <code>name</code>; otherwise
+     * <code>false</code>.
+     * @public
+     * @memberof OptionManager#
+     */
+    exists: function(name) {
+      return this.options[name] != null;
+    },
+
+    /**
+     * Returns the value of the option with the specified <code>name</code> on the <code>target</code> object provided.
+     *
+     * @param {string} name - the name of the {@link Option} whose value on <code>target</code> is to be returned
+     * @param {Object} target - the object from which the value of the named {@link Option} is to be returned
+     * @return {*} The value of the {@link Option} with <code>name</code> on <code>target</code>.
+     * @public
+     * @memberof OptionManager#
+     */
+    get: function(name, target) {
+      return OptionManager._get(this.options[name], target);
+    },
+
+    /**
+     * Returns a copy of all of the available options on the <code>target</code> object provided.
+     *
+     * @param {Object} target - the object from which the option name/value pairs are to be returned
+     * @return {Object.<string, *>} A hash containing the name/value pairs of all options on <code>target</code>.
+     * @public
+     * @memberof OptionManager#
+     */
+    getAll: function(target) {
+      var name;
+      var options = this.options;
+      var result = {};
+
+      for (name in options) {
+        if (Utilities_1.hasOwn(options, name)) {
+          result[name] = OptionManager._get(options[name], target);
+        }
+      }
+
+      return result;
+    },
+
+    /**
+     * Initializes the available options for the <code>target</code> object provided and then applies the initial values
+     * within the speciifed <code>options</code>.
+     *
+     * This method will throw an error if any of the names within <code>options</code> does not match an available option.
+     *
+     * This involves setting the default values and defining properties for all of the available options on
+     * <code>target</code> before finally calling {@link OptionMananger#setAll} with <code>options</code> and
+     * <code>target</code>. Any options that are configured to be modifiable will have a setter included in their defined
+     * property that will allow its corresponding value to be modified.
+     *
+     * If a change handler is specified, it will be called whenever the value changes on <code>target</code> for a
+     * modifiable option, but only when done so via the defined property's setter.
+     *
+     * @param {Object.<string, *>} options - the name/value pairs of the initial options to be set
+     * @param {Object} target - the object on which the options are to be initialized
+     * @param {Function} [changeHandler] - the function to be called whenever the value of an modifiable option changes on
+     * <code>target</code>
+     * @return {void}
+     * @throws {Error} If <code>options</code> contains an invalid option name.
+     * @public
+     * @memberof OptionManager#
+     */
+    init: function(options, target, changeHandler) {
+      if (typeof changeHandler !== 'function') {
+        changeHandler = Utilities_1.noop;
+      }
+
+      var name, option;
+
+      for (name in this.options) {
+        if (Utilities_1.hasOwn(this.options, name)) {
+          option = this.options[name];
+
+          OptionManager._set(option, option.defaultValue, target);
+          OptionManager._createAccessor(option, target, changeHandler);
+        }
+      }
+
+      this._setAll(options, target, true);
+    },
+
+    /**
+     * Sets the value of the option with the specified <code>name</code> on the <code>target</code> object provided to
+     * <code>value</code>.
+     *
+     * This method will throw an error if <code>name</code> does not match an available option or matches an option that
+     * cannot be modified.
+     *
+     * If <code>value</code> is <code>null</code> and the {@link Option} has a default value configured, then that default
+     * value will be used instead. If the {@link Option} also has a value transformer configured, it will be used to
+     * transform whichever value was determined to be used.
+     *
+     * This method returns whether the value of the underlying field on <code>target</code> was changed as a result.
+     *
+     * @param {string} name - the name of the {@link Option} whose value is to be set
+     * @param {*} value - the value to be set for the named {@link Option} on <code>target</code>
+     * @param {Object} target - the object on which <code>value</code> is to be set for the named {@link Option}
+     * @return {boolean} <code>true</code> if the underlying field on <code>target</code> was changed; otherwise
+     * <code>false</code>.
+     * @throws {Error} If <code>name</code> is invalid or is for an option that cannot be modified.
+     * @public
+     * @memberof OptionManager#
+     */
+    set: function(name, value, target) {
+      return this._set(name, value, target);
+    },
+
+    /**
+     * Sets all of the specified <code>options</code> on the <code>target</code> object provided to their corresponding
+     * values.
+     *
+     * This method will throw an error if any of the names within <code>options</code> does not match an available option
+     * or matches an option that cannot be modified.
+     *
+     * If any value within <code>options</code> is <code>null</code> and the corresponding {@link Option} has a default
+     * value configured, then that default value will be used instead. If an {@link Option} also has a value transformer
+     * configured, it will be used to transform whichever value was determined to be used.
+     *
+     * This method returns whether the value for any of the underlying fields on <code>target</code> were changed as a
+     * result.
+     *
+     * @param {Object.<string, *>} options - the name/value pairs of options to be set
+     * @param {Object} target - the object on which the options are to be set
+     * @return {boolean} <code>true</code> if any of the underlying fields on <code>target</code> were changed; otherwise
+     * <code>false</code>.
+     * @throws {Error} If <code>options</code> contains an invalid option name or an option that cannot be modiifed.
+     * @public
+     * @memberof OptionManager#
+     */
+    setAll: function(options, target) {
+      return this._setAll(options, target);
+    },
+
+    _set: function(name, value, target, allowUnmodifiable) {
+      var option = this.options[name];
+      if (!option) {
+        throw new Error('Invalid option: ' + name);
+      }
+      if (!option.modifiable && !allowUnmodifiable) {
+        throw new Error('Option cannot be modified: ' + name);
+      }
+
+      return OptionManager._set(option, value, target);
+    },
+
+    _setAll: function(options, target, allowUnmodifiable) {
+      if (!options) {
+        return false;
+      }
+
+      var name;
+      var changed = false;
+
+      for (name in options) {
+        if (Utilities_1.hasOwn(options, name) && this._set(name, options[name], target, allowUnmodifiable)) {
+          changed = true;
+        }
+      }
+
+      return changed;
+    }
+
+  }, {
+
+    _createAccessor: function(option, target, changeHandler) {
+      var descriptor = {
+        get: function() {
+          return OptionManager._get(option, target);
+        }
+      };
+
+      if (option.modifiable) {
+        descriptor.set = function(value) {
+          if (OptionManager._set(option, value, target)) {
+            changeHandler(value, option);
+          }
+        };
+      }
+
+      Object.defineProperty(target, option.name, descriptor);
+    },
+
+    _get: function(option, target) {
+      return target['_' + option.name];
+    },
+
+    _set: function(option, value, target) {
+      var fieldName = '_' + option.name;
+      var oldValue = target[fieldName];
+      var newValue = option.transform(value != null ? value : option.defaultValue);
+
+      target[fieldName] = newValue;
+
+      return newValue !== oldValue;
+    }
+
+  });
+
+  var OptionManager_1 = OptionManager;
+
+  /**
+   * Called whenever the value of a modifiable {@link Option} is changed on a target object via the defined property's
+   * setter.
+   *
+   * @callback OptionManager~ChangeHandler
+   * @param {*} value - the new value for <code>option</code> on the target object
+   * @param {Option} option - the modifable {@link Option} whose value has changed on the target object.
+   * @return {void}
+   */
+
+  /**
+   * A basic manager for {@link Service} implementations that are mapped to simple names.
+   *
+   * @public
+   * @class
+   * @extends Nevis
+   */
+  var ServiceManager = lite.extend(function() {
+    this._services = {};
+  }, {
+
+    /**
+     * Returns the {@link Service} being managed with the specified <code>name</code>.
+     *
+     * @param {string} name - the name of the {@link Service} to be returned
+     * @return {Service} The {@link Service} is being managed with <code>name</code>.
+     * @throws {Error} If no {@link Service} is being managed with <code>name</code>.
+     * @public
+     * @memberof ServiceManager#
+     */
+    getService: function(name) {
+      var service = this._services[name];
+      if (!service) {
+        throw new Error('Service is not being managed with name: ' + name);
+      }
+
+      return service;
+    },
+
+    /**
+     * Sets the {@link Service} implementation to be managed for the specified <code>name</code> to the
+     * <code>service</code> provided.
+     *
+     * @param {string} name - the name of the {@link Service} to be managed with <code>name</code>
+     * @param {Service} service - the {@link Service} implementation to be managed
+     * @return {void}
+     * @throws {Error} If a {@link Service} is already being managed with the same <code>name</code>.
+     * @public
+     * @memberof ServiceManager#
+     */
+    setService: function(name, service) {
+      if (this._services[name]) {
+        throw new Error('Service is already managed with name: ' + name);
+      }
+
+      if (service) {
+        this._services[name] = service;
+      }
+    }
+
+  });
+
+  var ServiceManager_1 = ServiceManager;
+
+  var optionManager = new OptionManager_1([
+    new Option_1('background', true, 'white'),
+    new Option_1('backgroundAlpha', true, 1, Utilities_1.abs),
+    new Option_1('element'),
+    new Option_1('foreground', true, 'black'),
+    new Option_1('foregroundAlpha', true, 1, Utilities_1.abs),
+    new Option_1('level', true, 'L', Utilities_1.toUpperCase),
+    new Option_1('mime', true, 'image/png'),
+    new Option_1('padding', true, null, Utilities_1.abs),
+    new Option_1('size', true, 100, Utilities_1.abs),
+    new Option_1('value', true, '')
+  ]);
+  var serviceManager = new ServiceManager_1();
+
+  /**
+   * Enables configuration of a QR code generator which uses HTML5 <code>canvas</code> for rendering.
+   *
+   * @param {QRious~Options} [options] - the options to be used
+   * @throws {Error} If any <code>options</code> are invalid.
+   * @public
+   * @class
+   * @extends Nevis
+   */
+  var QRious = lite.extend(function(options) {
+    optionManager.init(options, this, this.update.bind(this));
+
+    var element = optionManager.get('element', this);
+    var elementService = serviceManager.getService('element');
+    var canvas = element && elementService.isCanvas(element) ? element : elementService.createCanvas();
+    var image = element && elementService.isImage(element) ? element : elementService.createImage();
+
+    this._canvasRenderer = new CanvasRenderer_1(this, canvas, true);
+    this._imageRenderer = new ImageRenderer_1(this, image, image === element);
+
+    this.update();
+  }, {
+
+    /**
+     * Returns all of the options configured for this {@link QRious}.
+     *
+     * Any changes made to the returned object will not be reflected in the options themselves or their corresponding
+     * underlying fields.
+     *
+     * @return {Object.<string, *>} A copy of the applied options.
+     * @public
+     * @memberof QRious#
+     */
+    get: function() {
+      return optionManager.getAll(this);
+    },
+
+    /**
+     * Sets all of the specified <code>options</code> and automatically updates this {@link QRious} if any of the
+     * underlying fields are changed as a result.
+     *
+     * This is the preferred method for updating multiple options at one time to avoid unnecessary updates between
+     * changes.
+     *
+     * @param {QRious~Options} options - the options to be set
+     * @return {void}
+     * @throws {Error} If any <code>options</code> are invalid or cannot be modified.
+     * @public
+     * @memberof QRious#
+     */
+    set: function(options) {
+      if (optionManager.setAll(options, this)) {
+        this.update();
+      }
+    },
+
+    /**
+     * Returns the image data URI for the generated QR code using the <code>mime</code> provided.
+     *
+     * @param {string} [mime] - the MIME type for the image
+     * @return {string} The image data URI for the QR code.
+     * @public
+     * @memberof QRious#
+     */
+    toDataURL: function(mime) {
+      return this.canvas.toDataURL(mime || this.mime);
+    },
+
+    /**
+     * Updates this {@link QRious} by generating a new {@link Frame} and re-rendering the QR code.
+     *
+     * @return {void}
+     * @protected
+     * @memberof QRious#
+     */
+    update: function() {
+      var frame = new Frame_1({
+        level: this.level,
+        value: this.value
+      });
+
+      this._canvasRenderer.render(frame);
+      this._imageRenderer.render(frame);
+    }
+
+  }, {
+
+    /**
+     * The current version of {@link QRious}.
+     *
+     * @public
+     * @static
+     * @type {string}
+     * @memberof QRious
+     */
+    VERSION: '3.0.0',
+
+    /**
+     * Configures the <code>service</code> provided to be used by all {@link QRious} instances.
+     *
+     * @param {Service} service - the {@link Service} to be configured
+     * @return {void}
+     * @throws {Error} If a {@link Service} has already been configured with the same name.
+     * @public
+     * @static
+     * @memberof QRious
+     */
+    use: function(service) {
+      serviceManager.setService(service.getName(), service);
+    }
+
+  });
+
+  Object.defineProperties(QRious.prototype, {
+
+    canvas: {
+      /**
+       * Returns the <code>canvas</code> element being used to render the QR code for this {@link QRious}.
+       *
+       * @return {*} The <code>canvas</code> element.
+       * @public
+       * @memberof QRious#
+       * @alias canvas
+       */
+      get: function() {
+        return this._canvasRenderer.getElement();
+      }
+    },
+
+    image: {
+      /**
+       * Returns the <code>img</code> element being used to render the QR code for this {@link QRious}.
+       *
+       * @return {*} The <code>img</code> element.
+       * @public
+       * @memberof QRious#
+       * @alias image
+       */
+      get: function() {
+        return this._imageRenderer.getElement();
+      }
+    }
+
+  });
+
+  var QRious_1 = QRious;
+
+  /**
+   * The options used by {@link QRious}.
+   *
+   * @typedef {Object} QRious~Options
+   * @property {string} [background="white"] - The background color to be applied to the QR code.
+   * @property {number} [backgroundAlpha=1] - The background alpha to be applied to the QR code.
+   * @property {*} [element] - The element to be used to render the QR code which may either be an <code>canvas</code> or
+   * <code>img</code>. The element(s) will be created if needed.
+   * @property {string} [foreground="black"] - The foreground color to be applied to the QR code.
+   * @property {number} [foregroundAlpha=1] - The foreground alpha to be applied to the QR code.
+   * @property {string} [level="L"] - The error correction level to be applied to the QR code.
+   * @property {string} [mime="image/png"] - The MIME type to be used to render the image for the QR code.
+   * @property {number} [padding] - The padding for the QR code in pixels.
+   * @property {number} [size=100] - The size of the QR code in pixels.
+   * @property {string} [value=""] - The value to be encoded within the QR code.
+   */
+
+  QRious_1.use(new BrowserElementService_1());
+
+  var browser = QRious_1;
+
+  return browser;
+
+})));
+
+//# sourceMappingURL=qrious.js.map
\ No newline at end of file
diff --git a/dist/qrious.js.map b/dist/qrious.js.map
new file mode 100644
index 0000000..9ed2ce2
--- /dev/null
+++ b/dist/qrious.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"qrious.js","sources":["../node_modules/nevis/src/extend.js","../node_modules/nevis/src/nevis.js","../node_modules/nevis/lite.js","../src/service/Service.js","../src/service/element/ElementService.js","../src/service/element/BrowserElementService.js","../src/renderer/Renderer.js","../src/renderer/CanvasRenderer.js","../src/Alignment.js","../src/ErrorCorrection.js","../src/Galois.js","../src/Version.js","../src/Frame.js","../src/renderer/ImageRenderer.js","../src/option/Option.js","../src/util/Utilities.js","../src/option/OptionManager.js","../src/service/ServiceManager.js","../src/QRious.js","../src/runtime/browser.js"],"sourcesContent":["/*\n * Copyright (C) 2017 Alasdair Mercer, !ninja\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict';\n\n/**\n * A bare-bones constructor for surrogate prototype swapping.\n *\n * @private\n * @constructor\n */\nvar Constructor = /* istanbul ignore next */ function() {};\n/**\n * A reference to <code>Object.prototype.hasOwnProperty</code>.\n *\n * @private\n * @type {Function}\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\n/**\n * A reference to <code>Array.prototype.slice</code>.\n *\n * @private\n * @type {Function}\n */\nvar slice = Array.prototype.slice;\n\n/**\n * Creates an object which inherits the given <code>prototype</code>.\n *\n * Optionally, the created object can be extended further with the specified <code>properties</code>.\n *\n * @param {Object} prototype - the prototype to be inherited by the created object\n * @param {Object} [properties] - the optional properties to be extended by the created object\n * @return {Object} The newly created object.\n * @private\n */\nfunction createObject(prototype, properties) {\n  var result;\n  /* istanbul ignore next */\n  if (typeof Object.create === 'function') {\n    result = Object.create(prototype);\n  } else {\n    Constructor.prototype = prototype;\n    result = new Constructor();\n    Constructor.prototype = null;\n  }\n\n  if (properties) {\n    extendObject(true, result, properties);\n  }\n\n  return result;\n}\n\n/**\n * Extends the constructor to which this method is associated with the <code>prototype</code> and/or\n * <code>statics</code> provided.\n *\n * If <code>name</code> is provided, it will be used as the class name and can be accessed via a special\n * <code>class_</code> property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * <code>toString</code>), but this is not applicable to the <i>lite</i> version of Nevis.\n *\n * If <code>constructor</code> is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special <code>super_</code> property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child <code>constructor</code> provided or the one created if none was given.\n * @public\n */\nfunction extend(name, constructor, prototype, statics) {\n  var superConstructor = this;\n\n  if (typeof name !== 'string') {\n    statics = prototype;\n    prototype = constructor;\n    constructor = name;\n    name = null;\n  }\n\n  if (typeof constructor !== 'function') {\n    statics = prototype;\n    prototype = constructor;\n    constructor = function() {\n      return superConstructor.apply(this, arguments);\n    };\n  }\n\n  extendObject(false, constructor, superConstructor, statics);\n\n  constructor.prototype = createObject(superConstructor.prototype, prototype);\n  constructor.prototype.constructor = constructor;\n\n  constructor.class_ = name || superConstructor.class_;\n  constructor.super_ = superConstructor;\n\n  return constructor;\n}\n\n/**\n * Extends the specified <code>target</code> object with the properties in each of the <code>sources</code> provided.\n *\n * if any source is <code>null</code> it will be ignored.\n *\n * @param {boolean} own - <code>true</code> to only copy <b>own</b> properties from <code>sources</code> onto\n * <code>target</code>; otherwise <code>false</code>\n * @param {Object} target - the target object which should be extended\n * @param {...Object} [sources] - the source objects whose properties are to be copied onto <code>target</code>\n * @return {void}\n * @private\n */\nfunction extendObject(own, target, sources) {\n  sources = slice.call(arguments, 2);\n\n  var property;\n  var source;\n\n  for (var i = 0, length = sources.length; i < length; i++) {\n    source = sources[i];\n\n    for (property in source) {\n      if (!own || hasOwnProperty.call(source, property)) {\n        target[property] = source[property];\n      }\n    }\n  }\n}\n\nmodule.exports = extend;\n","/*\n * Copyright (C) 2017 Alasdair Mercer, !ninja\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict';\n\nvar extend = require('./extend');\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis';\nNevis.super_ = Object;\n\n/**\n * Extends the constructor to which this method is associated with the <code>prototype</code> and/or\n * <code>statics</code> provided.\n *\n * If <code>name</code> is provided, it will be used as the class name and can be accessed via a special\n * <code>class_</code> property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * <code>toString</code>), but this is not applicable to the <i>lite</i> version of Nevis.\n *\n * If <code>constructor</code> is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special <code>super_</code> property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child <code>constructor</code> provided or the one created if none was given.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.extend = extend;\n\nmodule.exports = Nevis;\n","/*\n * Copyright (C) 2017 Alasdair Mercer, !ninja\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict';\n\nmodule.exports = require('./src/nevis');\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\n/**\n * Defines a service contract that must be met by all implementations.\n *\n * @public\n * @class\n * @extends Nevis\n */\nvar Service = Nevis.extend({\n\n  /**\n   * Returns the name of this {@link Service}.\n   *\n   * @return {string} The service name.\n   * @public\n   * @abstract\n   * @memberof Service#\n   */\n  getName: function() {}\n\n});\n\nmodule.exports = Service;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Service = require('../Service');\n\n/**\n * A service for working with elements.\n *\n * @public\n * @class\n * @extends Service\n */\nvar ElementService = Service.extend({\n\n  /**\n   * Creates an instance of a canvas element.\n   *\n   * Implementations of {@link ElementService} <b>must</b> override this method with their own specific logic.\n   *\n   * @return {*} The newly created canvas element.\n   * @public\n   * @abstract\n   * @memberof ElementService#\n   */\n  createCanvas: function() {},\n\n  /**\n   * Creates an instance of a image element.\n   *\n   * Implementations of {@link ElementService} <b>must</b> override this method with their own specific logic.\n   *\n   * @return {*} The newly created image element.\n   * @public\n   * @abstract\n   * @memberof ElementService#\n   */\n  createImage: function() {},\n\n  /**\n   * @override\n   */\n  getName: function() {\n    return 'element';\n  },\n\n  /**\n   * Returns whether the specified <code>element</code> is a canvas.\n   *\n   * Implementations of {@link ElementService} <b>must</b> override this method with their own specific logic.\n   *\n   * @param {*} element - the element to be checked\n   * @return {boolean} <code>true</code> if <code>element</code> is a canvas; otherwise <code>false</code>.\n   * @public\n   * @abstract\n   * @memberof ElementService#\n   */\n  isCanvas: function(element) {},\n\n  /**\n   * Returns whether the specified <code>element</code> is an image.\n   *\n   * Implementations of {@link ElementService} <b>must</b> override this method with their own specific logic.\n   *\n   * @param {*} element - the element to be checked\n   * @return {boolean} <code>true</code> if <code>element</code> is an image; otherwise <code>false</code>.\n   * @public\n   * @abstract\n   * @memberof ElementService#\n   */\n  isImage: function(element) {}\n\n});\n\nmodule.exports = ElementService;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar ElementService = require('./ElementService');\n\n/**\n * An implementation of {@link ElementService} intended for use within a browser environment.\n *\n * @public\n * @class\n * @extends ElementService\n */\nvar BrowserElementService = ElementService.extend({\n\n  /**\n   * @override\n   */\n  createCanvas: function() {\n    return document.createElement('canvas');\n  },\n\n  /**\n   * @override\n   */\n  createImage: function() {\n    return document.createElement('img');\n  },\n\n  /**\n   * @override\n   */\n  isCanvas: function(element) {\n    return element instanceof HTMLCanvasElement;\n  },\n\n  /**\n   * @override\n   */\n  isImage: function(element) {\n    return element instanceof HTMLImageElement;\n  }\n\n});\n\nmodule.exports = BrowserElementService;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\n/**\n * Responsible for rendering a QR code {@link Frame} on a specific type of element.\n *\n * A renderer may be dependant on the rendering of another element, so the ordering of their execution is important.\n *\n * The rendering of a element can be deferred by disabling the renderer initially, however, any attempt get the element\n * from the renderer will result in it being immediately enabled and the element being rendered.\n *\n * @param {QRious} qrious - the {@link QRious} instance to be used\n * @param {*} element - the element onto which the QR code is to be rendered\n * @param {boolean} [enabled] - <code>true</code> this {@link Renderer} is enabled; otherwise <code>false</code>.\n * @public\n * @class\n * @extends Nevis\n */\nvar Renderer = Nevis.extend(function(qrious, element, enabled) {\n  /**\n   * The {@link QRious} instance.\n   *\n   * @protected\n   * @type {QRious}\n   * @memberof Renderer#\n   */\n  this.qrious = qrious;\n\n  /**\n   * The element onto which this {@link Renderer} is rendering the QR code.\n   *\n   * @protected\n   * @type {*}\n   * @memberof Renderer#\n   */\n  this.element = element;\n  this.element.qrious = qrious;\n\n  /**\n   * Whether this {@link Renderer} is enabled.\n   *\n   * @protected\n   * @type {boolean}\n   * @memberof Renderer#\n   */\n  this.enabled = Boolean(enabled);\n}, {\n\n  /**\n   * Draws the specified QR code <code>frame</code> on the underlying element.\n   *\n   * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.\n   *\n   * @param {Frame} frame - the {@link Frame} to be drawn\n   * @return {void}\n   * @protected\n   * @abstract\n   * @memberof Renderer#\n   */\n  draw: function(frame) {},\n\n  /**\n   * Returns the element onto which this {@link Renderer} is rendering the QR code.\n   *\n   * If this method is called while this {@link Renderer} is disabled, it will be immediately enabled and rendered\n   * before the element is returned.\n   *\n   * @return {*} The element.\n   * @public\n   * @memberof Renderer#\n   */\n  getElement: function() {\n    if (!this.enabled) {\n      this.enabled = true;\n      this.render();\n    }\n\n    return this.element;\n  },\n\n  /**\n   * Calculates the size (in pixel units) to represent an individual module within the QR code based on the\n   * <code>frame</code> provided.\n   *\n   * Any configured padding will be excluded from the returned size.\n   *\n   * The returned value will be at least one, even in cases where the size of the QR code does not fit its contents.\n   * This is done so that the inevitable clipping is handled more gracefully since this way at least something is\n   * displayed instead of just a blank space filled by the background color.\n   *\n   * @param {Frame} frame - the {@link Frame} from which the module size is to be derived\n   * @return {number} The pixel size for each module in the QR code which will be no less than one.\n   * @protected\n   * @memberof Renderer#\n   */\n  getModuleSize: function(frame) {\n    var qrious = this.qrious;\n    var padding = qrious.padding || 0;\n    var pixels = Math.floor((qrious.size - (padding * 2)) / frame.width);\n\n    return Math.max(1, pixels);\n  },\n\n  /**\n   * Calculates the offset/padding (in pixel units) to be inserted before the QR code based on the <code>frame</code>\n   * provided.\n   *\n   * The returned value will be zero if there is no available offset or if the size of the QR code does not fit its\n   * contents. It will never be a negative value. This is done so that the inevitable clipping appears more naturally\n   * and it is not clipped from all directions.\n   *\n   * @param {Frame} frame - the {@link Frame} from which the offset is to be derived\n   * @return {number} The pixel offset for the QR code which will be no less than zero.\n   * @protected\n   * @memberof Renderer#\n   */\n  getOffset: function(frame) {\n    var qrious = this.qrious;\n    var padding = qrious.padding;\n\n    if (padding != null) {\n      return padding;\n    }\n\n    var moduleSize = this.getModuleSize(frame);\n    var offset = Math.floor((qrious.size - (moduleSize * frame.width)) / 2);\n\n    return Math.max(0, offset);\n  },\n\n  /**\n   * Renders a QR code on the underlying element based on the <code>frame</code> provided.\n   *\n   * @param {Frame} frame - the {@link Frame} to be rendered\n   * @return {void}\n   * @public\n   * @memberof Renderer#\n   */\n  render: function(frame) {\n    if (this.enabled) {\n      this.resize();\n      this.reset();\n      this.draw(frame);\n    }\n  },\n\n  /**\n   * Resets the underlying element, effectively clearing any previously rendered QR code.\n   *\n   * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.\n   *\n   * @return {void}\n   * @protected\n   * @abstract\n   * @memberof Renderer#\n   */\n  reset: function() {},\n\n  /**\n   * Ensures that the size of the underlying element matches that defined on the associated {@link QRious} instance.\n   *\n   * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.\n   *\n   * @return {void}\n   * @protected\n   * @abstract\n   * @memberof Renderer#\n   */\n  resize: function() {}\n\n});\n\nmodule.exports = Renderer;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Renderer = require('./Renderer');\n\n/**\n * An implementation of {@link Renderer} for working with <code>canvas</code> elements.\n *\n * @public\n * @class\n * @extends Renderer\n */\nvar CanvasRenderer = Renderer.extend({\n\n  /**\n   * @override\n   */\n  draw: function(frame) {\n    var i, j;\n    var qrious = this.qrious;\n    var moduleSize = this.getModuleSize(frame);\n    var offset = this.getOffset(frame);\n    var context = this.element.getContext('2d');\n\n    context.fillStyle = qrious.foreground;\n    context.globalAlpha = qrious.foregroundAlpha;\n\n    for (i = 0; i < frame.width; i++) {\n      for (j = 0; j < frame.width; j++) {\n        if (frame.buffer[(j * frame.width) + i]) {\n          context.fillRect((moduleSize * i) + offset, (moduleSize * j) + offset, moduleSize, moduleSize);\n        }\n      }\n    }\n  },\n\n  /**\n   * @override\n   */\n  reset: function() {\n    var qrious = this.qrious;\n    var context = this.element.getContext('2d');\n    var size = qrious.size;\n\n    context.lineWidth = 1;\n    context.clearRect(0, 0, size, size);\n    context.fillStyle = qrious.background;\n    context.globalAlpha = qrious.backgroundAlpha;\n    context.fillRect(0, 0, size, size);\n  },\n\n  /**\n   * @override\n   */\n  resize: function() {\n    var element = this.element;\n\n    element.width = element.height = this.qrious.size;\n  }\n\n});\n\nmodule.exports = CanvasRenderer;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\n/* eslint no-multi-spaces: \"off\" */\n\nvar Nevis = require('nevis/lite');\n\n/**\n * Contains alignment pattern information.\n *\n * @public\n * @class\n * @extends Nevis\n */\nvar Alignment = Nevis.extend(null, {\n\n  /**\n   * The alignment pattern block.\n   *\n   * @public\n   * @static\n   * @type {number[]}\n   * @memberof Alignment\n   */\n  BLOCK: [\n    0,  11, 15, 19, 23, 27, 31,\n    16, 18, 20, 22, 24, 26, 28, 20, 22, 24, 24, 26, 28, 28, 22, 24, 24,\n    26, 26, 28, 28, 24, 24, 26, 26, 26, 28, 28, 24, 26, 26, 26, 28, 28\n  ]\n\n});\n\nmodule.exports = Alignment;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\n/* eslint no-multi-spaces: \"off\" */\n\nvar Nevis = require('nevis/lite');\n\n/**\n * Contains error correction information.\n *\n * @public\n * @class\n * @extends Nevis\n */\nvar ErrorCorrection = Nevis.extend(null, {\n\n  /**\n   * The error correction blocks.\n   *\n   * There are four elements per version. The first two indicate the number of blocks, then the data width, and finally\n   * the ECC width.\n   *\n   * @public\n   * @static\n   * @type {number[]}\n   * @memberof ErrorCorrection\n   */\n  BLOCKS: [\n    1,  0,  19,  7,     1,  0,  16,  10,    1,  0,  13,  13,    1,  0,  9,   17,\n    1,  0,  34,  10,    1,  0,  28,  16,    1,  0,  22,  22,    1,  0,  16,  28,\n    1,  0,  55,  15,    1,  0,  44,  26,    2,  0,  17,  18,    2,  0,  13,  22,\n    1,  0,  80,  20,    2,  0,  32,  18,    2,  0,  24,  26,    4,  0,  9,   16,\n    1,  0,  108, 26,    2,  0,  43,  24,    2,  2,  15,  18,    2,  2,  11,  22,\n    2,  0,  68,  18,    4,  0,  27,  16,    4,  0,  19,  24,    4,  0,  15,  28,\n    2,  0,  78,  20,    4,  0,  31,  18,    2,  4,  14,  18,    4,  1,  13,  26,\n    2,  0,  97,  24,    2,  2,  38,  22,    4,  2,  18,  22,    4,  2,  14,  26,\n    2,  0,  116, 30,    3,  2,  36,  22,    4,  4,  16,  20,    4,  4,  12,  24,\n    2,  2,  68,  18,    4,  1,  43,  26,    6,  2,  19,  24,    6,  2,  15,  28,\n    4,  0,  81,  20,    1,  4,  50,  30,    4,  4,  22,  28,    3,  8,  12,  24,\n    2,  2,  92,  24,    6,  2,  36,  22,    4,  6,  20,  26,    7,  4,  14,  28,\n    4,  0,  107, 26,    8,  1,  37,  22,    8,  4,  20,  24,    12, 4,  11,  22,\n    3,  1,  115, 30,    4,  5,  40,  24,    11, 5,  16,  20,    11, 5,  12,  24,\n    5,  1,  87,  22,    5,  5,  41,  24,    5,  7,  24,  30,    11, 7,  12,  24,\n    5,  1,  98,  24,    7,  3,  45,  28,    15, 2,  19,  24,    3,  13, 15,  30,\n    1,  5,  107, 28,    10, 1,  46,  28,    1,  15, 22,  28,    2,  17, 14,  28,\n    5,  1,  120, 30,    9,  4,  43,  26,    17, 1,  22,  28,    2,  19, 14,  28,\n    3,  4,  113, 28,    3,  11, 44,  26,    17, 4,  21,  26,    9,  16, 13,  26,\n    3,  5,  107, 28,    3,  13, 41,  26,    15, 5,  24,  30,    15, 10, 15,  28,\n    4,  4,  116, 28,    17, 0,  42,  26,    17, 6,  22,  28,    19, 6,  16,  30,\n    2,  7,  111, 28,    17, 0,  46,  28,    7,  16, 24,  30,    34, 0,  13,  24,\n    4,  5,  121, 30,    4,  14, 47,  28,    11, 14, 24,  30,    16, 14, 15,  30,\n    6,  4,  117, 30,    6,  14, 45,  28,    11, 16, 24,  30,    30, 2,  16,  30,\n    8,  4,  106, 26,    8,  13, 47,  28,    7,  22, 24,  30,    22, 13, 15,  30,\n    10, 2,  114, 28,    19, 4,  46,  28,    28, 6,  22,  28,    33, 4,  16,  30,\n    8,  4,  122, 30,    22, 3,  45,  28,    8,  26, 23,  30,    12, 28, 15,  30,\n    3,  10, 117, 30,    3,  23, 45,  28,    4,  31, 24,  30,    11, 31, 15,  30,\n    7,  7,  116, 30,    21, 7,  45,  28,    1,  37, 23,  30,    19, 26, 15,  30,\n    5,  10, 115, 30,    19, 10, 47,  28,    15, 25, 24,  30,    23, 25, 15,  30,\n    13, 3,  115, 30,    2,  29, 46,  28,    42, 1,  24,  30,    23, 28, 15,  30,\n    17, 0,  115, 30,    10, 23, 46,  28,    10, 35, 24,  30,    19, 35, 15,  30,\n    17, 1,  115, 30,    14, 21, 46,  28,    29, 19, 24,  30,    11, 46, 15,  30,\n    13, 6,  115, 30,    14, 23, 46,  28,    44, 7,  24,  30,    59, 1,  16,  30,\n    12, 7,  121, 30,    12, 26, 47,  28,    39, 14, 24,  30,    22, 41, 15,  30,\n    6,  14, 121, 30,    6,  34, 47,  28,    46, 10, 24,  30,    2,  64, 15,  30,\n    17, 4,  122, 30,    29, 14, 46,  28,    49, 10, 24,  30,    24, 46, 15,  30,\n    4,  18, 122, 30,    13, 32, 46,  28,    48, 14, 24,  30,    42, 32, 15,  30,\n    20, 4,  117, 30,    40, 7,  47,  28,    43, 22, 24,  30,    10, 67, 15,  30,\n    19, 6,  118, 30,    18, 31, 47,  28,    34, 34, 24,  30,    20, 61, 15,  30\n  ],\n\n  /**\n   * The final format bits with mask (level << 3 | mask).\n   *\n   * @public\n   * @static\n   * @type {number[]}\n   * @memberof ErrorCorrection\n   */\n  FINAL_FORMAT: [\n    // L\n    0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976,\n    // M\n    0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0,\n    // Q\n    0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed,\n    // H\n    0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b\n  ],\n\n  /**\n   * A map of human-readable ECC levels.\n   *\n   * @public\n   * @static\n   * @type {Object.<string, number>}\n   * @memberof ErrorCorrection\n   */\n  LEVELS: {\n    L: 1,\n    M: 2,\n    Q: 3,\n    H: 4\n  }\n\n});\n\nmodule.exports = ErrorCorrection;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\n/**\n * Contains Galois field information.\n *\n * @public\n * @class\n * @extends Nevis\n */\nvar Galois = Nevis.extend(null, {\n\n  /**\n   * The Galois field exponent table.\n   *\n   * @public\n   * @static\n   * @type {number[]}\n   * @memberof Galois\n   */\n  EXPONENT: [\n    0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1d, 0x3a, 0x74, 0xe8, 0xcd, 0x87, 0x13, 0x26,\n    0x4c, 0x98, 0x2d, 0x5a, 0xb4, 0x75, 0xea, 0xc9, 0x8f, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0,\n    0x9d, 0x27, 0x4e, 0x9c, 0x25, 0x4a, 0x94, 0x35, 0x6a, 0xd4, 0xb5, 0x77, 0xee, 0xc1, 0x9f, 0x23,\n    0x46, 0x8c, 0x05, 0x0a, 0x14, 0x28, 0x50, 0xa0, 0x5d, 0xba, 0x69, 0xd2, 0xb9, 0x6f, 0xde, 0xa1,\n    0x5f, 0xbe, 0x61, 0xc2, 0x99, 0x2f, 0x5e, 0xbc, 0x65, 0xca, 0x89, 0x0f, 0x1e, 0x3c, 0x78, 0xf0,\n    0xfd, 0xe7, 0xd3, 0xbb, 0x6b, 0xd6, 0xb1, 0x7f, 0xfe, 0xe1, 0xdf, 0xa3, 0x5b, 0xb6, 0x71, 0xe2,\n    0xd9, 0xaf, 0x43, 0x86, 0x11, 0x22, 0x44, 0x88, 0x0d, 0x1a, 0x34, 0x68, 0xd0, 0xbd, 0x67, 0xce,\n    0x81, 0x1f, 0x3e, 0x7c, 0xf8, 0xed, 0xc7, 0x93, 0x3b, 0x76, 0xec, 0xc5, 0x97, 0x33, 0x66, 0xcc,\n    0x85, 0x17, 0x2e, 0x5c, 0xb8, 0x6d, 0xda, 0xa9, 0x4f, 0x9e, 0x21, 0x42, 0x84, 0x15, 0x2a, 0x54,\n    0xa8, 0x4d, 0x9a, 0x29, 0x52, 0xa4, 0x55, 0xaa, 0x49, 0x92, 0x39, 0x72, 0xe4, 0xd5, 0xb7, 0x73,\n    0xe6, 0xd1, 0xbf, 0x63, 0xc6, 0x91, 0x3f, 0x7e, 0xfc, 0xe5, 0xd7, 0xb3, 0x7b, 0xf6, 0xf1, 0xff,\n    0xe3, 0xdb, 0xab, 0x4b, 0x96, 0x31, 0x62, 0xc4, 0x95, 0x37, 0x6e, 0xdc, 0xa5, 0x57, 0xae, 0x41,\n    0x82, 0x19, 0x32, 0x64, 0xc8, 0x8d, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0, 0xdd, 0xa7, 0x53, 0xa6,\n    0x51, 0xa2, 0x59, 0xb2, 0x79, 0xf2, 0xf9, 0xef, 0xc3, 0x9b, 0x2b, 0x56, 0xac, 0x45, 0x8a, 0x09,\n    0x12, 0x24, 0x48, 0x90, 0x3d, 0x7a, 0xf4, 0xf5, 0xf7, 0xf3, 0xfb, 0xeb, 0xcb, 0x8b, 0x0b, 0x16,\n    0x2c, 0x58, 0xb0, 0x7d, 0xfa, 0xe9, 0xcf, 0x83, 0x1b, 0x36, 0x6c, 0xd8, 0xad, 0x47, 0x8e, 0x00\n  ],\n\n  /**\n   * The Galois field log table.\n   *\n   * @public\n   * @static\n   * @type {number[]}\n   * @memberof Galois\n   */\n  LOG: [\n    0xff, 0x00, 0x01, 0x19, 0x02, 0x32, 0x1a, 0xc6, 0x03, 0xdf, 0x33, 0xee, 0x1b, 0x68, 0xc7, 0x4b,\n    0x04, 0x64, 0xe0, 0x0e, 0x34, 0x8d, 0xef, 0x81, 0x1c, 0xc1, 0x69, 0xf8, 0xc8, 0x08, 0x4c, 0x71,\n    0x05, 0x8a, 0x65, 0x2f, 0xe1, 0x24, 0x0f, 0x21, 0x35, 0x93, 0x8e, 0xda, 0xf0, 0x12, 0x82, 0x45,\n    0x1d, 0xb5, 0xc2, 0x7d, 0x6a, 0x27, 0xf9, 0xb9, 0xc9, 0x9a, 0x09, 0x78, 0x4d, 0xe4, 0x72, 0xa6,\n    0x06, 0xbf, 0x8b, 0x62, 0x66, 0xdd, 0x30, 0xfd, 0xe2, 0x98, 0x25, 0xb3, 0x10, 0x91, 0x22, 0x88,\n    0x36, 0xd0, 0x94, 0xce, 0x8f, 0x96, 0xdb, 0xbd, 0xf1, 0xd2, 0x13, 0x5c, 0x83, 0x38, 0x46, 0x40,\n    0x1e, 0x42, 0xb6, 0xa3, 0xc3, 0x48, 0x7e, 0x6e, 0x6b, 0x3a, 0x28, 0x54, 0xfa, 0x85, 0xba, 0x3d,\n    0xca, 0x5e, 0x9b, 0x9f, 0x0a, 0x15, 0x79, 0x2b, 0x4e, 0xd4, 0xe5, 0xac, 0x73, 0xf3, 0xa7, 0x57,\n    0x07, 0x70, 0xc0, 0xf7, 0x8c, 0x80, 0x63, 0x0d, 0x67, 0x4a, 0xde, 0xed, 0x31, 0xc5, 0xfe, 0x18,\n    0xe3, 0xa5, 0x99, 0x77, 0x26, 0xb8, 0xb4, 0x7c, 0x11, 0x44, 0x92, 0xd9, 0x23, 0x20, 0x89, 0x2e,\n    0x37, 0x3f, 0xd1, 0x5b, 0x95, 0xbc, 0xcf, 0xcd, 0x90, 0x87, 0x97, 0xb2, 0xdc, 0xfc, 0xbe, 0x61,\n    0xf2, 0x56, 0xd3, 0xab, 0x14, 0x2a, 0x5d, 0x9e, 0x84, 0x3c, 0x39, 0x53, 0x47, 0x6d, 0x41, 0xa2,\n    0x1f, 0x2d, 0x43, 0xd8, 0xb7, 0x7b, 0xa4, 0x76, 0xc4, 0x17, 0x49, 0xec, 0x7f, 0x0c, 0x6f, 0xf6,\n    0x6c, 0xa1, 0x3b, 0x52, 0x29, 0x9d, 0x55, 0xaa, 0xfb, 0x60, 0x86, 0xb1, 0xbb, 0xcc, 0x3e, 0x5a,\n    0xcb, 0x59, 0x5f, 0xb0, 0x9c, 0xa9, 0xa0, 0x51, 0x0b, 0xf5, 0x16, 0xeb, 0x7a, 0x75, 0x2c, 0xd7,\n    0x4f, 0xae, 0xd5, 0xe9, 0xe6, 0xe7, 0xad, 0xe8, 0x74, 0xd6, 0xf4, 0xea, 0xa8, 0x50, 0x58, 0xaf\n  ]\n\n});\n\nmodule.exports = Galois;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\n/**\n * Contains version pattern information.\n *\n * @public\n * @class\n * @extends Nevis\n */\nvar Version = Nevis.extend(null, {\n\n  /**\n   * The version pattern block.\n   *\n   * @public\n   * @static\n   * @type {number[]}\n   * @memberof Version\n   */\n  BLOCK: [\n    0xc94, 0x5bc, 0xa99, 0x4d3, 0xbf6, 0x762, 0x847, 0x60d, 0x928, 0xb78, 0x45d, 0xa17, 0x532,\n    0x9a6, 0x683, 0x8c9, 0x7ec, 0xec4, 0x1e1, 0xfab, 0x08e, 0xc1a, 0x33f, 0xd75, 0x250, 0x9d5,\n    0x6f0, 0x8ba, 0x79f, 0xb0b, 0x42e, 0xa64, 0x541, 0xc69\n  ]\n\n});\n\nmodule.exports = Version;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\nvar Alignment = require('./Alignment');\nvar ErrorCorrection = require('./ErrorCorrection');\nvar Galois = require('./Galois');\nvar Version = require('./Version');\n\n/**\n * Generates information for a QR code frame based on a specific value to be encoded.\n *\n * @param {Frame~Options} options - the options to be used\n * @public\n * @class\n * @extends Nevis\n */\nvar Frame = Nevis.extend(function(options) {\n  var dataBlock, eccBlock, index, neccBlock1, neccBlock2;\n  var valueLength = options.value.length;\n\n  this._badness = [];\n  this._level = ErrorCorrection.LEVELS[options.level];\n  this._polynomial = [];\n  this._value = options.value;\n  this._version = 0;\n  this._stringBuffer = [];\n\n  while (this._version < 40) {\n    this._version++;\n\n    index = ((this._level - 1) * 4) + ((this._version - 1) * 16);\n\n    neccBlock1 = ErrorCorrection.BLOCKS[index++];\n    neccBlock2 = ErrorCorrection.BLOCKS[index++];\n    dataBlock = ErrorCorrection.BLOCKS[index++];\n    eccBlock = ErrorCorrection.BLOCKS[index];\n\n    index = (dataBlock * (neccBlock1 + neccBlock2)) + neccBlock2 - 3 + (this._version <= 9);\n\n    if (valueLength <= index) {\n      break;\n    }\n  }\n\n  this._dataBlock = dataBlock;\n  this._eccBlock = eccBlock;\n  this._neccBlock1 = neccBlock1;\n  this._neccBlock2 = neccBlock2;\n\n  /**\n   * The data width is based on version.\n   *\n   * @public\n   * @type {number}\n   * @memberof Frame#\n   */\n  // FIXME: Ensure that it fits instead of being truncated.\n  var width = this.width = 17 + (4 * this._version);\n\n  /**\n   * The image buffer.\n   *\n   * @public\n   * @type {number[]}\n   * @memberof Frame#\n   */\n  this.buffer = Frame._createArray(width * width);\n\n  this._ecc = Frame._createArray(dataBlock + ((dataBlock + eccBlock) * (neccBlock1 + neccBlock2)) + neccBlock2);\n  this._mask = Frame._createArray(((width * (width + 1)) + 1) / 2);\n\n  this._insertFinders();\n  this._insertAlignments();\n\n  // Insert single foreground cell.\n  this.buffer[8 + (width * (width - 8))] = 1;\n\n  this._insertTimingGap();\n  this._reverseMask();\n  this._insertTimingRowAndColumn();\n  this._insertVersion();\n  this._syncMask();\n  this._convertBitStream(valueLength);\n  this._calculatePolynomial();\n  this._appendEccToData();\n  this._interleaveBlocks();\n  this._pack();\n  this._finish();\n}, {\n\n  _addAlignment: function(x, y) {\n    var i;\n    var buffer = this.buffer;\n    var width = this.width;\n\n    buffer[x + (width * y)] = 1;\n\n    for (i = -2; i < 2; i++) {\n      buffer[x + i + (width * (y - 2))] = 1;\n      buffer[x - 2 + (width * (y + i + 1))] = 1;\n      buffer[x + 2 + (width * (y + i))] = 1;\n      buffer[x + i + 1 + (width * (y + 2))] = 1;\n    }\n\n    for (i = 0; i < 2; i++) {\n      this._setMask(x - 1, y + i);\n      this._setMask(x + 1, y - i);\n      this._setMask(x - i, y - 1);\n      this._setMask(x + i, y + 1);\n    }\n  },\n\n  _appendData: function(data, dataLength, ecc, eccLength) {\n    var bit, i, j;\n    var polynomial = this._polynomial;\n    var stringBuffer = this._stringBuffer;\n\n    for (i = 0; i < eccLength; i++) {\n      stringBuffer[ecc + i] = 0;\n    }\n\n    for (i = 0; i < dataLength; i++) {\n      bit = Galois.LOG[stringBuffer[data + i] ^ stringBuffer[ecc]];\n\n      if (bit !== 255) {\n        for (j = 1; j < eccLength; j++) {\n          stringBuffer[ecc + j - 1] = stringBuffer[ecc + j] ^\n            Galois.EXPONENT[Frame._modN(bit + polynomial[eccLength - j])];\n        }\n      } else {\n        for (j = ecc; j < ecc + eccLength; j++) {\n          stringBuffer[j] = stringBuffer[j + 1];\n        }\n      }\n\n      stringBuffer[ecc + eccLength - 1] = bit === 255 ? 0 : Galois.EXPONENT[Frame._modN(bit + polynomial[0])];\n    }\n  },\n\n  _appendEccToData: function() {\n    var i;\n    var data = 0;\n    var dataBlock = this._dataBlock;\n    var ecc = this._calculateMaxLength();\n    var eccBlock = this._eccBlock;\n\n    for (i = 0; i < this._neccBlock1; i++) {\n      this._appendData(data, dataBlock, ecc, eccBlock);\n\n      data += dataBlock;\n      ecc += eccBlock;\n    }\n\n    for (i = 0; i < this._neccBlock2; i++) {\n      this._appendData(data, dataBlock + 1, ecc, eccBlock);\n\n      data += dataBlock + 1;\n      ecc += eccBlock;\n    }\n  },\n\n  _applyMask: function(mask) {\n    var r3x, r3y, x, y;\n    var buffer = this.buffer;\n    var width = this.width;\n\n    switch (mask) {\n    case 0:\n      for (y = 0; y < width; y++) {\n        for (x = 0; x < width; x++) {\n          if (!((x + y) & 1) && !this._isMasked(x, y)) {\n            buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 1:\n      for (y = 0; y < width; y++) {\n        for (x = 0; x < width; x++) {\n          if (!(y & 1) && !this._isMasked(x, y)) {\n            buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 2:\n      for (y = 0; y < width; y++) {\n        for (r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!r3x && !this._isMasked(x, y)) {\n            buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 3:\n      for (r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (r3x = r3y, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!r3x && !this._isMasked(x, y)) {\n            buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 4:\n      for (y = 0; y < width; y++) {\n        for (r3x = 0, r3y = (y >> 1) & 1, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n            r3y = !r3y;\n          }\n\n          if (!r3y && !this._isMasked(x, y)) {\n            buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 5:\n      for (r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!((x & y & 1) + !(!r3x | !r3y)) && !this._isMasked(x, y)) {\n            buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 6:\n      for (r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!((x & y & 1) + (r3x && r3x === r3y) & 1) && !this._isMasked(x, y)) {\n            buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 7:\n      for (r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!((r3x && r3x === r3y) + (x + y & 1) & 1) && !this._isMasked(x, y)) {\n            buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    }\n  },\n\n  _calculateMaxLength: function() {\n    return (this._dataBlock * (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2;\n  },\n\n  _calculatePolynomial: function() {\n    var i, j;\n    var eccBlock = this._eccBlock;\n    var polynomial = this._polynomial;\n\n    polynomial[0] = 1;\n\n    for (i = 0; i < eccBlock; i++) {\n      polynomial[i + 1] = 1;\n\n      for (j = i; j > 0; j--) {\n        polynomial[j] = polynomial[j] ? polynomial[j - 1] ^\n          Galois.EXPONENT[Frame._modN(Galois.LOG[polynomial[j]] + i)] : polynomial[j - 1];\n      }\n\n      polynomial[0] = Galois.EXPONENT[Frame._modN(Galois.LOG[polynomial[0]] + i)];\n    }\n\n    // Use logs for generator polynomial to save calculation step.\n    for (i = 0; i <= eccBlock; i++) {\n      polynomial[i] = Galois.LOG[polynomial[i]];\n    }\n  },\n\n  _checkBadness: function() {\n    var b, b1, h, x, y;\n    var bad = 0;\n    var badness = this._badness;\n    var buffer = this.buffer;\n    var width = this.width;\n\n    // Blocks of same colour.\n    for (y = 0; y < width - 1; y++) {\n      for (x = 0; x < width - 1; x++) {\n        // All foreground colour.\n        if ((buffer[x + (width * y)] &&\n          buffer[x + 1 + (width * y)] &&\n          buffer[x + (width * (y + 1))] &&\n          buffer[x + 1 + (width * (y + 1))]) ||\n          // All background colour.\n          !(buffer[x + (width * y)] ||\n          buffer[x + 1 + (width * y)] ||\n          buffer[x + (width * (y + 1))] ||\n          buffer[x + 1 + (width * (y + 1))])) {\n          bad += Frame.N2;\n        }\n      }\n    }\n\n    var bw = 0;\n\n    // X runs.\n    for (y = 0; y < width; y++) {\n      h = 0;\n\n      badness[0] = 0;\n\n      for (b = 0, x = 0; x < width; x++) {\n        b1 = buffer[x + (width * y)];\n\n        if (b === b1) {\n          badness[h]++;\n        } else {\n          badness[++h] = 1;\n        }\n\n        b = b1;\n        bw += b ? 1 : -1;\n      }\n\n      bad += this._getBadness(h);\n    }\n\n    if (bw < 0) {\n      bw = -bw;\n    }\n\n    var count = 0;\n    var big = bw;\n    big += big << 2;\n    big <<= 1;\n\n    while (big > width * width) {\n      big -= width * width;\n      count++;\n    }\n\n    bad += count * Frame.N4;\n\n    // Y runs.\n    for (x = 0; x < width; x++) {\n      h = 0;\n\n      badness[0] = 0;\n\n      for (b = 0, y = 0; y < width; y++) {\n        b1 = buffer[x + (width * y)];\n\n        if (b === b1) {\n          badness[h]++;\n        } else {\n          badness[++h] = 1;\n        }\n\n        b = b1;\n      }\n\n      bad += this._getBadness(h);\n    }\n\n    return bad;\n  },\n\n  _convertBitStream: function(length) {\n    var bit, i;\n    var ecc = this._ecc;\n    var version = this._version;\n\n    // Convert string to bit stream. 8-bit data to QR-coded 8-bit data (numeric, alphanumeric, or kanji not supported).\n    for (i = 0; i < length; i++) {\n      ecc[i] = this._value.charCodeAt(i);\n    }\n\n    var stringBuffer = this._stringBuffer = ecc.slice();\n    var maxLength = this._calculateMaxLength();\n\n    if (length >= maxLength - 2) {\n      length = maxLength - 2;\n\n      if (version > 9) {\n        length--;\n      }\n    }\n\n    // Shift and re-pack to insert length prefix.\n    var index = length;\n\n    if (version > 9) {\n      stringBuffer[index + 2] = 0;\n      stringBuffer[index + 3] = 0;\n\n      while (index--) {\n        bit = stringBuffer[index];\n\n        stringBuffer[index + 3] |= 255 & (bit << 4);\n        stringBuffer[index + 2] = bit >> 4;\n      }\n\n      stringBuffer[2] |= 255 & (length << 4);\n      stringBuffer[1] = length >> 4;\n      stringBuffer[0] = 0x40 | (length >> 12);\n    } else {\n      stringBuffer[index + 1] = 0;\n      stringBuffer[index + 2] = 0;\n\n      while (index--) {\n        bit = stringBuffer[index];\n\n        stringBuffer[index + 2] |= 255 & (bit << 4);\n        stringBuffer[index + 1] = bit >> 4;\n      }\n\n      stringBuffer[1] |= 255 & (length << 4);\n      stringBuffer[0] = 0x40 | (length >> 4);\n    }\n\n    // Fill to end with pad pattern.\n    index = length + 3 - (version < 10);\n\n    while (index < maxLength) {\n      stringBuffer[index++] = 0xec;\n      stringBuffer[index++] = 0x11;\n    }\n  },\n\n  _getBadness: function(length) {\n    var i;\n    var badRuns = 0;\n    var badness = this._badness;\n\n    for (i = 0; i <= length; i++) {\n      if (badness[i] >= 5) {\n        badRuns += Frame.N1 + badness[i] - 5;\n      }\n    }\n\n    // FBFFFBF as in finder.\n    for (i = 3; i < length - 1; i += 2) {\n      if (badness[i - 2] === badness[i + 2] &&\n        badness[i + 2] === badness[i - 1] &&\n        badness[i - 1] === badness[i + 1] &&\n        badness[i - 1] * 3 === badness[i] &&\n        // Background around the foreground pattern? Not part of the specs.\n        (badness[i - 3] === 0 || i + 3 > length ||\n        badness[i - 3] * 3 >= badness[i] * 4 ||\n        badness[i + 3] * 3 >= badness[i] * 4)) {\n        badRuns += Frame.N3;\n      }\n    }\n\n    return badRuns;\n  },\n\n  _finish: function() {\n    // Save pre-mask copy of frame.\n    this._stringBuffer = this.buffer.slice();\n\n    var currentMask, i;\n    var bit = 0;\n    var mask = 30000;\n\n    /*\n     * Using for instead of while since in original Arduino code if an early mask was \"good enough\" it wouldn't try for\n     * a better one since they get more complex and take longer.\n     */\n    for (i = 0; i < 8; i++) {\n      // Returns foreground-background imbalance.\n      this._applyMask(i);\n\n      currentMask = this._checkBadness();\n\n      // Is current mask better than previous best?\n      if (currentMask < mask) {\n        mask = currentMask;\n        bit = i;\n      }\n\n      // Don't increment \"i\" to a void redoing mask.\n      if (bit === 7) {\n        break;\n      }\n\n      // Reset for next pass.\n      this.buffer = this._stringBuffer.slice();\n    }\n\n    // Redo best mask as none were \"good enough\" (i.e. last wasn't bit).\n    if (bit !== i) {\n      this._applyMask(bit);\n    }\n\n    // Add in final mask/ECC level bytes.\n    mask = ErrorCorrection.FINAL_FORMAT[bit + (this._level - 1 << 3)];\n\n    var buffer = this.buffer;\n    var width = this.width;\n\n    // Low byte.\n    for (i = 0; i < 8; i++, mask >>= 1) {\n      if (mask & 1) {\n        buffer[width - 1 - i + (width * 8)] = 1;\n\n        if (i < 6) {\n          buffer[8 + (width * i)] = 1;\n        } else {\n          buffer[8 + (width * (i + 1))] = 1;\n        }\n      }\n    }\n\n    // High byte.\n    for (i = 0; i < 7; i++, mask >>= 1) {\n      if (mask & 1) {\n        buffer[8 + (width * (width - 7 + i))] = 1;\n\n        if (i) {\n          buffer[6 - i + (width * 8)] = 1;\n        } else {\n          buffer[7 + (width * 8)] = 1;\n        }\n      }\n    }\n  },\n\n  _interleaveBlocks: function() {\n    var i, j;\n    var dataBlock = this._dataBlock;\n    var ecc = this._ecc;\n    var eccBlock = this._eccBlock;\n    var k = 0;\n    var maxLength = this._calculateMaxLength();\n    var neccBlock1 = this._neccBlock1;\n    var neccBlock2 = this._neccBlock2;\n    var stringBuffer = this._stringBuffer;\n\n    for (i = 0; i < dataBlock; i++) {\n      for (j = 0; j < neccBlock1; j++) {\n        ecc[k++] = stringBuffer[i + (j * dataBlock)];\n      }\n\n      for (j = 0; j < neccBlock2; j++) {\n        ecc[k++] = stringBuffer[(neccBlock1 * dataBlock) + i + (j * (dataBlock + 1))];\n      }\n    }\n\n    for (j = 0; j < neccBlock2; j++) {\n      ecc[k++] = stringBuffer[(neccBlock1 * dataBlock) + i + (j * (dataBlock + 1))];\n    }\n\n    for (i = 0; i < eccBlock; i++) {\n      for (j = 0; j < neccBlock1 + neccBlock2; j++) {\n        ecc[k++] = stringBuffer[maxLength + i + (j * eccBlock)];\n      }\n    }\n\n    this._stringBuffer = ecc;\n  },\n\n  _insertAlignments: function() {\n    var i, x, y;\n    var version = this._version;\n    var width = this.width;\n\n    if (version > 1) {\n      i = Alignment.BLOCK[version];\n      y = width - 7;\n\n      for (;;) {\n        x = width - 7;\n\n        while (x > i - 3) {\n          this._addAlignment(x, y);\n\n          if (x < i) {\n            break;\n          }\n\n          x -= i;\n        }\n\n        if (y <= i + 9) {\n          break;\n        }\n\n        y -= i;\n\n        this._addAlignment(6, y);\n        this._addAlignment(y, 6);\n      }\n    }\n  },\n\n  _insertFinders: function() {\n    var i, j, x, y;\n    var buffer = this.buffer;\n    var width = this.width;\n\n    for (i = 0; i < 3; i++) {\n      j = 0;\n      y = 0;\n\n      if (i === 1) {\n        j = width - 7;\n      }\n      if (i === 2) {\n        y = width - 7;\n      }\n\n      buffer[y + 3 + (width * (j + 3))] = 1;\n\n      for (x = 0; x < 6; x++) {\n        buffer[y + x + (width * j)] = 1;\n        buffer[y + (width * (j + x + 1))] = 1;\n        buffer[y + 6 + (width * (j + x))] = 1;\n        buffer[y + x + 1 + (width * (j + 6))] = 1;\n      }\n\n      for (x = 1; x < 5; x++) {\n        this._setMask(y + x, j + 1);\n        this._setMask(y + 1, j + x + 1);\n        this._setMask(y + 5, j + x);\n        this._setMask(y + x + 1, j + 5);\n      }\n\n      for (x = 2; x < 4; x++) {\n        buffer[y + x + (width * (j + 2))] = 1;\n        buffer[y + 2 + (width * (j + x + 1))] = 1;\n        buffer[y + 4 + (width * (j + x))] = 1;\n        buffer[y + x + 1 + (width * (j + 4))] = 1;\n      }\n    }\n  },\n\n  _insertTimingGap: function() {\n    var x, y;\n    var width = this.width;\n\n    for (y = 0; y < 7; y++) {\n      this._setMask(7, y);\n      this._setMask(width - 8, y);\n      this._setMask(7, y + width - 7);\n    }\n\n    for (x = 0; x < 8; x++) {\n      this._setMask(x, 7);\n      this._setMask(x + width - 8, 7);\n      this._setMask(x, width - 8);\n    }\n  },\n\n  _insertTimingRowAndColumn: function() {\n    var x;\n    var buffer = this.buffer;\n    var width = this.width;\n\n    for (x = 0; x < width - 14; x++) {\n      if (x & 1) {\n        this._setMask(8 + x, 6);\n        this._setMask(6, 8 + x);\n      } else {\n        buffer[8 + x + (width * 6)] = 1;\n        buffer[6 + (width * (8 + x))] = 1;\n      }\n    }\n  },\n\n  _insertVersion: function() {\n    var i, j, x, y;\n    var buffer = this.buffer;\n    var version = this._version;\n    var width = this.width;\n\n    if (version > 6) {\n      i = Version.BLOCK[version - 7];\n      j = 17;\n\n      for (x = 0; x < 6; x++) {\n        for (y = 0; y < 3; y++, j--) {\n          if (1 & (j > 11 ? version >> j - 12 : i >> j)) {\n            buffer[5 - x + (width * (2 - y + width - 11))] = 1;\n            buffer[2 - y + width - 11 + (width * (5 - x))] = 1;\n          } else {\n            this._setMask(5 - x, 2 - y + width - 11);\n            this._setMask(2 - y + width - 11, 5 - x);\n          }\n        }\n      }\n    }\n  },\n\n  _isMasked: function(x, y) {\n    var bit = Frame._getMaskBit(x, y);\n\n    return this._mask[bit] === 1;\n  },\n\n  _pack: function() {\n    var bit, i, j;\n    var k = 1;\n    var v = 1;\n    var width = this.width;\n    var x = width - 1;\n    var y = width - 1;\n\n    // Interleaved data and ECC codes.\n    var length = ((this._dataBlock + this._eccBlock) * (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2;\n\n    for (i = 0; i < length; i++) {\n      bit = this._stringBuffer[i];\n\n      for (j = 0; j < 8; j++, bit <<= 1) {\n        if (0x80 & bit) {\n          this.buffer[x + (width * y)] = 1;\n        }\n\n        // Find next fill position.\n        do {\n          if (v) {\n            x--;\n          } else {\n            x++;\n\n            if (k) {\n              if (y !== 0) {\n                y--;\n              } else {\n                x -= 2;\n                k = !k;\n\n                if (x === 6) {\n                  x--;\n                  y = 9;\n                }\n              }\n            } else if (y !== width - 1) {\n              y++;\n            } else {\n              x -= 2;\n              k = !k;\n\n              if (x === 6) {\n                x--;\n                y -= 8;\n              }\n            }\n          }\n\n          v = !v;\n        } while (this._isMasked(x, y));\n      }\n    }\n  },\n\n  _reverseMask: function() {\n    var x, y;\n    var width = this.width;\n\n    for (x = 0; x < 9; x++) {\n      this._setMask(x, 8);\n    }\n\n    for (x = 0; x < 8; x++) {\n      this._setMask(x + width - 8, 8);\n      this._setMask(8, x);\n    }\n\n    for (y = 0; y < 7; y++) {\n      this._setMask(8, y + width - 7);\n    }\n  },\n\n  _setMask: function(x, y) {\n    var bit = Frame._getMaskBit(x, y);\n\n    this._mask[bit] = 1;\n  },\n\n  _syncMask: function() {\n    var x, y;\n    var width = this.width;\n\n    for (y = 0; y < width; y++) {\n      for (x = 0; x <= y; x++) {\n        if (this.buffer[x + (width * y)]) {\n          this._setMask(x, y);\n        }\n      }\n    }\n  }\n\n}, {\n\n  _createArray: function(length) {\n    var i;\n    var array = [];\n\n    for (i = 0; i < length; i++) {\n      array[i] = 0;\n    }\n\n    return array;\n  },\n\n  _getMaskBit: function(x, y) {\n    var bit;\n\n    if (x > y) {\n      bit = x;\n      x = y;\n      y = bit;\n    }\n\n    bit = y;\n    bit += y * y;\n    bit >>= 1;\n    bit += x;\n\n    return bit;\n  },\n\n  _modN: function(x) {\n    while (x >= 255) {\n      x -= 255;\n      x = (x >> 8) + (x & 255);\n    }\n\n    return x;\n  },\n\n  // *Badness* coefficients.\n  N1: 3,\n  N2: 3,\n  N3: 40,\n  N4: 10\n\n});\n\nmodule.exports = Frame;\n\n/**\n * The options used by {@link Frame}.\n *\n * @typedef {Object} Frame~Options\n * @property {string} level - The ECC level to be used.\n * @property {string} value - The value to be encoded.\n */\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Renderer = require('./Renderer');\n\n/**\n * An implementation of {@link Renderer} for working with <code>img</code> elements.\n *\n * This depends on {@link CanvasRenderer} being executed first as this implementation simply applies the data URL from\n * the rendered <code>canvas</code> element as the <code>src</code> for the <code>img</code> element being rendered.\n *\n * @public\n * @class\n * @extends Renderer\n */\nvar ImageRenderer = Renderer.extend({\n\n  /**\n   * @override\n   */\n  draw: function() {\n    this.element.src = this.qrious.toDataURL();\n  },\n\n  /**\n   * @override\n   */\n  reset: function() {\n    this.element.src = '';\n  },\n\n  /**\n   * @override\n   */\n  resize: function() {\n    var element = this.element;\n\n    element.width = element.height = this.qrious.size;\n  }\n\n});\n\nmodule.exports = ImageRenderer;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\n/**\n * Defines an available option while also configuring how values are applied to the target object.\n *\n * Optionally, a default value can be specified as well a value transformer for greater control over how the option\n * value is applied.\n *\n * If no value transformer is specified, then any specified option will be applied directly. All values are maintained\n * on the target object itself as a field using the option name prefixed with a single underscore.\n *\n * When an option is specified as modifiable, the {@link OptionManager} will be required to include a setter for the\n * property that is defined on the target object that uses the option name.\n *\n * @param {string} name - the name to be used\n * @param {boolean} [modifiable] - <code>true</code> if the property defined on target objects should include a setter;\n * otherwise <code>false</code>\n * @param {*} [defaultValue] - the default value to be used\n * @param {Option~ValueTransformer} [valueTransformer] - the value transformer to be used\n * @public\n * @class\n * @extends Nevis\n */\nvar Option = Nevis.extend(function(name, modifiable, defaultValue, valueTransformer) {\n  /**\n   * The name for this {@link Option}.\n   *\n   * @public\n   * @type {string}\n   * @memberof Option#\n   */\n  this.name = name;\n\n  /**\n   * Whether a setter should be included on the property defined on target objects for this {@link Option}.\n   *\n   * @public\n   * @type {boolean}\n   * @memberof Option#\n   */\n  this.modifiable = Boolean(modifiable);\n\n  /**\n   * The default value for this {@link Option}.\n   *\n   * @public\n   * @type {*}\n   * @memberof Option#\n   */\n  this.defaultValue = defaultValue;\n\n  this._valueTransformer = valueTransformer;\n}, {\n\n  /**\n   * Transforms the specified <code>value</code> so that it can be applied for this {@link Option}.\n   *\n   * If a value transformer has been specified for this {@link Option}, it will be called upon to transform\n   * <code>value</code>. Otherwise, <code>value</code> will be returned directly.\n   *\n   * @param {*} value - the value to be transformed\n   * @return {*} The transformed value or <code>value</code> if no value transformer is specified.\n   * @public\n   * @memberof Option#\n   */\n  transform: function(value) {\n    var transformer = this._valueTransformer;\n    if (typeof transformer === 'function') {\n      return transformer(value, this);\n    }\n\n    return value;\n  }\n\n});\n\nmodule.exports = Option;\n\n/**\n * Returns a transformed value for the specified <code>value</code> to be applied for the <code>option</code> provided.\n *\n * @callback Option~ValueTransformer\n * @param {*} value - the value to be transformed\n * @param {Option} option - the {@link Option} for which <code>value</code> is being transformed\n * @return {*} The transform value.\n */\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\n/**\n * Contains utility methods that are useful throughout the library.\n *\n * @public\n * @class\n * @extends Nevis\n */\nvar Utilities = Nevis.extend(null, {\n\n  /**\n   * Returns the absolute value of a given number.\n   *\n   * This method is simply a convenient shorthand for <code>Math.abs</code> while ensuring that nulls are returned as\n   * <code>null</code> instead of zero.\n   *\n   * @param {number} value - the number whose absolute value is to be returned\n   * @return {number} The absolute value of <code>value</code> or <code>null</code> if <code>value</code> is\n   * <code>null</code>.\n   * @public\n   * @static\n   * @memberof Utilities\n   */\n  abs: function(value) {\n    return value != null ? Math.abs(value) : null;\n  },\n\n  /**\n   * Returns whether the specified <code>object</code> has a property with the specified <code>name</code> as an own\n   * (not inherited) property.\n   *\n   * @param {Object} object - the object on which the property is to be checked\n   * @param {string} name - the name of the property to be checked\n   * @return {boolean} <code>true</code> if <code>object</code> has an own property with <code>name</code>.\n   * @public\n   * @static\n   * @memberof Utilities\n   */\n  hasOwn: function(object, name) {\n    return Object.prototype.hasOwnProperty.call(object, name);\n  },\n\n  /**\n   * A non-operation method that does absolutely nothing.\n   *\n   * @return {void}\n   * @public\n   * @static\n   * @memberof Utilities\n   */\n  noop: function() {},\n\n  /**\n   * Transforms the specified <code>string</code> to upper case while remaining null-safe.\n   *\n   * @param {string} string - the string to be transformed to upper case\n   * @return {string} <code>string</code> transformed to upper case if <code>string</code> is not <code>null</code>.\n   * @public\n   * @static\n   * @memberof Utilities\n   */\n  toUpperCase: function(string) {\n    return string != null ? string.toUpperCase() : null;\n  }\n\n});\n\nmodule.exports = Utilities;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\nvar Utilities = require('../util/Utilities');\n\n/**\n * Manages multiple {@link Option} instances that are intended to be used by multiple implementations.\n *\n * Although the option definitions are shared between targets, the values are maintained on the targets themselves.\n *\n * @param {Option[]} options - the options to be used\n * @public\n * @class\n * @extends Nevis\n */\nvar OptionManager = Nevis.extend(function(options) {\n  /**\n   * The available options for this {@link OptionManager}.\n   *\n   * @public\n   * @type {Object.<string, Option>}\n   * @memberof OptionManager#\n   */\n  this.options = {};\n\n  options.forEach(function(option) {\n    this.options[option.name] = option;\n  }, this);\n}, {\n\n  /**\n   * Returns whether an option with the specified <code>name</code> is available.\n   *\n   * @param {string} name - the name of the {@link Option} whose existence is to be checked\n   * @return {boolean} <code>true</code> if an {@link Option} exists with <code>name</code>; otherwise\n   * <code>false</code>.\n   * @public\n   * @memberof OptionManager#\n   */\n  exists: function(name) {\n    return this.options[name] != null;\n  },\n\n  /**\n   * Returns the value of the option with the specified <code>name</code> on the <code>target</code> object provided.\n   *\n   * @param {string} name - the name of the {@link Option} whose value on <code>target</code> is to be returned\n   * @param {Object} target - the object from which the value of the named {@link Option} is to be returned\n   * @return {*} The value of the {@link Option} with <code>name</code> on <code>target</code>.\n   * @public\n   * @memberof OptionManager#\n   */\n  get: function(name, target) {\n    return OptionManager._get(this.options[name], target);\n  },\n\n  /**\n   * Returns a copy of all of the available options on the <code>target</code> object provided.\n   *\n   * @param {Object} target - the object from which the option name/value pairs are to be returned\n   * @return {Object.<string, *>} A hash containing the name/value pairs of all options on <code>target</code>.\n   * @public\n   * @memberof OptionManager#\n   */\n  getAll: function(target) {\n    var name;\n    var options = this.options;\n    var result = {};\n\n    for (name in options) {\n      if (Utilities.hasOwn(options, name)) {\n        result[name] = OptionManager._get(options[name], target);\n      }\n    }\n\n    return result;\n  },\n\n  /**\n   * Initializes the available options for the <code>target</code> object provided and then applies the initial values\n   * within the speciifed <code>options</code>.\n   *\n   * This method will throw an error if any of the names within <code>options</code> does not match an available option.\n   *\n   * This involves setting the default values and defining properties for all of the available options on\n   * <code>target</code> before finally calling {@link OptionMananger#setAll} with <code>options</code> and\n   * <code>target</code>. Any options that are configured to be modifiable will have a setter included in their defined\n   * property that will allow its corresponding value to be modified.\n   *\n   * If a change handler is specified, it will be called whenever the value changes on <code>target</code> for a\n   * modifiable option, but only when done so via the defined property's setter.\n   *\n   * @param {Object.<string, *>} options - the name/value pairs of the initial options to be set\n   * @param {Object} target - the object on which the options are to be initialized\n   * @param {Function} [changeHandler] - the function to be called whenever the value of an modifiable option changes on\n   * <code>target</code>\n   * @return {void}\n   * @throws {Error} If <code>options</code> contains an invalid option name.\n   * @public\n   * @memberof OptionManager#\n   */\n  init: function(options, target, changeHandler) {\n    if (typeof changeHandler !== 'function') {\n      changeHandler = Utilities.noop;\n    }\n\n    var name, option;\n\n    for (name in this.options) {\n      if (Utilities.hasOwn(this.options, name)) {\n        option = this.options[name];\n\n        OptionManager._set(option, option.defaultValue, target);\n        OptionManager._createAccessor(option, target, changeHandler);\n      }\n    }\n\n    this._setAll(options, target, true);\n  },\n\n  /**\n   * Sets the value of the option with the specified <code>name</code> on the <code>target</code> object provided to\n   * <code>value</code>.\n   *\n   * This method will throw an error if <code>name</code> does not match an available option or matches an option that\n   * cannot be modified.\n   *\n   * If <code>value</code> is <code>null</code> and the {@link Option} has a default value configured, then that default\n   * value will be used instead. If the {@link Option} also has a value transformer configured, it will be used to\n   * transform whichever value was determined to be used.\n   *\n   * This method returns whether the value of the underlying field on <code>target</code> was changed as a result.\n   *\n   * @param {string} name - the name of the {@link Option} whose value is to be set\n   * @param {*} value - the value to be set for the named {@link Option} on <code>target</code>\n   * @param {Object} target - the object on which <code>value</code> is to be set for the named {@link Option}\n   * @return {boolean} <code>true</code> if the underlying field on <code>target</code> was changed; otherwise\n   * <code>false</code>.\n   * @throws {Error} If <code>name</code> is invalid or is for an option that cannot be modified.\n   * @public\n   * @memberof OptionManager#\n   */\n  set: function(name, value, target) {\n    return this._set(name, value, target);\n  },\n\n  /**\n   * Sets all of the specified <code>options</code> on the <code>target</code> object provided to their corresponding\n   * values.\n   *\n   * This method will throw an error if any of the names within <code>options</code> does not match an available option\n   * or matches an option that cannot be modified.\n   *\n   * If any value within <code>options</code> is <code>null</code> and the corresponding {@link Option} has a default\n   * value configured, then that default value will be used instead. If an {@link Option} also has a value transformer\n   * configured, it will be used to transform whichever value was determined to be used.\n   *\n   * This method returns whether the value for any of the underlying fields on <code>target</code> were changed as a\n   * result.\n   *\n   * @param {Object.<string, *>} options - the name/value pairs of options to be set\n   * @param {Object} target - the object on which the options are to be set\n   * @return {boolean} <code>true</code> if any of the underlying fields on <code>target</code> were changed; otherwise\n   * <code>false</code>.\n   * @throws {Error} If <code>options</code> contains an invalid option name or an option that cannot be modiifed.\n   * @public\n   * @memberof OptionManager#\n   */\n  setAll: function(options, target) {\n    return this._setAll(options, target);\n  },\n\n  _set: function(name, value, target, allowUnmodifiable) {\n    var option = this.options[name];\n    if (!option) {\n      throw new Error('Invalid option: ' + name);\n    }\n    if (!option.modifiable && !allowUnmodifiable) {\n      throw new Error('Option cannot be modified: ' + name);\n    }\n\n    return OptionManager._set(option, value, target);\n  },\n\n  _setAll: function(options, target, allowUnmodifiable) {\n    if (!options) {\n      return false;\n    }\n\n    var name;\n    var changed = false;\n\n    for (name in options) {\n      if (Utilities.hasOwn(options, name) && this._set(name, options[name], target, allowUnmodifiable)) {\n        changed = true;\n      }\n    }\n\n    return changed;\n  }\n\n}, {\n\n  _createAccessor: function(option, target, changeHandler) {\n    var descriptor = {\n      get: function() {\n        return OptionManager._get(option, target);\n      }\n    };\n\n    if (option.modifiable) {\n      descriptor.set = function(value) {\n        if (OptionManager._set(option, value, target)) {\n          changeHandler(value, option);\n        }\n      };\n    }\n\n    Object.defineProperty(target, option.name, descriptor);\n  },\n\n  _get: function(option, target) {\n    return target['_' + option.name];\n  },\n\n  _set: function(option, value, target) {\n    var fieldName = '_' + option.name;\n    var oldValue = target[fieldName];\n    var newValue = option.transform(value != null ? value : option.defaultValue);\n\n    target[fieldName] = newValue;\n\n    return newValue !== oldValue;\n  }\n\n});\n\nmodule.exports = OptionManager;\n\n/**\n * Called whenever the value of a modifiable {@link Option} is changed on a target object via the defined property's\n * setter.\n *\n * @callback OptionManager~ChangeHandler\n * @param {*} value - the new value for <code>option</code> on the target object\n * @param {Option} option - the modifable {@link Option} whose value has changed on the target object.\n * @return {void}\n */\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\n/**\n * A basic manager for {@link Service} implementations that are mapped to simple names.\n *\n * @public\n * @class\n * @extends Nevis\n */\nvar ServiceManager = Nevis.extend(function() {\n  this._services = {};\n}, {\n\n  /**\n   * Returns the {@link Service} being managed with the specified <code>name</code>.\n   *\n   * @param {string} name - the name of the {@link Service} to be returned\n   * @return {Service} The {@link Service} is being managed with <code>name</code>.\n   * @throws {Error} If no {@link Service} is being managed with <code>name</code>.\n   * @public\n   * @memberof ServiceManager#\n   */\n  getService: function(name) {\n    var service = this._services[name];\n    if (!service) {\n      throw new Error('Service is not being managed with name: ' + name);\n    }\n\n    return service;\n  },\n\n  /**\n   * Sets the {@link Service} implementation to be managed for the specified <code>name</code> to the\n   * <code>service</code> provided.\n   *\n   * @param {string} name - the name of the {@link Service} to be managed with <code>name</code>\n   * @param {Service} service - the {@link Service} implementation to be managed\n   * @return {void}\n   * @throws {Error} If a {@link Service} is already being managed with the same <code>name</code>.\n   * @public\n   * @memberof ServiceManager#\n   */\n  setService: function(name, service) {\n    if (this._services[name]) {\n      throw new Error('Service is already managed with name: ' + name);\n    }\n\n    if (service) {\n      this._services[name] = service;\n    }\n  }\n\n});\n\nmodule.exports = ServiceManager;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\nvar CanvasRenderer = require('./renderer/CanvasRenderer');\nvar Frame = require('./Frame');\nvar ImageRenderer = require('./renderer/ImageRenderer');\nvar Option = require('./option/Option');\nvar OptionManager = require('./option/OptionManager');\nvar ServiceManager = require('./service/ServiceManager');\nvar Utilities = require('./util/Utilities');\n\nvar optionManager = new OptionManager([\n  new Option('background', true, 'white'),\n  new Option('backgroundAlpha', true, 1, Utilities.abs),\n  new Option('element'),\n  new Option('foreground', true, 'black'),\n  new Option('foregroundAlpha', true, 1, Utilities.abs),\n  new Option('level', true, 'L', Utilities.toUpperCase),\n  new Option('mime', true, 'image/png'),\n  new Option('padding', true, null, Utilities.abs),\n  new Option('size', true, 100, Utilities.abs),\n  new Option('value', true, '')\n]);\nvar serviceManager = new ServiceManager();\n\n/**\n * Enables configuration of a QR code generator which uses HTML5 <code>canvas</code> for rendering.\n *\n * @param {QRious~Options} [options] - the options to be used\n * @throws {Error} If any <code>options</code> are invalid.\n * @public\n * @class\n * @extends Nevis\n */\nvar QRious = Nevis.extend(function(options) {\n  optionManager.init(options, this, this.update.bind(this));\n\n  var element = optionManager.get('element', this);\n  var elementService = serviceManager.getService('element');\n  var canvas = element && elementService.isCanvas(element) ? element : elementService.createCanvas();\n  var image = element && elementService.isImage(element) ? element : elementService.createImage();\n\n  this._canvasRenderer = new CanvasRenderer(this, canvas, true);\n  this._imageRenderer = new ImageRenderer(this, image, image === element);\n\n  this.update();\n}, {\n\n  /**\n   * Returns all of the options configured for this {@link QRious}.\n   *\n   * Any changes made to the returned object will not be reflected in the options themselves or their corresponding\n   * underlying fields.\n   *\n   * @return {Object.<string, *>} A copy of the applied options.\n   * @public\n   * @memberof QRious#\n   */\n  get: function() {\n    return optionManager.getAll(this);\n  },\n\n  /**\n   * Sets all of the specified <code>options</code> and automatically updates this {@link QRious} if any of the\n   * underlying fields are changed as a result.\n   *\n   * This is the preferred method for updating multiple options at one time to avoid unnecessary updates between\n   * changes.\n   *\n   * @param {QRious~Options} options - the options to be set\n   * @return {void}\n   * @throws {Error} If any <code>options</code> are invalid or cannot be modified.\n   * @public\n   * @memberof QRious#\n   */\n  set: function(options) {\n    if (optionManager.setAll(options, this)) {\n      this.update();\n    }\n  },\n\n  /**\n   * Returns the image data URI for the generated QR code using the <code>mime</code> provided.\n   *\n   * @param {string} [mime] - the MIME type for the image\n   * @return {string} The image data URI for the QR code.\n   * @public\n   * @memberof QRious#\n   */\n  toDataURL: function(mime) {\n    return this.canvas.toDataURL(mime || this.mime);\n  },\n\n  /**\n   * Updates this {@link QRious} by generating a new {@link Frame} and re-rendering the QR code.\n   *\n   * @return {void}\n   * @protected\n   * @memberof QRious#\n   */\n  update: function() {\n    var frame = new Frame({\n      level: this.level,\n      value: this.value\n    });\n\n    this._canvasRenderer.render(frame);\n    this._imageRenderer.render(frame);\n  }\n\n}, {\n\n  /**\n   * The current version of {@link QRious}.\n   *\n   * @public\n   * @static\n   * @type {string}\n   * @memberof QRious\n   */\n  VERSION: '3.0.0',\n\n  /**\n   * Configures the <code>service</code> provided to be used by all {@link QRious} instances.\n   *\n   * @param {Service} service - the {@link Service} to be configured\n   * @return {void}\n   * @throws {Error} If a {@link Service} has already been configured with the same name.\n   * @public\n   * @static\n   * @memberof QRious\n   */\n  use: function(service) {\n    serviceManager.setService(service.getName(), service);\n  }\n\n});\n\nObject.defineProperties(QRious.prototype, {\n\n  canvas: {\n    /**\n     * Returns the <code>canvas</code> element being used to render the QR code for this {@link QRious}.\n     *\n     * @return {*} The <code>canvas</code> element.\n     * @public\n     * @memberof QRious#\n     * @alias canvas\n     */\n    get: function() {\n      return this._canvasRenderer.getElement();\n    }\n  },\n\n  image: {\n    /**\n     * Returns the <code>img</code> element being used to render the QR code for this {@link QRious}.\n     *\n     * @return {*} The <code>img</code> element.\n     * @public\n     * @memberof QRious#\n     * @alias image\n     */\n    get: function() {\n      return this._imageRenderer.getElement();\n    }\n  }\n\n});\n\nmodule.exports = QRious;\n\n/**\n * The options used by {@link QRious}.\n *\n * @typedef {Object} QRious~Options\n * @property {string} [background=\"white\"] - The background color to be applied to the QR code.\n * @property {number} [backgroundAlpha=1] - The background alpha to be applied to the QR code.\n * @property {*} [element] - The element to be used to render the QR code which may either be an <code>canvas</code> or\n * <code>img</code>. The element(s) will be created if needed.\n * @property {string} [foreground=\"black\"] - The foreground color to be applied to the QR code.\n * @property {number} [foregroundAlpha=1] - The foreground alpha to be applied to the QR code.\n * @property {string} [level=\"L\"] - The error correction level to be applied to the QR code.\n * @property {string} [mime=\"image/png\"] - The MIME type to be used to render the image for the QR code.\n * @property {number} [padding] - The padding for the QR code in pixels.\n * @property {number} [size=100] - The size of the QR code in pixels.\n * @property {string} [value=\"\"] - The value to be encoded within the QR code.\n */\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar BrowserElementService = require('../service/element/BrowserElementService');\nvar QRious = require('../QRious');\n\nQRious.use(new BrowserElementService());\n\nmodule.exports = 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diff --git a/dist/qrious.min.js b/dist/qrious.min.js
new file mode 100644
index 0000000..03dcce1
--- /dev/null
+++ b/dist/qrious.min.js
@@ -0,0 +1,6 @@
+/*! QRious v3.0.0 | (C) 2017 Alasdair Mercer | GPL v3 License
+Based on jsqrencode | (C) 2010 tz@execpc.com | GPL v3 License
+*/
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define("qrious",e):t.QRious=e()}(this,function(){"use strict";function t(t,e){var n;return"function"==typeof Object.create?n=Object.create(t):(s.prototype=t,n=new s,s.prototype=null),e&&i(!0,n,e),n}function e(e,n,s,r){var o=this;return"string"!=typeof e&&(r=s,s=n,n=e,e=null),"function"!=typeof n&&(r=s,s=n,n=function(){return o.apply(this,arguments)}),i(!1,n,o,r),n.prototype=t(o.prototype,s),n.prototype.constructor=n,n.class_=e||o.class_,n.super_=o,n}function i(t,e,i){for(var n,s,a=0,h=(i=o.call(arguments,2)).length;a<h;a++){s=i[a];for(n in s)t&&!r.call(s,n)||(e[n]=s[n])}}function n(){}var s=function(){},r=Object.prototype.hasOwnProperty,o=Array.prototype.slice,a=e;n.class_="Nevis",n.super_=Object,n.extend=a;var h=n,f=h.extend({getName:function(){}}).extend({createCanvas:function(){},createImage:function(){},getName:function(){return"element"},isCanvas:function(t){},isImage:function(t){}}).extend({createCanvas:function(){return document.createElement("canvas")},createImage:function(){return document.createElement("img")},isCanvas:function(t){return t instanceof HTMLCanvasElement},isImage:function(t){return t instanceof HTMLImageElement}}),c=h.extend(function(t,e,i){this.qrious=t,this.element=e,this.element.qrious=t,this.enabled=Boolean(i)},{draw:function(t){},getElement:function(){return this.enabled||(this.enabled=!0,this.render()),this.element},getModuleSize:function(t){var e=this.qrious,i=e.padding||0,n=Math.floor((e.size-2*i)/t.width);return Math.max(1,n)},getOffset:function(t){var e=this.qrious,i=e.padding;if(null!=i)return i;var n=this.getModuleSize(t),s=Math.floor((e.size-n*t.width)/2);return Math.max(0,s)},render:function(t){this.enabled&&(this.resize(),this.reset(),this.draw(t))},reset:function(){},resize:function(){}}),u=c.extend({draw:function(t){var e,i,n=this.qrious,s=this.getModuleSize(t),r=this.getOffset(t),o=this.element.getContext("2d");for(o.fillStyle=n.foreground,o.globalAlpha=n.foregroundAlpha,e=0;e<t.width;e++)for(i=0;i<t.width;i++)t.buffer[i*t.width+e]&&o.fillRect(s*e+r,s*i+r,s,s)},reset:function(){var t=this.qrious,e=this.element.getContext("2d"),i=t.size;e.lineWidth=1,e.clearRect(0,0,i,i),e.fillStyle=t.background,e.globalAlpha=t.backgroundAlpha,e.fillRect(0,0,i,i)},resize:function(){var t=this.element;t.width=t.height=this.qrious.size}}),l=h.extend(null,{BLOCK:[0,11,15,19,23,27,31,16,18,20,22,24,26,28,20,22,24,24,26,28,28,22,24,24,26,26,28,28,24,24,26,26,26,28,28,24,26,26,26,28,28]}),_=h.extend(null,{BLOCKS:[1,0,19,7,1,0,16,10,1,0,13,13,1,0,9,17,1,0,34,10,1,0,28,16,1,0,22,22,1,0,16,28,1,0,55,15,1,0,44,26,2,0,17,18,2,0,13,22,1,0,80,20,2,0,32,18,2,0,24,26,4,0,9,16,1,0,108,26,2,0,43,24,2,2,15,18,2,2,11,22,2,0,68,18,4,0,27,16,4,0,19,24,4,0,15,28,2,0,78,20,4,0,31,18,2,4,14,18,4,1,13,26,2,0,97,24,2,2,38,22,4,2,18,22,4,2,14,26,2,0,116,30,3,2,36,22,4,4,16,20,4,4,12,24,2,2,68,18,4,1,43,26,6,2,19,24,6,2,15,28,4,0,81,20,1,4,50,30,4,4,22,28,3,8,12,24,2,2,92,24,6,2,36,22,4,6,20,26,7,4,14,28,4,0,107,26,8,1,37,22,8,4,20,24,12,4,11,22,3,1,115,30,4,5,40,24,11,5,16,20,11,5,12,24,5,1,87,22,5,5,41,24,5,7,24,30,11,7,12,24,5,1,98,24,7,3,45,28,15,2,19,24,3,13,15,30,1,5,107,28,10,1,46,28,1,15,22,28,2,17,14,28,5,1,120,30,9,4,43,26,17,1,22,28,2,19,14,28,3,4,113,28,3,11,44,26,17,4,21,26,9,16,13,26,3,5,107,28,3,13,41,26,15,5,24,30,15,10,15,28,4,4,116,28,17,0,42,26,17,6,22,28,19,6,16,30,2,7,111,28,17,0,46,28,7,16,24,30,34,0,13,24,4,5,121,30,4,14,47,28,11,14,24,30,16,14,15,30,6,4,117,30,6,14,45,28,11,16,24,30,30,2,16,30,8,4,106,26,8,13,47,28,7,22,24,30,22,13,15,30,10,2,114,28,19,4,46,28,28,6,22,28,33,4,16,30,8,4,122,30,22,3,45,28,8,26,23,30,12,28,15,30,3,10,117,30,3,23,45,28,4,31,24,30,11,31,15,30,7,7,116,30,21,7,45,28,1,37,23,30,19,26,15,30,5,10,115,30,19,10,47,28,15,25,24,30,23,25,15,30,13,3,115,30,2,29,46,28,42,1,24,30,23,28,15,30,17,0,115,30,10,23,46,28,10,35,24,30,19,35,15,30,17,1,115,30,14,21,46,28,29,19,24,30,11,46,15,30,13,6,115,30,14,23,46,28,44,7,24,30,59,1,16,30,12,7,121,30,12,26,47,28,39,14,24,30,22,41,15,30,6,14,121,30,6,34,47,28,46,10,24,30,2,64,15,30,17,4,122,30,29,14,46,28,49,10,24,30,24,46,15,30,4,18,122,30,13,32,46,28,48,14,24,30,42,32,15,30,20,4,117,30,40,7,47,28,43,22,24,30,10,67,15,30,19,6,118,30,18,31,47,28,34,34,24,30,20,61,15,30],FINAL_FORMAT:[30660,29427,32170,30877,26159,25368,27713,26998,21522,20773,24188,23371,17913,16590,20375,19104,13663,12392,16177,14854,9396,8579,11994,11245,5769,5054,7399,6608,1890,597,3340,2107],LEVELS:{L:1,M:2,Q:3,H:4}}),d=h.extend(null,{EXPONENT:[1,2,4,8,16,32,64,128,29,58,116,232,205,135,19,38,76,152,45,90,180,117,234,201,143,3,6,12,24,48,96,192,157,39,78,156,37,74,148,53,106,212,181,119,238,193,159,35,70,140,5,10,20,40,80,160,93,186,105,210,185,111,222,161,95,190,97,194,153,47,94,188,101,202,137,15,30,60,120,240,253,231,211,187,107,214,177,127,254,225,223,163,91,182,113,226,217,175,67,134,17,34,68,136,13,26,52,104,208,189,103,206,129,31,62,124,248,237,199,147,59,118,236,197,151,51,102,204,133,23,46,92,184,109,218,169,79,158,33,66,132,21,42,84,168,77,154,41,82,164,85,170,73,146,57,114,228,213,183,115,230,209,191,99,198,145,63,126,252,229,215,179,123,246,241,255,227,219,171,75,150,49,98,196,149,55,110,220,165,87,174,65,130,25,50,100,200,141,7,14,28,56,112,224,221,167,83,166,81,162,89,178,121,242,249,239,195,155,43,86,172,69,138,9,18,36,72,144,61,122,244,245,247,243,251,235,203,139,11,22,44,88,176,125,250,233,207,131,27,54,108,216,173,71,142,0],LOG:[255,0,1,25,2,50,26,198,3,223,51,238,27,104,199,75,4,100,224,14,52,141,239,129,28,193,105,248,200,8,76,113,5,138,101,47,225,36,15,33,53,147,142,218,240,18,130,69,29,181,194,125,106,39,249,185,201,154,9,120,77,228,114,166,6,191,139,98,102,221,48,253,226,152,37,179,16,145,34,136,54,208,148,206,143,150,219,189,241,210,19,92,131,56,70,64,30,66,182,163,195,72,126,110,107,58,40,84,250,133,186,61,202,94,155,159,10,21,121,43,78,212,229,172,115,243,167,87,7,112,192,247,140,128,99,13,103,74,222,237,49,197,254,24,227,165,153,119,38,184,180,124,17,68,146,217,35,32,137,46,55,63,209,91,149,188,207,205,144,135,151,178,220,252,190,97,242,86,211,171,20,42,93,158,132,60,57,83,71,109,65,162,31,45,67,216,183,123,164,118,196,23,73,236,127,12,111,246,108,161,59,82,41,157,85,170,251,96,134,177,187,204,62,90,203,89,95,176,156,169,160,81,11,245,22,235,122,117,44,215,79,174,213,233,230,231,173,232,116,214,244,234,168,80,88,175]}),v=h.extend(null,{BLOCK:[3220,1468,2713,1235,3062,1890,2119,1549,2344,2936,1117,2583,1330,2470,1667,2249,2028,3780,481,4011,142,3098,831,3445,592,2517,1776,2234,1951,2827,1070,2660,1345,3177]}),p=h.extend(function(t){var e,i,n,s,r,o=t.value.length;for(this._badness=[],this._level=_.LEVELS[t.level],this._polynomial=[],this._value=t.value,this._version=0,this._stringBuffer=[];this._version<40&&(this._version++,n=4*(this._level-1)+16*(this._version-1),s=_.BLOCKS[n++],r=_.BLOCKS[n++],e=_.BLOCKS[n++],i=_.BLOCKS[n],n=e*(s+r)+r-3+(this._version<=9),!(o<=n)););this._dataBlock=e,this._eccBlock=i,this._neccBlock1=s,this._neccBlock2=r;var a=this.width=17+4*this._version;this.buffer=p._createArray(a*a),this._ecc=p._createArray(e+(e+i)*(s+r)+r),this._mask=p._createArray((a*(a+1)+1)/2),this._insertFinders(),this._insertAlignments(),this.buffer[8+a*(a-8)]=1,this._insertTimingGap(),this._reverseMask(),this._insertTimingRowAndColumn(),this._insertVersion(),this._syncMask(),this._convertBitStream(o),this._calculatePolynomial(),this._appendEccToData(),this._interleaveBlocks(),this._pack(),this._finish()},{_addAlignment:function(t,e){var i,n=this.buffer,s=this.width;for(n[t+s*e]=1,i=-2;i<2;i++)n[t+i+s*(e-2)]=1,n[t-2+s*(e+i+1)]=1,n[t+2+s*(e+i)]=1,n[t+i+1+s*(e+2)]=1;for(i=0;i<2;i++)this._setMask(t-1,e+i),this._setMask(t+1,e-i),this._setMask(t-i,e-1),this._setMask(t+i,e+1)},_appendData:function(t,e,i,n){var s,r,o,a=this._polynomial,h=this._stringBuffer;for(r=0;r<n;r++)h[i+r]=0;for(r=0;r<e;r++){if(255!==(s=d.LOG[h[t+r]^h[i]]))for(o=1;o<n;o++)h[i+o-1]=h[i+o]^d.EXPONENT[p._modN(s+a[n-o])];else for(o=i;o<i+n;o++)h[o]=h[o+1];h[i+n-1]=255===s?0:d.EXPONENT[p._modN(s+a[0])]}},_appendEccToData:function(){var t,e=0,i=this._dataBlock,n=this._calculateMaxLength(),s=this._eccBlock;for(t=0;t<this._neccBlock1;t++)this._appendData(e,i,n,s),e+=i,n+=s;for(t=0;t<this._neccBlock2;t++)this._appendData(e,i+1,n,s),e+=i+1,n+=s},_applyMask:function(t){var e,i,n,s,r=this.buffer,o=this.width;switch(t){case 0:for(s=0;s<o;s++)for(n=0;n<o;n++)n+s&1||this._isMasked(n,s)||(r[n+s*o]^=1);break;case 1:for(s=0;s<o;s++)for(n=0;n<o;n++)1&s||this._isMasked(n,s)||(r[n+s*o]^=1);break;case 2:for(s=0;s<o;s++)for(e=0,n=0;n<o;n++,e++)3===e&&(e=0),e||this._isMasked(n,s)||(r[n+s*o]^=1);break;case 3:for(i=0,s=0;s<o;s++,i++)for(3===i&&(i=0),e=i,n=0;n<o;n++,e++)3===e&&(e=0),e||this._isMasked(n,s)||(r[n+s*o]^=1);break;case 4:for(s=0;s<o;s++)for(e=0,i=s>>1&1,n=0;n<o;n++,e++)3===e&&(e=0,i=!i),i||this._isMasked(n,s)||(r[n+s*o]^=1);break;case 5:for(i=0,s=0;s<o;s++,i++)for(3===i&&(i=0),e=0,n=0;n<o;n++,e++)3===e&&(e=0),(n&s&1)+!(!e|!i)||this._isMasked(n,s)||(r[n+s*o]^=1);break;case 6:for(i=0,s=0;s<o;s++,i++)for(3===i&&(i=0),e=0,n=0;n<o;n++,e++)3===e&&(e=0),(n&s&1)+(e&&e===i)&1||this._isMasked(n,s)||(r[n+s*o]^=1);break;case 7:for(i=0,s=0;s<o;s++,i++)for(3===i&&(i=0),e=0,n=0;n<o;n++,e++)3===e&&(e=0),(e&&e===i)+(n+s&1)&1||this._isMasked(n,s)||(r[n+s*o]^=1)}},_calculateMaxLength:function(){return this._dataBlock*(this._neccBlock1+this._neccBlock2)+this._neccBlock2},_calculatePolynomial:function(){var t,e,i=this._eccBlock,n=this._polynomial;for(n[0]=1,t=0;t<i;t++){for(n[t+1]=1,e=t;e>0;e--)n[e]=n[e]?n[e-1]^d.EXPONENT[p._modN(d.LOG[n[e]]+t)]:n[e-1];n[0]=d.EXPONENT[p._modN(d.LOG[n[0]]+t)]}for(t=0;t<=i;t++)n[t]=d.LOG[n[t]]},_checkBadness:function(){var t,e,i,n,s,r=0,o=this._badness,a=this.buffer,h=this.width;for(s=0;s<h-1;s++)for(n=0;n<h-1;n++)(a[n+h*s]&&a[n+1+h*s]&&a[n+h*(s+1)]&&a[n+1+h*(s+1)]||!(a[n+h*s]||a[n+1+h*s]||a[n+h*(s+1)]||a[n+1+h*(s+1)]))&&(r+=p.N2);var f=0;for(s=0;s<h;s++){for(i=0,o[0]=0,t=0,n=0;n<h;n++)t===(e=a[n+h*s])?o[i]++:o[++i]=1,f+=(t=e)?1:-1;r+=this._getBadness(i)}f<0&&(f=-f);var c=0,u=f;for(u+=u<<2,u<<=1;u>h*h;)u-=h*h,c++;for(r+=c*p.N4,n=0;n<h;n++){for(i=0,o[0]=0,t=0,s=0;s<h;s++)t===(e=a[n+h*s])?o[i]++:o[++i]=1,t=e;r+=this._getBadness(i)}return r},_convertBitStream:function(t){var e,i,n=this._ecc,s=this._version;for(i=0;i<t;i++)n[i]=this._value.charCodeAt(i);var r=this._stringBuffer=n.slice(),o=this._calculateMaxLength();t>=o-2&&(t=o-2,s>9&&t--);var a=t;if(s>9){for(r[a+2]=0,r[a+3]=0;a--;)e=r[a],r[a+3]|=255&e<<4,r[a+2]=e>>4;r[2]|=255&t<<4,r[1]=t>>4,r[0]=64|t>>12}else{for(r[a+1]=0,r[a+2]=0;a--;)e=r[a],r[a+2]|=255&e<<4,r[a+1]=e>>4;r[1]|=255&t<<4,r[0]=64|t>>4}for(a=t+3-(s<10);a<o;)r[a++]=236,r[a++]=17},_getBadness:function(t){var e,i=0,n=this._badness;for(e=0;e<=t;e++)n[e]>=5&&(i+=p.N1+n[e]-5);for(e=3;e<t-1;e+=2)n[e-2]===n[e+2]&&n[e+2]===n[e-1]&&n[e-1]===n[e+1]&&3*n[e-1]===n[e]&&(0===n[e-3]||e+3>t||3*n[e-3]>=4*n[e]||3*n[e+3]>=4*n[e])&&(i+=p.N3);return i},_finish:function(){this._stringBuffer=this.buffer.slice();var t,e,i=0,n=3e4;for(e=0;e<8&&(this._applyMask(e),(t=this._checkBadness())<n&&(n=t,i=e),7!==i);e++)this.buffer=this._stringBuffer.slice();i!==e&&this._applyMask(i),n=_.FINAL_FORMAT[i+(this._level-1<<3)];var s=this.buffer,r=this.width;for(e=0;e<8;e++,n>>=1)1&n&&(s[r-1-e+8*r]=1,e<6?s[8+r*e]=1:s[8+r*(e+1)]=1);for(e=0;e<7;e++,n>>=1)1&n&&(s[8+r*(r-7+e)]=1,e?s[6-e+8*r]=1:s[7+8*r]=1)},_interleaveBlocks:function(){var t,e,i=this._dataBlock,n=this._ecc,s=this._eccBlock,r=0,o=this._calculateMaxLength(),a=this._neccBlock1,h=this._neccBlock2,f=this._stringBuffer;for(t=0;t<i;t++){for(e=0;e<a;e++)n[r++]=f[t+e*i];for(e=0;e<h;e++)n[r++]=f[a*i+t+e*(i+1)]}for(e=0;e<h;e++)n[r++]=f[a*i+t+e*(i+1)];for(t=0;t<s;t++)for(e=0;e<a+h;e++)n[r++]=f[o+t+e*s];this._stringBuffer=n},_insertAlignments:function(){var t,e,i,n=this._version,s=this.width;if(n>1)for(t=l.BLOCK[n],i=s-7;;){for(e=s-7;e>t-3&&(this._addAlignment(e,i),!(e<t));)e-=t;if(i<=t+9)break;i-=t,this._addAlignment(6,i),this._addAlignment(i,6)}},_insertFinders:function(){var t,e,i,n,s=this.buffer,r=this.width;for(t=0;t<3;t++){for(e=0,n=0,1===t&&(e=r-7),2===t&&(n=r-7),s[n+3+r*(e+3)]=1,i=0;i<6;i++)s[n+i+r*e]=1,s[n+r*(e+i+1)]=1,s[n+6+r*(e+i)]=1,s[n+i+1+r*(e+6)]=1;for(i=1;i<5;i++)this._setMask(n+i,e+1),this._setMask(n+1,e+i+1),this._setMask(n+5,e+i),this._setMask(n+i+1,e+5);for(i=2;i<4;i++)s[n+i+r*(e+2)]=1,s[n+2+r*(e+i+1)]=1,s[n+4+r*(e+i)]=1,s[n+i+1+r*(e+4)]=1}},_insertTimingGap:function(){var t,e,i=this.width;for(e=0;e<7;e++)this._setMask(7,e),this._setMask(i-8,e),this._setMask(7,e+i-7);for(t=0;t<8;t++)this._setMask(t,7),this._setMask(t+i-8,7),this._setMask(t,i-8)},_insertTimingRowAndColumn:function(){var t,e=this.buffer,i=this.width;for(t=0;t<i-14;t++)1&t?(this._setMask(8+t,6),this._setMask(6,8+t)):(e[8+t+6*i]=1,e[6+i*(8+t)]=1)},_insertVersion:function(){var t,e,i,n,s=this.buffer,r=this._version,o=this.width;if(r>6)for(t=v.BLOCK[r-7],e=17,i=0;i<6;i++)for(n=0;n<3;n++,e--)1&(e>11?r>>e-12:t>>e)?(s[5-i+o*(2-n+o-11)]=1,s[2-n+o-11+o*(5-i)]=1):(this._setMask(5-i,2-n+o-11),this._setMask(2-n+o-11,5-i))},_isMasked:function(t,e){var i=p._getMaskBit(t,e);return 1===this._mask[i]},_pack:function(){var t,e,i,n=1,s=1,r=this.width,o=r-1,a=r-1,h=(this._dataBlock+this._eccBlock)*(this._neccBlock1+this._neccBlock2)+this._neccBlock2;for(e=0;e<h;e++)for(t=this._stringBuffer[e],i=0;i<8;i++,t<<=1){128&t&&(this.buffer[o+r*a]=1);do{s?o--:(o++,n?0!==a?a--:(n=!n,6===(o-=2)&&(o--,a=9)):a!==r-1?a++:(n=!n,6===(o-=2)&&(o--,a-=8))),s=!s}while(this._isMasked(o,a))}},_reverseMask:function(){var t,e,i=this.width;for(t=0;t<9;t++)this._setMask(t,8);for(t=0;t<8;t++)this._setMask(t+i-8,8),this._setMask(8,t);for(e=0;e<7;e++)this._setMask(8,e+i-7)},_setMask:function(t,e){var i=p._getMaskBit(t,e);this._mask[i]=1},_syncMask:function(){var t,e,i=this.width;for(e=0;e<i;e++)for(t=0;t<=e;t++)this.buffer[t+i*e]&&this._setMask(t,e)}},{_createArray:function(t){var e,i=[];for(e=0;e<t;e++)i[e]=0;return i},_getMaskBit:function(t,e){var i;return t>e&&(i=t,t=e,e=i),i=e,i+=e*e,i>>=1,i+=t},_modN:function(t){for(;t>=255;)t=((t-=255)>>8)+(255&t);return t},N1:3,N2:3,N3:40,N4:10}),m=p,g=c.extend({draw:function(){this.element.src=this.qrious.toDataURL()},reset:function(){this.element.src=""},resize:function(){var t=this.element;t.width=t.height=this.qrious.size}}),k=h.extend(function(t,e,i,n){this.name=t,this.modifiable=Boolean(e),this.defaultValue=i,this._valueTransformer=n},{transform:function(t){var e=this._valueTransformer;return"function"==typeof e?e(t,this):t}}),w=h.extend(null,{abs:function(t){return null!=t?Math.abs(t):null},hasOwn:function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},noop:function(){},toUpperCase:function(t){return null!=t?t.toUpperCase():null}}),M=h.extend(function(t){this.options={},t.forEach(function(t){this.options[t.name]=t},this)},{exists:function(t){return null!=this.options[t]},get:function(t,e){return M._get(this.options[t],e)},getAll:function(t){var e,i=this.options,n={};for(e in i)w.hasOwn(i,e)&&(n[e]=M._get(i[e],t));return n},init:function(t,e,i){"function"!=typeof i&&(i=w.noop);var n,s;for(n in this.options)w.hasOwn(this.options,n)&&(s=this.options[n],M._set(s,s.defaultValue,e),M._createAccessor(s,e,i));this._setAll(t,e,!0)},set:function(t,e,i){return this._set(t,e,i)},setAll:function(t,e){return this._setAll(t,e)},_set:function(t,e,i,n){var s=this.options[t];if(!s)throw new Error("Invalid option: "+t);if(!s.modifiable&&!n)throw new Error("Option cannot be modified: "+t);return M._set(s,e,i)},_setAll:function(t,e,i){if(!t)return!1;var n,s=!1;for(n in t)w.hasOwn(t,n)&&this._set(n,t[n],e,i)&&(s=!0);return s}},{_createAccessor:function(t,e,i){var n={get:function(){return M._get(t,e)}};t.modifiable&&(n.set=function(n){M._set(t,n,e)&&i(n,t)}),Object.defineProperty(e,t.name,n)},_get:function(t,e){return e["_"+t.name]},_set:function(t,e,i){var n="_"+t.name,s=i[n],r=t.transform(null!=e?e:t.defaultValue);return i[n]=r,r!==s}}),b=M,B=h.extend(function(){this._services={}},{getService:function(t){var e=this._services[t];if(!e)throw new Error("Service is not being managed with name: "+t);return e},setService:function(t,e){if(this._services[t])throw new Error("Service is already managed with name: "+t);e&&(this._services[t]=e)}}),y=new b([new k("background",!0,"white"),new k("backgroundAlpha",!0,1,w.abs),new k("element"),new k("foreground",!0,"black"),new k("foregroundAlpha",!0,1,w.abs),new k("level",!0,"L",w.toUpperCase),new k("mime",!0,"image/png"),new k("padding",!0,null,w.abs),new k("size",!0,100,w.abs),new k("value",!0,"")]),O=new B,A=h.extend(function(t){y.init(t,this,this.update.bind(this));var e=y.get("element",this),i=O.getService("element"),n=e&&i.isCanvas(e)?e:i.createCanvas(),s=e&&i.isImage(e)?e:i.createImage();this._canvasRenderer=new u(this,n,!0),this._imageRenderer=new g(this,s,s===e),this.update()},{get:function(){return y.getAll(this)},set:function(t){y.setAll(t,this)&&this.update()},toDataURL:function(t){return this.canvas.toDataURL(t||this.mime)},update:function(){var t=new m({level:this.level,value:this.value});this._canvasRenderer.render(t),this._imageRenderer.render(t)}},{VERSION:"3.0.0",use:function(t){O.setService(t.getName(),t)}});Object.defineProperties(A.prototype,{canvas:{get:function(){return this._canvasRenderer.getElement()}},image:{get:function(){return this._imageRenderer.getElement()}}});var L=A;return L.use(new f),L});
+
+//# sourceMappingURL=qrious.min.js.map
\ No newline at end of file
diff --git a/dist/qrious.min.js.map b/dist/qrious.min.js.map
new file mode 100644
index 0000000..bfbf4a0
--- /dev/null
+++ b/dist/qrious.min.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"qrious.min.js","sources":["../node_modules/nevis/src/extend.js","../node_modules/nevis/src/nevis.js","../src/service/Service.js","../src/service/element/ElementService.js","../src/service/element/BrowserElementService.js","../src/renderer/Renderer.js","../src/renderer/CanvasRenderer.js","../src/Alignment.js","../src/ErrorCorrection.js","../src/Galois.js","../src/Version.js","../src/Frame.js","../src/renderer/ImageRenderer.js","../src/option/Option.js","../src/util/Utilities.js","../src/option/OptionManager.js","../src/service/ServiceManager.js","../src/QRious.js","../src/runtime/browser.js"],"sourcesContent":["/*\n * Copyright (C) 2017 Alasdair Mercer, !ninja\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict';\n\n/**\n * A bare-bones constructor for surrogate prototype swapping.\n *\n * @private\n * @constructor\n */\nvar Constructor = /* istanbul ignore next */ function() {};\n/**\n * A reference to <code>Object.prototype.hasOwnProperty</code>.\n *\n * @private\n * @type {Function}\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\n/**\n * A reference to <code>Array.prototype.slice</code>.\n *\n * @private\n * @type {Function}\n */\nvar slice = Array.prototype.slice;\n\n/**\n * Creates an object which inherits the given <code>prototype</code>.\n *\n * Optionally, the created object can be extended further with the specified <code>properties</code>.\n *\n * @param {Object} prototype - the prototype to be inherited by the created object\n * @param {Object} [properties] - the optional properties to be extended by the created object\n * @return {Object} The newly created object.\n * @private\n */\nfunction createObject(prototype, properties) {\n  var result;\n  /* istanbul ignore next */\n  if (typeof Object.create === 'function') {\n    result = Object.create(prototype);\n  } else {\n    Constructor.prototype = prototype;\n    result = new Constructor();\n    Constructor.prototype = null;\n  }\n\n  if (properties) {\n    extendObject(true, result, properties);\n  }\n\n  return result;\n}\n\n/**\n * Extends the constructor to which this method is associated with the <code>prototype</code> and/or\n * <code>statics</code> provided.\n *\n * If <code>name</code> is provided, it will be used as the class name and can be accessed via a special\n * <code>class_</code> property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * <code>toString</code>), but this is not applicable to the <i>lite</i> version of Nevis.\n *\n * If <code>constructor</code> is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special <code>super_</code> property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child <code>constructor</code> provided or the one created if none was given.\n * @public\n */\nfunction extend(name, constructor, prototype, statics) {\n  var superConstructor = this;\n\n  if (typeof name !== 'string') {\n    statics = prototype;\n    prototype = constructor;\n    constructor = name;\n    name = null;\n  }\n\n  if (typeof constructor !== 'function') {\n    statics = prototype;\n    prototype = constructor;\n    constructor = function() {\n      return superConstructor.apply(this, arguments);\n    };\n  }\n\n  extendObject(false, constructor, superConstructor, statics);\n\n  constructor.prototype = createObject(superConstructor.prototype, prototype);\n  constructor.prototype.constructor = constructor;\n\n  constructor.class_ = name || superConstructor.class_;\n  constructor.super_ = superConstructor;\n\n  return constructor;\n}\n\n/**\n * Extends the specified <code>target</code> object with the properties in each of the <code>sources</code> provided.\n *\n * if any source is <code>null</code> it will be ignored.\n *\n * @param {boolean} own - <code>true</code> to only copy <b>own</b> properties from <code>sources</code> onto\n * <code>target</code>; otherwise <code>false</code>\n * @param {Object} target - the target object which should be extended\n * @param {...Object} [sources] - the source objects whose properties are to be copied onto <code>target</code>\n * @return {void}\n * @private\n */\nfunction extendObject(own, target, sources) {\n  sources = slice.call(arguments, 2);\n\n  var property;\n  var source;\n\n  for (var i = 0, length = sources.length; i < length; i++) {\n    source = sources[i];\n\n    for (property in source) {\n      if (!own || hasOwnProperty.call(source, property)) {\n        target[property] = source[property];\n      }\n    }\n  }\n}\n\nmodule.exports = extend;\n","/*\n * Copyright (C) 2017 Alasdair Mercer, !ninja\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n\n'use strict';\n\nvar extend = require('./extend');\n\n/**\n * The base class from which all others should extend.\n *\n * @public\n * @constructor\n */\nfunction Nevis() {}\nNevis.class_ = 'Nevis';\nNevis.super_ = Object;\n\n/**\n * Extends the constructor to which this method is associated with the <code>prototype</code> and/or\n * <code>statics</code> provided.\n *\n * If <code>name</code> is provided, it will be used as the class name and can be accessed via a special\n * <code>class_</code> property on the child constructor, otherwise the class name of the super constructor will be used\n * instead. The class name may also be used string representation for instances of the child constructor (via\n * <code>toString</code>), but this is not applicable to the <i>lite</i> version of Nevis.\n *\n * If <code>constructor</code> is provided, it will be used as the constructor for the child, otherwise a simple\n * constructor which only calls the super constructor will be used instead.\n *\n * The super constructor can be accessed via a special <code>super_</code> property on the child constructor.\n *\n * @param {string} [name=this.class_] - the class name to be used for the child constructor\n * @param {Function} [constructor] - the constructor for the child\n * @param {Object} [prototype] - the prototype properties to be defined for the child\n * @param {Object} [statics] - the static properties to be defined for the child\n * @return {Function} The child <code>constructor</code> provided or the one created if none was given.\n * @public\n * @static\n * @memberof Nevis\n */\nNevis.extend = extend;\n\nmodule.exports = Nevis;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\n/**\n * Defines a service contract that must be met by all implementations.\n *\n * @public\n * @class\n * @extends Nevis\n */\nvar Service = Nevis.extend({\n\n  /**\n   * Returns the name of this {@link Service}.\n   *\n   * @return {string} The service name.\n   * @public\n   * @abstract\n   * @memberof Service#\n   */\n  getName: function() {}\n\n});\n\nmodule.exports = Service;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Service = require('../Service');\n\n/**\n * A service for working with elements.\n *\n * @public\n * @class\n * @extends Service\n */\nvar ElementService = Service.extend({\n\n  /**\n   * Creates an instance of a canvas element.\n   *\n   * Implementations of {@link ElementService} <b>must</b> override this method with their own specific logic.\n   *\n   * @return {*} The newly created canvas element.\n   * @public\n   * @abstract\n   * @memberof ElementService#\n   */\n  createCanvas: function() {},\n\n  /**\n   * Creates an instance of a image element.\n   *\n   * Implementations of {@link ElementService} <b>must</b> override this method with their own specific logic.\n   *\n   * @return {*} The newly created image element.\n   * @public\n   * @abstract\n   * @memberof ElementService#\n   */\n  createImage: function() {},\n\n  /**\n   * @override\n   */\n  getName: function() {\n    return 'element';\n  },\n\n  /**\n   * Returns whether the specified <code>element</code> is a canvas.\n   *\n   * Implementations of {@link ElementService} <b>must</b> override this method with their own specific logic.\n   *\n   * @param {*} element - the element to be checked\n   * @return {boolean} <code>true</code> if <code>element</code> is a canvas; otherwise <code>false</code>.\n   * @public\n   * @abstract\n   * @memberof ElementService#\n   */\n  isCanvas: function(element) {},\n\n  /**\n   * Returns whether the specified <code>element</code> is an image.\n   *\n   * Implementations of {@link ElementService} <b>must</b> override this method with their own specific logic.\n   *\n   * @param {*} element - the element to be checked\n   * @return {boolean} <code>true</code> if <code>element</code> is an image; otherwise <code>false</code>.\n   * @public\n   * @abstract\n   * @memberof ElementService#\n   */\n  isImage: function(element) {}\n\n});\n\nmodule.exports = ElementService;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar ElementService = require('./ElementService');\n\n/**\n * An implementation of {@link ElementService} intended for use within a browser environment.\n *\n * @public\n * @class\n * @extends ElementService\n */\nvar BrowserElementService = ElementService.extend({\n\n  /**\n   * @override\n   */\n  createCanvas: function() {\n    return document.createElement('canvas');\n  },\n\n  /**\n   * @override\n   */\n  createImage: function() {\n    return document.createElement('img');\n  },\n\n  /**\n   * @override\n   */\n  isCanvas: function(element) {\n    return element instanceof HTMLCanvasElement;\n  },\n\n  /**\n   * @override\n   */\n  isImage: function(element) {\n    return element instanceof HTMLImageElement;\n  }\n\n});\n\nmodule.exports = BrowserElementService;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\n/**\n * Responsible for rendering a QR code {@link Frame} on a specific type of element.\n *\n * A renderer may be dependant on the rendering of another element, so the ordering of their execution is important.\n *\n * The rendering of a element can be deferred by disabling the renderer initially, however, any attempt get the element\n * from the renderer will result in it being immediately enabled and the element being rendered.\n *\n * @param {QRious} qrious - the {@link QRious} instance to be used\n * @param {*} element - the element onto which the QR code is to be rendered\n * @param {boolean} [enabled] - <code>true</code> this {@link Renderer} is enabled; otherwise <code>false</code>.\n * @public\n * @class\n * @extends Nevis\n */\nvar Renderer = Nevis.extend(function(qrious, element, enabled) {\n  /**\n   * The {@link QRious} instance.\n   *\n   * @protected\n   * @type {QRious}\n   * @memberof Renderer#\n   */\n  this.qrious = qrious;\n\n  /**\n   * The element onto which this {@link Renderer} is rendering the QR code.\n   *\n   * @protected\n   * @type {*}\n   * @memberof Renderer#\n   */\n  this.element = element;\n  this.element.qrious = qrious;\n\n  /**\n   * Whether this {@link Renderer} is enabled.\n   *\n   * @protected\n   * @type {boolean}\n   * @memberof Renderer#\n   */\n  this.enabled = Boolean(enabled);\n}, {\n\n  /**\n   * Draws the specified QR code <code>frame</code> on the underlying element.\n   *\n   * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.\n   *\n   * @param {Frame} frame - the {@link Frame} to be drawn\n   * @return {void}\n   * @protected\n   * @abstract\n   * @memberof Renderer#\n   */\n  draw: function(frame) {},\n\n  /**\n   * Returns the element onto which this {@link Renderer} is rendering the QR code.\n   *\n   * If this method is called while this {@link Renderer} is disabled, it will be immediately enabled and rendered\n   * before the element is returned.\n   *\n   * @return {*} The element.\n   * @public\n   * @memberof Renderer#\n   */\n  getElement: function() {\n    if (!this.enabled) {\n      this.enabled = true;\n      this.render();\n    }\n\n    return this.element;\n  },\n\n  /**\n   * Calculates the size (in pixel units) to represent an individual module within the QR code based on the\n   * <code>frame</code> provided.\n   *\n   * Any configured padding will be excluded from the returned size.\n   *\n   * The returned value will be at least one, even in cases where the size of the QR code does not fit its contents.\n   * This is done so that the inevitable clipping is handled more gracefully since this way at least something is\n   * displayed instead of just a blank space filled by the background color.\n   *\n   * @param {Frame} frame - the {@link Frame} from which the module size is to be derived\n   * @return {number} The pixel size for each module in the QR code which will be no less than one.\n   * @protected\n   * @memberof Renderer#\n   */\n  getModuleSize: function(frame) {\n    var qrious = this.qrious;\n    var padding = qrious.padding || 0;\n    var pixels = Math.floor((qrious.size - (padding * 2)) / frame.width);\n\n    return Math.max(1, pixels);\n  },\n\n  /**\n   * Calculates the offset/padding (in pixel units) to be inserted before the QR code based on the <code>frame</code>\n   * provided.\n   *\n   * The returned value will be zero if there is no available offset or if the size of the QR code does not fit its\n   * contents. It will never be a negative value. This is done so that the inevitable clipping appears more naturally\n   * and it is not clipped from all directions.\n   *\n   * @param {Frame} frame - the {@link Frame} from which the offset is to be derived\n   * @return {number} The pixel offset for the QR code which will be no less than zero.\n   * @protected\n   * @memberof Renderer#\n   */\n  getOffset: function(frame) {\n    var qrious = this.qrious;\n    var padding = qrious.padding;\n\n    if (padding != null) {\n      return padding;\n    }\n\n    var moduleSize = this.getModuleSize(frame);\n    var offset = Math.floor((qrious.size - (moduleSize * frame.width)) / 2);\n\n    return Math.max(0, offset);\n  },\n\n  /**\n   * Renders a QR code on the underlying element based on the <code>frame</code> provided.\n   *\n   * @param {Frame} frame - the {@link Frame} to be rendered\n   * @return {void}\n   * @public\n   * @memberof Renderer#\n   */\n  render: function(frame) {\n    if (this.enabled) {\n      this.resize();\n      this.reset();\n      this.draw(frame);\n    }\n  },\n\n  /**\n   * Resets the underlying element, effectively clearing any previously rendered QR code.\n   *\n   * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.\n   *\n   * @return {void}\n   * @protected\n   * @abstract\n   * @memberof Renderer#\n   */\n  reset: function() {},\n\n  /**\n   * Ensures that the size of the underlying element matches that defined on the associated {@link QRious} instance.\n   *\n   * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.\n   *\n   * @return {void}\n   * @protected\n   * @abstract\n   * @memberof Renderer#\n   */\n  resize: function() {}\n\n});\n\nmodule.exports = Renderer;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Renderer = require('./Renderer');\n\n/**\n * An implementation of {@link Renderer} for working with <code>canvas</code> elements.\n *\n * @public\n * @class\n * @extends Renderer\n */\nvar CanvasRenderer = Renderer.extend({\n\n  /**\n   * @override\n   */\n  draw: function(frame) {\n    var i, j;\n    var qrious = this.qrious;\n    var moduleSize = this.getModuleSize(frame);\n    var offset = this.getOffset(frame);\n    var context = this.element.getContext('2d');\n\n    context.fillStyle = qrious.foreground;\n    context.globalAlpha = qrious.foregroundAlpha;\n\n    for (i = 0; i < frame.width; i++) {\n      for (j = 0; j < frame.width; j++) {\n        if (frame.buffer[(j * frame.width) + i]) {\n          context.fillRect((moduleSize * i) + offset, (moduleSize * j) + offset, moduleSize, moduleSize);\n        }\n      }\n    }\n  },\n\n  /**\n   * @override\n   */\n  reset: function() {\n    var qrious = this.qrious;\n    var context = this.element.getContext('2d');\n    var size = qrious.size;\n\n    context.lineWidth = 1;\n    context.clearRect(0, 0, size, size);\n    context.fillStyle = qrious.background;\n    context.globalAlpha = qrious.backgroundAlpha;\n    context.fillRect(0, 0, size, size);\n  },\n\n  /**\n   * @override\n   */\n  resize: function() {\n    var element = this.element;\n\n    element.width = element.height = this.qrious.size;\n  }\n\n});\n\nmodule.exports = CanvasRenderer;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\n/* eslint no-multi-spaces: \"off\" */\n\nvar Nevis = require('nevis/lite');\n\n/**\n * Contains alignment pattern information.\n *\n * @public\n * @class\n * @extends Nevis\n */\nvar Alignment = Nevis.extend(null, {\n\n  /**\n   * The alignment pattern block.\n   *\n   * @public\n   * @static\n   * @type {number[]}\n   * @memberof Alignment\n   */\n  BLOCK: [\n    0,  11, 15, 19, 23, 27, 31,\n    16, 18, 20, 22, 24, 26, 28, 20, 22, 24, 24, 26, 28, 28, 22, 24, 24,\n    26, 26, 28, 28, 24, 24, 26, 26, 26, 28, 28, 24, 26, 26, 26, 28, 28\n  ]\n\n});\n\nmodule.exports = Alignment;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\n/* eslint no-multi-spaces: \"off\" */\n\nvar Nevis = require('nevis/lite');\n\n/**\n * Contains error correction information.\n *\n * @public\n * @class\n * @extends Nevis\n */\nvar ErrorCorrection = Nevis.extend(null, {\n\n  /**\n   * The error correction blocks.\n   *\n   * There are four elements per version. The first two indicate the number of blocks, then the data width, and finally\n   * the ECC width.\n   *\n   * @public\n   * @static\n   * @type {number[]}\n   * @memberof ErrorCorrection\n   */\n  BLOCKS: [\n    1,  0,  19,  7,     1,  0,  16,  10,    1,  0,  13,  13,    1,  0,  9,   17,\n    1,  0,  34,  10,    1,  0,  28,  16,    1,  0,  22,  22,    1,  0,  16,  28,\n    1,  0,  55,  15,    1,  0,  44,  26,    2,  0,  17,  18,    2,  0,  13,  22,\n    1,  0,  80,  20,    2,  0,  32,  18,    2,  0,  24,  26,    4,  0,  9,   16,\n    1,  0,  108, 26,    2,  0,  43,  24,    2,  2,  15,  18,    2,  2,  11,  22,\n    2,  0,  68,  18,    4,  0,  27,  16,    4,  0,  19,  24,    4,  0,  15,  28,\n    2,  0,  78,  20,    4,  0,  31,  18,    2,  4,  14,  18,    4,  1,  13,  26,\n    2,  0,  97,  24,    2,  2,  38,  22,    4,  2,  18,  22,    4,  2,  14,  26,\n    2,  0,  116, 30,    3,  2,  36,  22,    4,  4,  16,  20,    4,  4,  12,  24,\n    2,  2,  68,  18,    4,  1,  43,  26,    6,  2,  19,  24,    6,  2,  15,  28,\n    4,  0,  81,  20,    1,  4,  50,  30,    4,  4,  22,  28,    3,  8,  12,  24,\n    2,  2,  92,  24,    6,  2,  36,  22,    4,  6,  20,  26,    7,  4,  14,  28,\n    4,  0,  107, 26,    8,  1,  37,  22,    8,  4,  20,  24,    12, 4,  11,  22,\n    3,  1,  115, 30,    4,  5,  40,  24,    11, 5,  16,  20,    11, 5,  12,  24,\n    5,  1,  87,  22,    5,  5,  41,  24,    5,  7,  24,  30,    11, 7,  12,  24,\n    5,  1,  98,  24,    7,  3,  45,  28,    15, 2,  19,  24,    3,  13, 15,  30,\n    1,  5,  107, 28,    10, 1,  46,  28,    1,  15, 22,  28,    2,  17, 14,  28,\n    5,  1,  120, 30,    9,  4,  43,  26,    17, 1,  22,  28,    2,  19, 14,  28,\n    3,  4,  113, 28,    3,  11, 44,  26,    17, 4,  21,  26,    9,  16, 13,  26,\n    3,  5,  107, 28,    3,  13, 41,  26,    15, 5,  24,  30,    15, 10, 15,  28,\n    4,  4,  116, 28,    17, 0,  42,  26,    17, 6,  22,  28,    19, 6,  16,  30,\n    2,  7,  111, 28,    17, 0,  46,  28,    7,  16, 24,  30,    34, 0,  13,  24,\n    4,  5,  121, 30,    4,  14, 47,  28,    11, 14, 24,  30,    16, 14, 15,  30,\n    6,  4,  117, 30,    6,  14, 45,  28,    11, 16, 24,  30,    30, 2,  16,  30,\n    8,  4,  106, 26,    8,  13, 47,  28,    7,  22, 24,  30,    22, 13, 15,  30,\n    10, 2,  114, 28,    19, 4,  46,  28,    28, 6,  22,  28,    33, 4,  16,  30,\n    8,  4,  122, 30,    22, 3,  45,  28,    8,  26, 23,  30,    12, 28, 15,  30,\n    3,  10, 117, 30,    3,  23, 45,  28,    4,  31, 24,  30,    11, 31, 15,  30,\n    7,  7,  116, 30,    21, 7,  45,  28,    1,  37, 23,  30,    19, 26, 15,  30,\n    5,  10, 115, 30,    19, 10, 47,  28,    15, 25, 24,  30,    23, 25, 15,  30,\n    13, 3,  115, 30,    2,  29, 46,  28,    42, 1,  24,  30,    23, 28, 15,  30,\n    17, 0,  115, 30,    10, 23, 46,  28,    10, 35, 24,  30,    19, 35, 15,  30,\n    17, 1,  115, 30,    14, 21, 46,  28,    29, 19, 24,  30,    11, 46, 15,  30,\n    13, 6,  115, 30,    14, 23, 46,  28,    44, 7,  24,  30,    59, 1,  16,  30,\n    12, 7,  121, 30,    12, 26, 47,  28,    39, 14, 24,  30,    22, 41, 15,  30,\n    6,  14, 121, 30,    6,  34, 47,  28,    46, 10, 24,  30,    2,  64, 15,  30,\n    17, 4,  122, 30,    29, 14, 46,  28,    49, 10, 24,  30,    24, 46, 15,  30,\n    4,  18, 122, 30,    13, 32, 46,  28,    48, 14, 24,  30,    42, 32, 15,  30,\n    20, 4,  117, 30,    40, 7,  47,  28,    43, 22, 24,  30,    10, 67, 15,  30,\n    19, 6,  118, 30,    18, 31, 47,  28,    34, 34, 24,  30,    20, 61, 15,  30\n  ],\n\n  /**\n   * The final format bits with mask (level << 3 | mask).\n   *\n   * @public\n   * @static\n   * @type {number[]}\n   * @memberof ErrorCorrection\n   */\n  FINAL_FORMAT: [\n    // L\n    0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976,\n    // M\n    0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0,\n    // Q\n    0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed,\n    // H\n    0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b\n  ],\n\n  /**\n   * A map of human-readable ECC levels.\n   *\n   * @public\n   * @static\n   * @type {Object.<string, number>}\n   * @memberof ErrorCorrection\n   */\n  LEVELS: {\n    L: 1,\n    M: 2,\n    Q: 3,\n    H: 4\n  }\n\n});\n\nmodule.exports = ErrorCorrection;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\n/**\n * Contains Galois field information.\n *\n * @public\n * @class\n * @extends Nevis\n */\nvar Galois = Nevis.extend(null, {\n\n  /**\n   * The Galois field exponent table.\n   *\n   * @public\n   * @static\n   * @type {number[]}\n   * @memberof Galois\n   */\n  EXPONENT: [\n    0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1d, 0x3a, 0x74, 0xe8, 0xcd, 0x87, 0x13, 0x26,\n    0x4c, 0x98, 0x2d, 0x5a, 0xb4, 0x75, 0xea, 0xc9, 0x8f, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0,\n    0x9d, 0x27, 0x4e, 0x9c, 0x25, 0x4a, 0x94, 0x35, 0x6a, 0xd4, 0xb5, 0x77, 0xee, 0xc1, 0x9f, 0x23,\n    0x46, 0x8c, 0x05, 0x0a, 0x14, 0x28, 0x50, 0xa0, 0x5d, 0xba, 0x69, 0xd2, 0xb9, 0x6f, 0xde, 0xa1,\n    0x5f, 0xbe, 0x61, 0xc2, 0x99, 0x2f, 0x5e, 0xbc, 0x65, 0xca, 0x89, 0x0f, 0x1e, 0x3c, 0x78, 0xf0,\n    0xfd, 0xe7, 0xd3, 0xbb, 0x6b, 0xd6, 0xb1, 0x7f, 0xfe, 0xe1, 0xdf, 0xa3, 0x5b, 0xb6, 0x71, 0xe2,\n    0xd9, 0xaf, 0x43, 0x86, 0x11, 0x22, 0x44, 0x88, 0x0d, 0x1a, 0x34, 0x68, 0xd0, 0xbd, 0x67, 0xce,\n    0x81, 0x1f, 0x3e, 0x7c, 0xf8, 0xed, 0xc7, 0x93, 0x3b, 0x76, 0xec, 0xc5, 0x97, 0x33, 0x66, 0xcc,\n    0x85, 0x17, 0x2e, 0x5c, 0xb8, 0x6d, 0xda, 0xa9, 0x4f, 0x9e, 0x21, 0x42, 0x84, 0x15, 0x2a, 0x54,\n    0xa8, 0x4d, 0x9a, 0x29, 0x52, 0xa4, 0x55, 0xaa, 0x49, 0x92, 0x39, 0x72, 0xe4, 0xd5, 0xb7, 0x73,\n    0xe6, 0xd1, 0xbf, 0x63, 0xc6, 0x91, 0x3f, 0x7e, 0xfc, 0xe5, 0xd7, 0xb3, 0x7b, 0xf6, 0xf1, 0xff,\n    0xe3, 0xdb, 0xab, 0x4b, 0x96, 0x31, 0x62, 0xc4, 0x95, 0x37, 0x6e, 0xdc, 0xa5, 0x57, 0xae, 0x41,\n    0x82, 0x19, 0x32, 0x64, 0xc8, 0x8d, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0, 0xdd, 0xa7, 0x53, 0xa6,\n    0x51, 0xa2, 0x59, 0xb2, 0x79, 0xf2, 0xf9, 0xef, 0xc3, 0x9b, 0x2b, 0x56, 0xac, 0x45, 0x8a, 0x09,\n    0x12, 0x24, 0x48, 0x90, 0x3d, 0x7a, 0xf4, 0xf5, 0xf7, 0xf3, 0xfb, 0xeb, 0xcb, 0x8b, 0x0b, 0x16,\n    0x2c, 0x58, 0xb0, 0x7d, 0xfa, 0xe9, 0xcf, 0x83, 0x1b, 0x36, 0x6c, 0xd8, 0xad, 0x47, 0x8e, 0x00\n  ],\n\n  /**\n   * The Galois field log table.\n   *\n   * @public\n   * @static\n   * @type {number[]}\n   * @memberof Galois\n   */\n  LOG: [\n    0xff, 0x00, 0x01, 0x19, 0x02, 0x32, 0x1a, 0xc6, 0x03, 0xdf, 0x33, 0xee, 0x1b, 0x68, 0xc7, 0x4b,\n    0x04, 0x64, 0xe0, 0x0e, 0x34, 0x8d, 0xef, 0x81, 0x1c, 0xc1, 0x69, 0xf8, 0xc8, 0x08, 0x4c, 0x71,\n    0x05, 0x8a, 0x65, 0x2f, 0xe1, 0x24, 0x0f, 0x21, 0x35, 0x93, 0x8e, 0xda, 0xf0, 0x12, 0x82, 0x45,\n    0x1d, 0xb5, 0xc2, 0x7d, 0x6a, 0x27, 0xf9, 0xb9, 0xc9, 0x9a, 0x09, 0x78, 0x4d, 0xe4, 0x72, 0xa6,\n    0x06, 0xbf, 0x8b, 0x62, 0x66, 0xdd, 0x30, 0xfd, 0xe2, 0x98, 0x25, 0xb3, 0x10, 0x91, 0x22, 0x88,\n    0x36, 0xd0, 0x94, 0xce, 0x8f, 0x96, 0xdb, 0xbd, 0xf1, 0xd2, 0x13, 0x5c, 0x83, 0x38, 0x46, 0x40,\n    0x1e, 0x42, 0xb6, 0xa3, 0xc3, 0x48, 0x7e, 0x6e, 0x6b, 0x3a, 0x28, 0x54, 0xfa, 0x85, 0xba, 0x3d,\n    0xca, 0x5e, 0x9b, 0x9f, 0x0a, 0x15, 0x79, 0x2b, 0x4e, 0xd4, 0xe5, 0xac, 0x73, 0xf3, 0xa7, 0x57,\n    0x07, 0x70, 0xc0, 0xf7, 0x8c, 0x80, 0x63, 0x0d, 0x67, 0x4a, 0xde, 0xed, 0x31, 0xc5, 0xfe, 0x18,\n    0xe3, 0xa5, 0x99, 0x77, 0x26, 0xb8, 0xb4, 0x7c, 0x11, 0x44, 0x92, 0xd9, 0x23, 0x20, 0x89, 0x2e,\n    0x37, 0x3f, 0xd1, 0x5b, 0x95, 0xbc, 0xcf, 0xcd, 0x90, 0x87, 0x97, 0xb2, 0xdc, 0xfc, 0xbe, 0x61,\n    0xf2, 0x56, 0xd3, 0xab, 0x14, 0x2a, 0x5d, 0x9e, 0x84, 0x3c, 0x39, 0x53, 0x47, 0x6d, 0x41, 0xa2,\n    0x1f, 0x2d, 0x43, 0xd8, 0xb7, 0x7b, 0xa4, 0x76, 0xc4, 0x17, 0x49, 0xec, 0x7f, 0x0c, 0x6f, 0xf6,\n    0x6c, 0xa1, 0x3b, 0x52, 0x29, 0x9d, 0x55, 0xaa, 0xfb, 0x60, 0x86, 0xb1, 0xbb, 0xcc, 0x3e, 0x5a,\n    0xcb, 0x59, 0x5f, 0xb0, 0x9c, 0xa9, 0xa0, 0x51, 0x0b, 0xf5, 0x16, 0xeb, 0x7a, 0x75, 0x2c, 0xd7,\n    0x4f, 0xae, 0xd5, 0xe9, 0xe6, 0xe7, 0xad, 0xe8, 0x74, 0xd6, 0xf4, 0xea, 0xa8, 0x50, 0x58, 0xaf\n  ]\n\n});\n\nmodule.exports = Galois;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\n/**\n * Contains version pattern information.\n *\n * @public\n * @class\n * @extends Nevis\n */\nvar Version = Nevis.extend(null, {\n\n  /**\n   * The version pattern block.\n   *\n   * @public\n   * @static\n   * @type {number[]}\n   * @memberof Version\n   */\n  BLOCK: [\n    0xc94, 0x5bc, 0xa99, 0x4d3, 0xbf6, 0x762, 0x847, 0x60d, 0x928, 0xb78, 0x45d, 0xa17, 0x532,\n    0x9a6, 0x683, 0x8c9, 0x7ec, 0xec4, 0x1e1, 0xfab, 0x08e, 0xc1a, 0x33f, 0xd75, 0x250, 0x9d5,\n    0x6f0, 0x8ba, 0x79f, 0xb0b, 0x42e, 0xa64, 0x541, 0xc69\n  ]\n\n});\n\nmodule.exports = Version;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\nvar Alignment = require('./Alignment');\nvar ErrorCorrection = require('./ErrorCorrection');\nvar Galois = require('./Galois');\nvar Version = require('./Version');\n\n/**\n * Generates information for a QR code frame based on a specific value to be encoded.\n *\n * @param {Frame~Options} options - the options to be used\n * @public\n * @class\n * @extends Nevis\n */\nvar Frame = Nevis.extend(function(options) {\n  var dataBlock, eccBlock, index, neccBlock1, neccBlock2;\n  var valueLength = options.value.length;\n\n  this._badness = [];\n  this._level = ErrorCorrection.LEVELS[options.level];\n  this._polynomial = [];\n  this._value = options.value;\n  this._version = 0;\n  this._stringBuffer = [];\n\n  while (this._version < 40) {\n    this._version++;\n\n    index = ((this._level - 1) * 4) + ((this._version - 1) * 16);\n\n    neccBlock1 = ErrorCorrection.BLOCKS[index++];\n    neccBlock2 = ErrorCorrection.BLOCKS[index++];\n    dataBlock = ErrorCorrection.BLOCKS[index++];\n    eccBlock = ErrorCorrection.BLOCKS[index];\n\n    index = (dataBlock * (neccBlock1 + neccBlock2)) + neccBlock2 - 3 + (this._version <= 9);\n\n    if (valueLength <= index) {\n      break;\n    }\n  }\n\n  this._dataBlock = dataBlock;\n  this._eccBlock = eccBlock;\n  this._neccBlock1 = neccBlock1;\n  this._neccBlock2 = neccBlock2;\n\n  /**\n   * The data width is based on version.\n   *\n   * @public\n   * @type {number}\n   * @memberof Frame#\n   */\n  // FIXME: Ensure that it fits instead of being truncated.\n  var width = this.width = 17 + (4 * this._version);\n\n  /**\n   * The image buffer.\n   *\n   * @public\n   * @type {number[]}\n   * @memberof Frame#\n   */\n  this.buffer = Frame._createArray(width * width);\n\n  this._ecc = Frame._createArray(dataBlock + ((dataBlock + eccBlock) * (neccBlock1 + neccBlock2)) + neccBlock2);\n  this._mask = Frame._createArray(((width * (width + 1)) + 1) / 2);\n\n  this._insertFinders();\n  this._insertAlignments();\n\n  // Insert single foreground cell.\n  this.buffer[8 + (width * (width - 8))] = 1;\n\n  this._insertTimingGap();\n  this._reverseMask();\n  this._insertTimingRowAndColumn();\n  this._insertVersion();\n  this._syncMask();\n  this._convertBitStream(valueLength);\n  this._calculatePolynomial();\n  this._appendEccToData();\n  this._interleaveBlocks();\n  this._pack();\n  this._finish();\n}, {\n\n  _addAlignment: function(x, y) {\n    var i;\n    var buffer = this.buffer;\n    var width = this.width;\n\n    buffer[x + (width * y)] = 1;\n\n    for (i = -2; i < 2; i++) {\n      buffer[x + i + (width * (y - 2))] = 1;\n      buffer[x - 2 + (width * (y + i + 1))] = 1;\n      buffer[x + 2 + (width * (y + i))] = 1;\n      buffer[x + i + 1 + (width * (y + 2))] = 1;\n    }\n\n    for (i = 0; i < 2; i++) {\n      this._setMask(x - 1, y + i);\n      this._setMask(x + 1, y - i);\n      this._setMask(x - i, y - 1);\n      this._setMask(x + i, y + 1);\n    }\n  },\n\n  _appendData: function(data, dataLength, ecc, eccLength) {\n    var bit, i, j;\n    var polynomial = this._polynomial;\n    var stringBuffer = this._stringBuffer;\n\n    for (i = 0; i < eccLength; i++) {\n      stringBuffer[ecc + i] = 0;\n    }\n\n    for (i = 0; i < dataLength; i++) {\n      bit = Galois.LOG[stringBuffer[data + i] ^ stringBuffer[ecc]];\n\n      if (bit !== 255) {\n        for (j = 1; j < eccLength; j++) {\n          stringBuffer[ecc + j - 1] = stringBuffer[ecc + j] ^\n            Galois.EXPONENT[Frame._modN(bit + polynomial[eccLength - j])];\n        }\n      } else {\n        for (j = ecc; j < ecc + eccLength; j++) {\n          stringBuffer[j] = stringBuffer[j + 1];\n        }\n      }\n\n      stringBuffer[ecc + eccLength - 1] = bit === 255 ? 0 : Galois.EXPONENT[Frame._modN(bit + polynomial[0])];\n    }\n  },\n\n  _appendEccToData: function() {\n    var i;\n    var data = 0;\n    var dataBlock = this._dataBlock;\n    var ecc = this._calculateMaxLength();\n    var eccBlock = this._eccBlock;\n\n    for (i = 0; i < this._neccBlock1; i++) {\n      this._appendData(data, dataBlock, ecc, eccBlock);\n\n      data += dataBlock;\n      ecc += eccBlock;\n    }\n\n    for (i = 0; i < this._neccBlock2; i++) {\n      this._appendData(data, dataBlock + 1, ecc, eccBlock);\n\n      data += dataBlock + 1;\n      ecc += eccBlock;\n    }\n  },\n\n  _applyMask: function(mask) {\n    var r3x, r3y, x, y;\n    var buffer = this.buffer;\n    var width = this.width;\n\n    switch (mask) {\n    case 0:\n      for (y = 0; y < width; y++) {\n        for (x = 0; x < width; x++) {\n          if (!((x + y) & 1) && !this._isMasked(x, y)) {\n            buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 1:\n      for (y = 0; y < width; y++) {\n        for (x = 0; x < width; x++) {\n          if (!(y & 1) && !this._isMasked(x, y)) {\n            buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 2:\n      for (y = 0; y < width; y++) {\n        for (r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!r3x && !this._isMasked(x, y)) {\n            buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 3:\n      for (r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (r3x = r3y, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!r3x && !this._isMasked(x, y)) {\n            buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 4:\n      for (y = 0; y < width; y++) {\n        for (r3x = 0, r3y = (y >> 1) & 1, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n            r3y = !r3y;\n          }\n\n          if (!r3y && !this._isMasked(x, y)) {\n            buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 5:\n      for (r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!((x & y & 1) + !(!r3x | !r3y)) && !this._isMasked(x, y)) {\n            buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 6:\n      for (r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!((x & y & 1) + (r3x && r3x === r3y) & 1) && !this._isMasked(x, y)) {\n            buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 7:\n      for (r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!((r3x && r3x === r3y) + (x + y & 1) & 1) && !this._isMasked(x, y)) {\n            buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    }\n  },\n\n  _calculateMaxLength: function() {\n    return (this._dataBlock * (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2;\n  },\n\n  _calculatePolynomial: function() {\n    var i, j;\n    var eccBlock = this._eccBlock;\n    var polynomial = this._polynomial;\n\n    polynomial[0] = 1;\n\n    for (i = 0; i < eccBlock; i++) {\n      polynomial[i + 1] = 1;\n\n      for (j = i; j > 0; j--) {\n        polynomial[j] = polynomial[j] ? polynomial[j - 1] ^\n          Galois.EXPONENT[Frame._modN(Galois.LOG[polynomial[j]] + i)] : polynomial[j - 1];\n      }\n\n      polynomial[0] = Galois.EXPONENT[Frame._modN(Galois.LOG[polynomial[0]] + i)];\n    }\n\n    // Use logs for generator polynomial to save calculation step.\n    for (i = 0; i <= eccBlock; i++) {\n      polynomial[i] = Galois.LOG[polynomial[i]];\n    }\n  },\n\n  _checkBadness: function() {\n    var b, b1, h, x, y;\n    var bad = 0;\n    var badness = this._badness;\n    var buffer = this.buffer;\n    var width = this.width;\n\n    // Blocks of same colour.\n    for (y = 0; y < width - 1; y++) {\n      for (x = 0; x < width - 1; x++) {\n        // All foreground colour.\n        if ((buffer[x + (width * y)] &&\n          buffer[x + 1 + (width * y)] &&\n          buffer[x + (width * (y + 1))] &&\n          buffer[x + 1 + (width * (y + 1))]) ||\n          // All background colour.\n          !(buffer[x + (width * y)] ||\n          buffer[x + 1 + (width * y)] ||\n          buffer[x + (width * (y + 1))] ||\n          buffer[x + 1 + (width * (y + 1))])) {\n          bad += Frame.N2;\n        }\n      }\n    }\n\n    var bw = 0;\n\n    // X runs.\n    for (y = 0; y < width; y++) {\n      h = 0;\n\n      badness[0] = 0;\n\n      for (b = 0, x = 0; x < width; x++) {\n        b1 = buffer[x + (width * y)];\n\n        if (b === b1) {\n          badness[h]++;\n        } else {\n          badness[++h] = 1;\n        }\n\n        b = b1;\n        bw += b ? 1 : -1;\n      }\n\n      bad += this._getBadness(h);\n    }\n\n    if (bw < 0) {\n      bw = -bw;\n    }\n\n    var count = 0;\n    var big = bw;\n    big += big << 2;\n    big <<= 1;\n\n    while (big > width * width) {\n      big -= width * width;\n      count++;\n    }\n\n    bad += count * Frame.N4;\n\n    // Y runs.\n    for (x = 0; x < width; x++) {\n      h = 0;\n\n      badness[0] = 0;\n\n      for (b = 0, y = 0; y < width; y++) {\n        b1 = buffer[x + (width * y)];\n\n        if (b === b1) {\n          badness[h]++;\n        } else {\n          badness[++h] = 1;\n        }\n\n        b = b1;\n      }\n\n      bad += this._getBadness(h);\n    }\n\n    return bad;\n  },\n\n  _convertBitStream: function(length) {\n    var bit, i;\n    var ecc = this._ecc;\n    var version = this._version;\n\n    // Convert string to bit stream. 8-bit data to QR-coded 8-bit data (numeric, alphanumeric, or kanji not supported).\n    for (i = 0; i < length; i++) {\n      ecc[i] = this._value.charCodeAt(i);\n    }\n\n    var stringBuffer = this._stringBuffer = ecc.slice();\n    var maxLength = this._calculateMaxLength();\n\n    if (length >= maxLength - 2) {\n      length = maxLength - 2;\n\n      if (version > 9) {\n        length--;\n      }\n    }\n\n    // Shift and re-pack to insert length prefix.\n    var index = length;\n\n    if (version > 9) {\n      stringBuffer[index + 2] = 0;\n      stringBuffer[index + 3] = 0;\n\n      while (index--) {\n        bit = stringBuffer[index];\n\n        stringBuffer[index + 3] |= 255 & (bit << 4);\n        stringBuffer[index + 2] = bit >> 4;\n      }\n\n      stringBuffer[2] |= 255 & (length << 4);\n      stringBuffer[1] = length >> 4;\n      stringBuffer[0] = 0x40 | (length >> 12);\n    } else {\n      stringBuffer[index + 1] = 0;\n      stringBuffer[index + 2] = 0;\n\n      while (index--) {\n        bit = stringBuffer[index];\n\n        stringBuffer[index + 2] |= 255 & (bit << 4);\n        stringBuffer[index + 1] = bit >> 4;\n      }\n\n      stringBuffer[1] |= 255 & (length << 4);\n      stringBuffer[0] = 0x40 | (length >> 4);\n    }\n\n    // Fill to end with pad pattern.\n    index = length + 3 - (version < 10);\n\n    while (index < maxLength) {\n      stringBuffer[index++] = 0xec;\n      stringBuffer[index++] = 0x11;\n    }\n  },\n\n  _getBadness: function(length) {\n    var i;\n    var badRuns = 0;\n    var badness = this._badness;\n\n    for (i = 0; i <= length; i++) {\n      if (badness[i] >= 5) {\n        badRuns += Frame.N1 + badness[i] - 5;\n      }\n    }\n\n    // FBFFFBF as in finder.\n    for (i = 3; i < length - 1; i += 2) {\n      if (badness[i - 2] === badness[i + 2] &&\n        badness[i + 2] === badness[i - 1] &&\n        badness[i - 1] === badness[i + 1] &&\n        badness[i - 1] * 3 === badness[i] &&\n        // Background around the foreground pattern? Not part of the specs.\n        (badness[i - 3] === 0 || i + 3 > length ||\n        badness[i - 3] * 3 >= badness[i] * 4 ||\n        badness[i + 3] * 3 >= badness[i] * 4)) {\n        badRuns += Frame.N3;\n      }\n    }\n\n    return badRuns;\n  },\n\n  _finish: function() {\n    // Save pre-mask copy of frame.\n    this._stringBuffer = this.buffer.slice();\n\n    var currentMask, i;\n    var bit = 0;\n    var mask = 30000;\n\n    /*\n     * Using for instead of while since in original Arduino code if an early mask was \"good enough\" it wouldn't try for\n     * a better one since they get more complex and take longer.\n     */\n    for (i = 0; i < 8; i++) {\n      // Returns foreground-background imbalance.\n      this._applyMask(i);\n\n      currentMask = this._checkBadness();\n\n      // Is current mask better than previous best?\n      if (currentMask < mask) {\n        mask = currentMask;\n        bit = i;\n      }\n\n      // Don't increment \"i\" to a void redoing mask.\n      if (bit === 7) {\n        break;\n      }\n\n      // Reset for next pass.\n      this.buffer = this._stringBuffer.slice();\n    }\n\n    // Redo best mask as none were \"good enough\" (i.e. last wasn't bit).\n    if (bit !== i) {\n      this._applyMask(bit);\n    }\n\n    // Add in final mask/ECC level bytes.\n    mask = ErrorCorrection.FINAL_FORMAT[bit + (this._level - 1 << 3)];\n\n    var buffer = this.buffer;\n    var width = this.width;\n\n    // Low byte.\n    for (i = 0; i < 8; i++, mask >>= 1) {\n      if (mask & 1) {\n        buffer[width - 1 - i + (width * 8)] = 1;\n\n        if (i < 6) {\n          buffer[8 + (width * i)] = 1;\n        } else {\n          buffer[8 + (width * (i + 1))] = 1;\n        }\n      }\n    }\n\n    // High byte.\n    for (i = 0; i < 7; i++, mask >>= 1) {\n      if (mask & 1) {\n        buffer[8 + (width * (width - 7 + i))] = 1;\n\n        if (i) {\n          buffer[6 - i + (width * 8)] = 1;\n        } else {\n          buffer[7 + (width * 8)] = 1;\n        }\n      }\n    }\n  },\n\n  _interleaveBlocks: function() {\n    var i, j;\n    var dataBlock = this._dataBlock;\n    var ecc = this._ecc;\n    var eccBlock = this._eccBlock;\n    var k = 0;\n    var maxLength = this._calculateMaxLength();\n    var neccBlock1 = this._neccBlock1;\n    var neccBlock2 = this._neccBlock2;\n    var stringBuffer = this._stringBuffer;\n\n    for (i = 0; i < dataBlock; i++) {\n      for (j = 0; j < neccBlock1; j++) {\n        ecc[k++] = stringBuffer[i + (j * dataBlock)];\n      }\n\n      for (j = 0; j < neccBlock2; j++) {\n        ecc[k++] = stringBuffer[(neccBlock1 * dataBlock) + i + (j * (dataBlock + 1))];\n      }\n    }\n\n    for (j = 0; j < neccBlock2; j++) {\n      ecc[k++] = stringBuffer[(neccBlock1 * dataBlock) + i + (j * (dataBlock + 1))];\n    }\n\n    for (i = 0; i < eccBlock; i++) {\n      for (j = 0; j < neccBlock1 + neccBlock2; j++) {\n        ecc[k++] = stringBuffer[maxLength + i + (j * eccBlock)];\n      }\n    }\n\n    this._stringBuffer = ecc;\n  },\n\n  _insertAlignments: function() {\n    var i, x, y;\n    var version = this._version;\n    var width = this.width;\n\n    if (version > 1) {\n      i = Alignment.BLOCK[version];\n      y = width - 7;\n\n      for (;;) {\n        x = width - 7;\n\n        while (x > i - 3) {\n          this._addAlignment(x, y);\n\n          if (x < i) {\n            break;\n          }\n\n          x -= i;\n        }\n\n        if (y <= i + 9) {\n          break;\n        }\n\n        y -= i;\n\n        this._addAlignment(6, y);\n        this._addAlignment(y, 6);\n      }\n    }\n  },\n\n  _insertFinders: function() {\n    var i, j, x, y;\n    var buffer = this.buffer;\n    var width = this.width;\n\n    for (i = 0; i < 3; i++) {\n      j = 0;\n      y = 0;\n\n      if (i === 1) {\n        j = width - 7;\n      }\n      if (i === 2) {\n        y = width - 7;\n      }\n\n      buffer[y + 3 + (width * (j + 3))] = 1;\n\n      for (x = 0; x < 6; x++) {\n        buffer[y + x + (width * j)] = 1;\n        buffer[y + (width * (j + x + 1))] = 1;\n        buffer[y + 6 + (width * (j + x))] = 1;\n        buffer[y + x + 1 + (width * (j + 6))] = 1;\n      }\n\n      for (x = 1; x < 5; x++) {\n        this._setMask(y + x, j + 1);\n        this._setMask(y + 1, j + x + 1);\n        this._setMask(y + 5, j + x);\n        this._setMask(y + x + 1, j + 5);\n      }\n\n      for (x = 2; x < 4; x++) {\n        buffer[y + x + (width * (j + 2))] = 1;\n        buffer[y + 2 + (width * (j + x + 1))] = 1;\n        buffer[y + 4 + (width * (j + x))] = 1;\n        buffer[y + x + 1 + (width * (j + 4))] = 1;\n      }\n    }\n  },\n\n  _insertTimingGap: function() {\n    var x, y;\n    var width = this.width;\n\n    for (y = 0; y < 7; y++) {\n      this._setMask(7, y);\n      this._setMask(width - 8, y);\n      this._setMask(7, y + width - 7);\n    }\n\n    for (x = 0; x < 8; x++) {\n      this._setMask(x, 7);\n      this._setMask(x + width - 8, 7);\n      this._setMask(x, width - 8);\n    }\n  },\n\n  _insertTimingRowAndColumn: function() {\n    var x;\n    var buffer = this.buffer;\n    var width = this.width;\n\n    for (x = 0; x < width - 14; x++) {\n      if (x & 1) {\n        this._setMask(8 + x, 6);\n        this._setMask(6, 8 + x);\n      } else {\n        buffer[8 + x + (width * 6)] = 1;\n        buffer[6 + (width * (8 + x))] = 1;\n      }\n    }\n  },\n\n  _insertVersion: function() {\n    var i, j, x, y;\n    var buffer = this.buffer;\n    var version = this._version;\n    var width = this.width;\n\n    if (version > 6) {\n      i = Version.BLOCK[version - 7];\n      j = 17;\n\n      for (x = 0; x < 6; x++) {\n        for (y = 0; y < 3; y++, j--) {\n          if (1 & (j > 11 ? version >> j - 12 : i >> j)) {\n            buffer[5 - x + (width * (2 - y + width - 11))] = 1;\n            buffer[2 - y + width - 11 + (width * (5 - x))] = 1;\n          } else {\n            this._setMask(5 - x, 2 - y + width - 11);\n            this._setMask(2 - y + width - 11, 5 - x);\n          }\n        }\n      }\n    }\n  },\n\n  _isMasked: function(x, y) {\n    var bit = Frame._getMaskBit(x, y);\n\n    return this._mask[bit] === 1;\n  },\n\n  _pack: function() {\n    var bit, i, j;\n    var k = 1;\n    var v = 1;\n    var width = this.width;\n    var x = width - 1;\n    var y = width - 1;\n\n    // Interleaved data and ECC codes.\n    var length = ((this._dataBlock + this._eccBlock) * (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2;\n\n    for (i = 0; i < length; i++) {\n      bit = this._stringBuffer[i];\n\n      for (j = 0; j < 8; j++, bit <<= 1) {\n        if (0x80 & bit) {\n          this.buffer[x + (width * y)] = 1;\n        }\n\n        // Find next fill position.\n        do {\n          if (v) {\n            x--;\n          } else {\n            x++;\n\n            if (k) {\n              if (y !== 0) {\n                y--;\n              } else {\n                x -= 2;\n                k = !k;\n\n                if (x === 6) {\n                  x--;\n                  y = 9;\n                }\n              }\n            } else if (y !== width - 1) {\n              y++;\n            } else {\n              x -= 2;\n              k = !k;\n\n              if (x === 6) {\n                x--;\n                y -= 8;\n              }\n            }\n          }\n\n          v = !v;\n        } while (this._isMasked(x, y));\n      }\n    }\n  },\n\n  _reverseMask: function() {\n    var x, y;\n    var width = this.width;\n\n    for (x = 0; x < 9; x++) {\n      this._setMask(x, 8);\n    }\n\n    for (x = 0; x < 8; x++) {\n      this._setMask(x + width - 8, 8);\n      this._setMask(8, x);\n    }\n\n    for (y = 0; y < 7; y++) {\n      this._setMask(8, y + width - 7);\n    }\n  },\n\n  _setMask: function(x, y) {\n    var bit = Frame._getMaskBit(x, y);\n\n    this._mask[bit] = 1;\n  },\n\n  _syncMask: function() {\n    var x, y;\n    var width = this.width;\n\n    for (y = 0; y < width; y++) {\n      for (x = 0; x <= y; x++) {\n        if (this.buffer[x + (width * y)]) {\n          this._setMask(x, y);\n        }\n      }\n    }\n  }\n\n}, {\n\n  _createArray: function(length) {\n    var i;\n    var array = [];\n\n    for (i = 0; i < length; i++) {\n      array[i] = 0;\n    }\n\n    return array;\n  },\n\n  _getMaskBit: function(x, y) {\n    var bit;\n\n    if (x > y) {\n      bit = x;\n      x = y;\n      y = bit;\n    }\n\n    bit = y;\n    bit += y * y;\n    bit >>= 1;\n    bit += x;\n\n    return bit;\n  },\n\n  _modN: function(x) {\n    while (x >= 255) {\n      x -= 255;\n      x = (x >> 8) + (x & 255);\n    }\n\n    return x;\n  },\n\n  // *Badness* coefficients.\n  N1: 3,\n  N2: 3,\n  N3: 40,\n  N4: 10\n\n});\n\nmodule.exports = Frame;\n\n/**\n * The options used by {@link Frame}.\n *\n * @typedef {Object} Frame~Options\n * @property {string} level - The ECC level to be used.\n * @property {string} value - The value to be encoded.\n */\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Renderer = require('./Renderer');\n\n/**\n * An implementation of {@link Renderer} for working with <code>img</code> elements.\n *\n * This depends on {@link CanvasRenderer} being executed first as this implementation simply applies the data URL from\n * the rendered <code>canvas</code> element as the <code>src</code> for the <code>img</code> element being rendered.\n *\n * @public\n * @class\n * @extends Renderer\n */\nvar ImageRenderer = Renderer.extend({\n\n  /**\n   * @override\n   */\n  draw: function() {\n    this.element.src = this.qrious.toDataURL();\n  },\n\n  /**\n   * @override\n   */\n  reset: function() {\n    this.element.src = '';\n  },\n\n  /**\n   * @override\n   */\n  resize: function() {\n    var element = this.element;\n\n    element.width = element.height = this.qrious.size;\n  }\n\n});\n\nmodule.exports = ImageRenderer;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\n/**\n * Defines an available option while also configuring how values are applied to the target object.\n *\n * Optionally, a default value can be specified as well a value transformer for greater control over how the option\n * value is applied.\n *\n * If no value transformer is specified, then any specified option will be applied directly. All values are maintained\n * on the target object itself as a field using the option name prefixed with a single underscore.\n *\n * When an option is specified as modifiable, the {@link OptionManager} will be required to include a setter for the\n * property that is defined on the target object that uses the option name.\n *\n * @param {string} name - the name to be used\n * @param {boolean} [modifiable] - <code>true</code> if the property defined on target objects should include a setter;\n * otherwise <code>false</code>\n * @param {*} [defaultValue] - the default value to be used\n * @param {Option~ValueTransformer} [valueTransformer] - the value transformer to be used\n * @public\n * @class\n * @extends Nevis\n */\nvar Option = Nevis.extend(function(name, modifiable, defaultValue, valueTransformer) {\n  /**\n   * The name for this {@link Option}.\n   *\n   * @public\n   * @type {string}\n   * @memberof Option#\n   */\n  this.name = name;\n\n  /**\n   * Whether a setter should be included on the property defined on target objects for this {@link Option}.\n   *\n   * @public\n   * @type {boolean}\n   * @memberof Option#\n   */\n  this.modifiable = Boolean(modifiable);\n\n  /**\n   * The default value for this {@link Option}.\n   *\n   * @public\n   * @type {*}\n   * @memberof Option#\n   */\n  this.defaultValue = defaultValue;\n\n  this._valueTransformer = valueTransformer;\n}, {\n\n  /**\n   * Transforms the specified <code>value</code> so that it can be applied for this {@link Option}.\n   *\n   * If a value transformer has been specified for this {@link Option}, it will be called upon to transform\n   * <code>value</code>. Otherwise, <code>value</code> will be returned directly.\n   *\n   * @param {*} value - the value to be transformed\n   * @return {*} The transformed value or <code>value</code> if no value transformer is specified.\n   * @public\n   * @memberof Option#\n   */\n  transform: function(value) {\n    var transformer = this._valueTransformer;\n    if (typeof transformer === 'function') {\n      return transformer(value, this);\n    }\n\n    return value;\n  }\n\n});\n\nmodule.exports = Option;\n\n/**\n * Returns a transformed value for the specified <code>value</code> to be applied for the <code>option</code> provided.\n *\n * @callback Option~ValueTransformer\n * @param {*} value - the value to be transformed\n * @param {Option} option - the {@link Option} for which <code>value</code> is being transformed\n * @return {*} The transform value.\n */\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\n/**\n * Contains utility methods that are useful throughout the library.\n *\n * @public\n * @class\n * @extends Nevis\n */\nvar Utilities = Nevis.extend(null, {\n\n  /**\n   * Returns the absolute value of a given number.\n   *\n   * This method is simply a convenient shorthand for <code>Math.abs</code> while ensuring that nulls are returned as\n   * <code>null</code> instead of zero.\n   *\n   * @param {number} value - the number whose absolute value is to be returned\n   * @return {number} The absolute value of <code>value</code> or <code>null</code> if <code>value</code> is\n   * <code>null</code>.\n   * @public\n   * @static\n   * @memberof Utilities\n   */\n  abs: function(value) {\n    return value != null ? Math.abs(value) : null;\n  },\n\n  /**\n   * Returns whether the specified <code>object</code> has a property with the specified <code>name</code> as an own\n   * (not inherited) property.\n   *\n   * @param {Object} object - the object on which the property is to be checked\n   * @param {string} name - the name of the property to be checked\n   * @return {boolean} <code>true</code> if <code>object</code> has an own property with <code>name</code>.\n   * @public\n   * @static\n   * @memberof Utilities\n   */\n  hasOwn: function(object, name) {\n    return Object.prototype.hasOwnProperty.call(object, name);\n  },\n\n  /**\n   * A non-operation method that does absolutely nothing.\n   *\n   * @return {void}\n   * @public\n   * @static\n   * @memberof Utilities\n   */\n  noop: function() {},\n\n  /**\n   * Transforms the specified <code>string</code> to upper case while remaining null-safe.\n   *\n   * @param {string} string - the string to be transformed to upper case\n   * @return {string} <code>string</code> transformed to upper case if <code>string</code> is not <code>null</code>.\n   * @public\n   * @static\n   * @memberof Utilities\n   */\n  toUpperCase: function(string) {\n    return string != null ? string.toUpperCase() : null;\n  }\n\n});\n\nmodule.exports = Utilities;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\nvar Utilities = require('../util/Utilities');\n\n/**\n * Manages multiple {@link Option} instances that are intended to be used by multiple implementations.\n *\n * Although the option definitions are shared between targets, the values are maintained on the targets themselves.\n *\n * @param {Option[]} options - the options to be used\n * @public\n * @class\n * @extends Nevis\n */\nvar OptionManager = Nevis.extend(function(options) {\n  /**\n   * The available options for this {@link OptionManager}.\n   *\n   * @public\n   * @type {Object.<string, Option>}\n   * @memberof OptionManager#\n   */\n  this.options = {};\n\n  options.forEach(function(option) {\n    this.options[option.name] = option;\n  }, this);\n}, {\n\n  /**\n   * Returns whether an option with the specified <code>name</code> is available.\n   *\n   * @param {string} name - the name of the {@link Option} whose existence is to be checked\n   * @return {boolean} <code>true</code> if an {@link Option} exists with <code>name</code>; otherwise\n   * <code>false</code>.\n   * @public\n   * @memberof OptionManager#\n   */\n  exists: function(name) {\n    return this.options[name] != null;\n  },\n\n  /**\n   * Returns the value of the option with the specified <code>name</code> on the <code>target</code> object provided.\n   *\n   * @param {string} name - the name of the {@link Option} whose value on <code>target</code> is to be returned\n   * @param {Object} target - the object from which the value of the named {@link Option} is to be returned\n   * @return {*} The value of the {@link Option} with <code>name</code> on <code>target</code>.\n   * @public\n   * @memberof OptionManager#\n   */\n  get: function(name, target) {\n    return OptionManager._get(this.options[name], target);\n  },\n\n  /**\n   * Returns a copy of all of the available options on the <code>target</code> object provided.\n   *\n   * @param {Object} target - the object from which the option name/value pairs are to be returned\n   * @return {Object.<string, *>} A hash containing the name/value pairs of all options on <code>target</code>.\n   * @public\n   * @memberof OptionManager#\n   */\n  getAll: function(target) {\n    var name;\n    var options = this.options;\n    var result = {};\n\n    for (name in options) {\n      if (Utilities.hasOwn(options, name)) {\n        result[name] = OptionManager._get(options[name], target);\n      }\n    }\n\n    return result;\n  },\n\n  /**\n   * Initializes the available options for the <code>target</code> object provided and then applies the initial values\n   * within the speciifed <code>options</code>.\n   *\n   * This method will throw an error if any of the names within <code>options</code> does not match an available option.\n   *\n   * This involves setting the default values and defining properties for all of the available options on\n   * <code>target</code> before finally calling {@link OptionMananger#setAll} with <code>options</code> and\n   * <code>target</code>. Any options that are configured to be modifiable will have a setter included in their defined\n   * property that will allow its corresponding value to be modified.\n   *\n   * If a change handler is specified, it will be called whenever the value changes on <code>target</code> for a\n   * modifiable option, but only when done so via the defined property's setter.\n   *\n   * @param {Object.<string, *>} options - the name/value pairs of the initial options to be set\n   * @param {Object} target - the object on which the options are to be initialized\n   * @param {Function} [changeHandler] - the function to be called whenever the value of an modifiable option changes on\n   * <code>target</code>\n   * @return {void}\n   * @throws {Error} If <code>options</code> contains an invalid option name.\n   * @public\n   * @memberof OptionManager#\n   */\n  init: function(options, target, changeHandler) {\n    if (typeof changeHandler !== 'function') {\n      changeHandler = Utilities.noop;\n    }\n\n    var name, option;\n\n    for (name in this.options) {\n      if (Utilities.hasOwn(this.options, name)) {\n        option = this.options[name];\n\n        OptionManager._set(option, option.defaultValue, target);\n        OptionManager._createAccessor(option, target, changeHandler);\n      }\n    }\n\n    this._setAll(options, target, true);\n  },\n\n  /**\n   * Sets the value of the option with the specified <code>name</code> on the <code>target</code> object provided to\n   * <code>value</code>.\n   *\n   * This method will throw an error if <code>name</code> does not match an available option or matches an option that\n   * cannot be modified.\n   *\n   * If <code>value</code> is <code>null</code> and the {@link Option} has a default value configured, then that default\n   * value will be used instead. If the {@link Option} also has a value transformer configured, it will be used to\n   * transform whichever value was determined to be used.\n   *\n   * This method returns whether the value of the underlying field on <code>target</code> was changed as a result.\n   *\n   * @param {string} name - the name of the {@link Option} whose value is to be set\n   * @param {*} value - the value to be set for the named {@link Option} on <code>target</code>\n   * @param {Object} target - the object on which <code>value</code> is to be set for the named {@link Option}\n   * @return {boolean} <code>true</code> if the underlying field on <code>target</code> was changed; otherwise\n   * <code>false</code>.\n   * @throws {Error} If <code>name</code> is invalid or is for an option that cannot be modified.\n   * @public\n   * @memberof OptionManager#\n   */\n  set: function(name, value, target) {\n    return this._set(name, value, target);\n  },\n\n  /**\n   * Sets all of the specified <code>options</code> on the <code>target</code> object provided to their corresponding\n   * values.\n   *\n   * This method will throw an error if any of the names within <code>options</code> does not match an available option\n   * or matches an option that cannot be modified.\n   *\n   * If any value within <code>options</code> is <code>null</code> and the corresponding {@link Option} has a default\n   * value configured, then that default value will be used instead. If an {@link Option} also has a value transformer\n   * configured, it will be used to transform whichever value was determined to be used.\n   *\n   * This method returns whether the value for any of the underlying fields on <code>target</code> were changed as a\n   * result.\n   *\n   * @param {Object.<string, *>} options - the name/value pairs of options to be set\n   * @param {Object} target - the object on which the options are to be set\n   * @return {boolean} <code>true</code> if any of the underlying fields on <code>target</code> were changed; otherwise\n   * <code>false</code>.\n   * @throws {Error} If <code>options</code> contains an invalid option name or an option that cannot be modiifed.\n   * @public\n   * @memberof OptionManager#\n   */\n  setAll: function(options, target) {\n    return this._setAll(options, target);\n  },\n\n  _set: function(name, value, target, allowUnmodifiable) {\n    var option = this.options[name];\n    if (!option) {\n      throw new Error('Invalid option: ' + name);\n    }\n    if (!option.modifiable && !allowUnmodifiable) {\n      throw new Error('Option cannot be modified: ' + name);\n    }\n\n    return OptionManager._set(option, value, target);\n  },\n\n  _setAll: function(options, target, allowUnmodifiable) {\n    if (!options) {\n      return false;\n    }\n\n    var name;\n    var changed = false;\n\n    for (name in options) {\n      if (Utilities.hasOwn(options, name) && this._set(name, options[name], target, allowUnmodifiable)) {\n        changed = true;\n      }\n    }\n\n    return changed;\n  }\n\n}, {\n\n  _createAccessor: function(option, target, changeHandler) {\n    var descriptor = {\n      get: function() {\n        return OptionManager._get(option, target);\n      }\n    };\n\n    if (option.modifiable) {\n      descriptor.set = function(value) {\n        if (OptionManager._set(option, value, target)) {\n          changeHandler(value, option);\n        }\n      };\n    }\n\n    Object.defineProperty(target, option.name, descriptor);\n  },\n\n  _get: function(option, target) {\n    return target['_' + option.name];\n  },\n\n  _set: function(option, value, target) {\n    var fieldName = '_' + option.name;\n    var oldValue = target[fieldName];\n    var newValue = option.transform(value != null ? value : option.defaultValue);\n\n    target[fieldName] = newValue;\n\n    return newValue !== oldValue;\n  }\n\n});\n\nmodule.exports = OptionManager;\n\n/**\n * Called whenever the value of a modifiable {@link Option} is changed on a target object via the defined property's\n * setter.\n *\n * @callback OptionManager~ChangeHandler\n * @param {*} value - the new value for <code>option</code> on the target object\n * @param {Option} option - the modifable {@link Option} whose value has changed on the target object.\n * @return {void}\n */\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\n/**\n * A basic manager for {@link Service} implementations that are mapped to simple names.\n *\n * @public\n * @class\n * @extends Nevis\n */\nvar ServiceManager = Nevis.extend(function() {\n  this._services = {};\n}, {\n\n  /**\n   * Returns the {@link Service} being managed with the specified <code>name</code>.\n   *\n   * @param {string} name - the name of the {@link Service} to be returned\n   * @return {Service} The {@link Service} is being managed with <code>name</code>.\n   * @throws {Error} If no {@link Service} is being managed with <code>name</code>.\n   * @public\n   * @memberof ServiceManager#\n   */\n  getService: function(name) {\n    var service = this._services[name];\n    if (!service) {\n      throw new Error('Service is not being managed with name: ' + name);\n    }\n\n    return service;\n  },\n\n  /**\n   * Sets the {@link Service} implementation to be managed for the specified <code>name</code> to the\n   * <code>service</code> provided.\n   *\n   * @param {string} name - the name of the {@link Service} to be managed with <code>name</code>\n   * @param {Service} service - the {@link Service} implementation to be managed\n   * @return {void}\n   * @throws {Error} If a {@link Service} is already being managed with the same <code>name</code>.\n   * @public\n   * @memberof ServiceManager#\n   */\n  setService: function(name, service) {\n    if (this._services[name]) {\n      throw new Error('Service is already managed with name: ' + name);\n    }\n\n    if (service) {\n      this._services[name] = service;\n    }\n  }\n\n});\n\nmodule.exports = ServiceManager;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar Nevis = require('nevis/lite');\n\nvar CanvasRenderer = require('./renderer/CanvasRenderer');\nvar Frame = require('./Frame');\nvar ImageRenderer = require('./renderer/ImageRenderer');\nvar Option = require('./option/Option');\nvar OptionManager = require('./option/OptionManager');\nvar ServiceManager = require('./service/ServiceManager');\nvar Utilities = require('./util/Utilities');\n\nvar optionManager = new OptionManager([\n  new Option('background', true, 'white'),\n  new Option('backgroundAlpha', true, 1, Utilities.abs),\n  new Option('element'),\n  new Option('foreground', true, 'black'),\n  new Option('foregroundAlpha', true, 1, Utilities.abs),\n  new Option('level', true, 'L', Utilities.toUpperCase),\n  new Option('mime', true, 'image/png'),\n  new Option('padding', true, null, Utilities.abs),\n  new Option('size', true, 100, Utilities.abs),\n  new Option('value', true, '')\n]);\nvar serviceManager = new ServiceManager();\n\n/**\n * Enables configuration of a QR code generator which uses HTML5 <code>canvas</code> for rendering.\n *\n * @param {QRious~Options} [options] - the options to be used\n * @throws {Error} If any <code>options</code> are invalid.\n * @public\n * @class\n * @extends Nevis\n */\nvar QRious = Nevis.extend(function(options) {\n  optionManager.init(options, this, this.update.bind(this));\n\n  var element = optionManager.get('element', this);\n  var elementService = serviceManager.getService('element');\n  var canvas = element && elementService.isCanvas(element) ? element : elementService.createCanvas();\n  var image = element && elementService.isImage(element) ? element : elementService.createImage();\n\n  this._canvasRenderer = new CanvasRenderer(this, canvas, true);\n  this._imageRenderer = new ImageRenderer(this, image, image === element);\n\n  this.update();\n}, {\n\n  /**\n   * Returns all of the options configured for this {@link QRious}.\n   *\n   * Any changes made to the returned object will not be reflected in the options themselves or their corresponding\n   * underlying fields.\n   *\n   * @return {Object.<string, *>} A copy of the applied options.\n   * @public\n   * @memberof QRious#\n   */\n  get: function() {\n    return optionManager.getAll(this);\n  },\n\n  /**\n   * Sets all of the specified <code>options</code> and automatically updates this {@link QRious} if any of the\n   * underlying fields are changed as a result.\n   *\n   * This is the preferred method for updating multiple options at one time to avoid unnecessary updates between\n   * changes.\n   *\n   * @param {QRious~Options} options - the options to be set\n   * @return {void}\n   * @throws {Error} If any <code>options</code> are invalid or cannot be modified.\n   * @public\n   * @memberof QRious#\n   */\n  set: function(options) {\n    if (optionManager.setAll(options, this)) {\n      this.update();\n    }\n  },\n\n  /**\n   * Returns the image data URI for the generated QR code using the <code>mime</code> provided.\n   *\n   * @param {string} [mime] - the MIME type for the image\n   * @return {string} The image data URI for the QR code.\n   * @public\n   * @memberof QRious#\n   */\n  toDataURL: function(mime) {\n    return this.canvas.toDataURL(mime || this.mime);\n  },\n\n  /**\n   * Updates this {@link QRious} by generating a new {@link Frame} and re-rendering the QR code.\n   *\n   * @return {void}\n   * @protected\n   * @memberof QRious#\n   */\n  update: function() {\n    var frame = new Frame({\n      level: this.level,\n      value: this.value\n    });\n\n    this._canvasRenderer.render(frame);\n    this._imageRenderer.render(frame);\n  }\n\n}, {\n\n  /**\n   * The current version of {@link QRious}.\n   *\n   * @public\n   * @static\n   * @type {string}\n   * @memberof QRious\n   */\n  VERSION: '3.0.0',\n\n  /**\n   * Configures the <code>service</code> provided to be used by all {@link QRious} instances.\n   *\n   * @param {Service} service - the {@link Service} to be configured\n   * @return {void}\n   * @throws {Error} If a {@link Service} has already been configured with the same name.\n   * @public\n   * @static\n   * @memberof QRious\n   */\n  use: function(service) {\n    serviceManager.setService(service.getName(), service);\n  }\n\n});\n\nObject.defineProperties(QRious.prototype, {\n\n  canvas: {\n    /**\n     * Returns the <code>canvas</code> element being used to render the QR code for this {@link QRious}.\n     *\n     * @return {*} The <code>canvas</code> element.\n     * @public\n     * @memberof QRious#\n     * @alias canvas\n     */\n    get: function() {\n      return this._canvasRenderer.getElement();\n    }\n  },\n\n  image: {\n    /**\n     * Returns the <code>img</code> element being used to render the QR code for this {@link QRious}.\n     *\n     * @return {*} The <code>img</code> element.\n     * @public\n     * @memberof QRious#\n     * @alias image\n     */\n    get: function() {\n      return this._imageRenderer.getElement();\n    }\n  }\n\n});\n\nmodule.exports = QRious;\n\n/**\n * The options used by {@link QRious}.\n *\n * @typedef {Object} QRious~Options\n * @property {string} [background=\"white\"] - The background color to be applied to the QR code.\n * @property {number} [backgroundAlpha=1] - The background alpha to be applied to the QR code.\n * @property {*} [element] - The element to be used to render the QR code which may either be an <code>canvas</code> or\n * <code>img</code>. The element(s) will be created if needed.\n * @property {string} [foreground=\"black\"] - The foreground color to be applied to the QR code.\n * @property {number} [foregroundAlpha=1] - The foreground alpha to be applied to the QR code.\n * @property {string} [level=\"L\"] - The error correction level to be applied to the QR code.\n * @property {string} [mime=\"image/png\"] - The MIME type to be used to render the image for the QR code.\n * @property {number} [padding] - The padding for the QR code in pixels.\n * @property {number} [size=100] - The size of the QR code in pixels.\n * @property {string} [value=\"\"] - The value to be encoded within the QR code.\n */\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n'use strict';\n\nvar BrowserElementService = require('../service/element/BrowserElementService');\nvar QRious = require('../QRious');\n\nQRious.use(new BrowserElementService());\n\nmodule.exports = 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\ No newline at end of file
diff --git a/dist/umd/qrious.js b/dist/umd/qrious.js
deleted file mode 100644
index 4284185..0000000
--- a/dist/umd/qrious.js
+++ /dev/null
@@ -1,4024 +0,0 @@
-/*
- * QRious v2.3.0
- * Copyright (C) 2017 Alasdair Mercer
- * Copyright (C) 2010 Tom Zerucha
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-(function (global, factory) {
-	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
-	typeof define === 'function' && define.amd ? define('qrious', factory) :
-	(global.QRious = factory());
-}(this, (function () { 'use strict';
-
-	function unwrapExports (x) {
-		return x && x.__esModule ? x['default'] : x;
-	}
-
-	function createCommonjsModule(fn, module) {
-		return module = { exports: {} }, fn(module, module.exports), module.exports;
-	}
-
-	// 7.2.1 RequireObjectCoercible(argument)
-	var _defined = function(it){
-	  if(it == undefined)throw TypeError("Can't call method on  " + it);
-	  return it;
-	};
-
-	// 7.1.13 ToObject(argument)
-
-	var _toObject = function(it){
-	  return Object(_defined(it));
-	};
-
-	var hasOwnProperty = {}.hasOwnProperty;
-	var _has = function(it, key){
-	  return hasOwnProperty.call(it, key);
-	};
-
-	var _global = createCommonjsModule(function (module) {
-	// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
-	var global = module.exports = typeof window != 'undefined' && window.Math == Math
-	  ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();
-	if(typeof __g == 'number')__g = global; // eslint-disable-line no-undef
-	});
-
-	var SHARED = '__core-js_shared__';
-	var store  = _global[SHARED] || (_global[SHARED] = {});
-	var _shared = function(key){
-	  return store[key] || (store[key] = {});
-	};
-
-	var id = 0;
-	var px = Math.random();
-	var _uid = function(key){
-	  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
-	};
-
-	var shared = _shared('keys');
-	var _sharedKey = function(key){
-	  return shared[key] || (shared[key] = _uid(key));
-	};
-
-	// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)
-	var IE_PROTO    = _sharedKey('IE_PROTO');
-	var ObjectProto = Object.prototype;
-
-	var _objectGpo = Object.getPrototypeOf || function(O){
-	  O = _toObject(O);
-	  if(_has(O, IE_PROTO))return O[IE_PROTO];
-	  if(typeof O.constructor == 'function' && O instanceof O.constructor){
-	    return O.constructor.prototype;
-	  } return O instanceof Object ? ObjectProto : null;
-	};
-
-	var _core = createCommonjsModule(function (module) {
-	var core = module.exports = {version: '2.4.0'};
-	if(typeof __e == 'number')__e = core; // eslint-disable-line no-undef
-	});
-
-	var _aFunction = function(it){
-	  if(typeof it != 'function')throw TypeError(it + ' is not a function!');
-	  return it;
-	};
-
-	// optional / simple context binding
-
-	var _ctx = function(fn, that, length){
-	  _aFunction(fn);
-	  if(that === undefined)return fn;
-	  switch(length){
-	    case 1: return function(a){
-	      return fn.call(that, a);
-	    };
-	    case 2: return function(a, b){
-	      return fn.call(that, a, b);
-	    };
-	    case 3: return function(a, b, c){
-	      return fn.call(that, a, b, c);
-	    };
-	  }
-	  return function(/* ...args */){
-	    return fn.apply(that, arguments);
-	  };
-	};
-
-	var _isObject = function(it){
-	  return typeof it === 'object' ? it !== null : typeof it === 'function';
-	};
-
-	var _anObject = function(it){
-	  if(!_isObject(it))throw TypeError(it + ' is not an object!');
-	  return it;
-	};
-
-	var _fails = function(exec){
-	  try {
-	    return !!exec();
-	  } catch(e){
-	    return true;
-	  }
-	};
-
-	// Thank's IE8 for his funny defineProperty
-	var _descriptors = !_fails(function(){
-	  return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7;
-	});
-
-	var document$1 = _global.document;
-	var is = _isObject(document$1) && _isObject(document$1.createElement);
-	var _domCreate = function(it){
-	  return is ? document$1.createElement(it) : {};
-	};
-
-	var _ie8DomDefine = !_descriptors && !_fails(function(){
-	  return Object.defineProperty(_domCreate('div'), 'a', {get: function(){ return 7; }}).a != 7;
-	});
-
-	// 7.1.1 ToPrimitive(input [, PreferredType])
-
-	// instead of the ES6 spec version, we didn't implement @@toPrimitive case
-	// and the second argument - flag - preferred type is a string
-	var _toPrimitive = function(it, S){
-	  if(!_isObject(it))return it;
-	  var fn, val;
-	  if(S && typeof (fn = it.toString) == 'function' && !_isObject(val = fn.call(it)))return val;
-	  if(typeof (fn = it.valueOf) == 'function' && !_isObject(val = fn.call(it)))return val;
-	  if(!S && typeof (fn = it.toString) == 'function' && !_isObject(val = fn.call(it)))return val;
-	  throw TypeError("Can't convert object to primitive value");
-	};
-
-	var dP             = Object.defineProperty;
-
-	var f = _descriptors ? Object.defineProperty : function defineProperty(O, P, Attributes){
-	  _anObject(O);
-	  P = _toPrimitive(P, true);
-	  _anObject(Attributes);
-	  if(_ie8DomDefine)try {
-	    return dP(O, P, Attributes);
-	  } catch(e){ /* empty */ }
-	  if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!');
-	  if('value' in Attributes)O[P] = Attributes.value;
-	  return O;
-	};
-
-	var _objectDp = {
-		f: f
-	};
-
-	var _propertyDesc = function(bitmap, value){
-	  return {
-	    enumerable  : !(bitmap & 1),
-	    configurable: !(bitmap & 2),
-	    writable    : !(bitmap & 4),
-	    value       : value
-	  };
-	};
-
-	var _hide = _descriptors ? function(object, key, value){
-	  return _objectDp.f(object, key, _propertyDesc(1, value));
-	} : function(object, key, value){
-	  object[key] = value;
-	  return object;
-	};
-
-	var PROTOTYPE = 'prototype';
-
-	var $export = function(type, name, source){
-	  var IS_FORCED = type & $export.F
-	    , IS_GLOBAL = type & $export.G
-	    , IS_STATIC = type & $export.S
-	    , IS_PROTO  = type & $export.P
-	    , IS_BIND   = type & $export.B
-	    , IS_WRAP   = type & $export.W
-	    , exports   = IS_GLOBAL ? _core : _core[name] || (_core[name] = {})
-	    , expProto  = exports[PROTOTYPE]
-	    , target    = IS_GLOBAL ? _global : IS_STATIC ? _global[name] : (_global[name] || {})[PROTOTYPE]
-	    , key, own, out;
-	  if(IS_GLOBAL)source = name;
-	  for(key in source){
-	    // contains in native
-	    own = !IS_FORCED && target && target[key] !== undefined;
-	    if(own && key in exports)continue;
-	    // export native or passed
-	    out = own ? target[key] : source[key];
-	    // prevent global pollution for namespaces
-	    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]
-	    // bind timers to global for call from export context
-	    : IS_BIND && own ? _ctx(out, _global)
-	    // wrap global constructors for prevent change them in library
-	    : IS_WRAP && target[key] == out ? (function(C){
-	      var F = function(a, b, c){
-	        if(this instanceof C){
-	          switch(arguments.length){
-	            case 0: return new C;
-	            case 1: return new C(a);
-	            case 2: return new C(a, b);
-	          } return new C(a, b, c);
-	        } return C.apply(this, arguments);
-	      };
-	      F[PROTOTYPE] = C[PROTOTYPE];
-	      return F;
-	    // make static versions for prototype methods
-	    })(out) : IS_PROTO && typeof out == 'function' ? _ctx(Function.call, out) : out;
-	    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%
-	    if(IS_PROTO){
-	      (exports.virtual || (exports.virtual = {}))[key] = out;
-	      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%
-	      if(type & $export.R && expProto && !expProto[key])_hide(expProto, key, out);
-	    }
-	  }
-	};
-	// type bitmap
-	$export.F = 1;   // forced
-	$export.G = 2;   // global
-	$export.S = 4;   // static
-	$export.P = 8;   // proto
-	$export.B = 16;  // bind
-	$export.W = 32;  // wrap
-	$export.U = 64;  // safe
-	$export.R = 128; // real proto method for `library` 
-	var _export = $export;
-
-	// most Object methods by ES6 should accept primitives
-
-	var _objectSap = function(KEY, exec){
-	  var fn  = (_core.Object || {})[KEY] || Object[KEY]
-	    , exp = {};
-	  exp[KEY] = exec(fn);
-	  _export(_export.S + _export.F * _fails(function(){ fn(1); }), 'Object', exp);
-	};
-
-	// 19.1.2.9 Object.getPrototypeOf(O)
-
-
-	_objectSap('getPrototypeOf', function(){
-	  return function getPrototypeOf(it){
-	    return _objectGpo(_toObject(it));
-	  };
-	});
-
-	var getPrototypeOf$1 = _core.Object.getPrototypeOf;
-
-	var getPrototypeOf = createCommonjsModule(function (module) {
-	module.exports = { "default": getPrototypeOf$1, __esModule: true };
-	});
-
-	var _Object$getPrototypeOf = unwrapExports(getPrototypeOf);
-
-	var classCallCheck = createCommonjsModule(function (module, exports) {
-	"use strict";
-
-	exports.__esModule = true;
-
-	exports.default = function (instance, Constructor) {
-	  if (!(instance instanceof Constructor)) {
-	    throw new TypeError("Cannot call a class as a function");
-	  }
-	};
-	});
-
-	var _classCallCheck = unwrapExports(classCallCheck);
-
-	// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)
-	_export(_export.S + _export.F * !_descriptors, 'Object', {defineProperty: _objectDp.f});
-
-	var $Object = _core.Object;
-	var defineProperty$2 = function defineProperty(it, key, desc){
-	  return $Object.defineProperty(it, key, desc);
-	};
-
-	var defineProperty = createCommonjsModule(function (module) {
-	module.exports = { "default": defineProperty$2, __esModule: true };
-	});
-
-	var createClass = createCommonjsModule(function (module, exports) {
-	"use strict";
-
-	exports.__esModule = true;
-
-
-
-	var _defineProperty2 = _interopRequireDefault(defineProperty);
-
-	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
-	exports.default = function () {
-	  function defineProperties(target, props) {
-	    for (var i = 0; i < props.length; i++) {
-	      var descriptor = props[i];
-	      descriptor.enumerable = descriptor.enumerable || false;
-	      descriptor.configurable = true;
-	      if ("value" in descriptor) descriptor.writable = true;
-	      (0, _defineProperty2.default)(target, descriptor.key, descriptor);
-	    }
-	  }
-
-	  return function (Constructor, protoProps, staticProps) {
-	    if (protoProps) defineProperties(Constructor.prototype, protoProps);
-	    if (staticProps) defineProperties(Constructor, staticProps);
-	    return Constructor;
-	  };
-	}();
-	});
-
-	var _createClass = unwrapExports(createClass);
-
-	// 7.1.4 ToInteger
-	var ceil  = Math.ceil;
-	var floor = Math.floor;
-	var _toInteger = function(it){
-	  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
-	};
-
-	// true  -> String#at
-	// false -> String#codePointAt
-	var _stringAt = function(TO_STRING){
-	  return function(that, pos){
-	    var s = String(_defined(that))
-	      , i = _toInteger(pos)
-	      , l = s.length
-	      , a, b;
-	    if(i < 0 || i >= l)return TO_STRING ? '' : undefined;
-	    a = s.charCodeAt(i);
-	    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff
-	      ? TO_STRING ? s.charAt(i) : a
-	      : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;
-	  };
-	};
-
-	var _library = true;
-
-	var _redefine = _hide;
-
-	var _iterators = {};
-
-	var toString = {}.toString;
-
-	var _cof = function(it){
-	  return toString.call(it).slice(8, -1);
-	};
-
-	// fallback for non-array-like ES3 and non-enumerable old V8 strings
-
-	var _iobject = Object('z').propertyIsEnumerable(0) ? Object : function(it){
-	  return _cof(it) == 'String' ? it.split('') : Object(it);
-	};
-
-	// to indexed object, toObject with fallback for non-array-like ES3 strings
-
-	var _toIobject = function(it){
-	  return _iobject(_defined(it));
-	};
-
-	// 7.1.15 ToLength
-	var min       = Math.min;
-	var _toLength = function(it){
-	  return it > 0 ? min(_toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991
-	};
-
-	var max       = Math.max;
-	var min$1       = Math.min;
-	var _toIndex = function(index, length){
-	  index = _toInteger(index);
-	  return index < 0 ? max(index + length, 0) : min$1(index, length);
-	};
-
-	// false -> Array#indexOf
-	// true  -> Array#includes
-
-	var _arrayIncludes = function(IS_INCLUDES){
-	  return function($this, el, fromIndex){
-	    var O      = _toIobject($this)
-	      , length = _toLength(O.length)
-	      , index  = _toIndex(fromIndex, length)
-	      , value;
-	    // Array#includes uses SameValueZero equality algorithm
-	    if(IS_INCLUDES && el != el)while(length > index){
-	      value = O[index++];
-	      if(value != value)return true;
-	    // Array#toIndex ignores holes, Array#includes - not
-	    } else for(;length > index; index++)if(IS_INCLUDES || index in O){
-	      if(O[index] === el)return IS_INCLUDES || index || 0;
-	    } return !IS_INCLUDES && -1;
-	  };
-	};
-
-	var arrayIndexOf = _arrayIncludes(false);
-	var IE_PROTO$2     = _sharedKey('IE_PROTO');
-
-	var _objectKeysInternal = function(object, names){
-	  var O      = _toIobject(object)
-	    , i      = 0
-	    , result = []
-	    , key;
-	  for(key in O)if(key != IE_PROTO$2)_has(O, key) && result.push(key);
-	  // Don't enum bug & hidden keys
-	  while(names.length > i)if(_has(O, key = names[i++])){
-	    ~arrayIndexOf(result, key) || result.push(key);
-	  }
-	  return result;
-	};
-
-	// IE 8- don't enum bug keys
-	var _enumBugKeys = (
-	  'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'
-	).split(',');
-
-	// 19.1.2.14 / 15.2.3.14 Object.keys(O)
-
-
-	var _objectKeys = Object.keys || function keys(O){
-	  return _objectKeysInternal(O, _enumBugKeys);
-	};
-
-	var _objectDps = _descriptors ? Object.defineProperties : function defineProperties(O, Properties){
-	  _anObject(O);
-	  var keys   = _objectKeys(Properties)
-	    , length = keys.length
-	    , i = 0
-	    , P;
-	  while(length > i)_objectDp.f(O, P = keys[i++], Properties[P]);
-	  return O;
-	};
-
-	var _html = _global.document && document.documentElement;
-
-	// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
-	var IE_PROTO$1    = _sharedKey('IE_PROTO');
-	var Empty       = function(){ /* empty */ };
-	var PROTOTYPE$1   = 'prototype';
-
-	// Create object with fake `null` prototype: use iframe Object with cleared prototype
-	var createDict = function(){
-	  // Thrash, waste and sodomy: IE GC bug
-	  var iframe = _domCreate('iframe')
-	    , i      = _enumBugKeys.length
-	    , lt     = '<'
-	    , gt     = '>'
-	    , iframeDocument;
-	  iframe.style.display = 'none';
-	  _html.appendChild(iframe);
-	  iframe.src = 'javascript:'; // eslint-disable-line no-script-url
-	  // createDict = iframe.contentWindow.Object;
-	  // html.removeChild(iframe);
-	  iframeDocument = iframe.contentWindow.document;
-	  iframeDocument.open();
-	  iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);
-	  iframeDocument.close();
-	  createDict = iframeDocument.F;
-	  while(i--)delete createDict[PROTOTYPE$1][_enumBugKeys[i]];
-	  return createDict();
-	};
-
-	var _objectCreate = Object.create || function create(O, Properties){
-	  var result;
-	  if(O !== null){
-	    Empty[PROTOTYPE$1] = _anObject(O);
-	    result = new Empty;
-	    Empty[PROTOTYPE$1] = null;
-	    // add "__proto__" for Object.getPrototypeOf polyfill
-	    result[IE_PROTO$1] = O;
-	  } else result = createDict();
-	  return Properties === undefined ? result : _objectDps(result, Properties);
-	};
-
-	var _wks = createCommonjsModule(function (module) {
-	var store      = _shared('wks')
-	  , Symbol     = _global.Symbol
-	  , USE_SYMBOL = typeof Symbol == 'function';
-
-	var $exports = module.exports = function(name){
-	  return store[name] || (store[name] =
-	    USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : _uid)('Symbol.' + name));
-	};
-
-	$exports.store = store;
-	});
-
-	var def = _objectDp.f;
-	var TAG = _wks('toStringTag');
-
-	var _setToStringTag = function(it, tag, stat){
-	  if(it && !_has(it = stat ? it : it.prototype, TAG))def(it, TAG, {configurable: true, value: tag});
-	};
-
-	var IteratorPrototype = {};
-
-	// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()
-	_hide(IteratorPrototype, _wks('iterator'), function(){ return this; });
-
-	var _iterCreate = function(Constructor, NAME, next){
-	  Constructor.prototype = _objectCreate(IteratorPrototype, {next: _propertyDesc(1, next)});
-	  _setToStringTag(Constructor, NAME + ' Iterator');
-	};
-
-	var ITERATOR       = _wks('iterator');
-	var BUGGY          = !([].keys && 'next' in [].keys());
-	var FF_ITERATOR    = '@@iterator';
-	var KEYS           = 'keys';
-	var VALUES         = 'values';
-
-	var returnThis = function(){ return this; };
-
-	var _iterDefine = function(Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED){
-	  _iterCreate(Constructor, NAME, next);
-	  var getMethod = function(kind){
-	    if(!BUGGY && kind in proto)return proto[kind];
-	    switch(kind){
-	      case KEYS: return function keys(){ return new Constructor(this, kind); };
-	      case VALUES: return function values(){ return new Constructor(this, kind); };
-	    } return function entries(){ return new Constructor(this, kind); };
-	  };
-	  var TAG        = NAME + ' Iterator'
-	    , DEF_VALUES = DEFAULT == VALUES
-	    , VALUES_BUG = false
-	    , proto      = Base.prototype
-	    , $native    = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT]
-	    , $default   = $native || getMethod(DEFAULT)
-	    , $entries   = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined
-	    , $anyNative = NAME == 'Array' ? proto.entries || $native : $native
-	    , methods, key, IteratorPrototype;
-	  // Fix native
-	  if($anyNative){
-	    IteratorPrototype = _objectGpo($anyNative.call(new Base));
-	    if(IteratorPrototype !== Object.prototype){
-	      // Set @@toStringTag to native iterators
-	      _setToStringTag(IteratorPrototype, TAG, true);
-	      // fix for some old engines
-	      if(!_library && !_has(IteratorPrototype, ITERATOR))_hide(IteratorPrototype, ITERATOR, returnThis);
-	    }
-	  }
-	  // fix Array#{values, @@iterator}.name in V8 / FF
-	  if(DEF_VALUES && $native && $native.name !== VALUES){
-	    VALUES_BUG = true;
-	    $default = function values(){ return $native.call(this); };
-	  }
-	  // Define iterator
-	  if((!_library || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])){
-	    _hide(proto, ITERATOR, $default);
-	  }
-	  // Plug for library
-	  _iterators[NAME] = $default;
-	  _iterators[TAG]  = returnThis;
-	  if(DEFAULT){
-	    methods = {
-	      values:  DEF_VALUES ? $default : getMethod(VALUES),
-	      keys:    IS_SET     ? $default : getMethod(KEYS),
-	      entries: $entries
-	    };
-	    if(FORCED)for(key in methods){
-	      if(!(key in proto))_redefine(proto, key, methods[key]);
-	    } else _export(_export.P + _export.F * (BUGGY || VALUES_BUG), NAME, methods);
-	  }
-	  return methods;
-	};
-
-	var $at  = _stringAt(true);
-
-	// 21.1.3.27 String.prototype[@@iterator]()
-	_iterDefine(String, 'String', function(iterated){
-	  this._t = String(iterated); // target
-	  this._i = 0;                // next index
-	// 21.1.5.2.1 %StringIteratorPrototype%.next()
-	}, function(){
-	  var O     = this._t
-	    , index = this._i
-	    , point;
-	  if(index >= O.length)return {value: undefined, done: true};
-	  point = $at(O, index);
-	  this._i += point.length;
-	  return {value: point, done: false};
-	});
-
-	var _addToUnscopables = function(){ /* empty */ };
-
-	var _iterStep = function(done, value){
-	  return {value: value, done: !!done};
-	};
-
-	// 22.1.3.4 Array.prototype.entries()
-	// 22.1.3.13 Array.prototype.keys()
-	// 22.1.3.29 Array.prototype.values()
-	// 22.1.3.30 Array.prototype[@@iterator]()
-	var es6_array_iterator = _iterDefine(Array, 'Array', function(iterated, kind){
-	  this._t = _toIobject(iterated); // target
-	  this._i = 0;                   // next index
-	  this._k = kind;                // kind
-	// 22.1.5.2.1 %ArrayIteratorPrototype%.next()
-	}, function(){
-	  var O     = this._t
-	    , kind  = this._k
-	    , index = this._i++;
-	  if(!O || index >= O.length){
-	    this._t = undefined;
-	    return _iterStep(1);
-	  }
-	  if(kind == 'keys'  )return _iterStep(0, index);
-	  if(kind == 'values')return _iterStep(0, O[index]);
-	  return _iterStep(0, [index, O[index]]);
-	}, 'values');
-
-	// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)
-	_iterators.Arguments = _iterators.Array;
-
-	_addToUnscopables('keys');
-	_addToUnscopables('values');
-	_addToUnscopables('entries');
-
-	var TO_STRING_TAG = _wks('toStringTag');
-
-	for(var collections = ['NodeList', 'DOMTokenList', 'MediaList', 'StyleSheetList', 'CSSRuleList'], i = 0; i < 5; i++){
-	  var NAME       = collections[i]
-	    , Collection = _global[NAME]
-	    , proto      = Collection && Collection.prototype;
-	  if(proto && !proto[TO_STRING_TAG])_hide(proto, TO_STRING_TAG, NAME);
-	  _iterators[NAME] = _iterators.Array;
-	}
-
-	var f$1 = _wks;
-
-	var _wksExt = {
-		f: f$1
-	};
-
-	var iterator$2 = _wksExt.f('iterator');
-
-	var iterator = createCommonjsModule(function (module) {
-	module.exports = { "default": iterator$2, __esModule: true };
-	});
-
-	var _meta = createCommonjsModule(function (module) {
-	var META     = _uid('meta')
-	  , setDesc  = _objectDp.f
-	  , id       = 0;
-	var isExtensible = Object.isExtensible || function(){
-	  return true;
-	};
-	var FREEZE = !_fails(function(){
-	  return isExtensible(Object.preventExtensions({}));
-	});
-	var setMeta = function(it){
-	  setDesc(it, META, {value: {
-	    i: 'O' + ++id, // object ID
-	    w: {}          // weak collections IDs
-	  }});
-	};
-	var fastKey = function(it, create){
-	  // return primitive with prefix
-	  if(!_isObject(it))return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;
-	  if(!_has(it, META)){
-	    // can't set metadata to uncaught frozen object
-	    if(!isExtensible(it))return 'F';
-	    // not necessary to add metadata
-	    if(!create)return 'E';
-	    // add missing metadata
-	    setMeta(it);
-	  // return object ID
-	  } return it[META].i;
-	};
-	var getWeak = function(it, create){
-	  if(!_has(it, META)){
-	    // can't set metadata to uncaught frozen object
-	    if(!isExtensible(it))return true;
-	    // not necessary to add metadata
-	    if(!create)return false;
-	    // add missing metadata
-	    setMeta(it);
-	  // return hash weak collections IDs
-	  } return it[META].w;
-	};
-	// add metadata on freeze-family methods calling
-	var onFreeze = function(it){
-	  if(FREEZE && meta.NEED && isExtensible(it) && !_has(it, META))setMeta(it);
-	  return it;
-	};
-	var meta = module.exports = {
-	  KEY:      META,
-	  NEED:     false,
-	  fastKey:  fastKey,
-	  getWeak:  getWeak,
-	  onFreeze: onFreeze
-	};
-	});
-
-	var defineProperty$4 = _objectDp.f;
-	var _wksDefine = function(name){
-	  var $Symbol = _core.Symbol || (_core.Symbol = _library ? {} : _global.Symbol || {});
-	  if(name.charAt(0) != '_' && !(name in $Symbol))defineProperty$4($Symbol, name, {value: _wksExt.f(name)});
-	};
-
-	var _keyof = function(object, el){
-	  var O      = _toIobject(object)
-	    , keys   = _objectKeys(O)
-	    , length = keys.length
-	    , index  = 0
-	    , key;
-	  while(length > index)if(O[key = keys[index++]] === el)return key;
-	};
-
-	var f$2 = Object.getOwnPropertySymbols;
-
-	var _objectGops = {
-		f: f$2
-	};
-
-	var f$3 = {}.propertyIsEnumerable;
-
-	var _objectPie = {
-		f: f$3
-	};
-
-	// all enumerable object keys, includes symbols
-
-	var _enumKeys = function(it){
-	  var result     = _objectKeys(it)
-	    , getSymbols = _objectGops.f;
-	  if(getSymbols){
-	    var symbols = getSymbols(it)
-	      , isEnum  = _objectPie.f
-	      , i       = 0
-	      , key;
-	    while(symbols.length > i)if(isEnum.call(it, key = symbols[i++]))result.push(key);
-	  } return result;
-	};
-
-	// 7.2.2 IsArray(argument)
-
-	var _isArray = Array.isArray || function isArray(arg){
-	  return _cof(arg) == 'Array';
-	};
-
-	// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)
-	var hiddenKeys = _enumBugKeys.concat('length', 'prototype');
-
-	var f$5 = Object.getOwnPropertyNames || function getOwnPropertyNames(O){
-	  return _objectKeysInternal(O, hiddenKeys);
-	};
-
-	var _objectGopn = {
-		f: f$5
-	};
-
-	// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window
-	var gOPN$1      = _objectGopn.f;
-	var toString$1  = {}.toString;
-
-	var windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames
-	  ? Object.getOwnPropertyNames(window) : [];
-
-	var getWindowNames = function(it){
-	  try {
-	    return gOPN$1(it);
-	  } catch(e){
-	    return windowNames.slice();
-	  }
-	};
-
-	var f$4 = function getOwnPropertyNames(it){
-	  return windowNames && toString$1.call(it) == '[object Window]' ? getWindowNames(it) : gOPN$1(_toIobject(it));
-	};
-
-	var _objectGopnExt = {
-		f: f$4
-	};
-
-	var gOPD$1           = Object.getOwnPropertyDescriptor;
-
-	var f$6 = _descriptors ? gOPD$1 : function getOwnPropertyDescriptor(O, P){
-	  O = _toIobject(O);
-	  P = _toPrimitive(P, true);
-	  if(_ie8DomDefine)try {
-	    return gOPD$1(O, P);
-	  } catch(e){ /* empty */ }
-	  if(_has(O, P))return _propertyDesc(!_objectPie.f.call(O, P), O[P]);
-	};
-
-	var _objectGopd = {
-		f: f$6
-	};
-
-	// ECMAScript 6 symbols shim
-	var META           = _meta.KEY;
-	var gOPD           = _objectGopd.f;
-	var dP$1             = _objectDp.f;
-	var gOPN           = _objectGopnExt.f;
-	var $Symbol        = _global.Symbol;
-	var $JSON          = _global.JSON;
-	var _stringify     = $JSON && $JSON.stringify;
-	var PROTOTYPE$2      = 'prototype';
-	var HIDDEN         = _wks('_hidden');
-	var TO_PRIMITIVE   = _wks('toPrimitive');
-	var isEnum         = {}.propertyIsEnumerable;
-	var SymbolRegistry = _shared('symbol-registry');
-	var AllSymbols     = _shared('symbols');
-	var OPSymbols      = _shared('op-symbols');
-	var ObjectProto$1    = Object[PROTOTYPE$2];
-	var USE_NATIVE     = typeof $Symbol == 'function';
-	var QObject        = _global.QObject;
-	// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173
-	var setter = !QObject || !QObject[PROTOTYPE$2] || !QObject[PROTOTYPE$2].findChild;
-
-	// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687
-	var setSymbolDesc = _descriptors && _fails(function(){
-	  return _objectCreate(dP$1({}, 'a', {
-	    get: function(){ return dP$1(this, 'a', {value: 7}).a; }
-	  })).a != 7;
-	}) ? function(it, key, D){
-	  var protoDesc = gOPD(ObjectProto$1, key);
-	  if(protoDesc)delete ObjectProto$1[key];
-	  dP$1(it, key, D);
-	  if(protoDesc && it !== ObjectProto$1)dP$1(ObjectProto$1, key, protoDesc);
-	} : dP$1;
-
-	var wrap = function(tag){
-	  var sym = AllSymbols[tag] = _objectCreate($Symbol[PROTOTYPE$2]);
-	  sym._k = tag;
-	  return sym;
-	};
-
-	var isSymbol = USE_NATIVE && typeof $Symbol.iterator == 'symbol' ? function(it){
-	  return typeof it == 'symbol';
-	} : function(it){
-	  return it instanceof $Symbol;
-	};
-
-	var $defineProperty = function defineProperty(it, key, D){
-	  if(it === ObjectProto$1)$defineProperty(OPSymbols, key, D);
-	  _anObject(it);
-	  key = _toPrimitive(key, true);
-	  _anObject(D);
-	  if(_has(AllSymbols, key)){
-	    if(!D.enumerable){
-	      if(!_has(it, HIDDEN))dP$1(it, HIDDEN, _propertyDesc(1, {}));
-	      it[HIDDEN][key] = true;
-	    } else {
-	      if(_has(it, HIDDEN) && it[HIDDEN][key])it[HIDDEN][key] = false;
-	      D = _objectCreate(D, {enumerable: _propertyDesc(0, false)});
-	    } return setSymbolDesc(it, key, D);
-	  } return dP$1(it, key, D);
-	};
-	var $defineProperties = function defineProperties(it, P){
-	  _anObject(it);
-	  var keys = _enumKeys(P = _toIobject(P))
-	    , i    = 0
-	    , l = keys.length
-	    , key;
-	  while(l > i)$defineProperty(it, key = keys[i++], P[key]);
-	  return it;
-	};
-	var $create = function create(it, P){
-	  return P === undefined ? _objectCreate(it) : $defineProperties(_objectCreate(it), P);
-	};
-	var $propertyIsEnumerable = function propertyIsEnumerable(key){
-	  var E = isEnum.call(this, key = _toPrimitive(key, true));
-	  if(this === ObjectProto$1 && _has(AllSymbols, key) && !_has(OPSymbols, key))return false;
-	  return E || !_has(this, key) || !_has(AllSymbols, key) || _has(this, HIDDEN) && this[HIDDEN][key] ? E : true;
-	};
-	var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key){
-	  it  = _toIobject(it);
-	  key = _toPrimitive(key, true);
-	  if(it === ObjectProto$1 && _has(AllSymbols, key) && !_has(OPSymbols, key))return;
-	  var D = gOPD(it, key);
-	  if(D && _has(AllSymbols, key) && !(_has(it, HIDDEN) && it[HIDDEN][key]))D.enumerable = true;
-	  return D;
-	};
-	var $getOwnPropertyNames = function getOwnPropertyNames(it){
-	  var names  = gOPN(_toIobject(it))
-	    , result = []
-	    , i      = 0
-	    , key;
-	  while(names.length > i){
-	    if(!_has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META)result.push(key);
-	  } return result;
-	};
-	var $getOwnPropertySymbols = function getOwnPropertySymbols(it){
-	  var IS_OP  = it === ObjectProto$1
-	    , names  = gOPN(IS_OP ? OPSymbols : _toIobject(it))
-	    , result = []
-	    , i      = 0
-	    , key;
-	  while(names.length > i){
-	    if(_has(AllSymbols, key = names[i++]) && (IS_OP ? _has(ObjectProto$1, key) : true))result.push(AllSymbols[key]);
-	  } return result;
-	};
-
-	// 19.4.1.1 Symbol([description])
-	if(!USE_NATIVE){
-	  $Symbol = function Symbol(){
-	    if(this instanceof $Symbol)throw TypeError('Symbol is not a constructor!');
-	    var tag = _uid(arguments.length > 0 ? arguments[0] : undefined);
-	    var $set = function(value){
-	      if(this === ObjectProto$1)$set.call(OPSymbols, value);
-	      if(_has(this, HIDDEN) && _has(this[HIDDEN], tag))this[HIDDEN][tag] = false;
-	      setSymbolDesc(this, tag, _propertyDesc(1, value));
-	    };
-	    if(_descriptors && setter)setSymbolDesc(ObjectProto$1, tag, {configurable: true, set: $set});
-	    return wrap(tag);
-	  };
-	  _redefine($Symbol[PROTOTYPE$2], 'toString', function toString(){
-	    return this._k;
-	  });
-
-	  _objectGopd.f = $getOwnPropertyDescriptor;
-	  _objectDp.f   = $defineProperty;
-	  _objectGopn.f = _objectGopnExt.f = $getOwnPropertyNames;
-	  _objectPie.f  = $propertyIsEnumerable;
-	  _objectGops.f = $getOwnPropertySymbols;
-
-	  if(_descriptors && !_library){
-	    _redefine(ObjectProto$1, 'propertyIsEnumerable', $propertyIsEnumerable, true);
-	  }
-
-	  _wksExt.f = function(name){
-	    return wrap(_wks(name));
-	  };
-	}
-
-	_export(_export.G + _export.W + _export.F * !USE_NATIVE, {Symbol: $Symbol});
-
-	for(var symbols = (
-	  // 19.4.2.2, 19.4.2.3, 19.4.2.4, 19.4.2.6, 19.4.2.8, 19.4.2.9, 19.4.2.10, 19.4.2.11, 19.4.2.12, 19.4.2.13, 19.4.2.14
-	  'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'
-	).split(','), i$1 = 0; symbols.length > i$1; )_wks(symbols[i$1++]);
-
-	for(var symbols = _objectKeys(_wks.store), i$1 = 0; symbols.length > i$1; )_wksDefine(symbols[i$1++]);
-
-	_export(_export.S + _export.F * !USE_NATIVE, 'Symbol', {
-	  // 19.4.2.1 Symbol.for(key)
-	  'for': function(key){
-	    return _has(SymbolRegistry, key += '')
-	      ? SymbolRegistry[key]
-	      : SymbolRegistry[key] = $Symbol(key);
-	  },
-	  // 19.4.2.5 Symbol.keyFor(sym)
-	  keyFor: function keyFor(key){
-	    if(isSymbol(key))return _keyof(SymbolRegistry, key);
-	    throw TypeError(key + ' is not a symbol!');
-	  },
-	  useSetter: function(){ setter = true; },
-	  useSimple: function(){ setter = false; }
-	});
-
-	_export(_export.S + _export.F * !USE_NATIVE, 'Object', {
-	  // 19.1.2.2 Object.create(O [, Properties])
-	  create: $create,
-	  // 19.1.2.4 Object.defineProperty(O, P, Attributes)
-	  defineProperty: $defineProperty,
-	  // 19.1.2.3 Object.defineProperties(O, Properties)
-	  defineProperties: $defineProperties,
-	  // 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)
-	  getOwnPropertyDescriptor: $getOwnPropertyDescriptor,
-	  // 19.1.2.7 Object.getOwnPropertyNames(O)
-	  getOwnPropertyNames: $getOwnPropertyNames,
-	  // 19.1.2.8 Object.getOwnPropertySymbols(O)
-	  getOwnPropertySymbols: $getOwnPropertySymbols
-	});
-
-	// 24.3.2 JSON.stringify(value [, replacer [, space]])
-	$JSON && _export(_export.S + _export.F * (!USE_NATIVE || _fails(function(){
-	  var S = $Symbol();
-	  // MS Edge converts symbol values to JSON as {}
-	  // WebKit converts symbol values to JSON as null
-	  // V8 throws on boxed symbols
-	  return _stringify([S]) != '[null]' || _stringify({a: S}) != '{}' || _stringify(Object(S)) != '{}';
-	})), 'JSON', {
-	  stringify: function stringify(it){
-	    if(it === undefined || isSymbol(it))return; // IE8 returns string on undefined
-	    var args = [it]
-	      , i    = 1
-	      , replacer, $replacer;
-	    while(arguments.length > i)args.push(arguments[i++]);
-	    replacer = args[1];
-	    if(typeof replacer == 'function')$replacer = replacer;
-	    if($replacer || !_isArray(replacer))replacer = function(key, value){
-	      if($replacer)value = $replacer.call(this, key, value);
-	      if(!isSymbol(value))return value;
-	    };
-	    args[1] = replacer;
-	    return _stringify.apply($JSON, args);
-	  }
-	});
-
-	// 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)
-	$Symbol[PROTOTYPE$2][TO_PRIMITIVE] || _hide($Symbol[PROTOTYPE$2], TO_PRIMITIVE, $Symbol[PROTOTYPE$2].valueOf);
-	// 19.4.3.5 Symbol.prototype[@@toStringTag]
-	_setToStringTag($Symbol, 'Symbol');
-	// 20.2.1.9 Math[@@toStringTag]
-	_setToStringTag(Math, 'Math', true);
-	// 24.3.3 JSON[@@toStringTag]
-	_setToStringTag(_global.JSON, 'JSON', true);
-
-	_wksDefine('asyncIterator');
-
-	_wksDefine('observable');
-
-	var index = _core.Symbol;
-
-	var symbol = createCommonjsModule(function (module) {
-	module.exports = { "default": index, __esModule: true };
-	});
-
-	var _typeof_1 = createCommonjsModule(function (module, exports) {
-	"use strict";
-
-	exports.__esModule = true;
-
-
-
-	var _iterator2 = _interopRequireDefault(iterator);
-
-
-
-	var _symbol2 = _interopRequireDefault(symbol);
-
-	var _typeof = typeof _symbol2.default === "function" && typeof _iterator2.default === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof _symbol2.default === "function" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? "symbol" : typeof obj; };
-
-	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
-	exports.default = typeof _symbol2.default === "function" && _typeof(_iterator2.default) === "symbol" ? function (obj) {
-	  return typeof obj === "undefined" ? "undefined" : _typeof(obj);
-	} : function (obj) {
-	  return obj && typeof _symbol2.default === "function" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? "symbol" : typeof obj === "undefined" ? "undefined" : _typeof(obj);
-	};
-	});
-
-	var possibleConstructorReturn = createCommonjsModule(function (module, exports) {
-	"use strict";
-
-	exports.__esModule = true;
-
-
-
-	var _typeof3 = _interopRequireDefault(_typeof_1);
-
-	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
-	exports.default = function (self, call) {
-	  if (!self) {
-	    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
-	  }
-
-	  return call && ((typeof call === "undefined" ? "undefined" : (0, _typeof3.default)(call)) === "object" || typeof call === "function") ? call : self;
-	};
-	});
-
-	var _possibleConstructorReturn = unwrapExports(possibleConstructorReturn);
-
-	// Works with __proto__ only. Old v8 can't work with null proto objects.
-	/* eslint-disable no-proto */
-
-	var check = function(O, proto){
-	  _anObject(O);
-	  if(!_isObject(proto) && proto !== null)throw TypeError(proto + ": can't set as prototype!");
-	};
-	var _setProto = {
-	  set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line
-	    function(test, buggy, set){
-	      try {
-	        set = _ctx(Function.call, _objectGopd.f(Object.prototype, '__proto__').set, 2);
-	        set(test, []);
-	        buggy = !(test instanceof Array);
-	      } catch(e){ buggy = true; }
-	      return function setPrototypeOf(O, proto){
-	        check(O, proto);
-	        if(buggy)O.__proto__ = proto;
-	        else set(O, proto);
-	        return O;
-	      };
-	    }({}, false) : undefined),
-	  check: check
-	};
-
-	// 19.1.3.19 Object.setPrototypeOf(O, proto)
-
-	_export(_export.S, 'Object', {setPrototypeOf: _setProto.set});
-
-	var setPrototypeOf$2 = _core.Object.setPrototypeOf;
-
-	var setPrototypeOf = createCommonjsModule(function (module) {
-	module.exports = { "default": setPrototypeOf$2, __esModule: true };
-	});
-
-	// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
-	_export(_export.S, 'Object', {create: _objectCreate});
-
-	var $Object$1 = _core.Object;
-	var create$2 = function create(P, D){
-	  return $Object$1.create(P, D);
-	};
-
-	var create = createCommonjsModule(function (module) {
-	module.exports = { "default": create$2, __esModule: true };
-	});
-
-	var inherits = createCommonjsModule(function (module, exports) {
-	"use strict";
-
-	exports.__esModule = true;
-
-
-
-	var _setPrototypeOf2 = _interopRequireDefault(setPrototypeOf);
-
-
-
-	var _create2 = _interopRequireDefault(create);
-
-
-
-	var _typeof3 = _interopRequireDefault(_typeof_1);
-
-	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
-	exports.default = function (subClass, superClass) {
-	  if (typeof superClass !== "function" && superClass !== null) {
-	    throw new TypeError("Super expression must either be null or a function, not " + (typeof superClass === "undefined" ? "undefined" : (0, _typeof3.default)(superClass)));
-	  }
-
-	  subClass.prototype = (0, _create2.default)(superClass && superClass.prototype, {
-	    constructor: {
-	      value: subClass,
-	      enumerable: false,
-	      writable: true,
-	      configurable: true
-	    }
-	  });
-	  if (superClass) _setPrototypeOf2.default ? (0, _setPrototypeOf2.default)(subClass, superClass) : subClass.__proto__ = superClass;
-	};
-	});
-
-	var _inherits = unwrapExports(inherits);
-
-	/*
-	 * QRious
-	 * Copyright (C) 2017 Alasdair Mercer
-	 * Copyright (C) 2010 Tom Zerucha
-	 *
-	 * This program is free software: you can redistribute it and/or modify
-	 * it under the terms of the GNU General Public License as published by
-	 * the Free Software Foundation, either version 3 of the License, or
-	 * (at your option) any later version.
-	 *
-	 * This program is distributed in the hope that it will be useful,
-	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	 * GNU General Public License for more details.
-	 *
-	 * You should have received a copy of the GNU General Public License
-	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-	 */
-
-	/**
-	 * Contains utility methods that are useful throughout the library.
-	 *
-	 * @public
-	 */
-	var Utilities = function () {
-	  function Utilities() {
-	    _classCallCheck(this, Utilities);
-	  }
-
-	  _createClass(Utilities, null, [{
-	    key: "abs",
-
-
-	    /**
-	     * Returns the absolute value of a given number.
-	     *
-	     * This method is simply a convenient shorthand for <code>Math.abs</code> while ensuring that nulls are returned as
-	     * <code>null</code> instead of zero.
-	     *
-	     * @param {number} value - the number whose absolute value is to be returned
-	     * @return {number} The absolute value of <code>value</code> or <code>null</code> if <code>value</code> is
-	     * <code>null</code>.
-	     * @public
-	     * @static
-	     */
-	    value: function abs(value) {
-	      return value != null ? Math.abs(value) : null;
-	    }
-
-	    /**
-	     * Returns whether the specified <code>object</code> has a property with the specified <code>name</code> as an own
-	     * (not inherited) property.
-	     *
-	     * @param {Object} object - the object on which the property is to be checked
-	     * @param {string} name - the name of the property to be checked
-	     * @return {boolean} <code>true</code> if <code>object</code> has an own property with <code>name</code>.
-	     * @public
-	     * @static
-	     */
-
-	  }, {
-	    key: "hasOwn",
-	    value: function hasOwn(object, name) {
-	      return Object.prototype.hasOwnProperty.call(object, name);
-	    }
-
-	    /**
-	     * Throws an error indicating that the a given method on a specific class has not been implemented.
-	     *
-	     * @param {string} className - the name of the class on which the method has not been implemented
-	     * @param {string} methodName - the name of the method which has not been implemented
-	     * @return {void}
-	     * @throws {Error} The error describing the class method which has not been implemented.
-	     * @public
-	     * @static
-	     */
-
-	  }, {
-	    key: "throwUnimplemented",
-	    value: function throwUnimplemented(className, methodName) {
-	      throw new Error("\"" + methodName + "\" method must be implemented on the " + className + " class");
-	    }
-
-	    /**
-	     * Transforms the specified <code>string</code> to upper case while remaining null-safe.
-	     *
-	     * @param {string} string - the string to be transformed to upper case
-	     * @return {string} <code>string</code> transformed to upper case if <code>string</code> is not <code>null</code>.
-	     * @public
-	     * @static
-	     */
-
-	  }, {
-	    key: "toUpperCase",
-	    value: function toUpperCase(string) {
-	      return string != null ? string.toUpperCase() : null;
-	    }
-	  }]);
-
-	  return Utilities;
-	}();
-
-	/*
-	 * QRious
-	 * Copyright (C) 2017 Alasdair Mercer
-	 * Copyright (C) 2010 Tom Zerucha
-	 *
-	 * This program is free software: you can redistribute it and/or modify
-	 * it under the terms of the GNU General Public License as published by
-	 * the Free Software Foundation, either version 3 of the License, or
-	 * (at your option) any later version.
-	 *
-	 * This program is distributed in the hope that it will be useful,
-	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	 * GNU General Public License for more details.
-	 *
-	 * You should have received a copy of the GNU General Public License
-	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-	 */
-
-	/**
-	 * Defines a service contract that must be met by all implementations.
-	 *
-	 * @public
-	 */
-
-	var Service = function () {
-	  function Service() {
-	    _classCallCheck(this, Service);
-	  }
-
-	  _createClass(Service, [{
-	    key: 'getName',
-
-
-	    /**
-	     * Returns the name of this {@link Service}.
-	     *
-	     * @return {string} The service name.
-	     * @public
-	     */
-	    value: function getName() {
-	      Utilities.throwUnimplemented('Service', 'getName');
-	    }
-	  }]);
-
-	  return Service;
-	}();
-
-	/*
-	 * QRious
-	 * Copyright (C) 2017 Alasdair Mercer
-	 * Copyright (C) 2010 Tom Zerucha
-	 *
-	 * This program is free software: you can redistribute it and/or modify
-	 * it under the terms of the GNU General Public License as published by
-	 * the Free Software Foundation, either version 3 of the License, or
-	 * (at your option) any later version.
-	 *
-	 * This program is distributed in the hope that it will be useful,
-	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	 * GNU General Public License for more details.
-	 *
-	 * You should have received a copy of the GNU General Public License
-	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-	 */
-
-	/**
-	 * A service for working with elements.
-	 *
-	 * @public
-	 * @extends Service
-	 */
-
-	var ElementService = function (_Service) {
-	  _inherits(ElementService, _Service);
-
-	  function ElementService() {
-	    _classCallCheck(this, ElementService);
-
-	    return _possibleConstructorReturn(this, (ElementService.__proto__ || _Object$getPrototypeOf(ElementService)).apply(this, arguments));
-	  }
-
-	  _createClass(ElementService, [{
-	    key: 'createCanvas',
-
-
-	    /**
-	     * Creates an instance of a canvas element.
-	     *
-	     * @return {*} The newly created canvas element.
-	     * @public
-	     */
-	    value: function createCanvas() {
-	      Utilities.throwUnimplemented('ElementService', 'createCanvas');
-	    }
-
-	    /**
-	     * Creates an instance of a image element.
-	     *
-	     * @return {*} The newly created image element.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'createImage',
-	    value: function createImage() {
-	      Utilities.throwUnimplemented('ElementService', 'createImage');
-	    }
-
-	    /**
-	     * @override
-	     */
-
-	  }, {
-	    key: 'getName',
-	    value: function getName() {
-	      return 'element';
-	    }
-
-	    /**
-	     * Returns whether the specified <code>element</code> is a canvas.
-	     *
-	     * @param {*} element - the element to be checked
-	     * @return {boolean} <code>true</code> if <code>element</code> is a canvas; otherwise <code>false</code>.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'isCanvas',
-	    value: function isCanvas(element) {
-	      Utilities.throwUnimplemented('ElementService', 'isCanvas');
-	    }
-
-	    /**
-	     * Returns whether the specified <code>element</code> is an image.
-	     *
-	     * @param {*} element - the element to be checked
-	     * @return {boolean} <code>true</code> if <code>element</code> is an image; otherwise <code>false</code>.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'isImage',
-	    value: function isImage(element) {
-	      Utilities.throwUnimplemented('ElementService', 'isImage');
-	    }
-	  }]);
-
-	  return ElementService;
-	}(Service);
-
-	/*
-	 * QRious
-	 * Copyright (C) 2017 Alasdair Mercer
-	 * Copyright (C) 2010 Tom Zerucha
-	 *
-	 * This program is free software: you can redistribute it and/or modify
-	 * it under the terms of the GNU General Public License as published by
-	 * the Free Software Foundation, either version 3 of the License, or
-	 * (at your option) any later version.
-	 *
-	 * This program is distributed in the hope that it will be useful,
-	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	 * GNU General Public License for more details.
-	 *
-	 * You should have received a copy of the GNU General Public License
-	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-	 */
-
-	/**
-	 * An implementation of {@link ElementService} intended for use within a browser environment.
-	 *
-	 * @public
-	 * @extends ElementService
-	 */
-
-	var BrowserElementService = function (_ElementService) {
-	  _inherits(BrowserElementService, _ElementService);
-
-	  function BrowserElementService() {
-	    _classCallCheck(this, BrowserElementService);
-
-	    return _possibleConstructorReturn(this, (BrowserElementService.__proto__ || _Object$getPrototypeOf(BrowserElementService)).apply(this, arguments));
-	  }
-
-	  _createClass(BrowserElementService, [{
-	    key: 'createCanvas',
-
-
-	    /**
-	     * @override
-	     */
-	    value: function createCanvas() {
-	      return document.createElement('canvas');
-	    }
-
-	    /**
-	     * @override
-	     */
-
-	  }, {
-	    key: 'createImage',
-	    value: function createImage() {
-	      return document.createElement('img');
-	    }
-
-	    /**
-	     * @override
-	     */
-
-	  }, {
-	    key: 'isCanvas',
-	    value: function isCanvas(element) {
-	      return element instanceof HTMLCanvasElement;
-	    }
-
-	    /**
-	     * @override
-	     */
-
-	  }, {
-	    key: 'isImage',
-	    value: function isImage(element) {
-	      return element instanceof HTMLImageElement;
-	    }
-	  }]);
-
-	  return BrowserElementService;
-	}(ElementService);
-
-	/*
-	 * QRious
-	 * Copyright (C) 2017 Alasdair Mercer
-	 * Copyright (C) 2010 Tom Zerucha
-	 *
-	 * This program is free software: you can redistribute it and/or modify
-	 * it under the terms of the GNU General Public License as published by
-	 * the Free Software Foundation, either version 3 of the License, or
-	 * (at your option) any later version.
-	 *
-	 * This program is distributed in the hope that it will be useful,
-	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	 * GNU General Public License for more details.
-	 *
-	 * You should have received a copy of the GNU General Public License
-	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-	 */
-
-	/**
-	 * Responsible for rendering a QR code {@link Frame} on a specific type of element.
-	 *
-	 * A renderer may be dependant on the rendering of another element, so the ordering of their execution is important.
-	 *
-	 * The rendering of a element can be deferred by disabling the renderer initially, however, any attempt get the element
-	 * from the renderer will result in it being immediately enabled and the element being rendered.
-	 *
-	 * @public
-	 */
-
-	var Renderer = function () {
-
-	  /**
-	   * Creates a new instance of {@link Renderer} for the <code>qrious</code> instance and <code>element</code> provided.
-	   *
-	   * @param {QRious} qrious - the {@link QRious} instance to be used
-	   * @param {*} element - the element onto which the QR code is to be rendered
-	   * @param {boolean} [enabled] - <code>true</code> this {@link Renderer} is enabled; otherwise <code>false</code>.
-	   * @public
-	   */
-	  function Renderer(qrious, element, enabled) {
-	    _classCallCheck(this, Renderer);
-
-	    /**
-	     * The {@link QRious} instance.
-	     *
-	     * @protected
-	     * @type {QRious}
-	     */
-	    this.qrious = qrious;
-
-	    /**
-	     * The element onto which this {@link Renderer} is rendering the QR code.
-	     *
-	     * @protected
-	     * @type {*}
-	     */
-	    this.element = element;
-	    this.element.qrious = qrious;
-
-	    /**
-	     * Whether this {@link Renderer} is enabled.
-	     *
-	     * @protected
-	     * @type {boolean}
-	     */
-	    this.enabled = Boolean(enabled);
-	  }
-
-	  /**
-	   * Draws the specified QR code <code>frame</code> on the underlying element.
-	   *
-	   * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.
-	   *
-	   * @param {Frame} frame - the {@link Frame} to be drawn
-	   * @return {void}
-	   * @protected
-	   */
-
-
-	  _createClass(Renderer, [{
-	    key: 'draw',
-	    value: function draw(frame) {
-	      Utilities.throwUnimplemented('Renderer', 'draw');
-	    }
-
-	    /**
-	     * Returns the element onto which this {@link Renderer} is rendering the QR code.
-	     *
-	     * If this method is called while this {@link Renderer} is disabled, it will be immediately enabled and rendered
-	     * before the element is returned.
-	     *
-	     * @return {*} The element.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'getElement',
-	    value: function getElement() {
-	      if (!this.enabled) {
-	        this.enabled = true;
-	        this.render();
-	      }
-
-	      return this.element;
-	    }
-
-	    /**
-	     * Calculates the size (in pixel units) to represent an individual module within the QR code based on the
-	     * <code>frame</code> provided.
-	     *
-	     * Any configured padding will be excluded from the returned size.
-	     *
-	     * The returned value will be at least one, even in cases where the size of the QR code does not fit its contents.
-	     * This is done so that the inevitable clipping is handled more gracefully since this way at least something is
-	     * displayed instead of just a blank space filled by the background color.
-	     *
-	     * @param {Frame} frame - the {@link Frame} from which the module size is to be derived
-	     * @return {number} The pixel size for each module in the QR code which will be no less than one.
-	     * @protected
-	     */
-
-	  }, {
-	    key: 'getModuleSize',
-	    value: function getModuleSize(frame) {
-	      var qrious = this.qrious;
-	      var padding = qrious.padding || 0;
-	      var pixels = Math.floor((qrious.size - padding * 2) / frame.width);
-
-	      return Math.max(1, pixels);
-	    }
-
-	    /**
-	     * Calculates the offset/padding (in pixel units) to be inserted before the QR code based on the <code>frame</code>
-	     * provided.
-	     *
-	     * The returned value will be zero if there is no available offset or if the size of the QR code does not fit its
-	     * contents. It will never be a negative value. This is done so that the inevitable clipping appears more naturally
-	     * and it is not clipped from all directions.
-	     *
-	     * @param {Frame} frame - the {@link Frame} from which the offset is to be derived
-	     * @return {number} The pixel offset for the QR code which will be no less than zero.
-	     * @protected
-	     */
-
-	  }, {
-	    key: 'getOffset',
-	    value: function getOffset(frame) {
-	      var qrious = this.qrious;
-	      var padding = qrious.padding;
-
-	      if (padding != null) {
-	        return padding;
-	      }
-
-	      var moduleSize = this.getModuleSize(frame);
-	      var offset = Math.floor((qrious.size - moduleSize * frame.width) / 2);
-
-	      return Math.max(0, offset);
-	    }
-
-	    /**
-	     * Renders a QR code on the underlying element based on the <code>frame</code> provided.
-	     *
-	     * @param {Frame} frame - the {@link Frame} to be rendered
-	     * @return {void}
-	     * @public
-	     */
-
-	  }, {
-	    key: 'render',
-	    value: function render(frame) {
-	      if (this.enabled) {
-	        this.resize();
-	        this.reset();
-	        this.draw(frame);
-	      }
-	    }
-
-	    /**
-	     * Resets the underlying element, effectively clearing any previously rendered QR code.
-	     *
-	     * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.
-	     *
-	     * @return {void}
-	     * @protected
-	     */
-
-	  }, {
-	    key: 'reset',
-	    value: function reset() {
-	      Utilities.throwUnimplemented('Renderer', 'reset');
-	    }
-
-	    /**
-	     * Ensures that the size of the underlying element matches that defined on the associated {@link QRious} instance.
-	     *
-	     * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.
-	     *
-	     * @return {void}
-	     * @protected
-	     */
-
-	  }, {
-	    key: 'resize',
-	    value: function resize() {
-	      Utilities.throwUnimplemented('Renderer', 'resize');
-	    }
-	  }]);
-
-	  return Renderer;
-	}();
-
-	/*
-	 * QRious
-	 * Copyright (C) 2017 Alasdair Mercer
-	 * Copyright (C) 2010 Tom Zerucha
-	 *
-	 * This program is free software: you can redistribute it and/or modify
-	 * it under the terms of the GNU General Public License as published by
-	 * the Free Software Foundation, either version 3 of the License, or
-	 * (at your option) any later version.
-	 *
-	 * This program is distributed in the hope that it will be useful,
-	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	 * GNU General Public License for more details.
-	 *
-	 * You should have received a copy of the GNU General Public License
-	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-	 */
-
-	/**
-	 * An implementation of {@link Renderer} for working with <code>canvas</code> elements.
-	 *
-	 * @public
-	 * @extends Renderer
-	 */
-
-	var CanvasRenderer = function (_Renderer) {
-	  _inherits(CanvasRenderer, _Renderer);
-
-	  function CanvasRenderer() {
-	    _classCallCheck(this, CanvasRenderer);
-
-	    return _possibleConstructorReturn(this, (CanvasRenderer.__proto__ || _Object$getPrototypeOf(CanvasRenderer)).apply(this, arguments));
-	  }
-
-	  _createClass(CanvasRenderer, [{
-	    key: 'draw',
-
-
-	    /**
-	     * @override
-	     */
-	    value: function draw(frame) {
-	      var qrious = this.qrious;
-	      var moduleSize = this.getModuleSize(frame);
-	      var offset = this.getOffset(frame);
-	      var context = this.element.getContext('2d');
-
-	      context.fillStyle = qrious.foreground;
-	      context.globalAlpha = qrious.foregroundAlpha;
-
-	      for (var i = 0; i < frame.width; i++) {
-	        for (var j = 0; j < frame.width; j++) {
-	          if (frame.buffer[j * frame.width + i]) {
-	            context.fillRect(moduleSize * i + offset, moduleSize * j + offset, moduleSize, moduleSize);
-	          }
-	        }
-	      }
-	    }
-
-	    /**
-	     * @override
-	     */
-
-	  }, {
-	    key: 'reset',
-	    value: function reset() {
-	      var qrious = this.qrious;
-	      var context = this.element.getContext('2d');
-	      var size = qrious.size;
-
-	      context.lineWidth = 1;
-	      context.clearRect(0, 0, size, size);
-	      context.fillStyle = qrious.background;
-	      context.globalAlpha = qrious.backgroundAlpha;
-	      context.fillRect(0, 0, size, size);
-	    }
-
-	    /**
-	     * @override
-	     */
-
-	  }, {
-	    key: 'resize',
-	    value: function resize() {
-	      this.element.width = this.element.height = this.qrious.size;
-	    }
-	  }]);
-
-	  return CanvasRenderer;
-	}(Renderer);
-
-	/*
-	 * QRious
-	 * Copyright (C) 2017 Alasdair Mercer
-	 * Copyright (C) 2010 Tom Zerucha
-	 *
-	 * This program is free software: you can redistribute it and/or modify
-	 * it under the terms of the GNU General Public License as published by
-	 * the Free Software Foundation, either version 3 of the License, or
-	 * (at your option) any later version.
-	 *
-	 * This program is distributed in the hope that it will be useful,
-	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	 * GNU General Public License for more details.
-	 *
-	 * You should have received a copy of the GNU General Public License
-	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-	 */
-
-	/* eslint no-multi-spaces: "off" */
-
-	/**
-	 * Contains alignment pattern information.
-	 *
-	 * @public
-	 */
-	var Alignment = function () {
-	  function Alignment() {
-	    _classCallCheck(this, Alignment);
-	  }
-
-	  _createClass(Alignment, null, [{
-	    key: "BLOCK",
-
-
-	    /**
-	     * Returns the alignment pattern block.
-	     *
-	     * @return {number[]} The alignment pattern block.
-	     * @public
-	     * @static
-	     */
-	    get: function get() {
-	      return [0, 11, 15, 19, 23, 27, 31, 16, 18, 20, 22, 24, 26, 28, 20, 22, 24, 24, 26, 28, 28, 22, 24, 24, 26, 26, 28, 28, 24, 24, 26, 26, 26, 28, 28, 24, 26, 26, 26, 28, 28];
-	    }
-	  }]);
-
-	  return Alignment;
-	}();
-
-	/*
-	 * QRious
-	 * Copyright (C) 2017 Alasdair Mercer
-	 * Copyright (C) 2010 Tom Zerucha
-	 *
-	 * This program is free software: you can redistribute it and/or modify
-	 * it under the terms of the GNU General Public License as published by
-	 * the Free Software Foundation, either version 3 of the License, or
-	 * (at your option) any later version.
-	 *
-	 * This program is distributed in the hope that it will be useful,
-	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	 * GNU General Public License for more details.
-	 *
-	 * You should have received a copy of the GNU General Public License
-	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-	 */
-
-	/* eslint no-multi-spaces: "off" */
-
-	/**
-	 * Contains error correction information.
-	 *
-	 * @public
-	 */
-	var ErrorCorrection = function () {
-	  function ErrorCorrection() {
-	    _classCallCheck(this, ErrorCorrection);
-	  }
-
-	  _createClass(ErrorCorrection, null, [{
-	    key: "BLOCKS",
-
-
-	    /**
-	     * Returns the error correction blocks.
-	     *
-	     * There are four elements per version. The first two indicate the number of blocks, then the data width, and finally
-	     * the ECC width.
-	     *
-	     * @return {number[]} The ECC blocks.
-	     * @public
-	     * @static
-	     */
-	    get: function get() {
-	      return [1, 0, 19, 7, 1, 0, 16, 10, 1, 0, 13, 13, 1, 0, 9, 17, 1, 0, 34, 10, 1, 0, 28, 16, 1, 0, 22, 22, 1, 0, 16, 28, 1, 0, 55, 15, 1, 0, 44, 26, 2, 0, 17, 18, 2, 0, 13, 22, 1, 0, 80, 20, 2, 0, 32, 18, 2, 0, 24, 26, 4, 0, 9, 16, 1, 0, 108, 26, 2, 0, 43, 24, 2, 2, 15, 18, 2, 2, 11, 22, 2, 0, 68, 18, 4, 0, 27, 16, 4, 0, 19, 24, 4, 0, 15, 28, 2, 0, 78, 20, 4, 0, 31, 18, 2, 4, 14, 18, 4, 1, 13, 26, 2, 0, 97, 24, 2, 2, 38, 22, 4, 2, 18, 22, 4, 2, 14, 26, 2, 0, 116, 30, 3, 2, 36, 22, 4, 4, 16, 20, 4, 4, 12, 24, 2, 2, 68, 18, 4, 1, 43, 26, 6, 2, 19, 24, 6, 2, 15, 28, 4, 0, 81, 20, 1, 4, 50, 30, 4, 4, 22, 28, 3, 8, 12, 24, 2, 2, 92, 24, 6, 2, 36, 22, 4, 6, 20, 26, 7, 4, 14, 28, 4, 0, 107, 26, 8, 1, 37, 22, 8, 4, 20, 24, 12, 4, 11, 22, 3, 1, 115, 30, 4, 5, 40, 24, 11, 5, 16, 20, 11, 5, 12, 24, 5, 1, 87, 22, 5, 5, 41, 24, 5, 7, 24, 30, 11, 7, 12, 24, 5, 1, 98, 24, 7, 3, 45, 28, 15, 2, 19, 24, 3, 13, 15, 30, 1, 5, 107, 28, 10, 1, 46, 28, 1, 15, 22, 28, 2, 17, 14, 28, 5, 1, 120, 30, 9, 4, 43, 26, 17, 1, 22, 28, 2, 19, 14, 28, 3, 4, 113, 28, 3, 11, 44, 26, 17, 4, 21, 26, 9, 16, 13, 26, 3, 5, 107, 28, 3, 13, 41, 26, 15, 5, 24, 30, 15, 10, 15, 28, 4, 4, 116, 28, 17, 0, 42, 26, 17, 6, 22, 28, 19, 6, 16, 30, 2, 7, 111, 28, 17, 0, 46, 28, 7, 16, 24, 30, 34, 0, 13, 24, 4, 5, 121, 30, 4, 14, 47, 28, 11, 14, 24, 30, 16, 14, 15, 30, 6, 4, 117, 30, 6, 14, 45, 28, 11, 16, 24, 30, 30, 2, 16, 30, 8, 4, 106, 26, 8, 13, 47, 28, 7, 22, 24, 30, 22, 13, 15, 30, 10, 2, 114, 28, 19, 4, 46, 28, 28, 6, 22, 28, 33, 4, 16, 30, 8, 4, 122, 30, 22, 3, 45, 28, 8, 26, 23, 30, 12, 28, 15, 30, 3, 10, 117, 30, 3, 23, 45, 28, 4, 31, 24, 30, 11, 31, 15, 30, 7, 7, 116, 30, 21, 7, 45, 28, 1, 37, 23, 30, 19, 26, 15, 30, 5, 10, 115, 30, 19, 10, 47, 28, 15, 25, 24, 30, 23, 25, 15, 30, 13, 3, 115, 30, 2, 29, 46, 28, 42, 1, 24, 30, 23, 28, 15, 30, 17, 0, 115, 30, 10, 23, 46, 28, 10, 35, 24, 30, 19, 35, 15, 30, 17, 1, 115, 30, 14, 21, 46, 28, 29, 19, 24, 30, 11, 46, 15, 30, 13, 6, 115, 30, 14, 23, 46, 28, 44, 7, 24, 30, 59, 1, 16, 30, 12, 7, 121, 30, 12, 26, 47, 28, 39, 14, 24, 30, 22, 41, 15, 30, 6, 14, 121, 30, 6, 34, 47, 28, 46, 10, 24, 30, 2, 64, 15, 30, 17, 4, 122, 30, 29, 14, 46, 28, 49, 10, 24, 30, 24, 46, 15, 30, 4, 18, 122, 30, 13, 32, 46, 28, 48, 14, 24, 30, 42, 32, 15, 30, 20, 4, 117, 30, 40, 7, 47, 28, 43, 22, 24, 30, 10, 67, 15, 30, 19, 6, 118, 30, 18, 31, 47, 28, 34, 34, 24, 30, 20, 61, 15, 30];
-	    }
-
-	    /**
-	     * Returns the final format bits with mask (level << 3 | mask).
-	     *
-	     * @return {number[]} The final format bits.
-	     * @public
-	     * @static
-	     */
-
-	  }, {
-	    key: "FINAL_FORMAT",
-	    get: function get() {
-	      return [
-	      // L
-	      0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976,
-	      // M
-	      0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0,
-	      // Q
-	      0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed,
-	      // H
-	      0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b];
-	    }
-
-	    /**
-	     * Returns a map of human-readable ECC levels.
-	     *
-	     * @return {Object<string, number>} A ECC level mapping.
-	     * @public
-	     * @static
-	     */
-
-	  }, {
-	    key: "LEVELS",
-	    get: function get() {
-	      return {
-	        L: 1,
-	        M: 2,
-	        Q: 3,
-	        H: 4
-	      };
-	    }
-	  }]);
-
-	  return ErrorCorrection;
-	}();
-
-	/*
-	 * QRious
-	 * Copyright (C) 2017 Alasdair Mercer
-	 * Copyright (C) 2010 Tom Zerucha
-	 *
-	 * This program is free software: you can redistribute it and/or modify
-	 * it under the terms of the GNU General Public License as published by
-	 * the Free Software Foundation, either version 3 of the License, or
-	 * (at your option) any later version.
-	 *
-	 * This program is distributed in the hope that it will be useful,
-	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	 * GNU General Public License for more details.
-	 *
-	 * You should have received a copy of the GNU General Public License
-	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-	 */
-
-	/**
-	 * Contains Galois field information.
-	 *
-	 * @public
-	 */
-	var Galois = function () {
-	  function Galois() {
-	    _classCallCheck(this, Galois);
-	  }
-
-	  _createClass(Galois, null, [{
-	    key: "EXPONENT",
-
-
-	    /**
-	     * Returns the Galois field exponent table.
-	     *
-	     * @return {number[]} The Galois field exponent table.
-	     * @public
-	     * @static
-	     */
-	    get: function get() {
-	      return [0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1d, 0x3a, 0x74, 0xe8, 0xcd, 0x87, 0x13, 0x26, 0x4c, 0x98, 0x2d, 0x5a, 0xb4, 0x75, 0xea, 0xc9, 0x8f, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x9d, 0x27, 0x4e, 0x9c, 0x25, 0x4a, 0x94, 0x35, 0x6a, 0xd4, 0xb5, 0x77, 0xee, 0xc1, 0x9f, 0x23, 0x46, 0x8c, 0x05, 0x0a, 0x14, 0x28, 0x50, 0xa0, 0x5d, 0xba, 0x69, 0xd2, 0xb9, 0x6f, 0xde, 0xa1, 0x5f, 0xbe, 0x61, 0xc2, 0x99, 0x2f, 0x5e, 0xbc, 0x65, 0xca, 0x89, 0x0f, 0x1e, 0x3c, 0x78, 0xf0, 0xfd, 0xe7, 0xd3, 0xbb, 0x6b, 0xd6, 0xb1, 0x7f, 0xfe, 0xe1, 0xdf, 0xa3, 0x5b, 0xb6, 0x71, 0xe2, 0xd9, 0xaf, 0x43, 0x86, 0x11, 0x22, 0x44, 0x88, 0x0d, 0x1a, 0x34, 0x68, 0xd0, 0xbd, 0x67, 0xce, 0x81, 0x1f, 0x3e, 0x7c, 0xf8, 0xed, 0xc7, 0x93, 0x3b, 0x76, 0xec, 0xc5, 0x97, 0x33, 0x66, 0xcc, 0x85, 0x17, 0x2e, 0x5c, 0xb8, 0x6d, 0xda, 0xa9, 0x4f, 0x9e, 0x21, 0x42, 0x84, 0x15, 0x2a, 0x54, 0xa8, 0x4d, 0x9a, 0x29, 0x52, 0xa4, 0x55, 0xaa, 0x49, 0x92, 0x39, 0x72, 0xe4, 0xd5, 0xb7, 0x73, 0xe6, 0xd1, 0xbf, 0x63, 0xc6, 0x91, 0x3f, 0x7e, 0xfc, 0xe5, 0xd7, 0xb3, 0x7b, 0xf6, 0xf1, 0xff, 0xe3, 0xdb, 0xab, 0x4b, 0x96, 0x31, 0x62, 0xc4, 0x95, 0x37, 0x6e, 0xdc, 0xa5, 0x57, 0xae, 0x41, 0x82, 0x19, 0x32, 0x64, 0xc8, 0x8d, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0, 0xdd, 0xa7, 0x53, 0xa6, 0x51, 0xa2, 0x59, 0xb2, 0x79, 0xf2, 0xf9, 0xef, 0xc3, 0x9b, 0x2b, 0x56, 0xac, 0x45, 0x8a, 0x09, 0x12, 0x24, 0x48, 0x90, 0x3d, 0x7a, 0xf4, 0xf5, 0xf7, 0xf3, 0xfb, 0xeb, 0xcb, 0x8b, 0x0b, 0x16, 0x2c, 0x58, 0xb0, 0x7d, 0xfa, 0xe9, 0xcf, 0x83, 0x1b, 0x36, 0x6c, 0xd8, 0xad, 0x47, 0x8e, 0x00];
-	    }
-
-	    /**
-	     * Returns the Galois field log table.
-	     *
-	     * @return {number[]} The Galois field log table.
-	     * @public
-	     * @static
-	     */
-
-	  }, {
-	    key: "LOG",
-	    get: function get() {
-	      return [0xff, 0x00, 0x01, 0x19, 0x02, 0x32, 0x1a, 0xc6, 0x03, 0xdf, 0x33, 0xee, 0x1b, 0x68, 0xc7, 0x4b, 0x04, 0x64, 0xe0, 0x0e, 0x34, 0x8d, 0xef, 0x81, 0x1c, 0xc1, 0x69, 0xf8, 0xc8, 0x08, 0x4c, 0x71, 0x05, 0x8a, 0x65, 0x2f, 0xe1, 0x24, 0x0f, 0x21, 0x35, 0x93, 0x8e, 0xda, 0xf0, 0x12, 0x82, 0x45, 0x1d, 0xb5, 0xc2, 0x7d, 0x6a, 0x27, 0xf9, 0xb9, 0xc9, 0x9a, 0x09, 0x78, 0x4d, 0xe4, 0x72, 0xa6, 0x06, 0xbf, 0x8b, 0x62, 0x66, 0xdd, 0x30, 0xfd, 0xe2, 0x98, 0x25, 0xb3, 0x10, 0x91, 0x22, 0x88, 0x36, 0xd0, 0x94, 0xce, 0x8f, 0x96, 0xdb, 0xbd, 0xf1, 0xd2, 0x13, 0x5c, 0x83, 0x38, 0x46, 0x40, 0x1e, 0x42, 0xb6, 0xa3, 0xc3, 0x48, 0x7e, 0x6e, 0x6b, 0x3a, 0x28, 0x54, 0xfa, 0x85, 0xba, 0x3d, 0xca, 0x5e, 0x9b, 0x9f, 0x0a, 0x15, 0x79, 0x2b, 0x4e, 0xd4, 0xe5, 0xac, 0x73, 0xf3, 0xa7, 0x57, 0x07, 0x70, 0xc0, 0xf7, 0x8c, 0x80, 0x63, 0x0d, 0x67, 0x4a, 0xde, 0xed, 0x31, 0xc5, 0xfe, 0x18, 0xe3, 0xa5, 0x99, 0x77, 0x26, 0xb8, 0xb4, 0x7c, 0x11, 0x44, 0x92, 0xd9, 0x23, 0x20, 0x89, 0x2e, 0x37, 0x3f, 0xd1, 0x5b, 0x95, 0xbc, 0xcf, 0xcd, 0x90, 0x87, 0x97, 0xb2, 0xdc, 0xfc, 0xbe, 0x61, 0xf2, 0x56, 0xd3, 0xab, 0x14, 0x2a, 0x5d, 0x9e, 0x84, 0x3c, 0x39, 0x53, 0x47, 0x6d, 0x41, 0xa2, 0x1f, 0x2d, 0x43, 0xd8, 0xb7, 0x7b, 0xa4, 0x76, 0xc4, 0x17, 0x49, 0xec, 0x7f, 0x0c, 0x6f, 0xf6, 0x6c, 0xa1, 0x3b, 0x52, 0x29, 0x9d, 0x55, 0xaa, 0xfb, 0x60, 0x86, 0xb1, 0xbb, 0xcc, 0x3e, 0x5a, 0xcb, 0x59, 0x5f, 0xb0, 0x9c, 0xa9, 0xa0, 0x51, 0x0b, 0xf5, 0x16, 0xeb, 0x7a, 0x75, 0x2c, 0xd7, 0x4f, 0xae, 0xd5, 0xe9, 0xe6, 0xe7, 0xad, 0xe8, 0x74, 0xd6, 0xf4, 0xea, 0xa8, 0x50, 0x58, 0xaf];
-	    }
-	  }]);
-
-	  return Galois;
-	}();
-
-	/*
-	 * QRious
-	 * Copyright (C) 2017 Alasdair Mercer
-	 * Copyright (C) 2010 Tom Zerucha
-	 *
-	 * This program is free software: you can redistribute it and/or modify
-	 * it under the terms of the GNU General Public License as published by
-	 * the Free Software Foundation, either version 3 of the License, or
-	 * (at your option) any later version.
-	 *
-	 * This program is distributed in the hope that it will be useful,
-	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	 * GNU General Public License for more details.
-	 *
-	 * You should have received a copy of the GNU General Public License
-	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-	 */
-
-	/**
-	 * Contains version pattern information.
-	 *
-	 * @public
-	 */
-	var Version = function () {
-	  function Version() {
-	    _classCallCheck(this, Version);
-	  }
-
-	  _createClass(Version, null, [{
-	    key: "BLOCK",
-
-
-	    /**
-	     * Returns the version pattern block.
-	     *
-	     * @return {number[]} The version pattern block.
-	     * @public
-	     * @static
-	     */
-	    get: function get() {
-	      return [0xc94, 0x5bc, 0xa99, 0x4d3, 0xbf6, 0x762, 0x847, 0x60d, 0x928, 0xb78, 0x45d, 0xa17, 0x532, 0x9a6, 0x683, 0x8c9, 0x7ec, 0xec4, 0x1e1, 0xfab, 0x08e, 0xc1a, 0x33f, 0xd75, 0x250, 0x9d5, 0x6f0, 0x8ba, 0x79f, 0xb0b, 0x42e, 0xa64, 0x541, 0xc69];
-	    }
-	  }]);
-
-	  return Version;
-	}();
-
-	/*
-	 * QRious
-	 * Copyright (C) 2017 Alasdair Mercer
-	 * Copyright (C) 2010 Tom Zerucha
-	 *
-	 * This program is free software: you can redistribute it and/or modify
-	 * it under the terms of the GNU General Public License as published by
-	 * the Free Software Foundation, either version 3 of the License, or
-	 * (at your option) any later version.
-	 *
-	 * This program is distributed in the hope that it will be useful,
-	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	 * GNU General Public License for more details.
-	 *
-	 * You should have received a copy of the GNU General Public License
-	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-	 */
-
-	/**
-	 * Generates information for a QR code frame based on a specific value to be encoded.
-	 *
-	 * @public
-	 */
-
-	var Frame = function () {
-	  _createClass(Frame, null, [{
-	    key: '_createArray',
-	    value: function _createArray(length) {
-	      var array = [];
-
-	      for (var i = 0; i < length; i++) {
-	        array[i] = 0;
-	      }
-
-	      return array;
-	    }
-	  }, {
-	    key: '_getMaskBit',
-	    value: function _getMaskBit(x, y) {
-	      var bit = void 0;
-
-	      if (x > y) {
-	        bit = x;
-	        x = y;
-	        y = bit;
-	      }
-
-	      bit = y;
-	      bit += y * y;
-	      bit >>= 1;
-	      bit += x;
-
-	      return bit;
-	    }
-	  }, {
-	    key: '_modN',
-	    value: function _modN(x) {
-	      while (x >= 255) {
-	        x -= 255;
-	        x = (x >> 8) + (x & 255);
-	      }
-
-	      return x;
-	    }
-
-	    // *Badness* coefficients.
-
-	  }, {
-	    key: 'N1',
-	    get: function get() {
-	      return 3;
-	    }
-	  }, {
-	    key: 'N2',
-	    get: function get() {
-	      return 3;
-	    }
-	  }, {
-	    key: 'N3',
-	    get: function get() {
-	      return 40;
-	    }
-	  }, {
-	    key: 'N4',
-	    get: function get() {
-	      return 10;
-	    }
-
-	    /**
-	     * Creates an instance of {@link Frame} based on the <code>options</code> provided.
-	     *
-	     * @param {Frame~Options} options - the options to be used
-	     * @public
-	     */
-
-	  }]);
-
-	  function Frame(options) {
-	    _classCallCheck(this, Frame);
-
-	    this._badness = [];
-	    this._level = ErrorCorrection.LEVELS[options.level];
-	    this._polynomial = [];
-	    this._value = options.value;
-	    this._valueLength = this._value.length;
-	    this._version = 0;
-	    this._stringBuffer = [];
-
-	    var dataBlock = void 0;
-	    var eccBlock = void 0;
-	    var neccBlock1 = void 0;
-	    var neccBlock2 = void 0;
-
-	    while (this._version < 40) {
-	      this._version++;
-
-	      var index = (this._level - 1) * 4 + (this._version - 1) * 16;
-
-	      neccBlock1 = ErrorCorrection.BLOCKS[index++];
-	      neccBlock2 = ErrorCorrection.BLOCKS[index++];
-	      dataBlock = ErrorCorrection.BLOCKS[index++];
-	      eccBlock = ErrorCorrection.BLOCKS[index];
-
-	      index = dataBlock * (neccBlock1 + neccBlock2) + neccBlock2 - 3 + (this._version <= 9);
-
-	      if (this._valueLength <= index) {
-	        break;
-	      }
-	    }
-
-	    this._dataBlock = dataBlock;
-	    this._eccBlock = eccBlock;
-	    this._neccBlock1 = neccBlock1;
-	    this._neccBlock2 = neccBlock2;
-
-	    /**
-	     * The data width is based on version.
-	     *
-	     * @public
-	     * @type {number}
-	     */
-	    // FIXME: Ensure that it fits instead of being truncated.
-	    this.width = 17 + 4 * this._version;
-
-	    /**
-	     * The image buffer.
-	     *
-	     * @public
-	     * @type {number[]}
-	     */
-	    this.buffer = Frame._createArray(this.width * this.width);
-
-	    this._ecc = Frame._createArray(this._dataBlock + (this._dataBlock + this._eccBlock) * (this._neccBlock1 + this._neccBlock2) + this._neccBlock2);
-	    this._mask = Frame._createArray((this.width * (this.width + 1) + 1) / 2);
-
-	    this._insertFinders();
-	    this._insertAlignments();
-
-	    // Insert single foreground cell.
-	    this.buffer[8 + this.width * (this.width - 8)] = 1;
-
-	    this._insertTimingGap();
-	    this._reverseMask();
-	    this._insertTimingRowAndColumn();
-	    this._insertVersion();
-	    this._syncMask();
-	    this._convertBitStream(this._value.length);
-	    this._calculatePolynomial();
-	    this._appendEccToData();
-	    this._interleaveBlocks();
-	    this._pack();
-	    this._finish();
-	  }
-
-	  _createClass(Frame, [{
-	    key: '_addAlignment',
-	    value: function _addAlignment(x, y) {
-	      this.buffer[x + this.width * y] = 1;
-
-	      for (var i = -2; i < 2; i++) {
-	        this.buffer[x + i + this.width * (y - 2)] = 1;
-	        this.buffer[x - 2 + this.width * (y + i + 1)] = 1;
-	        this.buffer[x + 2 + this.width * (y + i)] = 1;
-	        this.buffer[x + i + 1 + this.width * (y + 2)] = 1;
-	      }
-
-	      for (var _i = 0; _i < 2; _i++) {
-	        this._setMask(x - 1, y + _i);
-	        this._setMask(x + 1, y - _i);
-	        this._setMask(x - _i, y - 1);
-	        this._setMask(x + _i, y + 1);
-	      }
-	    }
-	  }, {
-	    key: '_appendData',
-	    value: function _appendData(data, dataLength, ecc, eccLength) {
-	      for (var i = 0; i < eccLength; i++) {
-	        this._stringBuffer[ecc + i] = 0;
-	      }
-
-	      for (var _i2 = 0; _i2 < dataLength; _i2++) {
-	        var bit = Galois.LOG[this._stringBuffer[data + _i2] ^ this._stringBuffer[ecc]];
-
-	        if (bit !== 255) {
-	          for (var j = 1; j < eccLength; j++) {
-	            this._stringBuffer[ecc + j - 1] = this._stringBuffer[ecc + j] ^ Galois.EXPONENT[Frame._modN(bit + this._polynomial[eccLength - j])];
-	          }
-	        } else {
-	          for (var _j = ecc; _j < ecc + eccLength; _j++) {
-	            this._stringBuffer[_j] = this._stringBuffer[_j + 1];
-	          }
-	        }
-
-	        this._stringBuffer[ecc + eccLength - 1] = bit === 255 ? 0 : Galois.EXPONENT[Frame._modN(bit + this._polynomial[0])];
-	      }
-	    }
-	  }, {
-	    key: '_appendEccToData',
-	    value: function _appendEccToData() {
-	      var data = 0;
-	      var ecc = this._calculateMaxLength();
-
-	      for (var i = 0; i < this._neccBlock1; i++) {
-	        this._appendData(data, this._dataBlock, ecc, this._eccBlock);
-
-	        data += this._dataBlock;
-	        ecc += this._eccBlock;
-	      }
-
-	      for (var _i3 = 0; _i3 < this._neccBlock2; _i3++) {
-	        this._appendData(data, this._dataBlock + 1, ecc, this._eccBlock);
-
-	        data += this._dataBlock + 1;
-	        ecc += this._eccBlock;
-	      }
-	    }
-	  }, {
-	    key: '_applyMask',
-	    value: function _applyMask(mask) {
-	      var width = this.width;
-
-	      switch (mask) {
-	        case 0:
-	          for (var y = 0; y < width; y++) {
-	            for (var x = 0; x < width; x++) {
-	              if (!(x + y & 1) && !this._isMasked(x, y)) {
-	                this.buffer[x + y * width] ^= 1;
-	              }
-	            }
-	          }
-
-	          break;
-	        case 1:
-	          for (var _y = 0; _y < width; _y++) {
-	            for (var _x = 0; _x < width; _x++) {
-	              if (!(_y & 1) && !this._isMasked(_x, _y)) {
-	                this.buffer[_x + _y * width] ^= 1;
-	              }
-	            }
-	          }
-
-	          break;
-	        case 2:
-	          for (var _y2 = 0; _y2 < width; _y2++) {
-	            for (var r3x = 0, _x2 = 0; _x2 < width; _x2++, r3x++) {
-	              if (r3x === 3) {
-	                r3x = 0;
-	              }
-
-	              if (!r3x && !this._isMasked(_x2, _y2)) {
-	                this.buffer[_x2 + _y2 * width] ^= 1;
-	              }
-	            }
-	          }
-
-	          break;
-	        case 3:
-	          for (var r3y = 0, _y3 = 0; _y3 < width; _y3++, r3y++) {
-	            if (r3y === 3) {
-	              r3y = 0;
-	            }
-
-	            for (var _r3x = r3y, _x3 = 0; _x3 < width; _x3++, _r3x++) {
-	              if (_r3x === 3) {
-	                _r3x = 0;
-	              }
-
-	              if (!_r3x && !this._isMasked(_x3, _y3)) {
-	                this.buffer[_x3 + _y3 * width] ^= 1;
-	              }
-	            }
-	          }
-
-	          break;
-	        case 4:
-	          for (var _y4 = 0; _y4 < width; _y4++) {
-	            for (var _r3x2 = 0, _r3y = _y4 >> 1 & 1, _x4 = 0; _x4 < width; _x4++, _r3x2++) {
-	              if (_r3x2 === 3) {
-	                _r3x2 = 0;
-	                _r3y = !_r3y;
-	              }
-
-	              if (!_r3y && !this._isMasked(_x4, _y4)) {
-	                this.buffer[_x4 + _y4 * width] ^= 1;
-	              }
-	            }
-	          }
-
-	          break;
-	        case 5:
-	          for (var _r3y2 = 0, _y5 = 0; _y5 < width; _y5++, _r3y2++) {
-	            if (_r3y2 === 3) {
-	              _r3y2 = 0;
-	            }
-
-	            for (var _r3x3 = 0, _x5 = 0; _x5 < width; _x5++, _r3x3++) {
-	              if (_r3x3 === 3) {
-	                _r3x3 = 0;
-	              }
-
-	              if (!((_x5 & _y5 & 1) + !(!_r3x3 | !_r3y2)) && !this._isMasked(_x5, _y5)) {
-	                this.buffer[_x5 + _y5 * width] ^= 1;
-	              }
-	            }
-	          }
-
-	          break;
-	        case 6:
-	          for (var _r3y3 = 0, _y6 = 0; _y6 < width; _y6++, _r3y3++) {
-	            if (_r3y3 === 3) {
-	              _r3y3 = 0;
-	            }
-
-	            for (var _r3x4 = 0, _x6 = 0; _x6 < width; _x6++, _r3x4++) {
-	              if (_r3x4 === 3) {
-	                _r3x4 = 0;
-	              }
-
-	              if (!((_x6 & _y6 & 1) + (_r3x4 && _r3x4 === _r3y3) & 1) && !this._isMasked(_x6, _y6)) {
-	                this.buffer[_x6 + _y6 * width] ^= 1;
-	              }
-	            }
-	          }
-
-	          break;
-	        case 7:
-	          for (var _r3y4 = 0, _y7 = 0; _y7 < width; _y7++, _r3y4++) {
-	            if (_r3y4 === 3) {
-	              _r3y4 = 0;
-	            }
-
-	            for (var _r3x5 = 0, _x7 = 0; _x7 < width; _x7++, _r3x5++) {
-	              if (_r3x5 === 3) {
-	                _r3x5 = 0;
-	              }
-
-	              if (!((_r3x5 && _r3x5 === _r3y4) + (_x7 + _y7 & 1) & 1) && !this._isMasked(_x7, _y7)) {
-	                this.buffer[_x7 + _y7 * width] ^= 1;
-	              }
-	            }
-	          }
-
-	          break;
-	      }
-	    }
-	  }, {
-	    key: '_calculateMaxLength',
-	    value: function _calculateMaxLength() {
-	      return this._dataBlock * (this._neccBlock1 + this._neccBlock2) + this._neccBlock2;
-	    }
-	  }, {
-	    key: '_calculatePolynomial',
-	    value: function _calculatePolynomial() {
-	      this._polynomial[0] = 1;
-
-	      for (var i = 0; i < this._eccBlock; i++) {
-	        this._polynomial[i + 1] = 1;
-
-	        for (var j = i; j > 0; j--) {
-	          this._polynomial[j] = this._polynomial[j] ? this._polynomial[j - 1] ^ Galois.EXPONENT[Frame._modN(Galois.LOG[this._polynomial[j]] + i)] : this._polynomial[j - 1];
-	        }
-
-	        this._polynomial[0] = Galois.EXPONENT[Frame._modN(Galois.LOG[this._polynomial[0]] + i)];
-	      }
-
-	      // Use logs for generator polynomial to save calculation step.
-	      for (var _i4 = 0; _i4 <= this._eccBlock; _i4++) {
-	        this._polynomial[_i4] = Galois.LOG[this._polynomial[_i4]];
-	      }
-	    }
-	  }, {
-	    key: '_checkBadness',
-	    value: function _checkBadness() {
-	      var bad = 0;
-	      var width = this.width;
-
-	      // Blocks of same colour.
-	      for (var y = 0; y < width - 1; y++) {
-	        for (var x = 0; x < width - 1; x++) {
-	          // All foreground colour.
-	          if (this.buffer[x + width * y] && this.buffer[x + 1 + width * y] && this.buffer[x + width * (y + 1)] && this.buffer[x + 1 + width * (y + 1)] ||
-	          // All background colour.
-	          !(this.buffer[x + width * y] || this.buffer[x + 1 + width * y] || this.buffer[x + width * (y + 1)] || this.buffer[x + 1 + width * (y + 1)])) {
-	            bad += Frame.N2;
-	          }
-	        }
-	      }
-
-	      var bw = 0;
-
-	      // X runs.
-	      for (var _y8 = 0; _y8 < width; _y8++) {
-	        var h = 0;
-
-	        this._badness[0] = 0;
-
-	        for (var b = 0, _x8 = 0; _x8 < width; _x8++) {
-	          var b1 = this.buffer[_x8 + width * _y8];
-
-	          if (b === b1) {
-	            this._badness[h]++;
-	          } else {
-	            this._badness[++h] = 1;
-	          }
-
-	          b = b1;
-	          bw += b ? 1 : -1;
-	        }
-
-	        bad += this._getBadness(h);
-	      }
-
-	      if (bw < 0) {
-	        bw = -bw;
-	      }
-
-	      var count = 0;
-	      var big = bw;
-	      big += big << 2;
-	      big <<= 1;
-
-	      while (big > width * width) {
-	        big -= width * width;
-	        count++;
-	      }
-
-	      bad += count * Frame.N4;
-
-	      // Y runs.
-	      for (var _x9 = 0; _x9 < width; _x9++) {
-	        var _h = 0;
-
-	        this._badness[0] = 0;
-
-	        for (var _b = 0, _y9 = 0; _y9 < width; _y9++) {
-	          var _b2 = this.buffer[_x9 + width * _y9];
-
-	          if (_b === _b2) {
-	            this._badness[_h]++;
-	          } else {
-	            this._badness[++_h] = 1;
-	          }
-
-	          _b = _b2;
-	        }
-
-	        bad += this._getBadness(_h);
-	      }
-
-	      return bad;
-	    }
-	  }, {
-	    key: '_convertBitStream',
-	    value: function _convertBitStream(length) {
-	      // Convert string to bit stream. 8-bit data to QR-coded 8-bit data (numeric, alphanumeric, or kanji not supported).
-	      for (var i = 0; i < length; i++) {
-	        this._ecc[i] = this._value.charCodeAt(i);
-	      }
-
-	      this._stringBuffer = this._ecc.slice(0);
-
-	      var maxLength = this._calculateMaxLength();
-
-	      if (length >= maxLength - 2) {
-	        length = maxLength - 2;
-
-	        if (this._version > 9) {
-	          length--;
-	        }
-	      }
-
-	      // Shift and re-pack to insert length prefix.
-	      var index = length;
-
-	      if (this._version > 9) {
-	        this._stringBuffer[index + 2] = 0;
-	        this._stringBuffer[index + 3] = 0;
-
-	        while (index--) {
-	          var bit = this._stringBuffer[index];
-
-	          this._stringBuffer[index + 3] |= 255 & bit << 4;
-	          this._stringBuffer[index + 2] = bit >> 4;
-	        }
-
-	        this._stringBuffer[2] |= 255 & length << 4;
-	        this._stringBuffer[1] = length >> 4;
-	        this._stringBuffer[0] = 0x40 | length >> 12;
-	      } else {
-	        this._stringBuffer[index + 1] = 0;
-	        this._stringBuffer[index + 2] = 0;
-
-	        while (index--) {
-	          var _bit = this._stringBuffer[index];
-
-	          this._stringBuffer[index + 2] |= 255 & _bit << 4;
-	          this._stringBuffer[index + 1] = _bit >> 4;
-	        }
-
-	        this._stringBuffer[1] |= 255 & length << 4;
-	        this._stringBuffer[0] = 0x40 | length >> 4;
-	      }
-
-	      // Fill to end with pad pattern.
-	      index = length + 3 - (this._version < 10);
-
-	      while (index < maxLength) {
-	        this._stringBuffer[index++] = 0xec;
-	        this._stringBuffer[index++] = 0x11;
-	      }
-	    }
-	  }, {
-	    key: '_getBadness',
-	    value: function _getBadness(length) {
-	      var badRuns = 0;
-
-	      for (var i = 0; i <= length; i++) {
-	        if (this._badness[i] >= 5) {
-	          badRuns += Frame.N1 + this._badness[i] - 5;
-	        }
-	      }
-
-	      // FBFFFBF as in finder.
-	      for (var _i5 = 3; _i5 < length - 1; _i5 += 2) {
-	        if (this._badness[_i5 - 2] === this._badness[_i5 + 2] && this._badness[_i5 + 2] === this._badness[_i5 - 1] && this._badness[_i5 - 1] === this._badness[_i5 + 1] && this._badness[_i5 - 1] * 3 === this._badness[_i5] && (
-	        // Background around the foreground pattern? Not part of the specs.
-	        this._badness[_i5 - 3] === 0 || _i5 + 3 > length || this._badness[_i5 - 3] * 3 >= this._badness[_i5] * 4 || this._badness[_i5 + 3] * 3 >= this._badness[_i5] * 4)) {
-	          badRuns += Frame.N3;
-	        }
-	      }
-
-	      return badRuns;
-	    }
-	  }, {
-	    key: '_finish',
-	    value: function _finish() {
-	      // Save pre-mask copy of frame.
-	      this._stringBuffer = this.buffer.slice(0);
-
-	      var bit = 0;
-	      var i = void 0;
-	      var mask = 30000;
-
-	      /*
-	       * Using for instead of while since in original Arduino code if an early mask was "good enough" it wouldn't try for
-	       * a better one since they get more complex and take longer.
-	       */
-	      for (i = 0; i < 8; i++) {
-	        // Returns foreground-background imbalance.
-	        this._applyMask(i);
-
-	        var currentMask = this._checkBadness();
-
-	        // Is current mask better than previous best?
-	        if (currentMask < mask) {
-	          mask = currentMask;
-	          bit = i;
-	        }
-
-	        // Don't increment "i" to a void redoing mask.
-	        if (bit === 7) {
-	          break;
-	        }
-
-	        // Reset for next pass.
-	        this.buffer = this._stringBuffer.slice(0);
-	      }
-
-	      // Redo best mask as none were "good enough" (i.e. last wasn't bit).
-	      if (bit !== i) {
-	        this._applyMask(bit);
-	      }
-
-	      // Add in final mask/ECC level bytes.
-	      mask = ErrorCorrection.FINAL_FORMAT[bit + (this._level - 1 << 3)];
-
-	      // Low byte.
-	      for (i = 0; i < 8; i++, mask >>= 1) {
-	        if (mask & 1) {
-	          this.buffer[this.width - 1 - i + this.width * 8] = 1;
-
-	          if (i < 6) {
-	            this.buffer[8 + this.width * i] = 1;
-	          } else {
-	            this.buffer[8 + this.width * (i + 1)] = 1;
-	          }
-	        }
-	      }
-
-	      // High byte.
-	      for (i = 0; i < 7; i++, mask >>= 1) {
-	        if (mask & 1) {
-	          this.buffer[8 + this.width * (this.width - 7 + i)] = 1;
-
-	          if (i) {
-	            this.buffer[6 - i + this.width * 8] = 1;
-	          } else {
-	            this.buffer[7 + this.width * 8] = 1;
-	          }
-	        }
-	      }
-	    }
-	  }, {
-	    key: '_interleaveBlocks',
-	    value: function _interleaveBlocks() {
-	      var maxLength = this._calculateMaxLength();
-	      var i = void 0;
-	      var k = 0;
-
-	      for (i = 0; i < this._dataBlock; i++) {
-	        for (var j = 0; j < this._neccBlock1; j++) {
-	          this._ecc[k++] = this._stringBuffer[i + j * this._dataBlock];
-	        }
-
-	        for (var _j2 = 0; _j2 < this._neccBlock2; _j2++) {
-	          this._ecc[k++] = this._stringBuffer[this._neccBlock1 * this._dataBlock + i + _j2 * (this._dataBlock + 1)];
-	        }
-	      }
-
-	      for (var _j3 = 0; _j3 < this._neccBlock2; _j3++) {
-	        this._ecc[k++] = this._stringBuffer[this._neccBlock1 * this._dataBlock + i + _j3 * (this._dataBlock + 1)];
-	      }
-
-	      for (i = 0; i < this._eccBlock; i++) {
-	        for (var _j4 = 0; _j4 < this._neccBlock1 + this._neccBlock2; _j4++) {
-	          this._ecc[k++] = this._stringBuffer[maxLength + i + _j4 * this._eccBlock];
-	        }
-	      }
-
-	      this._stringBuffer = this._ecc;
-	    }
-	  }, {
-	    key: '_insertAlignments',
-	    value: function _insertAlignments() {
-	      var width = this.width;
-
-	      if (this._version > 1) {
-	        var i = Alignment.BLOCK[this._version];
-	        var y = width - 7;
-
-	        for (;;) {
-	          var x = width - 7;
-
-	          while (x > i - 3) {
-	            this._addAlignment(x, y);
-
-	            if (x < i) {
-	              break;
-	            }
-
-	            x -= i;
-	          }
-
-	          if (y <= i + 9) {
-	            break;
-	          }
-
-	          y -= i;
-
-	          this._addAlignment(6, y);
-	          this._addAlignment(y, 6);
-	        }
-	      }
-	    }
-	  }, {
-	    key: '_insertFinders',
-	    value: function _insertFinders() {
-	      var width = this.width;
-
-	      for (var i = 0; i < 3; i++) {
-	        var j = 0;
-	        var y = 0;
-
-	        if (i === 1) {
-	          j = width - 7;
-	        }
-	        if (i === 2) {
-	          y = width - 7;
-	        }
-
-	        this.buffer[y + 3 + width * (j + 3)] = 1;
-
-	        for (var x = 0; x < 6; x++) {
-	          this.buffer[y + x + width * j] = 1;
-	          this.buffer[y + width * (j + x + 1)] = 1;
-	          this.buffer[y + 6 + width * (j + x)] = 1;
-	          this.buffer[y + x + 1 + width * (j + 6)] = 1;
-	        }
-
-	        for (var _x10 = 1; _x10 < 5; _x10++) {
-	          this._setMask(y + _x10, j + 1);
-	          this._setMask(y + 1, j + _x10 + 1);
-	          this._setMask(y + 5, j + _x10);
-	          this._setMask(y + _x10 + 1, j + 5);
-	        }
-
-	        for (var _x11 = 2; _x11 < 4; _x11++) {
-	          this.buffer[y + _x11 + width * (j + 2)] = 1;
-	          this.buffer[y + 2 + width * (j + _x11 + 1)] = 1;
-	          this.buffer[y + 4 + width * (j + _x11)] = 1;
-	          this.buffer[y + _x11 + 1 + width * (j + 4)] = 1;
-	        }
-	      }
-	    }
-	  }, {
-	    key: '_insertTimingGap',
-	    value: function _insertTimingGap() {
-	      var width = this.width;
-
-	      for (var y = 0; y < 7; y++) {
-	        this._setMask(7, y);
-	        this._setMask(width - 8, y);
-	        this._setMask(7, y + width - 7);
-	      }
-
-	      for (var x = 0; x < 8; x++) {
-	        this._setMask(x, 7);
-	        this._setMask(x + width - 8, 7);
-	        this._setMask(x, width - 8);
-	      }
-	    }
-	  }, {
-	    key: '_insertTimingRowAndColumn',
-	    value: function _insertTimingRowAndColumn() {
-	      var width = this.width;
-
-	      for (var x = 0; x < width - 14; x++) {
-	        if (x & 1) {
-	          this._setMask(8 + x, 6);
-	          this._setMask(6, 8 + x);
-	        } else {
-	          this.buffer[8 + x + width * 6] = 1;
-	          this.buffer[6 + width * (8 + x)] = 1;
-	        }
-	      }
-	    }
-	  }, {
-	    key: '_insertVersion',
-	    value: function _insertVersion() {
-	      var width = this.width;
-
-	      if (this._version > 6) {
-	        var i = Version.BLOCK[this._version - 7];
-	        var j = 17;
-
-	        for (var x = 0; x < 6; x++) {
-	          for (var y = 0; y < 3; y++, j--) {
-	            if (1 & (j > 11 ? this._version >> j - 12 : i >> j)) {
-	              this.buffer[5 - x + width * (2 - y + width - 11)] = 1;
-	              this.buffer[2 - y + width - 11 + width * (5 - x)] = 1;
-	            } else {
-	              this._setMask(5 - x, 2 - y + width - 11);
-	              this._setMask(2 - y + width - 11, 5 - x);
-	            }
-	          }
-	        }
-	      }
-	    }
-	  }, {
-	    key: '_isMasked',
-	    value: function _isMasked(x, y) {
-	      var bit = Frame._getMaskBit(x, y);
-
-	      return this._mask[bit] === 1;
-	    }
-	  }, {
-	    key: '_pack',
-	    value: function _pack() {
-	      var x = this.width - 1;
-	      var y = this.width - 1;
-	      var k = 1;
-	      var v = 1;
-
-	      // Interleaved data and ECC codes.
-	      var length = (this._dataBlock + this._eccBlock) * (this._neccBlock1 + this._neccBlock2) + this._neccBlock2;
-
-	      for (var i = 0; i < length; i++) {
-	        var bit = this._stringBuffer[i];
-
-	        for (var j = 0; j < 8; j++, bit <<= 1) {
-	          if (0x80 & bit) {
-	            this.buffer[x + this.width * y] = 1;
-	          }
-
-	          // Find next fill position.
-	          do {
-	            if (v) {
-	              x--;
-	            } else {
-	              x++;
-
-	              if (k) {
-	                if (y !== 0) {
-	                  y--;
-	                } else {
-	                  x -= 2;
-	                  k = !k;
-
-	                  if (x === 6) {
-	                    x--;
-	                    y = 9;
-	                  }
-	                }
-	              } else if (y !== this.width - 1) {
-	                y++;
-	              } else {
-	                x -= 2;
-	                k = !k;
-
-	                if (x === 6) {
-	                  x--;
-	                  y -= 8;
-	                }
-	              }
-	            }
-
-	            v = !v;
-	          } while (this._isMasked(x, y));
-	        }
-	      }
-	    }
-	  }, {
-	    key: '_reverseMask',
-	    value: function _reverseMask() {
-	      var width = this.width;
-
-	      for (var x = 0; x < 9; x++) {
-	        this._setMask(x, 8);
-	      }
-
-	      for (var _x12 = 0; _x12 < 8; _x12++) {
-	        this._setMask(_x12 + width - 8, 8);
-	        this._setMask(8, _x12);
-	      }
-
-	      for (var y = 0; y < 7; y++) {
-	        this._setMask(8, y + width - 7);
-	      }
-	    }
-	  }, {
-	    key: '_setMask',
-	    value: function _setMask(x, y) {
-	      var bit = Frame._getMaskBit(x, y);
-
-	      this._mask[bit] = 1;
-	    }
-	  }, {
-	    key: '_syncMask',
-	    value: function _syncMask() {
-	      var width = this.width;
-
-	      for (var y = 0; y < width; y++) {
-	        for (var x = 0; x <= y; x++) {
-	          if (this.buffer[x + width * y]) {
-	            this._setMask(x, y);
-	          }
-	        }
-	      }
-	    }
-	  }]);
-
-	  return Frame;
-	}();
-
-
-
-	/**
-	 * The options used by {@link Frame}.
-	 *
-	 * @typedef {Object} Frame~Options
-	 * @property {string} level - The ECC level to be used.
-	 * @property {string} value - The value to be encoded.
-	 */
-
-	/*
-	 * QRious
-	 * Copyright (C) 2017 Alasdair Mercer
-	 * Copyright (C) 2010 Tom Zerucha
-	 *
-	 * This program is free software: you can redistribute it and/or modify
-	 * it under the terms of the GNU General Public License as published by
-	 * the Free Software Foundation, either version 3 of the License, or
-	 * (at your option) any later version.
-	 *
-	 * This program is distributed in the hope that it will be useful,
-	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	 * GNU General Public License for more details.
-	 *
-	 * You should have received a copy of the GNU General Public License
-	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-	 */
-
-	/**
-	 * An implementation of {@link Renderer} for working with <code>img</code> elements.
-	 *
-	 * This depends on {@link CanvasRenderer} being executed first as this implementation simply applies the data URL from
-	 * the rendered <code>canvas</code> element as the <code>src</code> for the <code>img</code> element being rendered.
-	 *
-	 * @public
-	 * @extends Renderer
-	 */
-
-	var ImageRenderer = function (_Renderer) {
-	  _inherits(ImageRenderer, _Renderer);
-
-	  function ImageRenderer() {
-	    _classCallCheck(this, ImageRenderer);
-
-	    return _possibleConstructorReturn(this, (ImageRenderer.__proto__ || _Object$getPrototypeOf(ImageRenderer)).apply(this, arguments));
-	  }
-
-	  _createClass(ImageRenderer, [{
-	    key: 'draw',
-
-
-	    /**
-	     * @override
-	     */
-	    value: function draw() {
-	      this.element.src = this.qrious.toDataURL();
-	    }
-
-	    /**
-	     * @override
-	     */
-
-	  }, {
-	    key: 'reset',
-	    value: function reset() {
-	      this.element.src = '';
-	    }
-
-	    /**
-	     * @override
-	     */
-
-	  }, {
-	    key: 'resize',
-	    value: function resize() {
-	      this.element.width = this.element.height = this.qrious.size;
-	    }
-	  }]);
-
-	  return ImageRenderer;
-	}(Renderer);
-
-	/*
-	 * QRious
-	 * Copyright (C) 2017 Alasdair Mercer
-	 * Copyright (C) 2010 Tom Zerucha
-	 *
-	 * This program is free software: you can redistribute it and/or modify
-	 * it under the terms of the GNU General Public License as published by
-	 * the Free Software Foundation, either version 3 of the License, or
-	 * (at your option) any later version.
-	 *
-	 * This program is distributed in the hope that it will be useful,
-	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	 * GNU General Public License for more details.
-	 *
-	 * You should have received a copy of the GNU General Public License
-	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-	 */
-
-	/**
-	 * Defines an available option while also configuring how values are applied to the target object.
-	 *
-	 * While a value associated with an option can be changed on the target object, the option definition itself is
-	 * immutable.
-	 *
-	 * @public
-	 */
-	var Option = function () {
-
-	  /**
-	   * Creates a new instance of {@link Option} based on the <code>name</code> provided.
-	   *
-	   * Optionally, a <code>defaultValue</code> can be specified as well a <code>valueTransformer</code> and
-	   * <code>fieldNameResolver</code> for greater control over how the option value is applied.
-	   *
-	   * If no <code>valueTransformer</code> is specified, then any specified option will be applied directly.
-	   *
-	   * If no <code>fieldNameResolver</code> is specified, then the field name will be resolved to <code>name</code>
-	   * prefixed with a single underscore when the option is applied.
-	   *
-	   * @param {string} name - the name to be used
-	   * @param {*} [defaultValue] - the default value to be used
-	   * @param {Option~ValueTransformer} [valueTransformer] - the value transformer to be used
-	   * @param {Option~FieldNameResolver} [fieldNameResolver] - the field name resolver to be used
-	   * @public
-	   */
-	  function Option(name, defaultValue, valueTransformer, fieldNameResolver) {
-	    _classCallCheck(this, Option);
-
-	    this._name = name;
-	    this._defaultValue = defaultValue;
-	    this._valueTransformer = valueTransformer;
-	    this._fieldName = typeof fieldNameResolver === 'function' ? fieldNameResolver(this) : '_' + name;
-	  }
-
-	  /**
-	   * Transforms the specified <code>value</code> so that it can be applied for this {@link Option}.
-	   *
-	   * If a value transformer has been specified for this {@link Option}, it will be called upon to transform
-	   * <code>value</code>. Otherwise, <code>value</code> will be returned directly.
-	   *
-	   * @param {*} value - the value to be transformed
-	   * @return {*} The transformed value or <code>value</code> if no value transformer is specified.
-	   * @public
-	   */
-
-
-	  _createClass(Option, [{
-	    key: 'transform',
-	    value: function transform(value) {
-	      var transformer = this._valueTransformer;
-	      if (typeof transformer === 'function') {
-	        return transformer(value, this);
-	      }
-
-	      return value;
-	    }
-
-	    /**
-	     * Returns the field name for this {@link Option}.
-	     *
-	     * @return {string} The field name.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'fieldName',
-	    get: function get() {
-	      return this._fieldName;
-	    }
-
-	    /**
-	     * Returns the name for this {@link Option}.
-	     *
-	     * @return {string} The name.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'name',
-	    get: function get() {
-	      return this._name;
-	    }
-
-	    /**
-	     * Returns the default value for this {@link Option}.
-	     *
-	     * @return {*} The default value.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'defaultValue',
-	    get: function get() {
-	      return this._defaultValue;
-	    }
-	  }]);
-
-	  return Option;
-	}();
-
-
-
-	/**
-	 * Returns the field name to which the specified <code>option</code> is associated on the target object.
-	 *
-	 * The resolved name will be used to identify the field that values for <code>option</code> are to be read from and
-	 * written to.
-	 *
-	 * This function will only called once for <code>option</code>, upon initialization.
-	 *
-	 * @callback Option~FieldNameResolver
-	 * @param {Option} option - the {@link Option} whose field name is to be resolved
-	 * @return {string} The resolved field name for <code>option</code>.
-	 */
-
-	/**
-	 * Returns a transformed value for the specified <code>value</code> to be applied for the <code>option</code> provided.
-	 *
-	 * @callback Option~ValueTransformer
-	 * @param {*} value - the value to be transformed
-	 * @param {Option} option - the {@link Option} for which <code>value</code> is being transformed
-	 * @return {*} The transform value.
-	 */
-
-	var isEnum$1    = _objectPie.f;
-	var _objectToArray = function(isEntries){
-	  return function(it){
-	    var O      = _toIobject(it)
-	      , keys   = _objectKeys(O)
-	      , length = keys.length
-	      , i      = 0
-	      , result = []
-	      , key;
-	    while(length > i)if(isEnum$1.call(O, key = keys[i++])){
-	      result.push(isEntries ? [key, O[key]] : O[key]);
-	    } return result;
-	  };
-	};
-
-	// https://github.com/tc39/proposal-object-values-entries
-	var $values = _objectToArray(false);
-
-	_export(_export.S, 'Object', {
-	  values: function values(it){
-	    return $values(it);
-	  }
-	});
-
-	var values$1 = _core.Object.values;
-
-	var values = createCommonjsModule(function (module) {
-	module.exports = { "default": values$1, __esModule: true };
-	});
-
-	var _Object$values = unwrapExports(values);
-
-	/*
-	 * QRious
-	 * Copyright (C) 2017 Alasdair Mercer
-	 * Copyright (C) 2010 Tom Zerucha
-	 *
-	 * This program is free software: you can redistribute it and/or modify
-	 * it under the terms of the GNU General Public License as published by
-	 * the Free Software Foundation, either version 3 of the License, or
-	 * (at your option) any later version.
-	 *
-	 * This program is distributed in the hope that it will be useful,
-	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	 * GNU General Public License for more details.
-	 *
-	 * You should have received a copy of the GNU General Public License
-	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-	 */
-
-	/**
-	 * Manages multiple {@link Option} instances that are intended to be used by multiple implementations.
-	 *
-	 * Although the option definitions are shared between targets, the values are maintained on the targets themselves.
-	 *
-	 * While a value associated with each option can be changed on the target objects, the manager and the option
-	 * definitions themselves are immutable.
-	 *
-	 * @public
-	 */
-
-	var OptionManager = function () {
-	  _createClass(OptionManager, null, [{
-	    key: '_get',
-	    value: function _get(option, target) {
-	      return target[option.fieldName];
-	    }
-	  }, {
-	    key: '_set',
-	    value: function _set(option, value, target) {
-	      var fieldName = option.fieldName;
-	      var oldValue = target[fieldName];
-	      var newValue = option.transform(value != null ? value : option.defaultValue);
-
-	      target[fieldName] = newValue;
-
-	      return newValue !== oldValue;
-	    }
-
-	    /**
-	     * Creates a new instance of {@link OptionManager} for the specified available <code>options</code>.
-	     *
-	     * @param {Option[]} options - the options to be used
-	     * @public
-	     */
-
-	  }]);
-
-	  function OptionManager(options) {
-	    var _this = this;
-
-	    _classCallCheck(this, OptionManager);
-
-	    this._options = {};
-
-	    options.forEach(function (option) {
-	      _this._options[option.name] = option;
-	    });
-	  }
-
-	  /**
-	   * Sets the default values for all of the available options on the <code>target</code> object provided.
-	   *
-	   * @param {Object} target - the object on which the default values are to be set for each available option
-	   * @return {void}
-	   * @public
-	   */
-
-
-	  _createClass(OptionManager, [{
-	    key: 'applyDefaults',
-	    value: function applyDefaults(target) {
-	      var options = this._options;
-
-	      for (var name in options) {
-	        if (Utilities.hasOwn(options, name)) {
-	          var option = options[name];
-
-	          OptionManager._set(option, option.defaultValue, target);
-	        }
-	      }
-	    }
-
-	    /**
-	     * Returns whether an option with the specified <code>name</code> is available.
-	     *
-	     * @param {string} name - the name of the {@link Option} whose existence is to be checked
-	     * @return {boolean} <code>true</code> if an {@link Option} exists with <code>name</code>; otherwise
-	     * <code>false</code>.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'exists',
-	    value: function exists(name) {
-	      return this._options[name] != null;
-	    }
-
-	    /**
-	     * Returns the value of the option with the specified <code>name</code> on the <code>target</code> object provided.
-	     *
-	     * @param {string} name - the name of the {@link Option} whose value on <code>target</code> is to be returned
-	     * @param {Object} target - the object from which the value of the named {@link Option} is to be returned
-	     * @return {*} The value of the {@link Option} with <code>name</code> on <code>target</code>.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'get',
-	    value: function get(name, target) {
-	      return OptionManager._get(this._options[name], target);
-	    }
-
-	    /**
-	     * Returns a copy of all of the available options on the <code>target</code> object provided.
-	     *
-	     * @param {Object} target - the object from which the option name/value pairs are to be returned
-	     * @return {Object.<string, *>} A hash containing the name/value pairs of all options on <code>target</code>.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'getAll',
-	    value: function getAll(target) {
-	      var options = this._options;
-	      var result = {};
-
-	      for (var name in options) {
-	        if (Utilities.hasOwn(options, name)) {
-	          result[name] = OptionManager._get(options[name], target);
-	        }
-	      }
-
-	      return result;
-	    }
-
-	    /**
-	     * Sets the value of the option with the specified <code>name</code> on the <code>target</code> object provided to
-	     * <code>value</code>.
-	     *
-	     * This method will throw an error if <code>name</code> does not match an available option.
-	     *
-	     * If <code>value</code> is <code>null</code> and the {@link Option} has a default value configured, then that default
-	     * value will be used instead. If the {@link Option} also has a value transformer configured, it will be used to
-	     * transform whichever value was determined to be used.
-	     *
-	     * This method returns whether the value of the underlying field on <code>target</code> was changed as a result.
-	     *
-	     * @param {string} name - the name of the {@link Option} whose value is to be set
-	     * @param {*} value - the value to be set for the named {@link Option} on <code>target</code>
-	     * @param {Object} target - the object on which <code>value</code> is to be set for the named {@link Option}
-	     * @return {boolean} <code>true</code> if the underlying field on <code>target</code> was changed; otherwise
-	     * <code>false</code>.
-	     * @throws {Error} If no {@link Option} is being managed with <code>name</code>.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'set',
-	    value: function set(name, value, target) {
-	      var option = this._options[name];
-	      if (!option) {
-	        throw new Error('Invalid option: ' + name);
-	      }
-
-	      return OptionManager._set(option, value, target);
-	    }
-
-	    /**
-	     * Sets all of the specified <code>options</code> on the <code>target</code> object provided to their corresponding
-	     * values.
-	     *
-	     * This method will throw an error if any of the names within <code>options</code> does not match an available option.
-	     *
-	     * If any value within <code>options</code> is <code>null</code> and the corresponding {@link Option} has a default
-	     * value configured, then that default value will be used instead. If an {@link Option} also has a value transformer
-	     * configured, it will be used to transform whichever value was determined to be used.
-	     *
-	     * This method returns whether the value for any of the underlying fields on <code>target</code> were changed as a
-	     * result.
-	     *
-	     * @param {Object.<string, *>} options - the name/value pairs of options to be set
-	     * @param {Object} target - the object on which the options are to be set
-	     * @return {boolean} <code>true</code> if any of the underlying fields on <code>target</code> were changed; otherwise
-	     * <code>false</code>.
-	     * @throws {Error} If no {@link Option} is being managed with for any of the names within <code>options</code>.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'setAll',
-	    value: function setAll(options, target) {
-	      if (!options) {
-	        return false;
-	      }
-
-	      var changed = false;
-
-	      for (var name in options) {
-	        if (Utilities.hasOwn(options, name) && this.set(name, options[name], target)) {
-	          changed = true;
-	        }
-	      }
-
-	      return changed;
-	    }
-
-	    /**
-	     * Returns a copy of the available options for this {@link OptionManager}.
-	     *
-	     * @return {Option[]} The available options.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'options',
-	    get: function get() {
-	      return _Object$values(this._options);
-	    }
-	  }]);
-
-	  return OptionManager;
-	}();
-
-	/*
-	 * QRious
-	 * Copyright (C) 2017 Alasdair Mercer
-	 * Copyright (C) 2010 Tom Zerucha
-	 *
-	 * This program is free software: you can redistribute it and/or modify
-	 * it under the terms of the GNU General Public License as published by
-	 * the Free Software Foundation, either version 3 of the License, or
-	 * (at your option) any later version.
-	 *
-	 * This program is distributed in the hope that it will be useful,
-	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	 * GNU General Public License for more details.
-	 *
-	 * You should have received a copy of the GNU General Public License
-	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-	 */
-
-	/**
-	 * A basic manager for {@link Service} implementations that are mapped to simple names.
-	 *
-	 * @public
-	 */
-	var ServiceManager = function () {
-
-	  /**
-	   * Creates a new instance of {@link ServiceManager}.
-	   *
-	   * @public
-	   */
-	  function ServiceManager() {
-	    _classCallCheck(this, ServiceManager);
-
-	    this._services = {};
-	  }
-
-	  /**
-	   * Returns the {@link Service} being managed with the specified <code>name</code>.
-	   *
-	   * @param {string} name - the name of the {@link Service} to be returned
-	   * @return {Service} The {@link Service} is being managed with <code>name</code>.
-	   * @throws {Error} If no {@link Service} is being managed with <code>name</code>.
-	   * @public
-	   */
-
-
-	  _createClass(ServiceManager, [{
-	    key: "getService",
-	    value: function getService(name) {
-	      var service = this._services[name];
-	      if (!service) {
-	        throw new Error("Service is not being managed with name: " + name);
-	      }
-
-	      return service;
-	    }
-
-	    /**
-	     * Sets the {@link Service} implementation to be managed for the specified <code>name</code> to the
-	     * <code>service</code> provided.
-	     *
-	     * @param {string} name - the name of the {@link Service} to be managed with <code>name</code>
-	     * @param {Service} service - the {@link Service} implementation to be managed
-	     * @return {void}
-	     * @throws {Error} If a {@link Service} is already being managed with the same <code>name</code>.
-	     * @public
-	     */
-
-	  }, {
-	    key: "setService",
-	    value: function setService(name, service) {
-	      if (this._services[name]) {
-	        throw new Error("Service is already managed with name: " + name);
-	      }
-
-	      if (service) {
-	        this._services[name] = service;
-	      }
-	    }
-	  }]);
-
-	  return ServiceManager;
-	}();
-
-	/*
-	 * QRious
-	 * Copyright (C) 2017 Alasdair Mercer
-	 * Copyright (C) 2010 Tom Zerucha
-	 *
-	 * This program is free software: you can redistribute it and/or modify
-	 * it under the terms of the GNU General Public License as published by
-	 * the Free Software Foundation, either version 3 of the License, or
-	 * (at your option) any later version.
-	 *
-	 * This program is distributed in the hope that it will be useful,
-	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	 * GNU General Public License for more details.
-	 *
-	 * You should have received a copy of the GNU General Public License
-	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-	 */
-
-	var optionManager = new OptionManager([new Option('background', 'white'), new Option('backgroundAlpha', 1, Utilities.abs), new Option('element'), new Option('foreground', 'black'), new Option('foregroundAlpha', 1, Utilities.abs), new Option('level', 'L', Utilities.toUpperCase), new Option('mime', 'image/png'), new Option('padding', null, Utilities.abs), new Option('size', 100, Utilities.abs), new Option('value', '')]);
-	var serviceManager = new ServiceManager();
-
-	/**
-	 * Enables configuration of a QR code generator which uses HTML5 <code>canvas</code> for rendering.
-	 *
-	 * @public
-	 */
-
-	var QRious$1 = function () {
-	  _createClass(QRious, null, [{
-	    key: 'use',
-
-
-	    /**
-	     * Configures the <code>service</code> provided to be used by all {@link QRious} instances.
-	     *
-	     * @param {Service} service - the {@link Service} to be configured
-	     * @return {void}
-	     * @throws {Error} If a {@link Service} has already been configured with the same name.
-	     * @public
-	     * @static
-	     */
-	    value: function use(service) {
-	      serviceManager.setService(service.getName(), service);
-	    }
-
-	    /**
-	     * Creates a new instance of {@link QRious} based on the <code>options</code> provided.
-	     *
-	     * @param {QRious~Options} [options] - the options to be used
-	     * @throws {Error} If any <code>options</code> are invalid.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'DEFAULTS',
-
-
-	    /**
-	     * Returns the default options for {@link QRious}.
-	     *
-	     * @return {QRious~Options} The default options.
-	     * @deprecated Since 2.3.0
-	     * @public
-	     * @static
-	     */
-	    get: function get() {
-	      var result = {};
-
-	      optionManager.options.forEach(function (option) {
-	        result[option.name] = option.defaultValue;
-	      });
-
-	      return result;
-	    }
-
-	    /**
-	     * Returns the current version of {@link QRious}.
-	     *
-	     * @return {string} The current version.
-	     * @public
-	     * @static
-	     */
-
-	  }, {
-	    key: 'VERSION',
-	    get: function get() {
-	      return '2.3.0';
-	    }
-	  }]);
-
-	  function QRious(options) {
-	    _classCallCheck(this, QRious);
-
-	    optionManager.applyDefaults(this);
-	    optionManager.setAll(options, this);
-
-	    var element = optionManager.get('element', this);
-	    var elementService = serviceManager.getService('element');
-	    var canvas = element && elementService.isCanvas(element) ? element : elementService.createCanvas();
-	    var image = element && elementService.isImage(element) ? element : elementService.createImage();
-
-	    this._canvasRenderer = new CanvasRenderer(this, canvas, true);
-	    this._imageRenderer = new ImageRenderer(this, image, image === element);
-
-	    this.update();
-	  }
-
-	  /**
-	   * Returns all of the options configured for this {@link QRious}.
-	   *
-	   * Any changes made to the returned object will not be reflected in the options themselves or their corresponding
-	   * underlying fields.
-	   *
-	   * @return {Object.<string, *>} A copy of the applied options.
-	   * @public
-	   */
-
-
-	  _createClass(QRious, [{
-	    key: 'get',
-	    value: function get() {
-	      return optionManager.getAll(this);
-	    }
-
-	    /**
-	     * Sets all of the specified <code>options</code> and automatically updates this {@link QRious} if any of the
-	     * underlying fields are changed as a result.
-	     *
-	     * This is the preferred method for updating multiple options at one time to avoid unnecessary updates between
-	     * changes.
-	     *
-	     * @param {QRious~Options} options - the options to be set
-	     * @return {void}
-	     * @throws {Error} If any <code>options</code> are invalid.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'set',
-	    value: function set(options) {
-	      if (optionManager.setAll(options, this)) {
-	        this.update();
-	      }
-	    }
-
-	    /**
-	     * Returns the image data URI for the generated QR code using the <code>mime</code> provided.
-	     *
-	     * @param {string} [mime] - the MIME type for the image
-	     * @return {string} The image data URI for the QR code.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'toDataURL',
-	    value: function toDataURL(mime) {
-	      return this.canvas.toDataURL(mime || this.mime);
-	    }
-
-	    /**
-	     * Updates this {@link QRious} by generating a new {@link Frame} and re-rendering the QR code.
-	     *
-	     * @return {void}
-	     * @protected
-	     */
-
-	  }, {
-	    key: 'update',
-	    value: function update() {
-	      var frame = new Frame({
-	        level: this.level,
-	        value: this.value
-	      });
-
-	      this._canvasRenderer.render(frame);
-	      this._imageRenderer.render(frame);
-	    }
-
-	    /**
-	     * Returns the background color for the QR code.
-	     *
-	     * @return {string} The background color.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'background',
-	    get: function get() {
-	      return optionManager.get('background', this);
-	    }
-
-	    /**
-	     * Sets the background color for the QR code to <code>background</code> and automatically updates this {@link QRious}
-	     * if the underlying field is changed as a result.
-	     *
-	     * @param {string} [background="white"] - the background color to be set
-	     * @public
-	     */
-	    ,
-	    set: function set(background) {
-	      if (optionManager.set('background', background, this)) {
-	        this.update();
-	      }
-	    }
-
-	    /**
-	     * Returns the background alpha for the QR code.
-	     *
-	     * @return {number} The background alpha.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'backgroundAlpha',
-	    get: function get() {
-	      return optionManager.get('backgroundAlpha', this);
-	    }
-
-	    /**
-	     * Sets the background alpha for the QR code to <code>backgroundAlpha</code> and automatically updates this
-	     * {@link QRious} if the underlying field is changed as a result.
-	     *
-	     * @param {number} [backgroundAlpha=1] - the background alpha to be set
-	     * @public
-	     */
-	    ,
-	    set: function set(backgroundAlpha) {
-	      if (optionManager.set('backgroundAlpha', backgroundAlpha, this)) {
-	        this.update();
-	      }
-	    }
-
-	    /**
-	     * Returns the <code>canvas</code> element being used to render the QR code for this {@link QRious}.
-	     *
-	     * @return {*} The <code>canvas</code> element.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'canvas',
-	    get: function get() {
-	      return this._canvasRenderer.getElement();
-	    }
-
-	    /**
-	     * Returns the foreground color for the QR code.
-	     *
-	     * @return {string} The foreground color.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'foreground',
-	    get: function get() {
-	      return optionManager.get('foreground', this);
-	    }
-
-	    /**
-	     * Sets the foreground color for the QR code to <code>foreground</code> and automatically updates this {@link QRious}
-	     * if the underlying field is changed as a result.
-	     *
-	     * @param {string} [foreground="black"] - the foreground color to be set
-	     * @public
-	     */
-	    ,
-	    set: function set(foreground) {
-	      if (optionManager.set('foreground', foreground, this)) {
-	        this.update();
-	      }
-	    }
-
-	    /**
-	     * Returns the foreground alpha for the QR code.
-	     *
-	     * @return {number} The foreground alpha.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'foregroundAlpha',
-	    get: function get() {
-	      return optionManager.get('foregroundAlpha', this);
-	    }
-
-	    /**
-	     * Sets the foreground alpha for the QR code to <code>foregroundAlpha</code> and automatically updates this
-	     * {@link QRious} if the underlying field is changed as a result.
-	     *
-	     * @param {number} [foregroundAlpha=1] - the foreground alpha to be set
-	     * @public
-	     */
-	    ,
-	    set: function set(foregroundAlpha) {
-	      if (optionManager.set('foregroundAlpha', foregroundAlpha, this)) {
-	        this.update();
-	      }
-	    }
-
-	    /**
-	     * Returns the <code>img</code> element being used to render the QR code for this {@link QRious}.
-	     *
-	     * @return {*} The <code>img</code> element.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'image',
-	    get: function get() {
-	      return this._imageRenderer.getElement();
-	    }
-
-	    /**
-	     * Returns the error correction level for the QR code.
-	     *
-	     * @return {string} The ECC level.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'level',
-	    get: function get() {
-	      return optionManager.get('level', this);
-	    }
-
-	    /**
-	     * Sets the error correction level for the QR code to <code>level</code> and automatically updates this {@link QRious}
-	     * if the underlying field is changed as a result.
-	     *
-	     * <code>level</code> will be transformed to upper case to aid mapping to known ECC level blocks.
-	     *
-	     * @param {string} [level="L"] - the ECC level to be set
-	     * @public
-	     */
-	    ,
-	    set: function set(level) {
-	      if (optionManager.set('level', level, this)) {
-	        this.update();
-	      }
-	    }
-
-	    /**
-	     * Returns the MIME type for the image rendered for the QR code.
-	     *
-	     * @return {string} The image MIME type.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'mime',
-	    get: function get() {
-	      return optionManager.get('mime', this);
-	    }
-
-	    /**
-	     * Sets the MIME type for the image rendered for the QR code to <code>mime</code> and automatically updates this
-	     * {@link QRious} if the underlying field is changed as a result.
-	     *
-	     * @param {string} [mime="image/png"] - the image MIME type to be set
-	     * @public
-	     */
-	    ,
-	    set: function set(mime) {
-	      if (optionManager.set('mime', mime, this)) {
-	        this.update();
-	      }
-	    }
-
-	    /**
-	     * Returns the padding for the QR code.
-	     *
-	     * @return {number} The padding in pixels.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'padding',
-	    get: function get() {
-	      return optionManager.get('padding', this);
-	    }
-
-	    /**
-	     * Sets the padding for the QR code to <code>padding</code> and automatically updates this {@link QRious} if the
-	     * underlying field is changed as a result.
-	     *
-	     * <code>padding</code> will be transformed to ensure that it is always an absolute positive numbers (e.g.
-	     * <code>-10</code> would become <code>10</code>).
-	     *
-	     * @param {number} [padding] - the padding in pixels to be set
-	     * @public
-	     */
-	    ,
-	    set: function set(padding) {
-	      if (optionManager.set('padding', padding, this)) {
-	        this.update();
-	      }
-	    }
-
-	    /**
-	     * Returns the size of the QR code.
-	     *
-	     * @return {number} The size in pixels.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'size',
-	    get: function get() {
-	      return optionManager.get('size', this);
-	    }
-
-	    /**
-	     * Sets the size of the QR code to <code>size</code> and automatically updates this {@link QRious} if the underlying
-	     * field is changed as a result.
-	     *
-	     * <code>size</code> will be transformed to ensure that it is always an absolute positive numbers (e.g.
-	     * <code>-100</code> would become <code>100</code>).
-	     *
-	     * @param {number} [size=100] - the size in pixels to be set
-	     * @public
-	     */
-	    ,
-	    set: function set(size) {
-	      if (optionManager.set('size', size, this)) {
-	        this.update();
-	      }
-	    }
-
-	    /**
-	     * Returns the value of the QR code.
-	     *
-	     * @return {string} The value.
-	     * @public
-	     */
-
-	  }, {
-	    key: 'value',
-	    get: function get() {
-	      return optionManager.get('value', this);
-	    }
-
-	    /**
-	     * Sets the value of the QR code to <code>value</code> and automatically updates this {@link QRious} if the underlying
-	     * field is changed as a result.
-	     *
-	     * @param {string} [value=""] - the value to be set
-	     * @public
-	     */
-	    ,
-	    set: function set(value) {
-	      if (optionManager.set('value', value, this)) {
-	        this.update();
-	      }
-	    }
-	  }]);
-
-	  return QRious;
-	}();
-
-
-
-	/**
-	 * The options used by {@link QRious}.
-	 *
-	 * @typedef {Object} QRious~Options
-	 * @property {string} [background="white"] - The background color to be applied to the QR code.
-	 * @property {number} [backgroundAlpha=1] - The background alpha to be applied to the QR code.
-	 * @property {*} [element] - The element to be used to render the QR code which may either be an <code>canvas</code> or
-	 * <code>img</code>. The element(s) will be created if needed.
-	 * @property {string} [foreground="black"] - The foreground color to be applied to the QR code.
-	 * @property {number} [foregroundAlpha=1] - The foreground alpha to be applied to the QR code.
-	 * @property {string} [level="L"] - The error correction level to be applied to the QR code.
-	 * @property {string} [mime="image/png"] - The MIME type to be used to render the image for the QR code.
-	 * @property {number} [padding] - The padding for the QR code in pixels.
-	 * @property {number} [size=100] - The size of the QR code in pixels.
-	 * @property {string} [value=""] - The value to be encoded within the QR code.
-	 */
-
-	/*
-	 * QRious
-	 * Copyright (C) 2017 Alasdair Mercer
-	 * Copyright (C) 2010 Tom Zerucha
-	 *
-	 * This program is free software: you can redistribute it and/or modify
-	 * it under the terms of the GNU General Public License as published by
-	 * the Free Software Foundation, either version 3 of the License, or
-	 * (at your option) any later version.
-	 *
-	 * This program is distributed in the hope that it will be useful,
-	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
-	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	 * GNU General Public License for more details.
-	 *
-	 * You should have received a copy of the GNU General Public License
-	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
-	 */
-
-	QRious$1.use(new BrowserElementService());
-
-	return QRious$1;
-
-})));
-
-//# sourceMappingURL=qrious.js.map
\ No newline at end of file
diff --git a/dist/umd/qrious.js.map b/dist/umd/qrious.js.map
deleted file mode 100644
index 085f5d3..0000000
--- a/dist/umd/qrious.js.map
+++ /dev/null
@@ -1 +0,0 @@
-{"version":3,"file":"qrious.js","sources":["../../node_modules/core-js/library/modules/_defined.js","../../node_modules/core-js/library/modules/_to-object.js","../../node_modules/core-js/library/modules/_has.js","../../node_modules/core-js/library/modules/_global.js","../../node_modules/core-js/library/modules/_shared.js","../../node_modules/core-js/library/modules/_uid.js","../../node_modules/core-js/library/modules/_shared-key.js","../../node_modules/core-js/library/modules/_object-gpo.js","../../node_modules/core-js/library/modules/_core.js","../../node_modules/core-js/library/modules/_a-function.js","../../node_modules/core-js/library/modules/_ctx.js","../../node_modules/core-js/library/modules/_is-object.js","../../node_modules/core-js/library/modules/_an-object.js","../../node_modules/core-js/library/modules/_fails.js","../../node_modules/core-js/library/modules/_descriptors.js","../../node_modules/core-js/library/modules/_dom-create.js","../../node_modules/core-js/library/modules/_ie8-dom-define.js","../../node_modules/core-js/library/modules/_to-primitive.js","../../node_modules/core-js/library/modules/_object-dp.js","../../node_modules/core-js/library/modules/_property-desc.js","../../node_modules/core-js/library/modules/_hide.js","../../node_modules/core-js/library/modules/_export.js","../../node_modules/core-js/library/modules/_object-sap.js","../../node_modules/core-js/library/modules/es6.object.get-prototype-of.js","../../node_modules/core-js/library/fn/object/get-prototype-of.js","../../node_modules/babel-runtime/core-js/object/get-prototype-of.js","../../node_modules/babel-runtime/helpers/classCallCheck.js","../../node_modules/core-js/library/modules/es6.object.define-property.js","../../node_modules/core-js/library/fn/object/define-property.js","../../node_modules/babel-runtime/core-js/object/define-property.js","../../node_modules/babel-runtime/helpers/createClass.js","../../node_modules/core-js/library/modules/_to-integer.js","../../node_modules/core-js/library/modules/_string-at.js","../../node_modules/core-js/library/modules/_library.js","../../node_modules/core-js/library/modules/_redefine.js","../../node_modules/core-js/library/modules/_iterators.js","../../node_modules/core-js/library/modules/_cof.js","../../node_modules/core-js/library/modules/_iobject.js","../../node_modules/core-js/library/modules/_to-iobject.js","../../node_modules/core-js/library/modules/_to-length.js","../../node_modules/core-js/library/modules/_to-index.js","../../node_modules/core-js/library/modules/_array-includes.js","../../node_modules/core-js/library/modules/_object-keys-internal.js","../../node_modules/core-js/library/modules/_enum-bug-keys.js","../../node_modules/core-js/library/modules/_object-keys.js","../../node_modules/core-js/library/modules/_object-dps.js","../../node_modules/core-js/library/modules/_html.js","../../node_modules/core-js/library/modules/_object-create.js","../../node_modules/core-js/library/modules/_wks.js","../../node_modules/core-js/library/modules/_set-to-string-tag.js","../../node_modules/core-js/library/modules/_iter-create.js","../../node_modules/core-js/library/modules/_iter-define.js","../../node_modules/core-js/library/modules/es6.string.iterator.js","../../node_modules/core-js/library/modules/_add-to-unscopables.js","../../node_modules/core-js/library/modules/_iter-step.js","../../node_modules/core-js/library/modules/es6.array.iterator.js","../../node_modules/core-js/library/modules/web.dom.iterable.js","../../node_modules/core-js/library/modules/_wks-ext.js","../../node_modules/core-js/library/fn/symbol/iterator.js","../../node_modules/babel-runtime/core-js/symbol/iterator.js","../../node_modules/core-js/library/modules/_meta.js","../../node_modules/core-js/library/modules/_wks-define.js","../../node_modules/core-js/library/modules/_keyof.js","../../node_modules/core-js/library/modules/_object-gops.js","../../node_modules/core-js/library/modules/_object-pie.js","../../node_modules/core-js/library/modules/_enum-keys.js","../../node_modules/core-js/library/modules/_is-array.js","../../node_modules/core-js/library/modules/_object-gopn.js","../../node_modules/core-js/library/modules/_object-gopn-ext.js","../../node_modules/core-js/library/modules/_object-gopd.js","../../node_modules/core-js/library/modules/es6.symbol.js","../../node_modules/core-js/library/modules/es7.symbol.async-iterator.js","../../node_modules/core-js/library/modules/es7.symbol.observable.js","../../node_modules/core-js/library/fn/symbol/index.js","../../node_modules/babel-runtime/core-js/symbol.js","../../node_modules/babel-runtime/helpers/typeof.js","../../node_modules/babel-runtime/helpers/possibleConstructorReturn.js","../../node_modules/core-js/library/modules/_set-proto.js","../../node_modules/core-js/library/modules/es6.object.set-prototype-of.js","../../node_modules/core-js/library/fn/object/set-prototype-of.js","../../node_modules/babel-runtime/core-js/object/set-prototype-of.js","../../node_modules/core-js/library/modules/es6.object.create.js","../../node_modules/core-js/library/fn/object/create.js","../../node_modules/babel-runtime/core-js/object/create.js","../../node_modules/babel-runtime/helpers/inherits.js","../../src/util/Utilities.js","../../src/service/Service.js","../../src/service/element/ElementService.js","../../src/service/element/BrowserElementService.js","../../src/renderer/Renderer.js","../../src/renderer/CanvasRenderer.js","../../src/Alignment.js","../../src/ErrorCorrection.js","../../src/Galois.js","../../src/Version.js","../../src/Frame.js","../../src/renderer/ImageRenderer.js","../../src/option/Option.js","../../node_modules/core-js/library/modules/_object-to-array.js","../../node_modules/core-js/library/modules/es7.object.values.js","../../node_modules/core-js/library/fn/object/values.js","../../node_modules/babel-runtime/core-js/object/values.js","../../src/option/OptionManager.js","../../src/service/ServiceManager.js","../../src/QRious.js","../../src/runtime/browser.js"],"sourcesContent":["// 7.2.1 RequireObjectCoercible(argument)\nmodule.exports = function(it){\n  if(it == undefined)throw TypeError(\"Can't call method on  \" + it);\n  return it;\n};","// 7.1.13 ToObject(argument)\nvar defined = require('./_defined');\nmodule.exports = function(it){\n  return Object(defined(it));\n};","var hasOwnProperty = {}.hasOwnProperty;\nmodule.exports = function(it, key){\n  return hasOwnProperty.call(it, key);\n};","// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n  ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();\nif(typeof __g == 'number')__g = global; // eslint-disable-line no-undef","var global = require('./_global')\n  , SHARED = '__core-js_shared__'\n  , store  = global[SHARED] || (global[SHARED] = {});\nmodule.exports = function(key){\n  return store[key] || (store[key] = {});\n};","var id = 0\n  , px = Math.random();\nmodule.exports = function(key){\n  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));\n};","var shared = require('./_shared')('keys')\n  , uid    = require('./_uid');\nmodule.exports = function(key){\n  return shared[key] || (shared[key] = uid(key));\n};","// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)\nvar has         = require('./_has')\n  , toObject    = require('./_to-object')\n  , IE_PROTO    = require('./_shared-key')('IE_PROTO')\n  , ObjectProto = Object.prototype;\n\nmodule.exports = Object.getPrototypeOf || function(O){\n  O = toObject(O);\n  if(has(O, IE_PROTO))return O[IE_PROTO];\n  if(typeof O.constructor == 'function' && O instanceof O.constructor){\n    return O.constructor.prototype;\n  } return O instanceof Object ? ObjectProto : null;\n};","var core = module.exports = {version: '2.4.0'};\nif(typeof __e == 'number')__e = core; // eslint-disable-line no-undef","module.exports = function(it){\n  if(typeof it != 'function')throw TypeError(it + ' is not a function!');\n  return it;\n};","// optional / simple context binding\nvar aFunction = require('./_a-function');\nmodule.exports = function(fn, that, length){\n  aFunction(fn);\n  if(that === undefined)return fn;\n  switch(length){\n    case 1: return function(a){\n      return fn.call(that, a);\n    };\n    case 2: return function(a, b){\n      return fn.call(that, a, b);\n    };\n    case 3: return function(a, b, c){\n      return fn.call(that, a, b, c);\n    };\n  }\n  return function(/* ...args */){\n    return fn.apply(that, arguments);\n  };\n};","module.exports = function(it){\n  return typeof it === 'object' ? it !== null : typeof it === 'function';\n};","var isObject = require('./_is-object');\nmodule.exports = function(it){\n  if(!isObject(it))throw TypeError(it + ' is not an object!');\n  return it;\n};","module.exports = function(exec){\n  try {\n    return !!exec();\n  } catch(e){\n    return true;\n  }\n};","// Thank's IE8 for his funny defineProperty\nmodule.exports = !require('./_fails')(function(){\n  return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7;\n});","var isObject = require('./_is-object')\n  , document = require('./_global').document\n  // in old IE typeof document.createElement is 'object'\n  , is = isObject(document) && isObject(document.createElement);\nmodule.exports = function(it){\n  return is ? document.createElement(it) : {};\n};","module.exports = !require('./_descriptors') && !require('./_fails')(function(){\n  return Object.defineProperty(require('./_dom-create')('div'), 'a', {get: function(){ return 7; }}).a != 7;\n});","// 7.1.1 ToPrimitive(input [, PreferredType])\nvar isObject = require('./_is-object');\n// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n// and the second argument - flag - preferred type is a string\nmodule.exports = function(it, S){\n  if(!isObject(it))return it;\n  var fn, val;\n  if(S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n  if(typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it)))return val;\n  if(!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n  throw TypeError(\"Can't convert object to primitive value\");\n};","var anObject       = require('./_an-object')\n  , IE8_DOM_DEFINE = require('./_ie8-dom-define')\n  , toPrimitive    = require('./_to-primitive')\n  , dP             = Object.defineProperty;\n\nexports.f = require('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes){\n  anObject(O);\n  P = toPrimitive(P, true);\n  anObject(Attributes);\n  if(IE8_DOM_DEFINE)try {\n    return dP(O, P, Attributes);\n  } catch(e){ /* empty */ }\n  if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!');\n  if('value' in Attributes)O[P] = Attributes.value;\n  return O;\n};","module.exports = function(bitmap, value){\n  return {\n    enumerable  : !(bitmap & 1),\n    configurable: !(bitmap & 2),\n    writable    : !(bitmap & 4),\n    value       : value\n  };\n};","var dP         = require('./_object-dp')\n  , createDesc = require('./_property-desc');\nmodule.exports = require('./_descriptors') ? function(object, key, value){\n  return dP.f(object, key, createDesc(1, value));\n} : function(object, key, value){\n  object[key] = value;\n  return object;\n};","var global    = require('./_global')\n  , core      = require('./_core')\n  , ctx       = require('./_ctx')\n  , hide      = require('./_hide')\n  , PROTOTYPE = 'prototype';\n\nvar $export = function(type, name, source){\n  var IS_FORCED = type & $export.F\n    , IS_GLOBAL = type & $export.G\n    , IS_STATIC = type & $export.S\n    , IS_PROTO  = type & $export.P\n    , IS_BIND   = type & $export.B\n    , IS_WRAP   = type & $export.W\n    , exports   = IS_GLOBAL ? core : core[name] || (core[name] = {})\n    , expProto  = exports[PROTOTYPE]\n    , target    = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE]\n    , key, own, out;\n  if(IS_GLOBAL)source = name;\n  for(key in source){\n    // contains in native\n    own = !IS_FORCED && target && target[key] !== undefined;\n    if(own && key in exports)continue;\n    // export native or passed\n    out = own ? target[key] : source[key];\n    // prevent global pollution for namespaces\n    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n    // bind timers to global for call from export context\n    : IS_BIND && own ? ctx(out, global)\n    // wrap global constructors for prevent change them in library\n    : IS_WRAP && target[key] == out ? (function(C){\n      var F = function(a, b, c){\n        if(this instanceof C){\n          switch(arguments.length){\n            case 0: return new C;\n            case 1: return new C(a);\n            case 2: return new C(a, b);\n          } return new C(a, b, c);\n        } return C.apply(this, arguments);\n      };\n      F[PROTOTYPE] = C[PROTOTYPE];\n      return F;\n    // make static versions for prototype methods\n    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n    if(IS_PROTO){\n      (exports.virtual || (exports.virtual = {}))[key] = out;\n      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n      if(type & $export.R && expProto && !expProto[key])hide(expProto, key, out);\n    }\n  }\n};\n// type bitmap\n$export.F = 1;   // forced\n$export.G = 2;   // global\n$export.S = 4;   // static\n$export.P = 8;   // proto\n$export.B = 16;  // bind\n$export.W = 32;  // wrap\n$export.U = 64;  // safe\n$export.R = 128; // real proto method for `library` \nmodule.exports = $export;","// most Object methods by ES6 should accept primitives\nvar $export = require('./_export')\n  , core    = require('./_core')\n  , fails   = require('./_fails');\nmodule.exports = function(KEY, exec){\n  var fn  = (core.Object || {})[KEY] || Object[KEY]\n    , exp = {};\n  exp[KEY] = exec(fn);\n  $export($export.S + $export.F * fails(function(){ fn(1); }), 'Object', exp);\n};","// 19.1.2.9 Object.getPrototypeOf(O)\nvar toObject        = require('./_to-object')\n  , $getPrototypeOf = require('./_object-gpo');\n\nrequire('./_object-sap')('getPrototypeOf', function(){\n  return function getPrototypeOf(it){\n    return $getPrototypeOf(toObject(it));\n  };\n});","require('../../modules/es6.object.get-prototype-of');\nmodule.exports = require('../../modules/_core').Object.getPrototypeOf;","module.exports = { \"default\": require(\"core-js/library/fn/object/get-prototype-of\"), __esModule: true };","\"use strict\";\n\nexports.__esModule = true;\n\nexports.default = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};","var $export = require('./_export');\n// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n$export($export.S + $export.F * !require('./_descriptors'), 'Object', {defineProperty: require('./_object-dp').f});","require('../../modules/es6.object.define-property');\nvar $Object = require('../../modules/_core').Object;\nmodule.exports = function defineProperty(it, key, desc){\n  return $Object.defineProperty(it, key, desc);\n};","module.exports = { \"default\": require(\"core-js/library/fn/object/define-property\"), __esModule: true };","\"use strict\";\n\nexports.__esModule = true;\n\nvar _defineProperty = require(\"../core-js/object/define-property\");\n\nvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function () {\n  function defineProperties(target, props) {\n    for (var i = 0; i < props.length; i++) {\n      var descriptor = props[i];\n      descriptor.enumerable = descriptor.enumerable || false;\n      descriptor.configurable = true;\n      if (\"value\" in descriptor) descriptor.writable = true;\n      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n    }\n  }\n\n  return function (Constructor, protoProps, staticProps) {\n    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n    if (staticProps) defineProperties(Constructor, staticProps);\n    return Constructor;\n  };\n}();","// 7.1.4 ToInteger\nvar ceil  = Math.ceil\n  , floor = Math.floor;\nmodule.exports = function(it){\n  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);\n};","var toInteger = require('./_to-integer')\n  , defined   = require('./_defined');\n// true  -> String#at\n// false -> String#codePointAt\nmodule.exports = function(TO_STRING){\n  return function(that, pos){\n    var s = String(defined(that))\n      , i = toInteger(pos)\n      , l = s.length\n      , a, b;\n    if(i < 0 || i >= l)return TO_STRING ? '' : undefined;\n    a = s.charCodeAt(i);\n    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff\n      ? TO_STRING ? s.charAt(i) : a\n      : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;\n  };\n};","module.exports = true;","module.exports = require('./_hide');","module.exports = {};","var toString = {}.toString;\n\nmodule.exports = function(it){\n  return toString.call(it).slice(8, -1);\n};","// fallback for non-array-like ES3 and non-enumerable old V8 strings\nvar cof = require('./_cof');\nmodule.exports = Object('z').propertyIsEnumerable(0) ? Object : function(it){\n  return cof(it) == 'String' ? it.split('') : Object(it);\n};","// to indexed object, toObject with fallback for non-array-like ES3 strings\nvar IObject = require('./_iobject')\n  , defined = require('./_defined');\nmodule.exports = function(it){\n  return IObject(defined(it));\n};","// 7.1.15 ToLength\nvar toInteger = require('./_to-integer')\n  , min       = Math.min;\nmodule.exports = function(it){\n  return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991\n};","var toInteger = require('./_to-integer')\n  , max       = Math.max\n  , min       = Math.min;\nmodule.exports = function(index, length){\n  index = toInteger(index);\n  return index < 0 ? max(index + length, 0) : min(index, length);\n};","// false -> Array#indexOf\n// true  -> Array#includes\nvar toIObject = require('./_to-iobject')\n  , toLength  = require('./_to-length')\n  , toIndex   = require('./_to-index');\nmodule.exports = function(IS_INCLUDES){\n  return function($this, el, fromIndex){\n    var O      = toIObject($this)\n      , length = toLength(O.length)\n      , index  = toIndex(fromIndex, length)\n      , value;\n    // Array#includes uses SameValueZero equality algorithm\n    if(IS_INCLUDES && el != el)while(length > index){\n      value = O[index++];\n      if(value != value)return true;\n    // Array#toIndex ignores holes, Array#includes - not\n    } else for(;length > index; index++)if(IS_INCLUDES || index in O){\n      if(O[index] === el)return IS_INCLUDES || index || 0;\n    } return !IS_INCLUDES && -1;\n  };\n};","var has          = require('./_has')\n  , toIObject    = require('./_to-iobject')\n  , arrayIndexOf = require('./_array-includes')(false)\n  , IE_PROTO     = require('./_shared-key')('IE_PROTO');\n\nmodule.exports = function(object, names){\n  var O      = toIObject(object)\n    , i      = 0\n    , result = []\n    , key;\n  for(key in O)if(key != IE_PROTO)has(O, key) && result.push(key);\n  // Don't enum bug & hidden keys\n  while(names.length > i)if(has(O, key = names[i++])){\n    ~arrayIndexOf(result, key) || result.push(key);\n  }\n  return result;\n};","// IE 8- don't enum bug keys\nmodule.exports = (\n  'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'\n).split(',');","// 19.1.2.14 / 15.2.3.14 Object.keys(O)\nvar $keys       = require('./_object-keys-internal')\n  , enumBugKeys = require('./_enum-bug-keys');\n\nmodule.exports = Object.keys || function keys(O){\n  return $keys(O, enumBugKeys);\n};","var dP       = require('./_object-dp')\n  , anObject = require('./_an-object')\n  , getKeys  = require('./_object-keys');\n\nmodule.exports = require('./_descriptors') ? Object.defineProperties : function defineProperties(O, Properties){\n  anObject(O);\n  var keys   = getKeys(Properties)\n    , length = keys.length\n    , i = 0\n    , P;\n  while(length > i)dP.f(O, P = keys[i++], Properties[P]);\n  return O;\n};","module.exports = require('./_global').document && document.documentElement;","// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\nvar anObject    = require('./_an-object')\n  , dPs         = require('./_object-dps')\n  , enumBugKeys = require('./_enum-bug-keys')\n  , IE_PROTO    = require('./_shared-key')('IE_PROTO')\n  , Empty       = function(){ /* empty */ }\n  , PROTOTYPE   = 'prototype';\n\n// Create object with fake `null` prototype: use iframe Object with cleared prototype\nvar createDict = function(){\n  // Thrash, waste and sodomy: IE GC bug\n  var iframe = require('./_dom-create')('iframe')\n    , i      = enumBugKeys.length\n    , lt     = '<'\n    , gt     = '>'\n    , iframeDocument;\n  iframe.style.display = 'none';\n  require('./_html').appendChild(iframe);\n  iframe.src = 'javascript:'; // eslint-disable-line no-script-url\n  // createDict = iframe.contentWindow.Object;\n  // html.removeChild(iframe);\n  iframeDocument = iframe.contentWindow.document;\n  iframeDocument.open();\n  iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);\n  iframeDocument.close();\n  createDict = iframeDocument.F;\n  while(i--)delete createDict[PROTOTYPE][enumBugKeys[i]];\n  return createDict();\n};\n\nmodule.exports = Object.create || function create(O, Properties){\n  var result;\n  if(O !== null){\n    Empty[PROTOTYPE] = anObject(O);\n    result = new Empty;\n    Empty[PROTOTYPE] = null;\n    // add \"__proto__\" for Object.getPrototypeOf polyfill\n    result[IE_PROTO] = O;\n  } else result = createDict();\n  return Properties === undefined ? result : dPs(result, Properties);\n};\n","var store      = require('./_shared')('wks')\n  , uid        = require('./_uid')\n  , Symbol     = require('./_global').Symbol\n  , USE_SYMBOL = typeof Symbol == 'function';\n\nvar $exports = module.exports = function(name){\n  return store[name] || (store[name] =\n    USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name));\n};\n\n$exports.store = store;","var def = require('./_object-dp').f\n  , has = require('./_has')\n  , TAG = require('./_wks')('toStringTag');\n\nmodule.exports = function(it, tag, stat){\n  if(it && !has(it = stat ? it : it.prototype, TAG))def(it, TAG, {configurable: true, value: tag});\n};","'use strict';\nvar create         = require('./_object-create')\n  , descriptor     = require('./_property-desc')\n  , setToStringTag = require('./_set-to-string-tag')\n  , IteratorPrototype = {};\n\n// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()\nrequire('./_hide')(IteratorPrototype, require('./_wks')('iterator'), function(){ return this; });\n\nmodule.exports = function(Constructor, NAME, next){\n  Constructor.prototype = create(IteratorPrototype, {next: descriptor(1, next)});\n  setToStringTag(Constructor, NAME + ' Iterator');\n};","'use strict';\nvar LIBRARY        = require('./_library')\n  , $export        = require('./_export')\n  , redefine       = require('./_redefine')\n  , hide           = require('./_hide')\n  , has            = require('./_has')\n  , Iterators      = require('./_iterators')\n  , $iterCreate    = require('./_iter-create')\n  , setToStringTag = require('./_set-to-string-tag')\n  , getPrototypeOf = require('./_object-gpo')\n  , ITERATOR       = require('./_wks')('iterator')\n  , BUGGY          = !([].keys && 'next' in [].keys()) // Safari has buggy iterators w/o `next`\n  , FF_ITERATOR    = '@@iterator'\n  , KEYS           = 'keys'\n  , VALUES         = 'values';\n\nvar returnThis = function(){ return this; };\n\nmodule.exports = function(Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED){\n  $iterCreate(Constructor, NAME, next);\n  var getMethod = function(kind){\n    if(!BUGGY && kind in proto)return proto[kind];\n    switch(kind){\n      case KEYS: return function keys(){ return new Constructor(this, kind); };\n      case VALUES: return function values(){ return new Constructor(this, kind); };\n    } return function entries(){ return new Constructor(this, kind); };\n  };\n  var TAG        = NAME + ' Iterator'\n    , DEF_VALUES = DEFAULT == VALUES\n    , VALUES_BUG = false\n    , proto      = Base.prototype\n    , $native    = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT]\n    , $default   = $native || getMethod(DEFAULT)\n    , $entries   = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined\n    , $anyNative = NAME == 'Array' ? proto.entries || $native : $native\n    , methods, key, IteratorPrototype;\n  // Fix native\n  if($anyNative){\n    IteratorPrototype = getPrototypeOf($anyNative.call(new Base));\n    if(IteratorPrototype !== Object.prototype){\n      // Set @@toStringTag to native iterators\n      setToStringTag(IteratorPrototype, TAG, true);\n      // fix for some old engines\n      if(!LIBRARY && !has(IteratorPrototype, ITERATOR))hide(IteratorPrototype, ITERATOR, returnThis);\n    }\n  }\n  // fix Array#{values, @@iterator}.name in V8 / FF\n  if(DEF_VALUES && $native && $native.name !== VALUES){\n    VALUES_BUG = true;\n    $default = function values(){ return $native.call(this); };\n  }\n  // Define iterator\n  if((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])){\n    hide(proto, ITERATOR, $default);\n  }\n  // Plug for library\n  Iterators[NAME] = $default;\n  Iterators[TAG]  = returnThis;\n  if(DEFAULT){\n    methods = {\n      values:  DEF_VALUES ? $default : getMethod(VALUES),\n      keys:    IS_SET     ? $default : getMethod(KEYS),\n      entries: $entries\n    };\n    if(FORCED)for(key in methods){\n      if(!(key in proto))redefine(proto, key, methods[key]);\n    } else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods);\n  }\n  return methods;\n};","'use strict';\nvar $at  = require('./_string-at')(true);\n\n// 21.1.3.27 String.prototype[@@iterator]()\nrequire('./_iter-define')(String, 'String', function(iterated){\n  this._t = String(iterated); // target\n  this._i = 0;                // next index\n// 21.1.5.2.1 %StringIteratorPrototype%.next()\n}, function(){\n  var O     = this._t\n    , index = this._i\n    , point;\n  if(index >= O.length)return {value: undefined, done: true};\n  point = $at(O, index);\n  this._i += point.length;\n  return {value: point, done: false};\n});","module.exports = function(){ /* empty */ };","module.exports = function(done, value){\n  return {value: value, done: !!done};\n};","'use strict';\nvar addToUnscopables = require('./_add-to-unscopables')\n  , step             = require('./_iter-step')\n  , Iterators        = require('./_iterators')\n  , toIObject        = require('./_to-iobject');\n\n// 22.1.3.4 Array.prototype.entries()\n// 22.1.3.13 Array.prototype.keys()\n// 22.1.3.29 Array.prototype.values()\n// 22.1.3.30 Array.prototype[@@iterator]()\nmodule.exports = require('./_iter-define')(Array, 'Array', function(iterated, kind){\n  this._t = toIObject(iterated); // target\n  this._i = 0;                   // next index\n  this._k = kind;                // kind\n// 22.1.5.2.1 %ArrayIteratorPrototype%.next()\n}, function(){\n  var O     = this._t\n    , kind  = this._k\n    , index = this._i++;\n  if(!O || index >= O.length){\n    this._t = undefined;\n    return step(1);\n  }\n  if(kind == 'keys'  )return step(0, index);\n  if(kind == 'values')return step(0, O[index]);\n  return step(0, [index, O[index]]);\n}, 'values');\n\n// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)\nIterators.Arguments = Iterators.Array;\n\naddToUnscopables('keys');\naddToUnscopables('values');\naddToUnscopables('entries');","require('./es6.array.iterator');\nvar global        = require('./_global')\n  , hide          = require('./_hide')\n  , Iterators     = require('./_iterators')\n  , TO_STRING_TAG = require('./_wks')('toStringTag');\n\nfor(var collections = ['NodeList', 'DOMTokenList', 'MediaList', 'StyleSheetList', 'CSSRuleList'], i = 0; i < 5; i++){\n  var NAME       = collections[i]\n    , Collection = global[NAME]\n    , proto      = Collection && Collection.prototype;\n  if(proto && !proto[TO_STRING_TAG])hide(proto, TO_STRING_TAG, NAME);\n  Iterators[NAME] = Iterators.Array;\n}","exports.f = require('./_wks');","require('../../modules/es6.string.iterator');\nrequire('../../modules/web.dom.iterable');\nmodule.exports = require('../../modules/_wks-ext').f('iterator');","module.exports = { \"default\": require(\"core-js/library/fn/symbol/iterator\"), __esModule: true };","var META     = require('./_uid')('meta')\n  , isObject = require('./_is-object')\n  , has      = require('./_has')\n  , setDesc  = require('./_object-dp').f\n  , id       = 0;\nvar isExtensible = Object.isExtensible || function(){\n  return true;\n};\nvar FREEZE = !require('./_fails')(function(){\n  return isExtensible(Object.preventExtensions({}));\n});\nvar setMeta = function(it){\n  setDesc(it, META, {value: {\n    i: 'O' + ++id, // object ID\n    w: {}          // weak collections IDs\n  }});\n};\nvar fastKey = function(it, create){\n  // return primitive with prefix\n  if(!isObject(it))return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;\n  if(!has(it, META)){\n    // can't set metadata to uncaught frozen object\n    if(!isExtensible(it))return 'F';\n    // not necessary to add metadata\n    if(!create)return 'E';\n    // add missing metadata\n    setMeta(it);\n  // return object ID\n  } return it[META].i;\n};\nvar getWeak = function(it, create){\n  if(!has(it, META)){\n    // can't set metadata to uncaught frozen object\n    if(!isExtensible(it))return true;\n    // not necessary to add metadata\n    if(!create)return false;\n    // add missing metadata\n    setMeta(it);\n  // return hash weak collections IDs\n  } return it[META].w;\n};\n// add metadata on freeze-family methods calling\nvar onFreeze = function(it){\n  if(FREEZE && meta.NEED && isExtensible(it) && !has(it, META))setMeta(it);\n  return it;\n};\nvar meta = module.exports = {\n  KEY:      META,\n  NEED:     false,\n  fastKey:  fastKey,\n  getWeak:  getWeak,\n  onFreeze: onFreeze\n};","var global         = require('./_global')\n  , core           = require('./_core')\n  , LIBRARY        = require('./_library')\n  , wksExt         = require('./_wks-ext')\n  , defineProperty = require('./_object-dp').f;\nmodule.exports = function(name){\n  var $Symbol = core.Symbol || (core.Symbol = LIBRARY ? {} : global.Symbol || {});\n  if(name.charAt(0) != '_' && !(name in $Symbol))defineProperty($Symbol, name, {value: wksExt.f(name)});\n};","var getKeys   = require('./_object-keys')\n  , toIObject = require('./_to-iobject');\nmodule.exports = function(object, el){\n  var O      = toIObject(object)\n    , keys   = getKeys(O)\n    , length = keys.length\n    , index  = 0\n    , key;\n  while(length > index)if(O[key = keys[index++]] === el)return key;\n};","exports.f = Object.getOwnPropertySymbols;","exports.f = {}.propertyIsEnumerable;","// all enumerable object keys, includes symbols\nvar getKeys = require('./_object-keys')\n  , gOPS    = require('./_object-gops')\n  , pIE     = require('./_object-pie');\nmodule.exports = function(it){\n  var result     = getKeys(it)\n    , getSymbols = gOPS.f;\n  if(getSymbols){\n    var symbols = getSymbols(it)\n      , isEnum  = pIE.f\n      , i       = 0\n      , key;\n    while(symbols.length > i)if(isEnum.call(it, key = symbols[i++]))result.push(key);\n  } return result;\n};","// 7.2.2 IsArray(argument)\nvar cof = require('./_cof');\nmodule.exports = Array.isArray || function isArray(arg){\n  return cof(arg) == 'Array';\n};","// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)\nvar $keys      = require('./_object-keys-internal')\n  , hiddenKeys = require('./_enum-bug-keys').concat('length', 'prototype');\n\nexports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O){\n  return $keys(O, hiddenKeys);\n};","// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window\nvar toIObject = require('./_to-iobject')\n  , gOPN      = require('./_object-gopn').f\n  , toString  = {}.toString;\n\nvar windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames\n  ? Object.getOwnPropertyNames(window) : [];\n\nvar getWindowNames = function(it){\n  try {\n    return gOPN(it);\n  } catch(e){\n    return windowNames.slice();\n  }\n};\n\nmodule.exports.f = function getOwnPropertyNames(it){\n  return windowNames && toString.call(it) == '[object Window]' ? getWindowNames(it) : gOPN(toIObject(it));\n};\n","var pIE            = require('./_object-pie')\n  , createDesc     = require('./_property-desc')\n  , toIObject      = require('./_to-iobject')\n  , toPrimitive    = require('./_to-primitive')\n  , has            = require('./_has')\n  , IE8_DOM_DEFINE = require('./_ie8-dom-define')\n  , gOPD           = Object.getOwnPropertyDescriptor;\n\nexports.f = require('./_descriptors') ? gOPD : function getOwnPropertyDescriptor(O, P){\n  O = toIObject(O);\n  P = toPrimitive(P, true);\n  if(IE8_DOM_DEFINE)try {\n    return gOPD(O, P);\n  } catch(e){ /* empty */ }\n  if(has(O, P))return createDesc(!pIE.f.call(O, P), O[P]);\n};","'use strict';\n// ECMAScript 6 symbols shim\nvar global         = require('./_global')\n  , has            = require('./_has')\n  , DESCRIPTORS    = require('./_descriptors')\n  , $export        = require('./_export')\n  , redefine       = require('./_redefine')\n  , META           = require('./_meta').KEY\n  , $fails         = require('./_fails')\n  , shared         = require('./_shared')\n  , setToStringTag = require('./_set-to-string-tag')\n  , uid            = require('./_uid')\n  , wks            = require('./_wks')\n  , wksExt         = require('./_wks-ext')\n  , wksDefine      = require('./_wks-define')\n  , keyOf          = require('./_keyof')\n  , enumKeys       = require('./_enum-keys')\n  , isArray        = require('./_is-array')\n  , anObject       = require('./_an-object')\n  , toIObject      = require('./_to-iobject')\n  , toPrimitive    = require('./_to-primitive')\n  , createDesc     = require('./_property-desc')\n  , _create        = require('./_object-create')\n  , gOPNExt        = require('./_object-gopn-ext')\n  , $GOPD          = require('./_object-gopd')\n  , $DP            = require('./_object-dp')\n  , $keys          = require('./_object-keys')\n  , gOPD           = $GOPD.f\n  , dP             = $DP.f\n  , gOPN           = gOPNExt.f\n  , $Symbol        = global.Symbol\n  , $JSON          = global.JSON\n  , _stringify     = $JSON && $JSON.stringify\n  , PROTOTYPE      = 'prototype'\n  , HIDDEN         = wks('_hidden')\n  , TO_PRIMITIVE   = wks('toPrimitive')\n  , isEnum         = {}.propertyIsEnumerable\n  , SymbolRegistry = shared('symbol-registry')\n  , AllSymbols     = shared('symbols')\n  , OPSymbols      = shared('op-symbols')\n  , ObjectProto    = Object[PROTOTYPE]\n  , USE_NATIVE     = typeof $Symbol == 'function'\n  , QObject        = global.QObject;\n// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173\nvar setter = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;\n\n// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687\nvar setSymbolDesc = DESCRIPTORS && $fails(function(){\n  return _create(dP({}, 'a', {\n    get: function(){ return dP(this, 'a', {value: 7}).a; }\n  })).a != 7;\n}) ? function(it, key, D){\n  var protoDesc = gOPD(ObjectProto, key);\n  if(protoDesc)delete ObjectProto[key];\n  dP(it, key, D);\n  if(protoDesc && it !== ObjectProto)dP(ObjectProto, key, protoDesc);\n} : dP;\n\nvar wrap = function(tag){\n  var sym = AllSymbols[tag] = _create($Symbol[PROTOTYPE]);\n  sym._k = tag;\n  return sym;\n};\n\nvar isSymbol = USE_NATIVE && typeof $Symbol.iterator == 'symbol' ? function(it){\n  return typeof it == 'symbol';\n} : function(it){\n  return it instanceof $Symbol;\n};\n\nvar $defineProperty = function defineProperty(it, key, D){\n  if(it === ObjectProto)$defineProperty(OPSymbols, key, D);\n  anObject(it);\n  key = toPrimitive(key, true);\n  anObject(D);\n  if(has(AllSymbols, key)){\n    if(!D.enumerable){\n      if(!has(it, HIDDEN))dP(it, HIDDEN, createDesc(1, {}));\n      it[HIDDEN][key] = true;\n    } else {\n      if(has(it, HIDDEN) && it[HIDDEN][key])it[HIDDEN][key] = false;\n      D = _create(D, {enumerable: createDesc(0, false)});\n    } return setSymbolDesc(it, key, D);\n  } return dP(it, key, D);\n};\nvar $defineProperties = function defineProperties(it, P){\n  anObject(it);\n  var keys = enumKeys(P = toIObject(P))\n    , i    = 0\n    , l = keys.length\n    , key;\n  while(l > i)$defineProperty(it, key = keys[i++], P[key]);\n  return it;\n};\nvar $create = function create(it, P){\n  return P === undefined ? _create(it) : $defineProperties(_create(it), P);\n};\nvar $propertyIsEnumerable = function propertyIsEnumerable(key){\n  var E = isEnum.call(this, key = toPrimitive(key, true));\n  if(this === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key))return false;\n  return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key] ? E : true;\n};\nvar $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key){\n  it  = toIObject(it);\n  key = toPrimitive(key, true);\n  if(it === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key))return;\n  var D = gOPD(it, key);\n  if(D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key]))D.enumerable = true;\n  return D;\n};\nvar $getOwnPropertyNames = function getOwnPropertyNames(it){\n  var names  = gOPN(toIObject(it))\n    , result = []\n    , i      = 0\n    , key;\n  while(names.length > i){\n    if(!has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META)result.push(key);\n  } return result;\n};\nvar $getOwnPropertySymbols = function getOwnPropertySymbols(it){\n  var IS_OP  = it === ObjectProto\n    , names  = gOPN(IS_OP ? OPSymbols : toIObject(it))\n    , result = []\n    , i      = 0\n    , key;\n  while(names.length > i){\n    if(has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectProto, key) : true))result.push(AllSymbols[key]);\n  } return result;\n};\n\n// 19.4.1.1 Symbol([description])\nif(!USE_NATIVE){\n  $Symbol = function Symbol(){\n    if(this instanceof $Symbol)throw TypeError('Symbol is not a constructor!');\n    var tag = uid(arguments.length > 0 ? arguments[0] : undefined);\n    var $set = function(value){\n      if(this === ObjectProto)$set.call(OPSymbols, value);\n      if(has(this, HIDDEN) && has(this[HIDDEN], tag))this[HIDDEN][tag] = false;\n      setSymbolDesc(this, tag, createDesc(1, value));\n    };\n    if(DESCRIPTORS && setter)setSymbolDesc(ObjectProto, tag, {configurable: true, set: $set});\n    return wrap(tag);\n  };\n  redefine($Symbol[PROTOTYPE], 'toString', function toString(){\n    return this._k;\n  });\n\n  $GOPD.f = $getOwnPropertyDescriptor;\n  $DP.f   = $defineProperty;\n  require('./_object-gopn').f = gOPNExt.f = $getOwnPropertyNames;\n  require('./_object-pie').f  = $propertyIsEnumerable;\n  require('./_object-gops').f = $getOwnPropertySymbols;\n\n  if(DESCRIPTORS && !require('./_library')){\n    redefine(ObjectProto, 'propertyIsEnumerable', $propertyIsEnumerable, true);\n  }\n\n  wksExt.f = function(name){\n    return wrap(wks(name));\n  }\n}\n\n$export($export.G + $export.W + $export.F * !USE_NATIVE, {Symbol: $Symbol});\n\nfor(var symbols = (\n  // 19.4.2.2, 19.4.2.3, 19.4.2.4, 19.4.2.6, 19.4.2.8, 19.4.2.9, 19.4.2.10, 19.4.2.11, 19.4.2.12, 19.4.2.13, 19.4.2.14\n  'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'\n).split(','), i = 0; symbols.length > i; )wks(symbols[i++]);\n\nfor(var symbols = $keys(wks.store), i = 0; symbols.length > i; )wksDefine(symbols[i++]);\n\n$export($export.S + $export.F * !USE_NATIVE, 'Symbol', {\n  // 19.4.2.1 Symbol.for(key)\n  'for': function(key){\n    return has(SymbolRegistry, key += '')\n      ? SymbolRegistry[key]\n      : SymbolRegistry[key] = $Symbol(key);\n  },\n  // 19.4.2.5 Symbol.keyFor(sym)\n  keyFor: function keyFor(key){\n    if(isSymbol(key))return keyOf(SymbolRegistry, key);\n    throw TypeError(key + ' is not a symbol!');\n  },\n  useSetter: function(){ setter = true; },\n  useSimple: function(){ setter = false; }\n});\n\n$export($export.S + $export.F * !USE_NATIVE, 'Object', {\n  // 19.1.2.2 Object.create(O [, Properties])\n  create: $create,\n  // 19.1.2.4 Object.defineProperty(O, P, Attributes)\n  defineProperty: $defineProperty,\n  // 19.1.2.3 Object.defineProperties(O, Properties)\n  defineProperties: $defineProperties,\n  // 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)\n  getOwnPropertyDescriptor: $getOwnPropertyDescriptor,\n  // 19.1.2.7 Object.getOwnPropertyNames(O)\n  getOwnPropertyNames: $getOwnPropertyNames,\n  // 19.1.2.8 Object.getOwnPropertySymbols(O)\n  getOwnPropertySymbols: $getOwnPropertySymbols\n});\n\n// 24.3.2 JSON.stringify(value [, replacer [, space]])\n$JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function(){\n  var S = $Symbol();\n  // MS Edge converts symbol values to JSON as {}\n  // WebKit converts symbol values to JSON as null\n  // V8 throws on boxed symbols\n  return _stringify([S]) != '[null]' || _stringify({a: S}) != '{}' || _stringify(Object(S)) != '{}';\n})), 'JSON', {\n  stringify: function stringify(it){\n    if(it === undefined || isSymbol(it))return; // IE8 returns string on undefined\n    var args = [it]\n      , i    = 1\n      , replacer, $replacer;\n    while(arguments.length > i)args.push(arguments[i++]);\n    replacer = args[1];\n    if(typeof replacer == 'function')$replacer = replacer;\n    if($replacer || !isArray(replacer))replacer = function(key, value){\n      if($replacer)value = $replacer.call(this, key, value);\n      if(!isSymbol(value))return value;\n    };\n    args[1] = replacer;\n    return _stringify.apply($JSON, args);\n  }\n});\n\n// 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)\n$Symbol[PROTOTYPE][TO_PRIMITIVE] || require('./_hide')($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);\n// 19.4.3.5 Symbol.prototype[@@toStringTag]\nsetToStringTag($Symbol, 'Symbol');\n// 20.2.1.9 Math[@@toStringTag]\nsetToStringTag(Math, 'Math', true);\n// 24.3.3 JSON[@@toStringTag]\nsetToStringTag(global.JSON, 'JSON', true);","require('./_wks-define')('asyncIterator');","require('./_wks-define')('observable');","require('../../modules/es6.symbol');\nrequire('../../modules/es6.object.to-string');\nrequire('../../modules/es7.symbol.async-iterator');\nrequire('../../modules/es7.symbol.observable');\nmodule.exports = require('../../modules/_core').Symbol;","module.exports = { \"default\": require(\"core-js/library/fn/symbol\"), __esModule: true };","\"use strict\";\n\nexports.__esModule = true;\n\nvar _iterator = require(\"../core-js/symbol/iterator\");\n\nvar _iterator2 = _interopRequireDefault(_iterator);\n\nvar _symbol = require(\"../core-js/symbol\");\n\nvar _symbol2 = _interopRequireDefault(_symbol);\n\nvar _typeof = typeof _symbol2.default === \"function\" && typeof _iterator2.default === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof _symbol2.default === \"function\" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? \"symbol\" : typeof obj; };\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = typeof _symbol2.default === \"function\" && _typeof(_iterator2.default) === \"symbol\" ? function (obj) {\n  return typeof obj === \"undefined\" ? \"undefined\" : _typeof(obj);\n} : function (obj) {\n  return obj && typeof _symbol2.default === \"function\" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? \"symbol\" : typeof obj === \"undefined\" ? \"undefined\" : _typeof(obj);\n};","\"use strict\";\n\nexports.__esModule = true;\n\nvar _typeof2 = require(\"../helpers/typeof\");\n\nvar _typeof3 = _interopRequireDefault(_typeof2);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function (self, call) {\n  if (!self) {\n    throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n  }\n\n  return call && ((typeof call === \"undefined\" ? \"undefined\" : (0, _typeof3.default)(call)) === \"object\" || typeof call === \"function\") ? call : self;\n};","// Works with __proto__ only. Old v8 can't work with null proto objects.\n/* eslint-disable no-proto */\nvar isObject = require('./_is-object')\n  , anObject = require('./_an-object');\nvar check = function(O, proto){\n  anObject(O);\n  if(!isObject(proto) && proto !== null)throw TypeError(proto + \": can't set as prototype!\");\n};\nmodule.exports = {\n  set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line\n    function(test, buggy, set){\n      try {\n        set = require('./_ctx')(Function.call, require('./_object-gopd').f(Object.prototype, '__proto__').set, 2);\n        set(test, []);\n        buggy = !(test instanceof Array);\n      } catch(e){ buggy = true; }\n      return function setPrototypeOf(O, proto){\n        check(O, proto);\n        if(buggy)O.__proto__ = proto;\n        else set(O, proto);\n        return O;\n      };\n    }({}, false) : undefined),\n  check: check\n};","// 19.1.3.19 Object.setPrototypeOf(O, proto)\nvar $export = require('./_export');\n$export($export.S, 'Object', {setPrototypeOf: require('./_set-proto').set});","require('../../modules/es6.object.set-prototype-of');\nmodule.exports = require('../../modules/_core').Object.setPrototypeOf;","module.exports = { \"default\": require(\"core-js/library/fn/object/set-prototype-of\"), __esModule: true };","var $export = require('./_export')\n// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\n$export($export.S, 'Object', {create: require('./_object-create')});","require('../../modules/es6.object.create');\nvar $Object = require('../../modules/_core').Object;\nmodule.exports = function create(P, D){\n  return $Object.create(P, D);\n};","module.exports = { \"default\": require(\"core-js/library/fn/object/create\"), __esModule: true };","\"use strict\";\n\nexports.__esModule = true;\n\nvar _setPrototypeOf = require(\"../core-js/object/set-prototype-of\");\n\nvar _setPrototypeOf2 = _interopRequireDefault(_setPrototypeOf);\n\nvar _create = require(\"../core-js/object/create\");\n\nvar _create2 = _interopRequireDefault(_create);\n\nvar _typeof2 = require(\"../helpers/typeof\");\n\nvar _typeof3 = _interopRequireDefault(_typeof2);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function (subClass, superClass) {\n  if (typeof superClass !== \"function\" && superClass !== null) {\n    throw new TypeError(\"Super expression must either be null or a function, not \" + (typeof superClass === \"undefined\" ? \"undefined\" : (0, _typeof3.default)(superClass)));\n  }\n\n  subClass.prototype = (0, _create2.default)(superClass && superClass.prototype, {\n    constructor: {\n      value: subClass,\n      enumerable: false,\n      writable: true,\n      configurable: true\n    }\n  });\n  if (superClass) _setPrototypeOf2.default ? (0, _setPrototypeOf2.default)(subClass, superClass) : subClass.__proto__ = superClass;\n};","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/**\n * Contains utility methods that are useful throughout the library.\n *\n * @public\n */\nclass Utilities {\n\n  /**\n   * Returns the absolute value of a given number.\n   *\n   * This method is simply a convenient shorthand for <code>Math.abs</code> while ensuring that nulls are returned as\n   * <code>null</code> instead of zero.\n   *\n   * @param {number} value - the number whose absolute value is to be returned\n   * @return {number} The absolute value of <code>value</code> or <code>null</code> if <code>value</code> is\n   * <code>null</code>.\n   * @public\n   * @static\n   */\n  static abs(value) {\n    return value != null ? Math.abs(value) : null;\n  }\n\n  /**\n   * Returns whether the specified <code>object</code> has a property with the specified <code>name</code> as an own\n   * (not inherited) property.\n   *\n   * @param {Object} object - the object on which the property is to be checked\n   * @param {string} name - the name of the property to be checked\n   * @return {boolean} <code>true</code> if <code>object</code> has an own property with <code>name</code>.\n   * @public\n   * @static\n   */\n  static hasOwn(object, name) {\n    return Object.prototype.hasOwnProperty.call(object, name);\n  }\n\n  /**\n   * Throws an error indicating that the a given method on a specific class has not been implemented.\n   *\n   * @param {string} className - the name of the class on which the method has not been implemented\n   * @param {string} methodName - the name of the method which has not been implemented\n   * @return {void}\n   * @throws {Error} The error describing the class method which has not been implemented.\n   * @public\n   * @static\n   */\n  static throwUnimplemented(className, methodName) {\n    throw new Error(`\"${methodName}\" method must be implemented on the ${className} class`);\n  }\n\n  /**\n   * Transforms the specified <code>string</code> to upper case while remaining null-safe.\n   *\n   * @param {string} string - the string to be transformed to upper case\n   * @return {string} <code>string</code> transformed to upper case if <code>string</code> is not <code>null</code>.\n   * @public\n   * @static\n   */\n  static toUpperCase(string) {\n    return string != null ? string.toUpperCase() : null;\n  }\n\n}\n\nexport default Utilities;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Utilities from '../util/Utilities';\n\n/**\n * Defines a service contract that must be met by all implementations.\n *\n * @public\n */\nclass Service {\n\n  /**\n   * Returns the name of this {@link Service}.\n   *\n   * @return {string} The service name.\n   * @public\n   */\n  getName() {\n    Utilities.throwUnimplemented('Service', 'getName');\n  }\n\n}\n\nexport default Service;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Service from '../Service';\nimport Utilities from '../../util/Utilities';\n\n/**\n * A service for working with elements.\n *\n * @public\n * @extends Service\n */\nclass ElementService extends Service {\n\n  /**\n   * Creates an instance of a canvas element.\n   *\n   * @return {*} The newly created canvas element.\n   * @public\n   */\n  createCanvas() {\n    Utilities.throwUnimplemented('ElementService', 'createCanvas');\n  }\n\n  /**\n   * Creates an instance of a image element.\n   *\n   * @return {*} The newly created image element.\n   * @public\n   */\n  createImage() {\n    Utilities.throwUnimplemented('ElementService', 'createImage');\n  }\n\n  /**\n   * @override\n   */\n  getName() {\n    return 'element';\n  }\n\n  /**\n   * Returns whether the specified <code>element</code> is a canvas.\n   *\n   * @param {*} element - the element to be checked\n   * @return {boolean} <code>true</code> if <code>element</code> is a canvas; otherwise <code>false</code>.\n   * @public\n   */\n  isCanvas(element) {\n    Utilities.throwUnimplemented('ElementService', 'isCanvas');\n  }\n\n  /**\n   * Returns whether the specified <code>element</code> is an image.\n   *\n   * @param {*} element - the element to be checked\n   * @return {boolean} <code>true</code> if <code>element</code> is an image; otherwise <code>false</code>.\n   * @public\n   */\n  isImage(element) {\n    Utilities.throwUnimplemented('ElementService', 'isImage');\n  }\n\n}\n\nexport default ElementService;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport ElementService from './ElementService';\n\n/**\n * An implementation of {@link ElementService} intended for use within a browser environment.\n *\n * @public\n * @extends ElementService\n */\nclass BrowserElementService extends ElementService {\n\n  /**\n   * @override\n   */\n  createCanvas() {\n    return document.createElement('canvas');\n  }\n\n  /**\n   * @override\n   */\n  createImage() {\n    return document.createElement('img');\n  }\n\n  /**\n   * @override\n   */\n  isCanvas(element) {\n    return element instanceof HTMLCanvasElement;\n  }\n\n  /**\n   * @override\n   */\n  isImage(element) {\n    return element instanceof HTMLImageElement;\n  }\n\n}\n\nexport default BrowserElementService;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Utilities from '../util/Utilities';\n\n/**\n * Responsible for rendering a QR code {@link Frame} on a specific type of element.\n *\n * A renderer may be dependant on the rendering of another element, so the ordering of their execution is important.\n *\n * The rendering of a element can be deferred by disabling the renderer initially, however, any attempt get the element\n * from the renderer will result in it being immediately enabled and the element being rendered.\n *\n * @public\n */\nclass Renderer {\n\n  /**\n   * Creates a new instance of {@link Renderer} for the <code>qrious</code> instance and <code>element</code> provided.\n   *\n   * @param {QRious} qrious - the {@link QRious} instance to be used\n   * @param {*} element - the element onto which the QR code is to be rendered\n   * @param {boolean} [enabled] - <code>true</code> this {@link Renderer} is enabled; otherwise <code>false</code>.\n   * @public\n   */\n  constructor(qrious, element, enabled) {\n    /**\n     * The {@link QRious} instance.\n     *\n     * @protected\n     * @type {QRious}\n     */\n    this.qrious = qrious;\n\n    /**\n     * The element onto which this {@link Renderer} is rendering the QR code.\n     *\n     * @protected\n     * @type {*}\n     */\n    this.element = element;\n    this.element.qrious = qrious;\n\n    /**\n     * Whether this {@link Renderer} is enabled.\n     *\n     * @protected\n     * @type {boolean}\n     */\n    this.enabled = Boolean(enabled);\n  }\n\n  /**\n   * Draws the specified QR code <code>frame</code> on the underlying element.\n   *\n   * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.\n   *\n   * @param {Frame} frame - the {@link Frame} to be drawn\n   * @return {void}\n   * @protected\n   */\n  draw(frame) {\n    Utilities.throwUnimplemented('Renderer', 'draw');\n  }\n\n  /**\n   * Returns the element onto which this {@link Renderer} is rendering the QR code.\n   *\n   * If this method is called while this {@link Renderer} is disabled, it will be immediately enabled and rendered\n   * before the element is returned.\n   *\n   * @return {*} The element.\n   * @public\n   */\n  getElement() {\n    if (!this.enabled) {\n      this.enabled = true;\n      this.render();\n    }\n\n    return this.element;\n  }\n\n  /**\n   * Calculates the size (in pixel units) to represent an individual module within the QR code based on the\n   * <code>frame</code> provided.\n   *\n   * Any configured padding will be excluded from the returned size.\n   *\n   * The returned value will be at least one, even in cases where the size of the QR code does not fit its contents.\n   * This is done so that the inevitable clipping is handled more gracefully since this way at least something is\n   * displayed instead of just a blank space filled by the background color.\n   *\n   * @param {Frame} frame - the {@link Frame} from which the module size is to be derived\n   * @return {number} The pixel size for each module in the QR code which will be no less than one.\n   * @protected\n   */\n  getModuleSize(frame) {\n    const qrious = this.qrious;\n    const padding = qrious.padding || 0;\n    const pixels = Math.floor((qrious.size - (padding * 2)) / frame.width);\n\n    return Math.max(1, pixels);\n  }\n\n  /**\n   * Calculates the offset/padding (in pixel units) to be inserted before the QR code based on the <code>frame</code>\n   * provided.\n   *\n   * The returned value will be zero if there is no available offset or if the size of the QR code does not fit its\n   * contents. It will never be a negative value. This is done so that the inevitable clipping appears more naturally\n   * and it is not clipped from all directions.\n   *\n   * @param {Frame} frame - the {@link Frame} from which the offset is to be derived\n   * @return {number} The pixel offset for the QR code which will be no less than zero.\n   * @protected\n   */\n  getOffset(frame) {\n    const qrious = this.qrious;\n    const padding = qrious.padding;\n\n    if (padding != null) {\n      return padding;\n    }\n\n    const moduleSize = this.getModuleSize(frame);\n    const offset = Math.floor((qrious.size - (moduleSize * frame.width)) / 2);\n\n    return Math.max(0, offset);\n  }\n\n  /**\n   * Renders a QR code on the underlying element based on the <code>frame</code> provided.\n   *\n   * @param {Frame} frame - the {@link Frame} to be rendered\n   * @return {void}\n   * @public\n   */\n  render(frame) {\n    if (this.enabled) {\n      this.resize();\n      this.reset();\n      this.draw(frame);\n    }\n  }\n\n  /**\n   * Resets the underlying element, effectively clearing any previously rendered QR code.\n   *\n   * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.\n   *\n   * @return {void}\n   * @protected\n   */\n  reset() {\n    Utilities.throwUnimplemented('Renderer', 'reset');\n  }\n\n  /**\n   * Ensures that the size of the underlying element matches that defined on the associated {@link QRious} instance.\n   *\n   * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.\n   *\n   * @return {void}\n   * @protected\n   */\n  resize() {\n    Utilities.throwUnimplemented('Renderer', 'resize');\n  }\n\n}\n\nexport default Renderer;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Renderer from './Renderer';\n\n/**\n * An implementation of {@link Renderer} for working with <code>canvas</code> elements.\n *\n * @public\n * @extends Renderer\n */\nclass CanvasRenderer extends Renderer {\n\n  /**\n   * @override\n   */\n  draw(frame) {\n    const qrious = this.qrious;\n    const moduleSize = this.getModuleSize(frame);\n    const offset = this.getOffset(frame);\n    const context = this.element.getContext('2d');\n\n    context.fillStyle = qrious.foreground;\n    context.globalAlpha = qrious.foregroundAlpha;\n\n    for (let i = 0; i < frame.width; i++) {\n      for (let j = 0; j < frame.width; j++) {\n        if (frame.buffer[(j * frame.width) + i]) {\n          context.fillRect((moduleSize * i) + offset, (moduleSize * j) + offset, moduleSize, moduleSize);\n        }\n      }\n    }\n  }\n\n  /**\n   * @override\n   */\n  reset() {\n    const qrious = this.qrious;\n    const context = this.element.getContext('2d');\n    const size = qrious.size;\n\n    context.lineWidth = 1;\n    context.clearRect(0, 0, size, size);\n    context.fillStyle = qrious.background;\n    context.globalAlpha = qrious.backgroundAlpha;\n    context.fillRect(0, 0, size, size);\n  }\n\n  /**\n   * @override\n   */\n  resize() {\n    this.element.width = this.element.height = this.qrious.size;\n  }\n\n}\n\nexport default CanvasRenderer;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/* eslint no-multi-spaces: \"off\" */\n\n/**\n * Contains alignment pattern information.\n *\n * @public\n */\nclass Alignment {\n\n  /**\n   * Returns the alignment pattern block.\n   *\n   * @return {number[]} The alignment pattern block.\n   * @public\n   * @static\n   */\n  static get BLOCK() {\n    return [\n      0,  11, 15, 19, 23, 27, 31,\n      16, 18, 20, 22, 24, 26, 28, 20, 22, 24, 24, 26, 28, 28, 22, 24, 24,\n      26, 26, 28, 28, 24, 24, 26, 26, 26, 28, 28, 24, 26, 26, 26, 28, 28\n    ];\n  }\n\n}\n\nexport default Alignment;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/* eslint no-multi-spaces: \"off\" */\n\n/**\n * Contains error correction information.\n *\n * @public\n */\nclass ErrorCorrection {\n\n  /**\n   * Returns the error correction blocks.\n   *\n   * There are four elements per version. The first two indicate the number of blocks, then the data width, and finally\n   * the ECC width.\n   *\n   * @return {number[]} The ECC blocks.\n   * @public\n   * @static\n   */\n  static get BLOCKS() {\n    return [\n      1,  0,  19,  7,     1,  0,  16,  10,    1,  0,  13,  13,    1,  0,  9,   17,\n      1,  0,  34,  10,    1,  0,  28,  16,    1,  0,  22,  22,    1,  0,  16,  28,\n      1,  0,  55,  15,    1,  0,  44,  26,    2,  0,  17,  18,    2,  0,  13,  22,\n      1,  0,  80,  20,    2,  0,  32,  18,    2,  0,  24,  26,    4,  0,  9,   16,\n      1,  0,  108, 26,    2,  0,  43,  24,    2,  2,  15,  18,    2,  2,  11,  22,\n      2,  0,  68,  18,    4,  0,  27,  16,    4,  0,  19,  24,    4,  0,  15,  28,\n      2,  0,  78,  20,    4,  0,  31,  18,    2,  4,  14,  18,    4,  1,  13,  26,\n      2,  0,  97,  24,    2,  2,  38,  22,    4,  2,  18,  22,    4,  2,  14,  26,\n      2,  0,  116, 30,    3,  2,  36,  22,    4,  4,  16,  20,    4,  4,  12,  24,\n      2,  2,  68,  18,    4,  1,  43,  26,    6,  2,  19,  24,    6,  2,  15,  28,\n      4,  0,  81,  20,    1,  4,  50,  30,    4,  4,  22,  28,    3,  8,  12,  24,\n      2,  2,  92,  24,    6,  2,  36,  22,    4,  6,  20,  26,    7,  4,  14,  28,\n      4,  0,  107, 26,    8,  1,  37,  22,    8,  4,  20,  24,    12, 4,  11,  22,\n      3,  1,  115, 30,    4,  5,  40,  24,    11, 5,  16,  20,    11, 5,  12,  24,\n      5,  1,  87,  22,    5,  5,  41,  24,    5,  7,  24,  30,    11, 7,  12,  24,\n      5,  1,  98,  24,    7,  3,  45,  28,    15, 2,  19,  24,    3,  13, 15,  30,\n      1,  5,  107, 28,    10, 1,  46,  28,    1,  15, 22,  28,    2,  17, 14,  28,\n      5,  1,  120, 30,    9,  4,  43,  26,    17, 1,  22,  28,    2,  19, 14,  28,\n      3,  4,  113, 28,    3,  11, 44,  26,    17, 4,  21,  26,    9,  16, 13,  26,\n      3,  5,  107, 28,    3,  13, 41,  26,    15, 5,  24,  30,    15, 10, 15,  28,\n      4,  4,  116, 28,    17, 0,  42,  26,    17, 6,  22,  28,    19, 6,  16,  30,\n      2,  7,  111, 28,    17, 0,  46,  28,    7,  16, 24,  30,    34, 0,  13,  24,\n      4,  5,  121, 30,    4,  14, 47,  28,    11, 14, 24,  30,    16, 14, 15,  30,\n      6,  4,  117, 30,    6,  14, 45,  28,    11, 16, 24,  30,    30, 2,  16,  30,\n      8,  4,  106, 26,    8,  13, 47,  28,    7,  22, 24,  30,    22, 13, 15,  30,\n      10, 2,  114, 28,    19, 4,  46,  28,    28, 6,  22,  28,    33, 4,  16,  30,\n      8,  4,  122, 30,    22, 3,  45,  28,    8,  26, 23,  30,    12, 28, 15,  30,\n      3,  10, 117, 30,    3,  23, 45,  28,    4,  31, 24,  30,    11, 31, 15,  30,\n      7,  7,  116, 30,    21, 7,  45,  28,    1,  37, 23,  30,    19, 26, 15,  30,\n      5,  10, 115, 30,    19, 10, 47,  28,    15, 25, 24,  30,    23, 25, 15,  30,\n      13, 3,  115, 30,    2,  29, 46,  28,    42, 1,  24,  30,    23, 28, 15,  30,\n      17, 0,  115, 30,    10, 23, 46,  28,    10, 35, 24,  30,    19, 35, 15,  30,\n      17, 1,  115, 30,    14, 21, 46,  28,    29, 19, 24,  30,    11, 46, 15,  30,\n      13, 6,  115, 30,    14, 23, 46,  28,    44, 7,  24,  30,    59, 1,  16,  30,\n      12, 7,  121, 30,    12, 26, 47,  28,    39, 14, 24,  30,    22, 41, 15,  30,\n      6,  14, 121, 30,    6,  34, 47,  28,    46, 10, 24,  30,    2,  64, 15,  30,\n      17, 4,  122, 30,    29, 14, 46,  28,    49, 10, 24,  30,    24, 46, 15,  30,\n      4,  18, 122, 30,    13, 32, 46,  28,    48, 14, 24,  30,    42, 32, 15,  30,\n      20, 4,  117, 30,    40, 7,  47,  28,    43, 22, 24,  30,    10, 67, 15,  30,\n      19, 6,  118, 30,    18, 31, 47,  28,    34, 34, 24,  30,    20, 61, 15,  30\n    ];\n  }\n\n  /**\n   * Returns the final format bits with mask (level << 3 | mask).\n   *\n   * @return {number[]} The final format bits.\n   * @public\n   * @static\n   */\n  static get FINAL_FORMAT() {\n    return [\n      // L\n      0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976,\n      // M\n      0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0,\n      // Q\n      0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed,\n      // H\n      0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b\n    ];\n  }\n\n  /**\n   * Returns a map of human-readable ECC levels.\n   *\n   * @return {Object<string, number>} A ECC level mapping.\n   * @public\n   * @static\n   */\n  static get LEVELS() {\n    return {\n      L: 1,\n      M: 2,\n      Q: 3,\n      H: 4\n    };\n  }\n\n}\n\nexport default ErrorCorrection;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/**\n * Contains Galois field information.\n *\n * @public\n */\nclass Galois {\n\n  /**\n   * Returns the Galois field exponent table.\n   *\n   * @return {number[]} The Galois field exponent table.\n   * @public\n   * @static\n   */\n  static get EXPONENT() {\n    return [\n      0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1d, 0x3a, 0x74, 0xe8, 0xcd, 0x87, 0x13, 0x26,\n      0x4c, 0x98, 0x2d, 0x5a, 0xb4, 0x75, 0xea, 0xc9, 0x8f, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0,\n      0x9d, 0x27, 0x4e, 0x9c, 0x25, 0x4a, 0x94, 0x35, 0x6a, 0xd4, 0xb5, 0x77, 0xee, 0xc1, 0x9f, 0x23,\n      0x46, 0x8c, 0x05, 0x0a, 0x14, 0x28, 0x50, 0xa0, 0x5d, 0xba, 0x69, 0xd2, 0xb9, 0x6f, 0xde, 0xa1,\n      0x5f, 0xbe, 0x61, 0xc2, 0x99, 0x2f, 0x5e, 0xbc, 0x65, 0xca, 0x89, 0x0f, 0x1e, 0x3c, 0x78, 0xf0,\n      0xfd, 0xe7, 0xd3, 0xbb, 0x6b, 0xd6, 0xb1, 0x7f, 0xfe, 0xe1, 0xdf, 0xa3, 0x5b, 0xb6, 0x71, 0xe2,\n      0xd9, 0xaf, 0x43, 0x86, 0x11, 0x22, 0x44, 0x88, 0x0d, 0x1a, 0x34, 0x68, 0xd0, 0xbd, 0x67, 0xce,\n      0x81, 0x1f, 0x3e, 0x7c, 0xf8, 0xed, 0xc7, 0x93, 0x3b, 0x76, 0xec, 0xc5, 0x97, 0x33, 0x66, 0xcc,\n      0x85, 0x17, 0x2e, 0x5c, 0xb8, 0x6d, 0xda, 0xa9, 0x4f, 0x9e, 0x21, 0x42, 0x84, 0x15, 0x2a, 0x54,\n      0xa8, 0x4d, 0x9a, 0x29, 0x52, 0xa4, 0x55, 0xaa, 0x49, 0x92, 0x39, 0x72, 0xe4, 0xd5, 0xb7, 0x73,\n      0xe6, 0xd1, 0xbf, 0x63, 0xc6, 0x91, 0x3f, 0x7e, 0xfc, 0xe5, 0xd7, 0xb3, 0x7b, 0xf6, 0xf1, 0xff,\n      0xe3, 0xdb, 0xab, 0x4b, 0x96, 0x31, 0x62, 0xc4, 0x95, 0x37, 0x6e, 0xdc, 0xa5, 0x57, 0xae, 0x41,\n      0x82, 0x19, 0x32, 0x64, 0xc8, 0x8d, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0, 0xdd, 0xa7, 0x53, 0xa6,\n      0x51, 0xa2, 0x59, 0xb2, 0x79, 0xf2, 0xf9, 0xef, 0xc3, 0x9b, 0x2b, 0x56, 0xac, 0x45, 0x8a, 0x09,\n      0x12, 0x24, 0x48, 0x90, 0x3d, 0x7a, 0xf4, 0xf5, 0xf7, 0xf3, 0xfb, 0xeb, 0xcb, 0x8b, 0x0b, 0x16,\n      0x2c, 0x58, 0xb0, 0x7d, 0xfa, 0xe9, 0xcf, 0x83, 0x1b, 0x36, 0x6c, 0xd8, 0xad, 0x47, 0x8e, 0x00\n    ];\n  }\n\n  /**\n   * Returns the Galois field log table.\n   *\n   * @return {number[]} The Galois field log table.\n   * @public\n   * @static\n   */\n  static get LOG() {\n    return [\n      0xff, 0x00, 0x01, 0x19, 0x02, 0x32, 0x1a, 0xc6, 0x03, 0xdf, 0x33, 0xee, 0x1b, 0x68, 0xc7, 0x4b,\n      0x04, 0x64, 0xe0, 0x0e, 0x34, 0x8d, 0xef, 0x81, 0x1c, 0xc1, 0x69, 0xf8, 0xc8, 0x08, 0x4c, 0x71,\n      0x05, 0x8a, 0x65, 0x2f, 0xe1, 0x24, 0x0f, 0x21, 0x35, 0x93, 0x8e, 0xda, 0xf0, 0x12, 0x82, 0x45,\n      0x1d, 0xb5, 0xc2, 0x7d, 0x6a, 0x27, 0xf9, 0xb9, 0xc9, 0x9a, 0x09, 0x78, 0x4d, 0xe4, 0x72, 0xa6,\n      0x06, 0xbf, 0x8b, 0x62, 0x66, 0xdd, 0x30, 0xfd, 0xe2, 0x98, 0x25, 0xb3, 0x10, 0x91, 0x22, 0x88,\n      0x36, 0xd0, 0x94, 0xce, 0x8f, 0x96, 0xdb, 0xbd, 0xf1, 0xd2, 0x13, 0x5c, 0x83, 0x38, 0x46, 0x40,\n      0x1e, 0x42, 0xb6, 0xa3, 0xc3, 0x48, 0x7e, 0x6e, 0x6b, 0x3a, 0x28, 0x54, 0xfa, 0x85, 0xba, 0x3d,\n      0xca, 0x5e, 0x9b, 0x9f, 0x0a, 0x15, 0x79, 0x2b, 0x4e, 0xd4, 0xe5, 0xac, 0x73, 0xf3, 0xa7, 0x57,\n      0x07, 0x70, 0xc0, 0xf7, 0x8c, 0x80, 0x63, 0x0d, 0x67, 0x4a, 0xde, 0xed, 0x31, 0xc5, 0xfe, 0x18,\n      0xe3, 0xa5, 0x99, 0x77, 0x26, 0xb8, 0xb4, 0x7c, 0x11, 0x44, 0x92, 0xd9, 0x23, 0x20, 0x89, 0x2e,\n      0x37, 0x3f, 0xd1, 0x5b, 0x95, 0xbc, 0xcf, 0xcd, 0x90, 0x87, 0x97, 0xb2, 0xdc, 0xfc, 0xbe, 0x61,\n      0xf2, 0x56, 0xd3, 0xab, 0x14, 0x2a, 0x5d, 0x9e, 0x84, 0x3c, 0x39, 0x53, 0x47, 0x6d, 0x41, 0xa2,\n      0x1f, 0x2d, 0x43, 0xd8, 0xb7, 0x7b, 0xa4, 0x76, 0xc4, 0x17, 0x49, 0xec, 0x7f, 0x0c, 0x6f, 0xf6,\n      0x6c, 0xa1, 0x3b, 0x52, 0x29, 0x9d, 0x55, 0xaa, 0xfb, 0x60, 0x86, 0xb1, 0xbb, 0xcc, 0x3e, 0x5a,\n      0xcb, 0x59, 0x5f, 0xb0, 0x9c, 0xa9, 0xa0, 0x51, 0x0b, 0xf5, 0x16, 0xeb, 0x7a, 0x75, 0x2c, 0xd7,\n      0x4f, 0xae, 0xd5, 0xe9, 0xe6, 0xe7, 0xad, 0xe8, 0x74, 0xd6, 0xf4, 0xea, 0xa8, 0x50, 0x58, 0xaf\n    ];\n  }\n\n}\n\nexport default Galois;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/**\n * Contains version pattern information.\n *\n * @public\n */\nclass Version {\n\n  /**\n   * Returns the version pattern block.\n   *\n   * @return {number[]} The version pattern block.\n   * @public\n   * @static\n   */\n  static get BLOCK() {\n    return [\n      0xc94, 0x5bc, 0xa99, 0x4d3, 0xbf6, 0x762, 0x847, 0x60d, 0x928, 0xb78, 0x45d, 0xa17, 0x532,\n      0x9a6, 0x683, 0x8c9, 0x7ec, 0xec4, 0x1e1, 0xfab, 0x08e, 0xc1a, 0x33f, 0xd75, 0x250, 0x9d5,\n      0x6f0, 0x8ba, 0x79f, 0xb0b, 0x42e, 0xa64, 0x541, 0xc69\n    ];\n  }\n\n}\n\nexport default Version;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Alignment from './Alignment';\nimport ErrorCorrection from './ErrorCorrection';\nimport Galois from './Galois';\nimport Version from './Version';\n\n/**\n * Generates information for a QR code frame based on a specific value to be encoded.\n *\n * @public\n */\nclass Frame {\n\n  static _createArray(length) {\n    const array = [];\n\n    for (let i = 0; i < length; i++) {\n      array[i] = 0;\n    }\n\n    return array;\n  }\n\n  static _getMaskBit(x, y) {\n    let bit;\n\n    if (x > y) {\n      bit = x;\n      x = y;\n      y = bit;\n    }\n\n    bit = y;\n    bit += y * y;\n    bit >>= 1;\n    bit += x;\n\n    return bit;\n  }\n\n  static _modN(x) {\n    while (x >= 255) {\n      x -= 255;\n      x = (x >> 8) + (x & 255);\n    }\n\n    return x;\n  }\n\n  // *Badness* coefficients.\n  static get N1() {\n    return 3;\n  }\n  static get N2() {\n    return 3;\n  }\n  static get N3() {\n    return 40;\n  }\n  static get N4() {\n    return 10;\n  }\n\n  /**\n   * Creates an instance of {@link Frame} based on the <code>options</code> provided.\n   *\n   * @param {Frame~Options} options - the options to be used\n   * @public\n   */\n  constructor(options) {\n    this._badness = [];\n    this._level = ErrorCorrection.LEVELS[options.level];\n    this._polynomial = [];\n    this._value = options.value;\n    this._valueLength = this._value.length;\n    this._version = 0;\n    this._stringBuffer = [];\n\n    let dataBlock;\n    let eccBlock;\n    let neccBlock1;\n    let neccBlock2;\n\n    while (this._version < 40) {\n      this._version++;\n\n      let index = ((this._level - 1) * 4) + ((this._version - 1) * 16);\n\n      neccBlock1 = ErrorCorrection.BLOCKS[index++];\n      neccBlock2 = ErrorCorrection.BLOCKS[index++];\n      dataBlock = ErrorCorrection.BLOCKS[index++];\n      eccBlock = ErrorCorrection.BLOCKS[index];\n\n      index = (dataBlock * (neccBlock1 + neccBlock2)) + neccBlock2 - 3 + (this._version <= 9);\n\n      if (this._valueLength <= index) {\n        break;\n      }\n    }\n\n    this._dataBlock = dataBlock;\n    this._eccBlock = eccBlock;\n    this._neccBlock1 = neccBlock1;\n    this._neccBlock2 = neccBlock2;\n\n    /**\n     * The data width is based on version.\n     *\n     * @public\n     * @type {number}\n     */\n    // FIXME: Ensure that it fits instead of being truncated.\n    this.width = 17 + (4 * this._version);\n\n    /**\n     * The image buffer.\n     *\n     * @public\n     * @type {number[]}\n     */\n    this.buffer = Frame._createArray(this.width * this.width);\n\n    this._ecc = Frame._createArray(this._dataBlock + ((this._dataBlock + this._eccBlock) *\n      (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2);\n    this._mask = Frame._createArray(((this.width * (this.width + 1)) + 1) / 2);\n\n    this._insertFinders();\n    this._insertAlignments();\n\n    // Insert single foreground cell.\n    this.buffer[8 + (this.width * (this.width - 8))] = 1;\n\n    this._insertTimingGap();\n    this._reverseMask();\n    this._insertTimingRowAndColumn();\n    this._insertVersion();\n    this._syncMask();\n    this._convertBitStream(this._value.length);\n    this._calculatePolynomial();\n    this._appendEccToData();\n    this._interleaveBlocks();\n    this._pack();\n    this._finish();\n  }\n\n  _addAlignment(x, y) {\n    this.buffer[x + (this.width * y)] = 1;\n\n    for (let i = -2; i < 2; i++) {\n      this.buffer[x + i + (this.width * (y - 2))] = 1;\n      this.buffer[x - 2 + (this.width * (y + i + 1))] = 1;\n      this.buffer[x + 2 + (this.width * (y + i))] = 1;\n      this.buffer[x + i + 1 + (this.width * (y + 2))] = 1;\n    }\n\n    for (let i = 0; i < 2; i++) {\n      this._setMask(x - 1, y + i);\n      this._setMask(x + 1, y - i);\n      this._setMask(x - i, y - 1);\n      this._setMask(x + i, y + 1);\n    }\n  }\n\n  _appendData(data, dataLength, ecc, eccLength) {\n    for (let i = 0; i < eccLength; i++) {\n      this._stringBuffer[ecc + i] = 0;\n    }\n\n    for (let i = 0; i < dataLength; i++) {\n      const bit = Galois.LOG[this._stringBuffer[data + i] ^ this._stringBuffer[ecc]];\n\n      if (bit !== 255) {\n        for (let j = 1; j < eccLength; j++) {\n          this._stringBuffer[ecc + j - 1] = this._stringBuffer[ecc + j] ^\n            Galois.EXPONENT[Frame._modN(bit + this._polynomial[eccLength - j])];\n        }\n      } else {\n        for (let j = ecc; j < ecc + eccLength; j++) {\n          this._stringBuffer[j] = this._stringBuffer[j + 1];\n        }\n      }\n\n      this._stringBuffer[ecc + eccLength - 1] = bit === 255 ? 0\n        : Galois.EXPONENT[Frame._modN(bit + this._polynomial[0])];\n    }\n  }\n\n  _appendEccToData() {\n    let data = 0;\n    let ecc = this._calculateMaxLength();\n\n    for (let i = 0; i < this._neccBlock1; i++) {\n      this._appendData(data, this._dataBlock, ecc, this._eccBlock);\n\n      data += this._dataBlock;\n      ecc += this._eccBlock;\n    }\n\n    for (let i = 0; i < this._neccBlock2; i++) {\n      this._appendData(data, this._dataBlock + 1, ecc, this._eccBlock);\n\n      data += this._dataBlock + 1;\n      ecc += this._eccBlock;\n    }\n  }\n\n  _applyMask(mask) {\n    const width = this.width;\n\n    switch (mask) {\n    case 0:\n      for (let y = 0; y < width; y++) {\n        for (let x = 0; x < width; x++) {\n          if (!((x + y) & 1) && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 1:\n      for (let y = 0; y < width; y++) {\n        for (let x = 0; x < width; x++) {\n          if (!(y & 1) && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 2:\n      for (let y = 0; y < width; y++) {\n        for (let r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!r3x && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 3:\n      for (let r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (let r3x = r3y, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!r3x && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 4:\n      for (let y = 0; y < width; y++) {\n        for (let r3x = 0, r3y = (y >> 1) & 1, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n            r3y = !r3y;\n          }\n\n          if (!r3y && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 5:\n      for (let r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (let r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!((x & y & 1) + !(!r3x | !r3y)) && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 6:\n      for (let r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (let r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!((x & y & 1) + (r3x && r3x === r3y) & 1) && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 7:\n      for (let r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (let r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!((r3x && r3x === r3y) + (x + y & 1) & 1) && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    }\n  }\n\n  _calculateMaxLength() {\n    return (this._dataBlock * (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2;\n  }\n\n  _calculatePolynomial() {\n    this._polynomial[0] = 1;\n\n    for (let i = 0; i < this._eccBlock; i++) {\n      this._polynomial[i + 1] = 1;\n\n      for (let j = i; j > 0; j--) {\n        this._polynomial[j] = this._polynomial[j] ? this._polynomial[j - 1] ^\n          Galois.EXPONENT[Frame._modN(Galois.LOG[this._polynomial[j]] + i)] : this._polynomial[j - 1];\n      }\n\n      this._polynomial[0] = Galois.EXPONENT[Frame._modN(Galois.LOG[this._polynomial[0]] + i)];\n    }\n\n    // Use logs for generator polynomial to save calculation step.\n    for (let i = 0; i <= this._eccBlock; i++) {\n      this._polynomial[i] = Galois.LOG[this._polynomial[i]];\n    }\n  }\n\n  _checkBadness() {\n    let bad = 0;\n    const width = this.width;\n\n    // Blocks of same colour.\n    for (let y = 0; y < width - 1; y++) {\n      for (let x = 0; x < width - 1; x++) {\n        // All foreground colour.\n        if ((this.buffer[x + (width * y)] &&\n          this.buffer[x + 1 + (width * y)] &&\n          this.buffer[x + (width * (y + 1))] &&\n          this.buffer[x + 1 + (width * (y + 1))]) ||\n          // All background colour.\n          !(this.buffer[x + (width * y)] ||\n          this.buffer[x + 1 + (width * y)] ||\n          this.buffer[x + (width * (y + 1))] ||\n          this.buffer[x + 1 + (width * (y + 1))])) {\n          bad += Frame.N2;\n        }\n      }\n    }\n\n    let bw = 0;\n\n    // X runs.\n    for (let y = 0; y < width; y++) {\n      let h = 0;\n\n      this._badness[0] = 0;\n\n      for (let b = 0, x = 0; x < width; x++) {\n        const b1 = this.buffer[x + (width * y)];\n\n        if (b === b1) {\n          this._badness[h]++;\n        } else {\n          this._badness[++h] = 1;\n        }\n\n        b = b1;\n        bw += b ? 1 : -1;\n      }\n\n      bad += this._getBadness(h);\n    }\n\n    if (bw < 0) {\n      bw = -bw;\n    }\n\n    let count = 0;\n    let big = bw;\n    big += big << 2;\n    big <<= 1;\n\n    while (big > width * width) {\n      big -= width * width;\n      count++;\n    }\n\n    bad += count * Frame.N4;\n\n    // Y runs.\n    for (let x = 0; x < width; x++) {\n      let h = 0;\n\n      this._badness[0] = 0;\n\n      for (let b = 0, y = 0; y < width; y++) {\n        const b1 = this.buffer[x + (width * y)];\n\n        if (b === b1) {\n          this._badness[h]++;\n        } else {\n          this._badness[++h] = 1;\n        }\n\n        b = b1;\n      }\n\n      bad += this._getBadness(h);\n    }\n\n    return bad;\n  }\n\n  _convertBitStream(length) {\n    // Convert string to bit stream. 8-bit data to QR-coded 8-bit data (numeric, alphanumeric, or kanji not supported).\n    for (let i = 0; i < length; i++) {\n      this._ecc[i] = this._value.charCodeAt(i);\n    }\n\n    this._stringBuffer = this._ecc.slice(0);\n\n    const maxLength = this._calculateMaxLength();\n\n    if (length >= maxLength - 2) {\n      length = maxLength - 2;\n\n      if (this._version > 9) {\n        length--;\n      }\n    }\n\n    // Shift and re-pack to insert length prefix.\n    let index = length;\n\n    if (this._version > 9) {\n      this._stringBuffer[index + 2] = 0;\n      this._stringBuffer[index + 3] = 0;\n\n      while (index--) {\n        const bit = this._stringBuffer[index];\n\n        this._stringBuffer[index + 3] |= 255 & (bit << 4);\n        this._stringBuffer[index + 2] = bit >> 4;\n      }\n\n      this._stringBuffer[2] |= 255 & (length << 4);\n      this._stringBuffer[1] = length >> 4;\n      this._stringBuffer[0] = 0x40 | (length >> 12);\n    } else {\n      this._stringBuffer[index + 1] = 0;\n      this._stringBuffer[index + 2] = 0;\n\n      while (index--) {\n        const bit = this._stringBuffer[index];\n\n        this._stringBuffer[index + 2] |= 255 & (bit << 4);\n        this._stringBuffer[index + 1] = bit >> 4;\n      }\n\n      this._stringBuffer[1] |= 255 & (length << 4);\n      this._stringBuffer[0] = 0x40 | (length >> 4);\n    }\n\n    // Fill to end with pad pattern.\n    index = length + 3 - (this._version < 10);\n\n    while (index < maxLength) {\n      this._stringBuffer[index++] = 0xec;\n      this._stringBuffer[index++] = 0x11;\n    }\n  }\n\n  _getBadness(length) {\n    let badRuns = 0;\n\n    for (let i = 0; i <= length; i++) {\n      if (this._badness[i] >= 5) {\n        badRuns += Frame.N1 + this._badness[i] - 5;\n      }\n    }\n\n    // FBFFFBF as in finder.\n    for (let i = 3; i < length - 1; i += 2) {\n      if (this._badness[i - 2] === this._badness[i + 2] &&\n        this._badness[i + 2] === this._badness[i - 1] &&\n        this._badness[i - 1] === this._badness[i + 1] &&\n        this._badness[i - 1] * 3 === this._badness[i] &&\n        // Background around the foreground pattern? Not part of the specs.\n        (this._badness[i - 3] === 0 || i + 3 > length ||\n        this._badness[i - 3] * 3 >= this._badness[i] * 4 ||\n        this._badness[i + 3] * 3 >= this._badness[i] * 4)) {\n        badRuns += Frame.N3;\n      }\n    }\n\n    return badRuns;\n  }\n\n  _finish() {\n    // Save pre-mask copy of frame.\n    this._stringBuffer = this.buffer.slice(0);\n\n    let bit = 0;\n    let i;\n    let mask = 30000;\n\n    /*\n     * Using for instead of while since in original Arduino code if an early mask was \"good enough\" it wouldn't try for\n     * a better one since they get more complex and take longer.\n     */\n    for (i = 0; i < 8; i++) {\n      // Returns foreground-background imbalance.\n      this._applyMask(i);\n\n      const currentMask = this._checkBadness();\n\n      // Is current mask better than previous best?\n      if (currentMask < mask) {\n        mask = currentMask;\n        bit = i;\n      }\n\n      // Don't increment \"i\" to a void redoing mask.\n      if (bit === 7) {\n        break;\n      }\n\n      // Reset for next pass.\n      this.buffer = this._stringBuffer.slice(0);\n    }\n\n    // Redo best mask as none were \"good enough\" (i.e. last wasn't bit).\n    if (bit !== i) {\n      this._applyMask(bit);\n    }\n\n    // Add in final mask/ECC level bytes.\n    mask = ErrorCorrection.FINAL_FORMAT[bit + (this._level - 1 << 3)];\n\n    // Low byte.\n    for (i = 0; i < 8; i++, mask >>= 1) {\n      if (mask & 1) {\n        this.buffer[this.width - 1 - i + (this.width * 8)] = 1;\n\n        if (i < 6) {\n          this.buffer[8 + (this.width * i)] = 1;\n        } else {\n          this.buffer[8 + (this.width * (i + 1))] = 1;\n        }\n      }\n    }\n\n    // High byte.\n    for (i = 0; i < 7; i++, mask >>= 1) {\n      if (mask & 1) {\n        this.buffer[8 + (this.width * (this.width - 7 + i))] = 1;\n\n        if (i) {\n          this.buffer[6 - i + (this.width * 8)] = 1;\n        } else {\n          this.buffer[7 + (this.width * 8)] = 1;\n        }\n      }\n    }\n  }\n\n  _interleaveBlocks() {\n    const maxLength = this._calculateMaxLength();\n    let i;\n    let k = 0;\n\n    for (i = 0; i < this._dataBlock; i++) {\n      for (let j = 0; j < this._neccBlock1; j++) {\n        this._ecc[k++] = this._stringBuffer[i + (j * this._dataBlock)];\n      }\n\n      for (let j = 0; j < this._neccBlock2; j++) {\n        this._ecc[k++] = this._stringBuffer[(this._neccBlock1 * this._dataBlock) + i + (j * (this._dataBlock + 1))];\n      }\n    }\n\n    for (let j = 0; j < this._neccBlock2; j++) {\n      this._ecc[k++] = this._stringBuffer[(this._neccBlock1 * this._dataBlock) + i + (j * (this._dataBlock + 1))];\n    }\n\n    for (i = 0; i < this._eccBlock; i++) {\n      for (let j = 0; j < this._neccBlock1 + this._neccBlock2; j++) {\n        this._ecc[k++] = this._stringBuffer[maxLength + i + (j * this._eccBlock)];\n      }\n    }\n\n    this._stringBuffer = this._ecc;\n  }\n\n  _insertAlignments() {\n    const width = this.width;\n\n    if (this._version > 1) {\n      const i = Alignment.BLOCK[this._version];\n      let y = width - 7;\n\n      for (;;) {\n        let x = width - 7;\n\n        while (x > i - 3) {\n          this._addAlignment(x, y);\n\n          if (x < i) {\n            break;\n          }\n\n          x -= i;\n        }\n\n        if (y <= i + 9) {\n          break;\n        }\n\n        y -= i;\n\n        this._addAlignment(6, y);\n        this._addAlignment(y, 6);\n      }\n    }\n  }\n\n  _insertFinders() {\n    const width = this.width;\n\n    for (let i = 0; i < 3; i++) {\n      let j = 0;\n      let y = 0;\n\n      if (i === 1) {\n        j = width - 7;\n      }\n      if (i === 2) {\n        y = width - 7;\n      }\n\n      this.buffer[y + 3 + (width * (j + 3))] = 1;\n\n      for (let x = 0; x < 6; x++) {\n        this.buffer[y + x + (width * j)] = 1;\n        this.buffer[y + (width * (j + x + 1))] = 1;\n        this.buffer[y + 6 + (width * (j + x))] = 1;\n        this.buffer[y + x + 1 + (width * (j + 6))] = 1;\n      }\n\n      for (let x = 1; x < 5; x++) {\n        this._setMask(y + x, j + 1);\n        this._setMask(y + 1, j + x + 1);\n        this._setMask(y + 5, j + x);\n        this._setMask(y + x + 1, j + 5);\n      }\n\n      for (let x = 2; x < 4; x++) {\n        this.buffer[y + x + (width * (j + 2))] = 1;\n        this.buffer[y + 2 + (width * (j + x + 1))] = 1;\n        this.buffer[y + 4 + (width * (j + x))] = 1;\n        this.buffer[y + x + 1 + (width * (j + 4))] = 1;\n      }\n    }\n  }\n\n  _insertTimingGap() {\n    const width = this.width;\n\n    for (let y = 0; y < 7; y++) {\n      this._setMask(7, y);\n      this._setMask(width - 8, y);\n      this._setMask(7, y + width - 7);\n    }\n\n    for (let x = 0; x < 8; x++) {\n      this._setMask(x, 7);\n      this._setMask(x + width - 8, 7);\n      this._setMask(x, width - 8);\n    }\n  }\n\n  _insertTimingRowAndColumn() {\n    const width = this.width;\n\n    for (let x = 0; x < width - 14; x++) {\n      if (x & 1) {\n        this._setMask(8 + x, 6);\n        this._setMask(6, 8 + x);\n      } else {\n        this.buffer[8 + x + (width * 6)] = 1;\n        this.buffer[6 + (width * (8 + x))] = 1;\n      }\n    }\n  }\n\n  _insertVersion() {\n    const width = this.width;\n\n    if (this._version > 6) {\n      const i = Version.BLOCK[this._version - 7];\n      let j = 17;\n\n      for (let x = 0; x < 6; x++) {\n        for (let y = 0; y < 3; y++, j--) {\n          if (1 & (j > 11 ? this._version >> j - 12 : i >> j)) {\n            this.buffer[5 - x + (width * (2 - y + width - 11))] = 1;\n            this.buffer[2 - y + width - 11 + (width * (5 - x))] = 1;\n          } else {\n            this._setMask(5 - x, 2 - y + width - 11);\n            this._setMask(2 - y + width - 11, 5 - x);\n          }\n        }\n      }\n    }\n  }\n\n  _isMasked(x, y) {\n    const bit = Frame._getMaskBit(x, y);\n\n    return this._mask[bit] === 1;\n  }\n\n  _pack() {\n    let x = this.width - 1;\n    let y = this.width - 1;\n    let k = 1;\n    let v = 1;\n\n    // Interleaved data and ECC codes.\n    const length = ((this._dataBlock + this._eccBlock) * (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2;\n\n    for (let i = 0; i < length; i++) {\n      let bit = this._stringBuffer[i];\n\n      for (let j = 0; j < 8; j++, bit <<= 1) {\n        if (0x80 & bit) {\n          this.buffer[x + (this.width * y)] = 1;\n        }\n\n        // Find next fill position.\n        do {\n          if (v) {\n            x--;\n          } else {\n            x++;\n\n            if (k) {\n              if (y !== 0) {\n                y--;\n              } else {\n                x -= 2;\n                k = !k;\n\n                if (x === 6) {\n                  x--;\n                  y = 9;\n                }\n              }\n            } else if (y !== this.width - 1) {\n              y++;\n            } else {\n              x -= 2;\n              k = !k;\n\n              if (x === 6) {\n                x--;\n                y -= 8;\n              }\n            }\n          }\n\n          v = !v;\n        } while (this._isMasked(x, y));\n      }\n    }\n  }\n\n  _reverseMask() {\n    const width = this.width;\n\n    for (let x = 0; x < 9; x++) {\n      this._setMask(x, 8);\n    }\n\n    for (let x = 0; x < 8; x++) {\n      this._setMask(x + width - 8, 8);\n      this._setMask(8, x);\n    }\n\n    for (let y = 0; y < 7; y++) {\n      this._setMask(8, y + width - 7);\n    }\n  }\n\n  _setMask(x, y) {\n    const bit = Frame._getMaskBit(x, y);\n\n    this._mask[bit] = 1;\n  }\n\n  _syncMask() {\n    const width = this.width;\n\n    for (let y = 0; y < width; y++) {\n      for (let x = 0; x <= y; x++) {\n        if (this.buffer[x + (width * y)]) {\n          this._setMask(x, y);\n        }\n      }\n    }\n  }\n\n}\n\nexport default Frame;\n\n/**\n * The options used by {@link Frame}.\n *\n * @typedef {Object} Frame~Options\n * @property {string} level - The ECC level to be used.\n * @property {string} value - The value to be encoded.\n */\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Renderer from './Renderer';\n\n/**\n * An implementation of {@link Renderer} for working with <code>img</code> elements.\n *\n * This depends on {@link CanvasRenderer} being executed first as this implementation simply applies the data URL from\n * the rendered <code>canvas</code> element as the <code>src</code> for the <code>img</code> element being rendered.\n *\n * @public\n * @extends Renderer\n */\nclass ImageRenderer extends Renderer {\n\n  /**\n   * @override\n   */\n  draw() {\n    this.element.src = this.qrious.toDataURL();\n  }\n\n  /**\n   * @override\n   */\n  reset() {\n    this.element.src = '';\n  }\n\n  /**\n   * @override\n   */\n  resize() {\n    this.element.width = this.element.height = this.qrious.size;\n  }\n\n}\n\nexport default ImageRenderer;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/**\n * Defines an available option while also configuring how values are applied to the target object.\n *\n * While a value associated with an option can be changed on the target object, the option definition itself is\n * immutable.\n *\n * @public\n */\nclass Option {\n\n  /**\n   * Creates a new instance of {@link Option} based on the <code>name</code> provided.\n   *\n   * Optionally, a <code>defaultValue</code> can be specified as well a <code>valueTransformer</code> and\n   * <code>fieldNameResolver</code> for greater control over how the option value is applied.\n   *\n   * If no <code>valueTransformer</code> is specified, then any specified option will be applied directly.\n   *\n   * If no <code>fieldNameResolver</code> is specified, then the field name will be resolved to <code>name</code>\n   * prefixed with a single underscore when the option is applied.\n   *\n   * @param {string} name - the name to be used\n   * @param {*} [defaultValue] - the default value to be used\n   * @param {Option~ValueTransformer} [valueTransformer] - the value transformer to be used\n   * @param {Option~FieldNameResolver} [fieldNameResolver] - the field name resolver to be used\n   * @public\n   */\n  constructor(name, defaultValue, valueTransformer, fieldNameResolver) {\n    this._name = name;\n    this._defaultValue = defaultValue;\n    this._valueTransformer = valueTransformer;\n    this._fieldName = typeof fieldNameResolver === 'function' ? fieldNameResolver(this) : `_${name}`;\n  }\n\n  /**\n   * Transforms the specified <code>value</code> so that it can be applied for this {@link Option}.\n   *\n   * If a value transformer has been specified for this {@link Option}, it will be called upon to transform\n   * <code>value</code>. Otherwise, <code>value</code> will be returned directly.\n   *\n   * @param {*} value - the value to be transformed\n   * @return {*} The transformed value or <code>value</code> if no value transformer is specified.\n   * @public\n   */\n  transform(value) {\n    const transformer = this._valueTransformer;\n    if (typeof transformer === 'function') {\n      return transformer(value, this);\n    }\n\n    return value;\n  }\n\n  /**\n   * Returns the field name for this {@link Option}.\n   *\n   * @return {string} The field name.\n   * @public\n   */\n  get fieldName() {\n    return this._fieldName;\n  }\n\n  /**\n   * Returns the name for this {@link Option}.\n   *\n   * @return {string} The name.\n   * @public\n   */\n  get name() {\n    return this._name;\n  }\n\n  /**\n   * Returns the default value for this {@link Option}.\n   *\n   * @return {*} The default value.\n   * @public\n   */\n  get defaultValue() {\n    return this._defaultValue;\n  }\n\n}\n\nexport default Option;\n\n/**\n * Returns the field name to which the specified <code>option</code> is associated on the target object.\n *\n * The resolved name will be used to identify the field that values for <code>option</code> are to be read from and\n * written to.\n *\n * This function will only called once for <code>option</code>, upon initialization.\n *\n * @callback Option~FieldNameResolver\n * @param {Option} option - the {@link Option} whose field name is to be resolved\n * @return {string} The resolved field name for <code>option</code>.\n */\n\n/**\n * Returns a transformed value for the specified <code>value</code> to be applied for the <code>option</code> provided.\n *\n * @callback Option~ValueTransformer\n * @param {*} value - the value to be transformed\n * @param {Option} option - the {@link Option} for which <code>value</code> is being transformed\n * @return {*} The transform value.\n */\n","var getKeys   = require('./_object-keys')\n  , toIObject = require('./_to-iobject')\n  , isEnum    = require('./_object-pie').f;\nmodule.exports = function(isEntries){\n  return function(it){\n    var O      = toIObject(it)\n      , keys   = getKeys(O)\n      , length = keys.length\n      , i      = 0\n      , result = []\n      , key;\n    while(length > i)if(isEnum.call(O, key = keys[i++])){\n      result.push(isEntries ? [key, O[key]] : O[key]);\n    } return result;\n  };\n};","// https://github.com/tc39/proposal-object-values-entries\nvar $export = require('./_export')\n  , $values = require('./_object-to-array')(false);\n\n$export($export.S, 'Object', {\n  values: function values(it){\n    return $values(it);\n  }\n});","require('../../modules/es7.object.values');\nmodule.exports = require('../../modules/_core').Object.values;","module.exports = { \"default\": require(\"core-js/library/fn/object/values\"), __esModule: true };","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Utilities from '../util/Utilities';\n\n/**\n * Manages multiple {@link Option} instances that are intended to be used by multiple implementations.\n *\n * Although the option definitions are shared between targets, the values are maintained on the targets themselves.\n *\n * While a value associated with each option can be changed on the target objects, the manager and the option\n * definitions themselves are immutable.\n *\n * @public\n */\nclass OptionManager {\n\n  static _get(option, target) {\n    return target[option.fieldName];\n  }\n\n  static _set(option, value, target) {\n    const fieldName = option.fieldName;\n    const oldValue = target[fieldName];\n    const newValue = option.transform(value != null ? value : option.defaultValue);\n\n    target[fieldName] = newValue;\n\n    return newValue !== oldValue;\n  }\n\n  /**\n   * Creates a new instance of {@link OptionManager} for the specified available <code>options</code>.\n   *\n   * @param {Option[]} options - the options to be used\n   * @public\n   */\n  constructor(options) {\n    this._options = {};\n\n    options.forEach((option) => {\n      this._options[option.name] = option;\n    });\n  }\n\n  /**\n   * Sets the default values for all of the available options on the <code>target</code> object provided.\n   *\n   * @param {Object} target - the object on which the default values are to be set for each available option\n   * @return {void}\n   * @public\n   */\n  applyDefaults(target) {\n    const options = this._options;\n\n    for (const name in options) {\n      if (Utilities.hasOwn(options, name)) {\n        const option = options[name];\n\n        OptionManager._set(option, option.defaultValue, target);\n      }\n    }\n  }\n\n  /**\n   * Returns whether an option with the specified <code>name</code> is available.\n   *\n   * @param {string} name - the name of the {@link Option} whose existence is to be checked\n   * @return {boolean} <code>true</code> if an {@link Option} exists with <code>name</code>; otherwise\n   * <code>false</code>.\n   * @public\n   */\n  exists(name) {\n    return this._options[name] != null;\n  }\n\n  /**\n   * Returns the value of the option with the specified <code>name</code> on the <code>target</code> object provided.\n   *\n   * @param {string} name - the name of the {@link Option} whose value on <code>target</code> is to be returned\n   * @param {Object} target - the object from which the value of the named {@link Option} is to be returned\n   * @return {*} The value of the {@link Option} with <code>name</code> on <code>target</code>.\n   * @public\n   */\n  get(name, target) {\n    return OptionManager._get(this._options[name], target);\n  }\n\n  /**\n   * Returns a copy of all of the available options on the <code>target</code> object provided.\n   *\n   * @param {Object} target - the object from which the option name/value pairs are to be returned\n   * @return {Object.<string, *>} A hash containing the name/value pairs of all options on <code>target</code>.\n   * @public\n   */\n  getAll(target) {\n    const options = this._options;\n    const result = {};\n\n    for (const name in options) {\n      if (Utilities.hasOwn(options, name)) {\n        result[name] = OptionManager._get(options[name], target);\n      }\n    }\n\n    return result;\n  }\n\n  /**\n   * Sets the value of the option with the specified <code>name</code> on the <code>target</code> object provided to\n   * <code>value</code>.\n   *\n   * This method will throw an error if <code>name</code> does not match an available option.\n   *\n   * If <code>value</code> is <code>null</code> and the {@link Option} has a default value configured, then that default\n   * value will be used instead. If the {@link Option} also has a value transformer configured, it will be used to\n   * transform whichever value was determined to be used.\n   *\n   * This method returns whether the value of the underlying field on <code>target</code> was changed as a result.\n   *\n   * @param {string} name - the name of the {@link Option} whose value is to be set\n   * @param {*} value - the value to be set for the named {@link Option} on <code>target</code>\n   * @param {Object} target - the object on which <code>value</code> is to be set for the named {@link Option}\n   * @return {boolean} <code>true</code> if the underlying field on <code>target</code> was changed; otherwise\n   * <code>false</code>.\n   * @throws {Error} If no {@link Option} is being managed with <code>name</code>.\n   * @public\n   */\n  set(name, value, target) {\n    const option = this._options[name];\n    if (!option) {\n      throw new Error(`Invalid option: ${name}`);\n    }\n\n    return OptionManager._set(option, value, target);\n  }\n\n  /**\n   * Sets all of the specified <code>options</code> on the <code>target</code> object provided to their corresponding\n   * values.\n   *\n   * This method will throw an error if any of the names within <code>options</code> does not match an available option.\n   *\n   * If any value within <code>options</code> is <code>null</code> and the corresponding {@link Option} has a default\n   * value configured, then that default value will be used instead. If an {@link Option} also has a value transformer\n   * configured, it will be used to transform whichever value was determined to be used.\n   *\n   * This method returns whether the value for any of the underlying fields on <code>target</code> were changed as a\n   * result.\n   *\n   * @param {Object.<string, *>} options - the name/value pairs of options to be set\n   * @param {Object} target - the object on which the options are to be set\n   * @return {boolean} <code>true</code> if any of the underlying fields on <code>target</code> were changed; otherwise\n   * <code>false</code>.\n   * @throws {Error} If no {@link Option} is being managed with for any of the names within <code>options</code>.\n   * @public\n   */\n  setAll(options, target) {\n    if (!options) {\n      return false;\n    }\n\n    let changed = false;\n\n    for (const name in options) {\n      if (Utilities.hasOwn(options, name) && this.set(name, options[name], target)) {\n        changed = true;\n      }\n    }\n\n    return changed;\n  }\n\n  /**\n   * Returns a copy of the available options for this {@link OptionManager}.\n   *\n   * @return {Option[]} The available options.\n   * @public\n   */\n  get options() {\n    return Object.values(this._options);\n  }\n\n}\n\nexport default OptionManager;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/**\n * A basic manager for {@link Service} implementations that are mapped to simple names.\n *\n * @public\n */\nclass ServiceManager {\n\n  /**\n   * Creates a new instance of {@link ServiceManager}.\n   *\n   * @public\n   */\n  constructor() {\n    this._services = {};\n  }\n\n  /**\n   * Returns the {@link Service} being managed with the specified <code>name</code>.\n   *\n   * @param {string} name - the name of the {@link Service} to be returned\n   * @return {Service} The {@link Service} is being managed with <code>name</code>.\n   * @throws {Error} If no {@link Service} is being managed with <code>name</code>.\n   * @public\n   */\n  getService(name) {\n    const service = this._services[name];\n    if (!service) {\n      throw new Error(`Service is not being managed with name: ${name}`);\n    }\n\n    return service;\n  }\n\n  /**\n   * Sets the {@link Service} implementation to be managed for the specified <code>name</code> to the\n   * <code>service</code> provided.\n   *\n   * @param {string} name - the name of the {@link Service} to be managed with <code>name</code>\n   * @param {Service} service - the {@link Service} implementation to be managed\n   * @return {void}\n   * @throws {Error} If a {@link Service} is already being managed with the same <code>name</code>.\n   * @public\n   */\n  setService(name, service) {\n    if (this._services[name]) {\n      throw new Error(`Service is already managed with name: ${name}`);\n    }\n\n    if (service) {\n      this._services[name] = service;\n    }\n  }\n\n}\n\nexport default ServiceManager;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport CanvasRenderer from './renderer/CanvasRenderer';\nimport Frame from './Frame';\nimport ImageRenderer from './renderer/ImageRenderer';\nimport Option from './option/Option';\nimport OptionManager from './option/OptionManager';\nimport ServiceManager from './service/ServiceManager';\nimport Utilities from './util/Utilities';\n\nconst optionManager = new OptionManager([\n  new Option('background', 'white'),\n  new Option('backgroundAlpha', 1, Utilities.abs),\n  new Option('element'),\n  new Option('foreground', 'black'),\n  new Option('foregroundAlpha', 1, Utilities.abs),\n  new Option('level', 'L', Utilities.toUpperCase),\n  new Option('mime', 'image/png'),\n  new Option('padding', null, Utilities.abs),\n  new Option('size', 100, Utilities.abs),\n  new Option('value', '')\n]);\nconst serviceManager = new ServiceManager();\n\n/**\n * Enables configuration of a QR code generator which uses HTML5 <code>canvas</code> for rendering.\n *\n * @public\n */\nclass QRious {\n\n  /**\n   * Returns the default options for {@link QRious}.\n   *\n   * @return {QRious~Options} The default options.\n   * @deprecated Since 2.3.0\n   * @public\n   * @static\n   */\n  static get DEFAULTS() {\n    const result = {};\n\n    optionManager.options.forEach((option) => {\n      result[option.name] = option.defaultValue;\n    });\n\n    return result;\n  }\n\n  /**\n   * Returns the current version of {@link QRious}.\n   *\n   * @return {string} The current version.\n   * @public\n   * @static\n   */\n  static get VERSION() {\n    return '2.3.0';\n  }\n\n  /**\n   * Configures the <code>service</code> provided to be used by all {@link QRious} instances.\n   *\n   * @param {Service} service - the {@link Service} to be configured\n   * @return {void}\n   * @throws {Error} If a {@link Service} has already been configured with the same name.\n   * @public\n   * @static\n   */\n  static use(service) {\n    serviceManager.setService(service.getName(), service);\n  }\n\n  /**\n   * Creates a new instance of {@link QRious} based on the <code>options</code> provided.\n   *\n   * @param {QRious~Options} [options] - the options to be used\n   * @throws {Error} If any <code>options</code> are invalid.\n   * @public\n   */\n  constructor(options) {\n    optionManager.applyDefaults(this);\n    optionManager.setAll(options, this);\n\n    const element = optionManager.get('element', this);\n    const elementService = serviceManager.getService('element');\n    const canvas = element && elementService.isCanvas(element) ? element : elementService.createCanvas();\n    const image = element && elementService.isImage(element) ? element : elementService.createImage();\n\n    this._canvasRenderer = new CanvasRenderer(this, canvas, true);\n    this._imageRenderer = new ImageRenderer(this, image, image === element);\n\n    this.update();\n  }\n\n  /**\n   * Returns all of the options configured for this {@link QRious}.\n   *\n   * Any changes made to the returned object will not be reflected in the options themselves or their corresponding\n   * underlying fields.\n   *\n   * @return {Object.<string, *>} A copy of the applied options.\n   * @public\n   */\n  get() {\n    return optionManager.getAll(this);\n  }\n\n  /**\n   * Sets all of the specified <code>options</code> and automatically updates this {@link QRious} if any of the\n   * underlying fields are changed as a result.\n   *\n   * This is the preferred method for updating multiple options at one time to avoid unnecessary updates between\n   * changes.\n   *\n   * @param {QRious~Options} options - the options to be set\n   * @return {void}\n   * @throws {Error} If any <code>options</code> are invalid.\n   * @public\n   */\n  set(options) {\n    if (optionManager.setAll(options, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the image data URI for the generated QR code using the <code>mime</code> provided.\n   *\n   * @param {string} [mime] - the MIME type for the image\n   * @return {string} The image data URI for the QR code.\n   * @public\n   */\n  toDataURL(mime) {\n    return this.canvas.toDataURL(mime || this.mime);\n  }\n\n  /**\n   * Updates this {@link QRious} by generating a new {@link Frame} and re-rendering the QR code.\n   *\n   * @return {void}\n   * @protected\n   */\n  update() {\n    const frame = new Frame({\n      level: this.level,\n      value: this.value\n    });\n\n    this._canvasRenderer.render(frame);\n    this._imageRenderer.render(frame);\n  }\n\n  /**\n   * Returns the background color for the QR code.\n   *\n   * @return {string} The background color.\n   * @public\n   */\n  get background() {\n    return optionManager.get('background', this);\n  }\n\n  /**\n   * Sets the background color for the QR code to <code>background</code> and automatically updates this {@link QRious}\n   * if the underlying field is changed as a result.\n   *\n   * @param {string} [background=\"white\"] - the background color to be set\n   * @public\n   */\n  set background(background) {\n    if (optionManager.set('background', background, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the background alpha for the QR code.\n   *\n   * @return {number} The background alpha.\n   * @public\n   */\n  get backgroundAlpha() {\n    return optionManager.get('backgroundAlpha', this);\n  }\n\n  /**\n   * Sets the background alpha for the QR code to <code>backgroundAlpha</code> and automatically updates this\n   * {@link QRious} if the underlying field is changed as a result.\n   *\n   * @param {number} [backgroundAlpha=1] - the background alpha to be set\n   * @public\n   */\n  set backgroundAlpha(backgroundAlpha) {\n    if (optionManager.set('backgroundAlpha', backgroundAlpha, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the <code>canvas</code> element being used to render the QR code for this {@link QRious}.\n   *\n   * @return {*} The <code>canvas</code> element.\n   * @public\n   */\n  get canvas() {\n    return this._canvasRenderer.getElement();\n  }\n\n  /**\n   * Returns the foreground color for the QR code.\n   *\n   * @return {string} The foreground color.\n   * @public\n   */\n  get foreground() {\n    return optionManager.get('foreground', this);\n  }\n\n  /**\n   * Sets the foreground color for the QR code to <code>foreground</code> and automatically updates this {@link QRious}\n   * if the underlying field is changed as a result.\n   *\n   * @param {string} [foreground=\"black\"] - the foreground color to be set\n   * @public\n   */\n  set foreground(foreground) {\n    if (optionManager.set('foreground', foreground, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the foreground alpha for the QR code.\n   *\n   * @return {number} The foreground alpha.\n   * @public\n   */\n  get foregroundAlpha() {\n    return optionManager.get('foregroundAlpha', this);\n  }\n\n  /**\n   * Sets the foreground alpha for the QR code to <code>foregroundAlpha</code> and automatically updates this\n   * {@link QRious} if the underlying field is changed as a result.\n   *\n   * @param {number} [foregroundAlpha=1] - the foreground alpha to be set\n   * @public\n   */\n  set foregroundAlpha(foregroundAlpha) {\n    if (optionManager.set('foregroundAlpha', foregroundAlpha, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the <code>img</code> element being used to render the QR code for this {@link QRious}.\n   *\n   * @return {*} The <code>img</code> element.\n   * @public\n   */\n  get image() {\n    return this._imageRenderer.getElement();\n  }\n\n  /**\n   * Returns the error correction level for the QR code.\n   *\n   * @return {string} The ECC level.\n   * @public\n   */\n  get level() {\n    return optionManager.get('level', this);\n  }\n\n  /**\n   * Sets the error correction level for the QR code to <code>level</code> and automatically updates this {@link QRious}\n   * if the underlying field is changed as a result.\n   *\n   * <code>level</code> will be transformed to upper case to aid mapping to known ECC level blocks.\n   *\n   * @param {string} [level=\"L\"] - the ECC level to be set\n   * @public\n   */\n  set level(level) {\n    if (optionManager.set('level', level, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the MIME type for the image rendered for the QR code.\n   *\n   * @return {string} The image MIME type.\n   * @public\n   */\n  get mime() {\n    return optionManager.get('mime', this);\n  }\n\n  /**\n   * Sets the MIME type for the image rendered for the QR code to <code>mime</code> and automatically updates this\n   * {@link QRious} if the underlying field is changed as a result.\n   *\n   * @param {string} [mime=\"image/png\"] - the image MIME type to be set\n   * @public\n   */\n  set mime(mime) {\n    if (optionManager.set('mime', mime, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the padding for the QR code.\n   *\n   * @return {number} The padding in pixels.\n   * @public\n   */\n  get padding() {\n    return optionManager.get('padding', this);\n  }\n\n  /**\n   * Sets the padding for the QR code to <code>padding</code> and automatically updates this {@link QRious} if the\n   * underlying field is changed as a result.\n   *\n   * <code>padding</code> will be transformed to ensure that it is always an absolute positive numbers (e.g.\n   * <code>-10</code> would become <code>10</code>).\n   *\n   * @param {number} [padding] - 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See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport BrowserElementService from '../service/element/BrowserElementService';\nimport QRious from '../QRious';\n\nQRious.use(new BrowserElementService());\n\nexport default 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\ No newline at end of file
diff --git a/dist/umd/qrious.min.js b/dist/umd/qrious.min.js
deleted file mode 100644
index 57d8c7b..0000000
--- a/dist/umd/qrious.min.js
+++ /dev/null
@@ -1,7 +0,0 @@
-/*! QRious v2.3.0 | (C) 2017 Alasdair Mercer | GPL v3 License
-Based on jsqrencode | (C) 2010 tz@execpc.com | GPL v3 License
-*/
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G(t,null,[{key:"BLOCKS",get:function(){return[1,0,19,7,1,0,16,10,1,0,13,13,1,0,9,17,1,0,34,10,1,0,28,16,1,0,22,22,1,0,16,28,1,0,55,15,1,0,44,26,2,0,17,18,2,0,13,22,1,0,80,20,2,0,32,18,2,0,24,26,4,0,9,16,1,0,108,26,2,0,43,24,2,2,15,18,2,2,11,22,2,0,68,18,4,0,27,16,4,0,19,24,4,0,15,28,2,0,78,20,4,0,31,18,2,4,14,18,4,1,13,26,2,0,97,24,2,2,38,22,4,2,18,22,4,2,14,26,2,0,116,30,3,2,36,22,4,4,16,20,4,4,12,24,2,2,68,18,4,1,43,26,6,2,19,24,6,2,15,28,4,0,81,20,1,4,50,30,4,4,22,28,3,8,12,24,2,2,92,24,6,2,36,22,4,6,20,26,7,4,14,28,4,0,107,26,8,1,37,22,8,4,20,24,12,4,11,22,3,1,115,30,4,5,40,24,11,5,16,20,11,5,12,24,5,1,87,22,5,5,41,24,5,7,24,30,11,7,12,24,5,1,98,24,7,3,45,28,15,2,19,24,3,13,15,30,1,5,107,28,10,1,46,28,1,15,22,28,2,17,14,28,5,1,120,30,9,4,43,26,17,1,22,28,2,19,14,28,3,4,113,28,3,11,44,26,17,4,21,26,9,16,13,26,3,5,107,28,3,13,41,26,15,5,24,30,15,10,15,28,4,4,116,28,17,0,42,26,17,6,22,28,19,6,16,30,2,7,111,28,17,0,46,28,7,16,24,30,34,0,13,24,4,5,121,30,4,14,47,28,11,14,24,30,16,14,15,30,6,4,117,30,6,14,45,28,11,16,24,30,30,2,16,30,8,4,106,26,8,13,47,28,7,22,24,30,22,13,15,30,10,2,114,28,19,4,46,28,28,6,22,28,33,4,16,30,8,4,122,30,22,3,45,28,8,26,23,30,12,28,15,30,3,10,117,30,3,23,45,28,4,31,24,30,11,31,15,30,7,7,116,30,21,7,45,28,1,37,23,30,19,26,15,30,5,10,115,30,19,10,47,28,15,25,24,30,23,25,15,30,13,3,115,30,2,29,46,28,42,1,24,30,23,28,15,30,17,0,115,30,10,23,46,28,10,35,24,30,19,35,15,30,17,1,115,30,14,21,46,28,29,19,24,30,11,46,15,30,13,6,115,30,14,23,46,28,44,7,24,30,59,1,16,30,12,7,121,30,12,26,47,28,39,14,24,30,22,41,15,30,6,14,121,30,6,34,47,28,46,10,24,30,2,64,15,30,17,4,122,30,29,14,46,28,49,10,24,30,24,46,15,30,4,18,122,30,13,32,46,28,48,14,24,30,42,32,15,30,20,4,117,30,40,7,47,28,43,22,24,30,10,67,15,30,19,6,118,30,18,31,47,28,34,34,24,30,20,61,15,30]}},{key:"FINAL_FORMAT",get:function(){return[30660,29427,32170,30877,26159,25368,27713,26998,21522,20773,24188,23371,17913,16590,20375,19104,13663,12392,16177,14854,9396,8579,11994,11245,5769,5054,7399,6608,1890,597,3340,2107]}},{key:"LEVELS",get:function(){return{L:1,M:2,Q:3,H:4}}}]),t}(),sn=function(){function t(){U(this,t)}return G(t,null,[{key:"EXPONENT",get:function(){return[1,2,4,8,16,32,64,128,29,58,116,232,205,135,19,38,76,152,45,90,180,117,234,201,143,3,6,12,24,48,96,192,157,39,78,156,37,74,148,53,106,212,181,119,238,193,159,35,70,140,5,10,20,40,80,160,93,186,105,210,185,111,222,161,95,190,97,194,153,47,94,188,101,202,137,15,30,60,120,240,253,231,211,187,107,214,177,127,254,225,223,163,91,182,113,226,217,175,67,134,17,34,68,136,13,26,52,104,208,189,103,206,129,31,62,124,248,237,199,147,59,118,236,197,151,51,102,204,133,23,46,92,184,109,218,169,79,158,33,66,132,21,42,84,168,77,154,41,82,164,85,170,73,146,57,114,228,213,183,115,230,209,191,99,198,145,63,126,252,229,215,179,123,246,241,255,227,219,171,75,150,49,98,196,149,55,110,220,165,87,174,65,130,25,50,100,200,141,7,14,28,56,112,224,221,167,83,166,81,162,89,178,121,242,249,239,195,155,43,86,172,69,138,9,18,36,72,144,61,122,244,245,247,243,251,235,203,139,11,22,44,88,176,125,250,233,207,131,27,54,108,216,173,71,142,0]}},{key:"LOG",get:function(){return[255,0,1,25,2,50,26,198,3,223,51,238,27,104,199,75,4,100,224,14,52,141,239,129,28,193,105,248,200,8,76,113,5,138,101,47,225,36,15,33,53,147,142,218,240,18,130,69,29,181,194,125,106,39,249,185,201,154,9,120,77,228,114,166,6,191,139,98,102,221,48,253,226,152,37,179,16,145,34,136,54,208,148,206,143,150,219,189,241,210,19,92,131,56,70,64,30,66,182,163,195,72,126,110,107,58,40,84,250,133,186,61,202,94,155,159,10,21,121,43,78,212,229,172,115,243,167,87,7,112,192,247,140,128,99,13,103,74,222,237,49,197,254,24,227,165,153,119,38,184,180,124,17,68,146,217,35,32,137,46,55,63,209,91,149,188,207,205,144,135,151,178,220,252,190,97,242,86,211,171,20,42,93,158,132,60,57,83,71,109,65,162,31,45,67,216,183,123,164,118,196,23,73,236,127,12,111,246,108,161,59,82,41,157,85,170,251,96,134,177,187,204,62,90,203,89,95,176,156,169,160,81,11,245,22,235,122,117,44,215,79,174,213,233,230,231,173,232,116,214,244,234,168,80,88,175]}}]),t}(),on=function(){function t(){U(this,t)}return G(t,null,[{key:"BLOCK",get:function(){return[3220,1468,2713,1235,3062,1890,2119,1549,2344,2936,1117,2583,1330,2470,1667,2249,2028,3780,481,4011,142,3098,831,3445,592,2517,1776,2234,1951,2827,1070,2660,1345,3177]}}]),t}(),un=function(){function t(e){U(this,t),this._badness=[],this._level=rn.LEVELS[e.level],this._polynomial=[],this._value=e.value,this._valueLength=this._value.length,this._version=0,this._stringBuffer=[];for(var n=void 0,r=void 0,i=void 0,s=void 0;this._version<40;){this._version++;var o=4*(this._level-1)+16*(this._version-1);if(i=rn.BLOCKS[o++],s=rn.BLOCKS[o++],n=rn.BLOCKS[o++],r=rn.BLOCKS[o],o=n*(i+s)+s-3+(this._version<=9),this._valueLength<=o)break}this._dataBlock=n,this._eccBlock=r,this._neccBlock1=i,this._neccBlock2=s,this.width=17+4*this._version,this.buffer=t._createArray(this.width*this.width),this._ecc=t._createArray(this._dataBlock+(this._dataBlock+this._eccBlock)*(this._neccBlock1+this._neccBlock2)+this._neccBlock2),this._mask=t._createArray((this.width*(this.width+1)+1)/2),this._insertFinders(),this._insertAlignments(),this.buffer[8+this.width*(this.width-8)]=1,this._insertTimingGap(),this._reverseMask(),this._insertTimingRowAndColumn(),this._insertVersion(),this._syncMask(),this._convertBitStream(this._value.length),this._calculatePolynomial(),this._appendEccToData(),this._interleaveBlocks(),this._pack(),this._finish()}return G(t,null,[{key:"_createArray",value:function(t){for(var e=[],n=0;n<t;n++)e[n]=0;return e}},{key:"_getMaskBit",value:function(t,e){var n=void 0;return t>e&&(n=t,t=e,e=n),n=e,n+=e*e,n>>=1,n+=t}},{key:"_modN",value:function(t){for(;t>=255;)t-=255,t=(t>>8)+(255&t);return t}},{key:"N1",get:function(){return 3}},{key:"N2",get:function(){return 3}},{key:"N3",get:function(){return 40}},{key:"N4",get:function(){return 10}}]),G(t,[{key:"_addAlignment",value:function(t,e){this.buffer[t+this.width*e]=1;for(var n=-2;n<2;n++)this.buffer[t+n+this.width*(e-2)]=1,this.buffer[t-2+this.width*(e+n+1)]=1,this.buffer[t+2+this.width*(e+n)]=1,this.buffer[t+n+1+this.width*(e+2)]=1;for(var r=0;r<2;r++)this._setMask(t-1,e+r),this._setMask(t+1,e-r),this._setMask(t-r,e-1),this._setMask(t+r,e+1)}},{key:"_appendData",value:function(e,n,r,i){for(var s=0;s<i;s++)this._stringBuffer[r+s]=0;for(var o=0;o<n;o++){var u=sn.LOG[this._stringBuffer[e+o]^this._stringBuffer[r]];if(255!==u)for(var a=1;a<i;a++)this._stringBuffer[r+a-1]=this._stringBuffer[r+a]^sn.EXPONENT[t._modN(u+this._polynomial[i-a])];else for(var f=r;f<r+i;f++)this._stringBuffer[f]=this._stringBuffer[f+1];this._stringBuffer[r+i-1]=255===u?0:sn.EXPONENT[t._modN(u+this._polynomial[0])]}}},{key:"_appendEccToData",value:function(){for(var t=0,e=this._calculateMaxLength(),n=0;n<this._neccBlock1;n++)this._appendData(t,this._dataBlock,e,this._eccBlock),t+=this._dataBlock,e+=this._eccBlock;for(var r=0;r<this._neccBlock2;r++)this._appendData(t,this._dataBlock+1,e,this._eccBlock),t+=this._dataBlock+1,e+=this._eccBlock}},{key:"_applyMask",value:function(t){var e=this.width;switch(t){case 0:for(var n=0;n<e;n++)for(var r=0;r<e;r++)r+n&1||this._isMasked(r,n)||(this.buffer[r+n*e]^=1);break;case 1:for(var i=0;i<e;i++)for(var s=0;s<e;s++)1&i||this._isMasked(s,i)||(this.buffer[s+i*e]^=1);break;case 2:for(var o=0;o<e;o++)for(var u=0,a=0;a<e;a++,u++)3===u&&(u=0),u||this._isMasked(a,o)||(this.buffer[a+o*e]^=1);break;case 3:for(var f=0,c=0;c<e;c++,f++){3===f&&(f=0);for(var h=f,l=0;l<e;l++,h++)3===h&&(h=0),h||this._isMasked(l,c)||(this.buffer[l+c*e]^=1)}break;case 4:for(var _=0;_<e;_++)for(var v=0,d=_>>1&1,p=0;p<e;p++,v++)3===v&&(v=0,d=!d),d||this._isMasked(p,_)||(this.buffer[p+_*e]^=1);break;case 5:for(var y=0,g=0;g<e;g++,y++){3===y&&(y=0);for(var k=0,b=0;b<e;b++,k++)3===k&&(k=0),(b&g&1)+!(!k|!y)||this._isMasked(b,g)||(this.buffer[b+g*e]^=1)}break;case 6:for(var m=0,w=0;w<e;w++,m++){3===m&&(m=0);for(var B=0,O=0;O<e;O++,B++)3===B&&(B=0),(O&w&1)+(B&&B===m)&1||this._isMasked(O,w)||(this.buffer[O+w*e]^=1)}break;case 7:for(var M=0,S=0;S<e;S++,M++){3===M&&(M=0);for(var E=0,j=0;j<e;j++,E++)3===E&&(E=0),(E&&E===M)+(j+S&1)&1||this._isMasked(j,S)||(this.buffer[j+S*e]^=1)}}}},{key:"_calculateMaxLength",value:function(){return this._dataBlock*(this._neccBlock1+this._neccBlock2)+this._neccBlock2}},{key:"_calculatePolynomial",value:function(){this._polynomial[0]=1;for(var e=0;e<this._eccBlock;e++){this._polynomial[e+1]=1;for(var n=e;n>0;n--)this._polynomial[n]=this._polynomial[n]?this._polynomial[n-1]^sn.EXPONENT[t._modN(sn.LOG[this._polynomial[n]]+e)]:this._polynomial[n-1];this._polynomial[0]=sn.EXPONENT[t._modN(sn.LOG[this._polynomial[0]]+e)]}for(var r=0;r<=this._eccBlock;r++)this._polynomial[r]=sn.LOG[this._polynomial[r]]}},{key:"_checkBadness",value:function(){for(var e=0,n=this.width,r=0;r<n-1;r++)for(var i=0;i<n-1;i++)(this.buffer[i+n*r]&&this.buffer[i+1+n*r]&&this.buffer[i+n*(r+1)]&&this.buffer[i+1+n*(r+1)]||!(this.buffer[i+n*r]||this.buffer[i+1+n*r]||this.buffer[i+n*(r+1)]||this.buffer[i+1+n*(r+1)]))&&(e+=t.N2);for(var s=0,o=0;o<n;o++){var u=0;this._badness[0]=0;for(var a=0,f=0;f<n;f++){var c=this.buffer[f+n*o];a===c?this._badness[u]++:this._badness[++u]=1,a=c,s+=a?1:-1}e+=this._getBadness(u)}s<0&&(s=-s);var h=0,l=s;for(l+=l<<2,l<<=1;l>n*n;)l-=n*n,h++;e+=h*t.N4;for(var _=0;_<n;_++){var v=0;this._badness[0]=0;for(var d=0,p=0;p<n;p++){var y=this.buffer[_+n*p];d===y?this._badness[v]++:this._badness[++v]=1,d=y}e+=this._getBadness(v)}return e}},{key:"_convertBitStream",value:function(t){for(var e=0;e<t;e++)this._ecc[e]=this._value.charCodeAt(e);this._stringBuffer=this._ecc.slice(0);var n=this._calculateMaxLength();t>=n-2&&(t=n-2,this._version>9&&t--);var r=t;if(this._version>9){for(this._stringBuffer[r+2]=0,this._stringBuffer[r+3]=0;r--;){var i=this._stringBuffer[r];this._stringBuffer[r+3]|=255&i<<4,this._stringBuffer[r+2]=i>>4}this._stringBuffer[2]|=255&t<<4,this._stringBuffer[1]=t>>4,this._stringBuffer[0]=64|t>>12}else{for(this._stringBuffer[r+1]=0,this._stringBuffer[r+2]=0;r--;){var s=this._stringBuffer[r];this._stringBuffer[r+2]|=255&s<<4,this._stringBuffer[r+1]=s>>4}this._stringBuffer[1]|=255&t<<4,this._stringBuffer[0]=64|t>>4}for(r=t+3-(this._version<10);r<n;)this._stringBuffer[r++]=236,this._stringBuffer[r++]=17}},{key:"_getBadness",value:function(e){for(var n=0,r=0;r<=e;r++)this._badness[r]>=5&&(n+=t.N1+this._badness[r]-5);for(var i=3;i<e-1;i+=2)this._badness[i-2]===this._badness[i+2]&&this._badness[i+2]===this._badness[i-1]&&this._badness[i-1]===this._badness[i+1]&&3*this._badness[i-1]===this._badness[i]&&(0===this._badness[i-3]||i+3>e||3*this._badness[i-3]>=4*this._badness[i]||3*this._badness[i+3]>=4*this._badness[i])&&(n+=t.N3);return n}},{key:"_finish",value:function(){this._stringBuffer=this.buffer.slice(0);var t=0,e=void 0,n=3e4;for(e=0;e<8;e++){this._applyMask(e);var r=this._checkBadness();if(r<n&&(n=r,t=e),7===t)break;this.buffer=this._stringBuffer.slice(0)}for(t!==e&&this._applyMask(t),n=rn.FINAL_FORMAT[t+(this._level-1<<3)],e=0;e<8;e++,n>>=1)1&n&&(this.buffer[this.width-1-e+8*this.width]=1,e<6?this.buffer[8+this.width*e]=1:this.buffer[8+this.width*(e+1)]=1);for(e=0;e<7;e++,n>>=1)1&n&&(this.buffer[8+this.width*(this.width-7+e)]=1,e?this.buffer[6-e+8*this.width]=1:this.buffer[7+8*this.width]=1)}},{key:"_interleaveBlocks",value:function(){var t=this._calculateMaxLength(),e=void 0,n=0;for(e=0;e<this._dataBlock;e++){for(var r=0;r<this._neccBlock1;r++)this._ecc[n++]=this._stringBuffer[e+r*this._dataBlock];for(var i=0;i<this._neccBlock2;i++)this._ecc[n++]=this._stringBuffer[this._neccBlock1*this._dataBlock+e+i*(this._dataBlock+1)]}for(var s=0;s<this._neccBlock2;s++)this._ecc[n++]=this._stringBuffer[this._neccBlock1*this._dataBlock+e+s*(this._dataBlock+1)];for(e=0;e<this._eccBlock;e++)for(var o=0;o<this._neccBlock1+this._neccBlock2;o++)this._ecc[n++]=this._stringBuffer[t+e+o*this._eccBlock];this._stringBuffer=this._ecc}},{key:"_insertAlignments",value:function(){var t=this.width;if(this._version>1)for(var e=nn.BLOCK[this._version],n=t-7;;){for(var r=t-7;r>e-3&&(this._addAlignment(r,n),!(r<e));)r-=e;if(n<=e+9)break;n-=e,this._addAlignment(6,n),this._addAlignment(n,6)}}},{key:"_insertFinders",value:function(){for(var t=this.width,e=0;e<3;e++){var n=0,r=0;1===e&&(n=t-7),2===e&&(r=t-7),this.buffer[r+3+t*(n+3)]=1;for(var i=0;i<6;i++)this.buffer[r+i+t*n]=1,this.buffer[r+t*(n+i+1)]=1,this.buffer[r+6+t*(n+i)]=1,this.buffer[r+i+1+t*(n+6)]=1;for(var s=1;s<5;s++)this._setMask(r+s,n+1),this._setMask(r+1,n+s+1),this._setMask(r+5,n+s),this._setMask(r+s+1,n+5);for(var o=2;o<4;o++)this.buffer[r+o+t*(n+2)]=1,this.buffer[r+2+t*(n+o+1)]=1,this.buffer[r+4+t*(n+o)]=1,this.buffer[r+o+1+t*(n+4)]=1}}},{key:"_insertTimingGap",value:function(){for(var t=this.width,e=0;e<7;e++)this._setMask(7,e),this._setMask(t-8,e),this._setMask(7,e+t-7);for(var n=0;n<8;n++)this._setMask(n,7),this._setMask(n+t-8,7),this._setMask(n,t-8)}},{key:"_insertTimingRowAndColumn",value:function(){for(var t=this.width,e=0;e<t-14;e++)1&e?(this._setMask(8+e,6),this._setMask(6,8+e)):(this.buffer[8+e+6*t]=1,this.buffer[6+t*(8+e)]=1)}},{key:"_insertVersion",value:function(){var t=this.width;if(this._version>6)for(var e=on.BLOCK[this._version-7],n=17,r=0;r<6;r++)for(var i=0;i<3;i++,n--)1&(n>11?this._version>>n-12:e>>n)?(this.buffer[5-r+t*(2-i+t-11)]=1,this.buffer[2-i+t-11+t*(5-r)]=1):(this._setMask(5-r,2-i+t-11),this._setMask(2-i+t-11,5-r))}},{key:"_isMasked",value:function(e,n){var r=t._getMaskBit(e,n);return 1===this._mask[r]}},{key:"_pack",value:function(){for(var t=this.width-1,e=this.width-1,n=1,r=1,i=(this._dataBlock+this._eccBlock)*(this._neccBlock1+this._neccBlock2)+this._neccBlock2,s=0;s<i;s++)for(var o=this._stringBuffer[s],u=0;u<8;u++,o<<=1){128&o&&(this.buffer[t+this.width*e]=1);do{r?t--:(t++,n?0!==e?e--:(t-=2,n=!n,6===t&&(t--,e=9)):e!==this.width-1?e++:(t-=2,n=!n,6===t&&(t--,e-=8))),r=!r}while(this._isMasked(t,e))}}},{key:"_reverseMask",value:function(){for(var t=this.width,e=0;e<9;e++)this._setMask(e,8);for(var n=0;n<8;n++)this._setMask(n+t-8,8),
-this._setMask(8,n);for(var r=0;r<7;r++)this._setMask(8,r+t-7)}},{key:"_setMask",value:function(e,n){var r=t._getMaskBit(e,n);this._mask[r]=1}},{key:"_syncMask",value:function(){for(var t=this.width,e=0;e<t;e++)for(var n=0;n<=e;n++)this.buffer[n+t*e]&&this._setMask(n,e)}}]),t}(),an=function(t){function e(){return U(this,e),Ue(this,(e.__proto__||I(e)).apply(this,arguments))}return He(e,t),G(e,[{key:"draw",value:function(){this.element.src=this.qrious.toDataURL()}},{key:"reset",value:function(){this.element.src=""}},{key:"resize",value:function(){this.element.width=this.element.height=this.qrious.size}}]),e}(tn),fn=function(){function t(e,n,r,i){U(this,t),this._name=e,this._defaultValue=n,this._valueTransformer=r,this._fieldName="function"==typeof i?i(this):"_"+e}return G(t,[{key:"transform",value:function(t){var e=this._valueTransformer;return"function"==typeof e?e(t,this):t}},{key:"fieldName",get:function(){return this._fieldName}},{key:"name",get:function(){return this._name}},{key:"defaultValue",get:function(){return this._defaultValue}}]),t}(),cn=Wt.f,hn=function(t){return function(e){for(var n,r=tt(e),i=ct(r),s=i.length,o=0,u=[];s>o;)cn.call(r,n=i[o++])&&u.push(t?[n,r[n]]:r[n]);return u}}(!1);x(x.S,"Object",{values:function(t){return hn(t)}});var ln=y.Object.values,_n=e(function(t){t.exports={default:ln,__esModule:!0}}),vn=t(_n),dn=function(){function t(e){var n=this;U(this,t),this._options={},e.forEach(function(t){n._options[t.name]=t})}return G(t,null,[{key:"_get",value:function(t,e){return e[t.fieldName]}},{key:"_set",value:function(t,e,n){var r=t.fieldName,i=n[r],s=t.transform(null!=e?e:t.defaultValue);return n[r]=s,s!==i}}]),G(t,[{key:"applyDefaults",value:function(e){var n=this._options;for(var r in n)if(Qe.hasOwn(n,r)){var i=n[r];t._set(i,i.defaultValue,e)}}},{key:"exists",value:function(t){return null!=this._options[t]}},{key:"get",value:function(e,n){return t._get(this._options[e],n)}},{key:"getAll",value:function(e){var n=this._options,r={};for(var i in n)Qe.hasOwn(n,i)&&(r[i]=t._get(n[i],e));return r}},{key:"set",value:function(e,n,r){var i=this._options[e];if(!i)throw new Error("Invalid option: "+e);return t._set(i,n,r)}},{key:"setAll",value:function(t,e){if(!t)return!1;var n=!1;for(var r in t)Qe.hasOwn(t,r)&&this.set(r,t[r],e)&&(n=!0);return n}},{key:"options",get:function(){return vn(this._options)}}]),t}(),pn=function(){function t(){U(this,t),this._services={}}return G(t,[{key:"getService",value:function(t){var e=this._services[t];if(!e)throw new Error("Service is not being managed with name: "+t);return e}},{key:"setService",value:function(t,e){if(this._services[t])throw new Error("Service is already managed with name: "+t);e&&(this._services[t]=e)}}]),t}(),yn=new dn([new fn("background","white"),new fn("backgroundAlpha",1,Qe.abs),new fn("element"),new fn("foreground","black"),new fn("foregroundAlpha",1,Qe.abs),new fn("level","L",Qe.toUpperCase),new fn("mime","image/png"),new fn("padding",null,Qe.abs),new fn("size",100,Qe.abs),new fn("value","")]),gn=new pn,kn=function(){function t(e){U(this,t),yn.applyDefaults(this),yn.setAll(e,this);var n=yn.get("element",this),r=gn.getService("element"),i=n&&r.isCanvas(n)?n:r.createCanvas(),s=n&&r.isImage(n)?n:r.createImage();this._canvasRenderer=new en(this,i,!0),this._imageRenderer=new an(this,s,s===n),this.update()}return G(t,null,[{key:"use",value:function(t){gn.setService(t.getName(),t)}},{key:"DEFAULTS",get:function(){var t={};return yn.options.forEach(function(e){t[e.name]=e.defaultValue}),t}},{key:"VERSION",get:function(){return"2.3.0"}}]),G(t,[{key:"get",value:function(){return yn.getAll(this)}},{key:"set",value:function(t){yn.setAll(t,this)&&this.update()}},{key:"toDataURL",value:function(t){return this.canvas.toDataURL(t||this.mime)}},{key:"update",value:function(){var t=new un({level:this.level,value:this.value});this._canvasRenderer.render(t),this._imageRenderer.render(t)}},{key:"background",get:function(){return yn.get("background",this)},set:function(t){yn.set("background",t,this)&&this.update()}},{key:"backgroundAlpha",get:function(){return yn.get("backgroundAlpha",this)},set:function(t){yn.set("backgroundAlpha",t,this)&&this.update()}},{key:"canvas",get:function(){return this._canvasRenderer.getElement()}},{key:"foreground",get:function(){return yn.get("foreground",this)},set:function(t){yn.set("foreground",t,this)&&this.update()}},{key:"foregroundAlpha",get:function(){return yn.get("foregroundAlpha",this)},set:function(t){yn.set("foregroundAlpha",t,this)&&this.update()}},{key:"image",get:function(){return this._imageRenderer.getElement()}},{key:"level",get:function(){return yn.get("level",this)},set:function(t){yn.set("level",t,this)&&this.update()}},{key:"mime",get:function(){return yn.get("mime",this)},set:function(t){yn.set("mime",t,this)&&this.update()}},{key:"padding",get:function(){return yn.get("padding",this)},set:function(t){yn.set("padding",t,this)&&this.update()}},{key:"size",get:function(){return yn.get("size",this)},set:function(t){yn.set("size",t,this)&&this.update()}},{key:"value",get:function(){return yn.get("value",this)},set:function(t){yn.set("value",t,this)&&this.update()}}]),t}();return kn.use(new $e),kn});
-
-//# sourceMappingURL=qrious.min.js.map
\ No newline at end of file
diff --git a/dist/umd/qrious.min.js.map b/dist/umd/qrious.min.js.map
deleted file mode 100644
index 6d3f64d..0000000
--- a/dist/umd/qrious.min.js.map
+++ /dev/null
@@ -1 +0,0 @@
-{"version":3,"file":"qrious.min.js","sources":["../../node_modules/core-js/library/modules/_defined.js","../../node_modules/core-js/library/modules/_to-object.js","../../node_modules/core-js/library/modules/_has.js","../../node_modules/core-js/library/modules/_global.js","../../node_modules/core-js/library/modules/_shared.js","../../node_modules/core-js/library/modules/_uid.js","../../node_modules/core-js/library/modules/_shared-key.js","../../node_modules/core-js/library/modules/_object-gpo.js","../../node_modules/core-js/library/modules/_core.js","../../node_modules/core-js/library/modules/_a-function.js","../../node_modules/core-js/library/modules/_ctx.js","../../node_modules/core-js/library/modules/_is-object.js","../../node_modules/core-js/library/modules/_an-object.js","../../node_modules/core-js/library/modules/_fails.js","../../node_modules/core-js/library/modules/_descriptors.js","../../node_modules/core-js/library/modules/_dom-create.js","../../node_modules/core-js/library/modules/_ie8-dom-define.js","../../node_modules/core-js/library/modules/_to-primitive.js","../../node_modules/core-js/library/modules/_object-dp.js","../../node_modules/core-js/library/modules/_property-desc.js","../../node_modules/core-js/library/modules/_hide.js","../../node_modules/core-js/library/modules/_export.js","../../node_modules/core-js/library/modules/_object-sap.js","../../node_modules/core-js/library/modules/es6.object.get-prototype-of.js","../../node_modules/core-js/library/fn/object/get-prototype-of.js","../../node_modules/babel-runtime/core-js/object/get-prototype-of.js","../../node_modules/babel-runtime/helpers/classCallCheck.js","../../node_modules/core-js/library/modules/es6.object.define-property.js","../../node_modules/core-js/library/fn/object/define-property.js","../../node_modules/babel-runtime/core-js/object/define-property.js","../../node_modules/babel-runtime/helpers/createClass.js","../../node_modules/core-js/library/modules/_to-integer.js","../../node_modules/core-js/library/modules/_redefine.js","../../node_modules/core-js/library/modules/_cof.js","../../node_modules/core-js/library/modules/_iobject.js","../../node_modules/core-js/library/modules/_to-iobject.js","../../node_modules/core-js/library/modules/_to-length.js","../../node_modules/core-js/library/modules/_to-index.js","../../node_modules/core-js/library/modules/_object-keys-internal.js","../../node_modules/core-js/library/modules/_array-includes.js","../../node_modules/core-js/library/modules/_enum-bug-keys.js","../../node_modules/core-js/library/modules/_object-keys.js","../../node_modules/core-js/library/modules/_object-dps.js","../../node_modules/core-js/library/modules/_html.js","../../node_modules/core-js/library/modules/_object-create.js","../../node_modules/core-js/library/modules/_wks.js","../../node_modules/core-js/library/modules/_set-to-string-tag.js","../../node_modules/core-js/library/modules/_iter-create.js","../../node_modules/core-js/library/modules/_iter-define.js","../../node_modules/core-js/library/modules/es6.string.iterator.js","../../node_modules/core-js/library/modules/_string-at.js","../../node_modules/core-js/library/modules/_iter-step.js","../../node_modules/core-js/library/modules/es6.array.iterator.js","../../node_modules/core-js/library/modules/web.dom.iterable.js","../../node_modules/core-js/library/modules/_wks-ext.js","../../node_modules/core-js/library/fn/symbol/iterator.js","../../node_modules/babel-runtime/core-js/symbol/iterator.js","../../node_modules/core-js/library/modules/_meta.js","../../node_modules/core-js/library/modules/_wks-define.js","../../node_modules/core-js/library/modules/_keyof.js","../../node_modules/core-js/library/modules/_object-gops.js","../../node_modules/core-js/library/modules/_object-pie.js","../../node_modules/core-js/library/modules/_enum-keys.js","../../node_modules/core-js/library/modules/_is-array.js","../../node_modules/core-js/library/modules/_object-gopn.js","../../node_modules/core-js/library/modules/_object-gopn-ext.js","../../node_modules/core-js/library/modules/_object-gopd.js","../../node_modules/core-js/library/modules/es6.symbol.js","../../node_modules/core-js/library/modules/es7.symbol.async-iterator.js","../../node_modules/core-js/library/modules/es7.symbol.observable.js","../../node_modules/core-js/library/fn/symbol/index.js","../../node_modules/babel-runtime/core-js/symbol.js","../../node_modules/babel-runtime/helpers/typeof.js","../../node_modules/babel-runtime/helpers/possibleConstructorReturn.js","../../node_modules/core-js/library/modules/_set-proto.js","../../node_modules/core-js/library/modules/es6.object.set-prototype-of.js","../../node_modules/core-js/library/fn/object/set-prototype-of.js","../../node_modules/babel-runtime/core-js/object/set-prototype-of.js","../../node_modules/core-js/library/modules/es6.object.create.js","../../node_modules/core-js/library/fn/object/create.js","../../node_modules/babel-runtime/core-js/object/create.js","../../node_modules/babel-runtime/helpers/inherits.js","../../src/util/Utilities.js","../../src/service/Service.js","../../src/service/element/ElementService.js","../../src/service/element/BrowserElementService.js","../../src/renderer/Renderer.js","../../src/renderer/CanvasRenderer.js","../../src/Alignment.js","../../src/ErrorCorrection.js","../../src/Galois.js","../../src/Version.js","../../src/Frame.js","../../src/renderer/ImageRenderer.js","../../src/option/Option.js","../../node_modules/core-js/library/modules/_object-to-array.js","../../node_modules/core-js/library/modules/es7.object.values.js","../../node_modules/core-js/library/fn/object/values.js","../../node_modules/babel-runtime/core-js/object/values.js","../../src/option/OptionManager.js","../../src/service/ServiceManager.js","../../src/QRious.js","../../src/runtime/browser.js"],"sourcesContent":["// 7.2.1 RequireObjectCoercible(argument)\nmodule.exports = function(it){\n  if(it == undefined)throw TypeError(\"Can't call method on  \" + it);\n  return it;\n};","// 7.1.13 ToObject(argument)\nvar defined = require('./_defined');\nmodule.exports = function(it){\n  return Object(defined(it));\n};","var hasOwnProperty = {}.hasOwnProperty;\nmodule.exports = function(it, key){\n  return hasOwnProperty.call(it, key);\n};","// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n  ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();\nif(typeof __g == 'number')__g = global; // eslint-disable-line no-undef","var global = require('./_global')\n  , SHARED = '__core-js_shared__'\n  , store  = global[SHARED] || (global[SHARED] = {});\nmodule.exports = function(key){\n  return store[key] || (store[key] = {});\n};","var id = 0\n  , px = Math.random();\nmodule.exports = function(key){\n  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));\n};","var shared = require('./_shared')('keys')\n  , uid    = require('./_uid');\nmodule.exports = function(key){\n  return shared[key] || (shared[key] = uid(key));\n};","// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)\nvar has         = require('./_has')\n  , toObject    = require('./_to-object')\n  , IE_PROTO    = require('./_shared-key')('IE_PROTO')\n  , ObjectProto = Object.prototype;\n\nmodule.exports = Object.getPrototypeOf || function(O){\n  O = toObject(O);\n  if(has(O, IE_PROTO))return O[IE_PROTO];\n  if(typeof O.constructor == 'function' && O instanceof O.constructor){\n    return O.constructor.prototype;\n  } return O instanceof Object ? ObjectProto : null;\n};","var core = module.exports = {version: '2.4.0'};\nif(typeof __e == 'number')__e = core; // eslint-disable-line no-undef","module.exports = function(it){\n  if(typeof it != 'function')throw TypeError(it + ' is not a function!');\n  return it;\n};","// optional / simple context binding\nvar aFunction = require('./_a-function');\nmodule.exports = function(fn, that, length){\n  aFunction(fn);\n  if(that === undefined)return fn;\n  switch(length){\n    case 1: return function(a){\n      return fn.call(that, a);\n    };\n    case 2: return function(a, b){\n      return fn.call(that, a, b);\n    };\n    case 3: return function(a, b, c){\n      return fn.call(that, a, b, c);\n    };\n  }\n  return function(/* ...args */){\n    return fn.apply(that, arguments);\n  };\n};","module.exports = function(it){\n  return typeof it === 'object' ? it !== null : typeof it === 'function';\n};","var isObject = require('./_is-object');\nmodule.exports = function(it){\n  if(!isObject(it))throw TypeError(it + ' is not an object!');\n  return it;\n};","module.exports = function(exec){\n  try {\n    return !!exec();\n  } catch(e){\n    return true;\n  }\n};","// Thank's IE8 for his funny defineProperty\nmodule.exports = !require('./_fails')(function(){\n  return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7;\n});","var isObject = require('./_is-object')\n  , document = require('./_global').document\n  // in old IE typeof document.createElement is 'object'\n  , is = isObject(document) && isObject(document.createElement);\nmodule.exports = function(it){\n  return is ? document.createElement(it) : {};\n};","module.exports = !require('./_descriptors') && !require('./_fails')(function(){\n  return Object.defineProperty(require('./_dom-create')('div'), 'a', {get: function(){ return 7; }}).a != 7;\n});","// 7.1.1 ToPrimitive(input [, PreferredType])\nvar isObject = require('./_is-object');\n// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n// and the second argument - flag - preferred type is a string\nmodule.exports = function(it, S){\n  if(!isObject(it))return it;\n  var fn, val;\n  if(S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n  if(typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it)))return val;\n  if(!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n  throw TypeError(\"Can't convert object to primitive value\");\n};","var anObject       = require('./_an-object')\n  , IE8_DOM_DEFINE = require('./_ie8-dom-define')\n  , toPrimitive    = require('./_to-primitive')\n  , dP             = Object.defineProperty;\n\nexports.f = require('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes){\n  anObject(O);\n  P = toPrimitive(P, true);\n  anObject(Attributes);\n  if(IE8_DOM_DEFINE)try {\n    return dP(O, P, Attributes);\n  } catch(e){ /* empty */ }\n  if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!');\n  if('value' in Attributes)O[P] = Attributes.value;\n  return O;\n};","module.exports = function(bitmap, value){\n  return {\n    enumerable  : !(bitmap & 1),\n    configurable: !(bitmap & 2),\n    writable    : !(bitmap & 4),\n    value       : value\n  };\n};","var dP         = require('./_object-dp')\n  , createDesc = require('./_property-desc');\nmodule.exports = require('./_descriptors') ? function(object, key, value){\n  return dP.f(object, key, createDesc(1, value));\n} : function(object, key, value){\n  object[key] = value;\n  return object;\n};","var global    = require('./_global')\n  , core      = require('./_core')\n  , ctx       = require('./_ctx')\n  , hide      = require('./_hide')\n  , PROTOTYPE = 'prototype';\n\nvar $export = function(type, name, source){\n  var IS_FORCED = type & $export.F\n    , IS_GLOBAL = type & $export.G\n    , IS_STATIC = type & $export.S\n    , IS_PROTO  = type & $export.P\n    , IS_BIND   = type & $export.B\n    , IS_WRAP   = type & $export.W\n    , exports   = IS_GLOBAL ? core : core[name] || (core[name] = {})\n    , expProto  = exports[PROTOTYPE]\n    , target    = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE]\n    , key, own, out;\n  if(IS_GLOBAL)source = name;\n  for(key in source){\n    // contains in native\n    own = !IS_FORCED && target && target[key] !== undefined;\n    if(own && key in exports)continue;\n    // export native or passed\n    out = own ? target[key] : source[key];\n    // prevent global pollution for namespaces\n    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n    // bind timers to global for call from export context\n    : IS_BIND && own ? ctx(out, global)\n    // wrap global constructors for prevent change them in library\n    : IS_WRAP && target[key] == out ? (function(C){\n      var F = function(a, b, c){\n        if(this instanceof C){\n          switch(arguments.length){\n            case 0: return new C;\n            case 1: return new C(a);\n            case 2: return new C(a, b);\n          } return new C(a, b, c);\n        } return C.apply(this, arguments);\n      };\n      F[PROTOTYPE] = C[PROTOTYPE];\n      return F;\n    // make static versions for prototype methods\n    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n    if(IS_PROTO){\n      (exports.virtual || (exports.virtual = {}))[key] = out;\n      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n      if(type & $export.R && expProto && !expProto[key])hide(expProto, key, out);\n    }\n  }\n};\n// type bitmap\n$export.F = 1;   // forced\n$export.G = 2;   // global\n$export.S = 4;   // static\n$export.P = 8;   // proto\n$export.B = 16;  // bind\n$export.W = 32;  // wrap\n$export.U = 64;  // safe\n$export.R = 128; // real proto method for `library` \nmodule.exports = $export;","// most Object methods by ES6 should accept primitives\nvar $export = require('./_export')\n  , core    = require('./_core')\n  , fails   = require('./_fails');\nmodule.exports = function(KEY, exec){\n  var fn  = (core.Object || {})[KEY] || Object[KEY]\n    , exp = {};\n  exp[KEY] = exec(fn);\n  $export($export.S + $export.F * fails(function(){ fn(1); }), 'Object', exp);\n};","// 19.1.2.9 Object.getPrototypeOf(O)\nvar toObject        = require('./_to-object')\n  , $getPrototypeOf = require('./_object-gpo');\n\nrequire('./_object-sap')('getPrototypeOf', function(){\n  return function getPrototypeOf(it){\n    return $getPrototypeOf(toObject(it));\n  };\n});","require('../../modules/es6.object.get-prototype-of');\nmodule.exports = require('../../modules/_core').Object.getPrototypeOf;","module.exports = { \"default\": require(\"core-js/library/fn/object/get-prototype-of\"), __esModule: true };","\"use strict\";\n\nexports.__esModule = true;\n\nexports.default = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};","var $export = require('./_export');\n// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n$export($export.S + $export.F * !require('./_descriptors'), 'Object', {defineProperty: require('./_object-dp').f});","require('../../modules/es6.object.define-property');\nvar $Object = require('../../modules/_core').Object;\nmodule.exports = function defineProperty(it, key, desc){\n  return $Object.defineProperty(it, key, desc);\n};","module.exports = { \"default\": require(\"core-js/library/fn/object/define-property\"), __esModule: true };","\"use strict\";\n\nexports.__esModule = true;\n\nvar _defineProperty = require(\"../core-js/object/define-property\");\n\nvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function () {\n  function defineProperties(target, props) {\n    for (var i = 0; i < props.length; i++) {\n      var descriptor = props[i];\n      descriptor.enumerable = descriptor.enumerable || false;\n      descriptor.configurable = true;\n      if (\"value\" in descriptor) descriptor.writable = true;\n      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n    }\n  }\n\n  return function (Constructor, protoProps, staticProps) {\n    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n    if (staticProps) defineProperties(Constructor, staticProps);\n    return Constructor;\n  };\n}();","// 7.1.4 ToInteger\nvar ceil  = Math.ceil\n  , floor = Math.floor;\nmodule.exports = function(it){\n  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);\n};","module.exports = require('./_hide');","var toString = {}.toString;\n\nmodule.exports = function(it){\n  return toString.call(it).slice(8, -1);\n};","// fallback for non-array-like ES3 and non-enumerable old V8 strings\nvar cof = require('./_cof');\nmodule.exports = Object('z').propertyIsEnumerable(0) ? Object : function(it){\n  return cof(it) == 'String' ? it.split('') : Object(it);\n};","// to indexed object, toObject with fallback for non-array-like ES3 strings\nvar IObject = require('./_iobject')\n  , defined = require('./_defined');\nmodule.exports = function(it){\n  return IObject(defined(it));\n};","// 7.1.15 ToLength\nvar toInteger = require('./_to-integer')\n  , min       = Math.min;\nmodule.exports = function(it){\n  return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991\n};","var toInteger = require('./_to-integer')\n  , max       = Math.max\n  , min       = Math.min;\nmodule.exports = function(index, length){\n  index = toInteger(index);\n  return index < 0 ? max(index + length, 0) : min(index, length);\n};","var has          = require('./_has')\n  , toIObject    = require('./_to-iobject')\n  , arrayIndexOf = require('./_array-includes')(false)\n  , IE_PROTO     = require('./_shared-key')('IE_PROTO');\n\nmodule.exports = function(object, names){\n  var O      = toIObject(object)\n    , i      = 0\n    , result = []\n    , key;\n  for(key in O)if(key != IE_PROTO)has(O, key) && result.push(key);\n  // Don't enum bug & hidden keys\n  while(names.length > i)if(has(O, key = names[i++])){\n    ~arrayIndexOf(result, key) || result.push(key);\n  }\n  return result;\n};","// false -> Array#indexOf\n// true  -> Array#includes\nvar toIObject = require('./_to-iobject')\n  , toLength  = require('./_to-length')\n  , toIndex   = require('./_to-index');\nmodule.exports = function(IS_INCLUDES){\n  return function($this, el, fromIndex){\n    var O      = toIObject($this)\n      , length = toLength(O.length)\n      , index  = toIndex(fromIndex, length)\n      , value;\n    // Array#includes uses SameValueZero equality algorithm\n    if(IS_INCLUDES && el != el)while(length > index){\n      value = O[index++];\n      if(value != value)return true;\n    // Array#toIndex ignores holes, Array#includes - not\n    } else for(;length > index; index++)if(IS_INCLUDES || index in O){\n      if(O[index] === el)return IS_INCLUDES || index || 0;\n    } return !IS_INCLUDES && -1;\n  };\n};","// IE 8- don't enum bug keys\nmodule.exports = (\n  'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'\n).split(',');","// 19.1.2.14 / 15.2.3.14 Object.keys(O)\nvar $keys       = require('./_object-keys-internal')\n  , enumBugKeys = require('./_enum-bug-keys');\n\nmodule.exports = Object.keys || function keys(O){\n  return $keys(O, enumBugKeys);\n};","var dP       = require('./_object-dp')\n  , anObject = require('./_an-object')\n  , getKeys  = require('./_object-keys');\n\nmodule.exports = require('./_descriptors') ? Object.defineProperties : function defineProperties(O, Properties){\n  anObject(O);\n  var keys   = getKeys(Properties)\n    , length = keys.length\n    , i = 0\n    , P;\n  while(length > i)dP.f(O, P = keys[i++], Properties[P]);\n  return O;\n};","module.exports = require('./_global').document && document.documentElement;","// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\nvar anObject    = require('./_an-object')\n  , dPs         = require('./_object-dps')\n  , enumBugKeys = require('./_enum-bug-keys')\n  , IE_PROTO    = require('./_shared-key')('IE_PROTO')\n  , Empty       = function(){ /* empty */ }\n  , PROTOTYPE   = 'prototype';\n\n// Create object with fake `null` prototype: use iframe Object with cleared prototype\nvar createDict = function(){\n  // Thrash, waste and sodomy: IE GC bug\n  var iframe = require('./_dom-create')('iframe')\n    , i      = enumBugKeys.length\n    , lt     = '<'\n    , gt     = '>'\n    , iframeDocument;\n  iframe.style.display = 'none';\n  require('./_html').appendChild(iframe);\n  iframe.src = 'javascript:'; // eslint-disable-line no-script-url\n  // createDict = iframe.contentWindow.Object;\n  // html.removeChild(iframe);\n  iframeDocument = iframe.contentWindow.document;\n  iframeDocument.open();\n  iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);\n  iframeDocument.close();\n  createDict = iframeDocument.F;\n  while(i--)delete createDict[PROTOTYPE][enumBugKeys[i]];\n  return createDict();\n};\n\nmodule.exports = Object.create || function create(O, Properties){\n  var result;\n  if(O !== null){\n    Empty[PROTOTYPE] = anObject(O);\n    result = new Empty;\n    Empty[PROTOTYPE] = null;\n    // add \"__proto__\" for Object.getPrototypeOf polyfill\n    result[IE_PROTO] = O;\n  } else result = createDict();\n  return Properties === undefined ? result : dPs(result, Properties);\n};\n","var store      = require('./_shared')('wks')\n  , uid        = require('./_uid')\n  , Symbol     = require('./_global').Symbol\n  , USE_SYMBOL = typeof Symbol == 'function';\n\nvar $exports = module.exports = function(name){\n  return store[name] || (store[name] =\n    USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name));\n};\n\n$exports.store = store;","var def = require('./_object-dp').f\n  , has = require('./_has')\n  , TAG = require('./_wks')('toStringTag');\n\nmodule.exports = function(it, tag, stat){\n  if(it && !has(it = stat ? it : it.prototype, TAG))def(it, TAG, {configurable: true, value: tag});\n};","'use strict';\nvar create         = require('./_object-create')\n  , descriptor     = require('./_property-desc')\n  , setToStringTag = require('./_set-to-string-tag')\n  , IteratorPrototype = {};\n\n// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()\nrequire('./_hide')(IteratorPrototype, require('./_wks')('iterator'), function(){ return this; });\n\nmodule.exports = function(Constructor, NAME, next){\n  Constructor.prototype = create(IteratorPrototype, {next: descriptor(1, next)});\n  setToStringTag(Constructor, NAME + ' Iterator');\n};","'use strict';\nvar LIBRARY        = require('./_library')\n  , $export        = require('./_export')\n  , redefine       = require('./_redefine')\n  , hide           = require('./_hide')\n  , has            = require('./_has')\n  , Iterators      = require('./_iterators')\n  , $iterCreate    = require('./_iter-create')\n  , setToStringTag = require('./_set-to-string-tag')\n  , getPrototypeOf = require('./_object-gpo')\n  , ITERATOR       = require('./_wks')('iterator')\n  , BUGGY          = !([].keys && 'next' in [].keys()) // Safari has buggy iterators w/o `next`\n  , FF_ITERATOR    = '@@iterator'\n  , KEYS           = 'keys'\n  , VALUES         = 'values';\n\nvar returnThis = function(){ return this; };\n\nmodule.exports = function(Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED){\n  $iterCreate(Constructor, NAME, next);\n  var getMethod = function(kind){\n    if(!BUGGY && kind in proto)return proto[kind];\n    switch(kind){\n      case KEYS: return function keys(){ return new Constructor(this, kind); };\n      case VALUES: return function values(){ return new Constructor(this, kind); };\n    } return function entries(){ return new Constructor(this, kind); };\n  };\n  var TAG        = NAME + ' Iterator'\n    , DEF_VALUES = DEFAULT == VALUES\n    , VALUES_BUG = false\n    , proto      = Base.prototype\n    , $native    = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT]\n    , $default   = $native || getMethod(DEFAULT)\n    , $entries   = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined\n    , $anyNative = NAME == 'Array' ? proto.entries || $native : $native\n    , methods, key, IteratorPrototype;\n  // Fix native\n  if($anyNative){\n    IteratorPrototype = getPrototypeOf($anyNative.call(new Base));\n    if(IteratorPrototype !== Object.prototype){\n      // Set @@toStringTag to native iterators\n      setToStringTag(IteratorPrototype, TAG, true);\n      // fix for some old engines\n      if(!LIBRARY && !has(IteratorPrototype, ITERATOR))hide(IteratorPrototype, ITERATOR, returnThis);\n    }\n  }\n  // fix Array#{values, @@iterator}.name in V8 / FF\n  if(DEF_VALUES && $native && $native.name !== VALUES){\n    VALUES_BUG = true;\n    $default = function values(){ return $native.call(this); };\n  }\n  // Define iterator\n  if((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])){\n    hide(proto, ITERATOR, $default);\n  }\n  // Plug for library\n  Iterators[NAME] = $default;\n  Iterators[TAG]  = returnThis;\n  if(DEFAULT){\n    methods = {\n      values:  DEF_VALUES ? $default : getMethod(VALUES),\n      keys:    IS_SET     ? $default : getMethod(KEYS),\n      entries: $entries\n    };\n    if(FORCED)for(key in methods){\n      if(!(key in proto))redefine(proto, key, methods[key]);\n    } else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods);\n  }\n  return methods;\n};","'use strict';\nvar $at  = require('./_string-at')(true);\n\n// 21.1.3.27 String.prototype[@@iterator]()\nrequire('./_iter-define')(String, 'String', function(iterated){\n  this._t = String(iterated); // target\n  this._i = 0;                // next index\n// 21.1.5.2.1 %StringIteratorPrototype%.next()\n}, function(){\n  var O     = this._t\n    , index = this._i\n    , point;\n  if(index >= O.length)return {value: undefined, done: true};\n  point = $at(O, index);\n  this._i += point.length;\n  return {value: point, done: false};\n});","var toInteger = require('./_to-integer')\n  , defined   = require('./_defined');\n// true  -> String#at\n// false -> String#codePointAt\nmodule.exports = function(TO_STRING){\n  return function(that, pos){\n    var s = String(defined(that))\n      , i = toInteger(pos)\n      , l = s.length\n      , a, b;\n    if(i < 0 || i >= l)return TO_STRING ? '' : undefined;\n    a = s.charCodeAt(i);\n    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff\n      ? TO_STRING ? s.charAt(i) : a\n      : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;\n  };\n};","module.exports = function(done, value){\n  return {value: value, done: !!done};\n};","'use strict';\nvar addToUnscopables = require('./_add-to-unscopables')\n  , step             = require('./_iter-step')\n  , Iterators        = require('./_iterators')\n  , toIObject        = require('./_to-iobject');\n\n// 22.1.3.4 Array.prototype.entries()\n// 22.1.3.13 Array.prototype.keys()\n// 22.1.3.29 Array.prototype.values()\n// 22.1.3.30 Array.prototype[@@iterator]()\nmodule.exports = require('./_iter-define')(Array, 'Array', function(iterated, kind){\n  this._t = toIObject(iterated); // target\n  this._i = 0;                   // next index\n  this._k = kind;                // kind\n// 22.1.5.2.1 %ArrayIteratorPrototype%.next()\n}, function(){\n  var O     = this._t\n    , kind  = this._k\n    , index = this._i++;\n  if(!O || index >= O.length){\n    this._t = undefined;\n    return step(1);\n  }\n  if(kind == 'keys'  )return step(0, index);\n  if(kind == 'values')return step(0, O[index]);\n  return step(0, [index, O[index]]);\n}, 'values');\n\n// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)\nIterators.Arguments = Iterators.Array;\n\naddToUnscopables('keys');\naddToUnscopables('values');\naddToUnscopables('entries');","require('./es6.array.iterator');\nvar global        = require('./_global')\n  , hide          = require('./_hide')\n  , Iterators     = require('./_iterators')\n  , TO_STRING_TAG = require('./_wks')('toStringTag');\n\nfor(var collections = ['NodeList', 'DOMTokenList', 'MediaList', 'StyleSheetList', 'CSSRuleList'], i = 0; i < 5; i++){\n  var NAME       = collections[i]\n    , Collection = global[NAME]\n    , proto      = Collection && Collection.prototype;\n  if(proto && !proto[TO_STRING_TAG])hide(proto, TO_STRING_TAG, NAME);\n  Iterators[NAME] = Iterators.Array;\n}","exports.f = require('./_wks');","require('../../modules/es6.string.iterator');\nrequire('../../modules/web.dom.iterable');\nmodule.exports = require('../../modules/_wks-ext').f('iterator');","module.exports = { \"default\": require(\"core-js/library/fn/symbol/iterator\"), __esModule: true };","var META     = require('./_uid')('meta')\n  , isObject = require('./_is-object')\n  , has      = require('./_has')\n  , setDesc  = require('./_object-dp').f\n  , id       = 0;\nvar isExtensible = Object.isExtensible || function(){\n  return true;\n};\nvar FREEZE = !require('./_fails')(function(){\n  return isExtensible(Object.preventExtensions({}));\n});\nvar setMeta = function(it){\n  setDesc(it, META, {value: {\n    i: 'O' + ++id, // object ID\n    w: {}          // weak collections IDs\n  }});\n};\nvar fastKey = function(it, create){\n  // return primitive with prefix\n  if(!isObject(it))return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;\n  if(!has(it, META)){\n    // can't set metadata to uncaught frozen object\n    if(!isExtensible(it))return 'F';\n    // not necessary to add metadata\n    if(!create)return 'E';\n    // add missing metadata\n    setMeta(it);\n  // return object ID\n  } return it[META].i;\n};\nvar getWeak = function(it, create){\n  if(!has(it, META)){\n    // can't set metadata to uncaught frozen object\n    if(!isExtensible(it))return true;\n    // not necessary to add metadata\n    if(!create)return false;\n    // add missing metadata\n    setMeta(it);\n  // return hash weak collections IDs\n  } return it[META].w;\n};\n// add metadata on freeze-family methods calling\nvar onFreeze = function(it){\n  if(FREEZE && meta.NEED && isExtensible(it) && !has(it, META))setMeta(it);\n  return it;\n};\nvar meta = module.exports = {\n  KEY:      META,\n  NEED:     false,\n  fastKey:  fastKey,\n  getWeak:  getWeak,\n  onFreeze: onFreeze\n};","var global         = require('./_global')\n  , core           = require('./_core')\n  , LIBRARY        = require('./_library')\n  , wksExt         = require('./_wks-ext')\n  , defineProperty = require('./_object-dp').f;\nmodule.exports = function(name){\n  var $Symbol = core.Symbol || (core.Symbol = LIBRARY ? {} : global.Symbol || {});\n  if(name.charAt(0) != '_' && !(name in $Symbol))defineProperty($Symbol, name, {value: wksExt.f(name)});\n};","var getKeys   = require('./_object-keys')\n  , toIObject = require('./_to-iobject');\nmodule.exports = function(object, el){\n  var O      = toIObject(object)\n    , keys   = getKeys(O)\n    , length = keys.length\n    , index  = 0\n    , key;\n  while(length > index)if(O[key = keys[index++]] === el)return key;\n};","exports.f = Object.getOwnPropertySymbols;","exports.f = {}.propertyIsEnumerable;","// all enumerable object keys, includes symbols\nvar getKeys = require('./_object-keys')\n  , gOPS    = require('./_object-gops')\n  , pIE     = require('./_object-pie');\nmodule.exports = function(it){\n  var result     = getKeys(it)\n    , getSymbols = gOPS.f;\n  if(getSymbols){\n    var symbols = getSymbols(it)\n      , isEnum  = pIE.f\n      , i       = 0\n      , key;\n    while(symbols.length > i)if(isEnum.call(it, key = symbols[i++]))result.push(key);\n  } return result;\n};","// 7.2.2 IsArray(argument)\nvar cof = require('./_cof');\nmodule.exports = Array.isArray || function isArray(arg){\n  return cof(arg) == 'Array';\n};","// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)\nvar $keys      = require('./_object-keys-internal')\n  , hiddenKeys = require('./_enum-bug-keys').concat('length', 'prototype');\n\nexports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O){\n  return $keys(O, hiddenKeys);\n};","// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window\nvar toIObject = require('./_to-iobject')\n  , gOPN      = require('./_object-gopn').f\n  , toString  = {}.toString;\n\nvar windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames\n  ? Object.getOwnPropertyNames(window) : [];\n\nvar getWindowNames = function(it){\n  try {\n    return gOPN(it);\n  } catch(e){\n    return windowNames.slice();\n  }\n};\n\nmodule.exports.f = function getOwnPropertyNames(it){\n  return windowNames && toString.call(it) == '[object Window]' ? getWindowNames(it) : gOPN(toIObject(it));\n};\n","var pIE            = require('./_object-pie')\n  , createDesc     = require('./_property-desc')\n  , toIObject      = require('./_to-iobject')\n  , toPrimitive    = require('./_to-primitive')\n  , has            = require('./_has')\n  , IE8_DOM_DEFINE = require('./_ie8-dom-define')\n  , gOPD           = Object.getOwnPropertyDescriptor;\n\nexports.f = require('./_descriptors') ? gOPD : function getOwnPropertyDescriptor(O, P){\n  O = toIObject(O);\n  P = toPrimitive(P, true);\n  if(IE8_DOM_DEFINE)try {\n    return gOPD(O, P);\n  } catch(e){ /* empty */ }\n  if(has(O, P))return createDesc(!pIE.f.call(O, P), O[P]);\n};","'use strict';\n// ECMAScript 6 symbols shim\nvar global         = require('./_global')\n  , has            = require('./_has')\n  , DESCRIPTORS    = require('./_descriptors')\n  , $export        = require('./_export')\n  , redefine       = require('./_redefine')\n  , META           = require('./_meta').KEY\n  , $fails         = require('./_fails')\n  , shared         = require('./_shared')\n  , setToStringTag = require('./_set-to-string-tag')\n  , uid            = require('./_uid')\n  , wks            = require('./_wks')\n  , wksExt         = require('./_wks-ext')\n  , wksDefine      = require('./_wks-define')\n  , keyOf          = require('./_keyof')\n  , enumKeys       = require('./_enum-keys')\n  , isArray        = require('./_is-array')\n  , anObject       = require('./_an-object')\n  , toIObject      = require('./_to-iobject')\n  , toPrimitive    = require('./_to-primitive')\n  , createDesc     = require('./_property-desc')\n  , _create        = require('./_object-create')\n  , gOPNExt        = require('./_object-gopn-ext')\n  , $GOPD          = require('./_object-gopd')\n  , $DP            = require('./_object-dp')\n  , $keys          = require('./_object-keys')\n  , gOPD           = $GOPD.f\n  , dP             = $DP.f\n  , gOPN           = gOPNExt.f\n  , $Symbol        = global.Symbol\n  , $JSON          = global.JSON\n  , _stringify     = $JSON && $JSON.stringify\n  , PROTOTYPE      = 'prototype'\n  , HIDDEN         = wks('_hidden')\n  , TO_PRIMITIVE   = wks('toPrimitive')\n  , isEnum         = {}.propertyIsEnumerable\n  , SymbolRegistry = shared('symbol-registry')\n  , AllSymbols     = shared('symbols')\n  , OPSymbols      = shared('op-symbols')\n  , ObjectProto    = Object[PROTOTYPE]\n  , USE_NATIVE     = typeof $Symbol == 'function'\n  , QObject        = global.QObject;\n// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173\nvar setter = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;\n\n// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687\nvar setSymbolDesc = DESCRIPTORS && $fails(function(){\n  return _create(dP({}, 'a', {\n    get: function(){ return dP(this, 'a', {value: 7}).a; }\n  })).a != 7;\n}) ? function(it, key, D){\n  var protoDesc = gOPD(ObjectProto, key);\n  if(protoDesc)delete ObjectProto[key];\n  dP(it, key, D);\n  if(protoDesc && it !== ObjectProto)dP(ObjectProto, key, protoDesc);\n} : dP;\n\nvar wrap = function(tag){\n  var sym = AllSymbols[tag] = _create($Symbol[PROTOTYPE]);\n  sym._k = tag;\n  return sym;\n};\n\nvar isSymbol = USE_NATIVE && typeof $Symbol.iterator == 'symbol' ? function(it){\n  return typeof it == 'symbol';\n} : function(it){\n  return it instanceof $Symbol;\n};\n\nvar $defineProperty = function defineProperty(it, key, D){\n  if(it === ObjectProto)$defineProperty(OPSymbols, key, D);\n  anObject(it);\n  key = toPrimitive(key, true);\n  anObject(D);\n  if(has(AllSymbols, key)){\n    if(!D.enumerable){\n      if(!has(it, HIDDEN))dP(it, HIDDEN, createDesc(1, {}));\n      it[HIDDEN][key] = true;\n    } else {\n      if(has(it, HIDDEN) && it[HIDDEN][key])it[HIDDEN][key] = false;\n      D = _create(D, {enumerable: createDesc(0, false)});\n    } return setSymbolDesc(it, key, D);\n  } return dP(it, key, D);\n};\nvar $defineProperties = function defineProperties(it, P){\n  anObject(it);\n  var keys = enumKeys(P = toIObject(P))\n    , i    = 0\n    , l = keys.length\n    , key;\n  while(l > i)$defineProperty(it, key = keys[i++], P[key]);\n  return it;\n};\nvar $create = function create(it, P){\n  return P === undefined ? _create(it) : $defineProperties(_create(it), P);\n};\nvar $propertyIsEnumerable = function propertyIsEnumerable(key){\n  var E = isEnum.call(this, key = toPrimitive(key, true));\n  if(this === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key))return false;\n  return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key] ? E : true;\n};\nvar $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key){\n  it  = toIObject(it);\n  key = toPrimitive(key, true);\n  if(it === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key))return;\n  var D = gOPD(it, key);\n  if(D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key]))D.enumerable = true;\n  return D;\n};\nvar $getOwnPropertyNames = function getOwnPropertyNames(it){\n  var names  = gOPN(toIObject(it))\n    , result = []\n    , i      = 0\n    , key;\n  while(names.length > i){\n    if(!has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META)result.push(key);\n  } return result;\n};\nvar $getOwnPropertySymbols = function getOwnPropertySymbols(it){\n  var IS_OP  = it === ObjectProto\n    , names  = gOPN(IS_OP ? OPSymbols : toIObject(it))\n    , result = []\n    , i      = 0\n    , key;\n  while(names.length > i){\n    if(has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectProto, key) : true))result.push(AllSymbols[key]);\n  } return result;\n};\n\n// 19.4.1.1 Symbol([description])\nif(!USE_NATIVE){\n  $Symbol = function Symbol(){\n    if(this instanceof $Symbol)throw TypeError('Symbol is not a constructor!');\n    var tag = uid(arguments.length > 0 ? arguments[0] : undefined);\n    var $set = function(value){\n      if(this === ObjectProto)$set.call(OPSymbols, value);\n      if(has(this, HIDDEN) && has(this[HIDDEN], tag))this[HIDDEN][tag] = false;\n      setSymbolDesc(this, tag, createDesc(1, value));\n    };\n    if(DESCRIPTORS && setter)setSymbolDesc(ObjectProto, tag, {configurable: true, set: $set});\n    return wrap(tag);\n  };\n  redefine($Symbol[PROTOTYPE], 'toString', function toString(){\n    return this._k;\n  });\n\n  $GOPD.f = $getOwnPropertyDescriptor;\n  $DP.f   = $defineProperty;\n  require('./_object-gopn').f = gOPNExt.f = $getOwnPropertyNames;\n  require('./_object-pie').f  = $propertyIsEnumerable;\n  require('./_object-gops').f = $getOwnPropertySymbols;\n\n  if(DESCRIPTORS && !require('./_library')){\n    redefine(ObjectProto, 'propertyIsEnumerable', $propertyIsEnumerable, true);\n  }\n\n  wksExt.f = function(name){\n    return wrap(wks(name));\n  }\n}\n\n$export($export.G + $export.W + $export.F * !USE_NATIVE, {Symbol: $Symbol});\n\nfor(var symbols = (\n  // 19.4.2.2, 19.4.2.3, 19.4.2.4, 19.4.2.6, 19.4.2.8, 19.4.2.9, 19.4.2.10, 19.4.2.11, 19.4.2.12, 19.4.2.13, 19.4.2.14\n  'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'\n).split(','), i = 0; symbols.length > i; )wks(symbols[i++]);\n\nfor(var symbols = $keys(wks.store), i = 0; symbols.length > i; )wksDefine(symbols[i++]);\n\n$export($export.S + $export.F * !USE_NATIVE, 'Symbol', {\n  // 19.4.2.1 Symbol.for(key)\n  'for': function(key){\n    return has(SymbolRegistry, key += '')\n      ? SymbolRegistry[key]\n      : SymbolRegistry[key] = $Symbol(key);\n  },\n  // 19.4.2.5 Symbol.keyFor(sym)\n  keyFor: function keyFor(key){\n    if(isSymbol(key))return keyOf(SymbolRegistry, key);\n    throw TypeError(key + ' is not a symbol!');\n  },\n  useSetter: function(){ setter = true; },\n  useSimple: function(){ setter = false; }\n});\n\n$export($export.S + $export.F * !USE_NATIVE, 'Object', {\n  // 19.1.2.2 Object.create(O [, Properties])\n  create: $create,\n  // 19.1.2.4 Object.defineProperty(O, P, Attributes)\n  defineProperty: $defineProperty,\n  // 19.1.2.3 Object.defineProperties(O, Properties)\n  defineProperties: $defineProperties,\n  // 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)\n  getOwnPropertyDescriptor: $getOwnPropertyDescriptor,\n  // 19.1.2.7 Object.getOwnPropertyNames(O)\n  getOwnPropertyNames: $getOwnPropertyNames,\n  // 19.1.2.8 Object.getOwnPropertySymbols(O)\n  getOwnPropertySymbols: $getOwnPropertySymbols\n});\n\n// 24.3.2 JSON.stringify(value [, replacer [, space]])\n$JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function(){\n  var S = $Symbol();\n  // MS Edge converts symbol values to JSON as {}\n  // WebKit converts symbol values to JSON as null\n  // V8 throws on boxed symbols\n  return _stringify([S]) != '[null]' || _stringify({a: S}) != '{}' || _stringify(Object(S)) != '{}';\n})), 'JSON', {\n  stringify: function stringify(it){\n    if(it === undefined || isSymbol(it))return; // IE8 returns string on undefined\n    var args = [it]\n      , i    = 1\n      , replacer, $replacer;\n    while(arguments.length > i)args.push(arguments[i++]);\n    replacer = args[1];\n    if(typeof replacer == 'function')$replacer = replacer;\n    if($replacer || !isArray(replacer))replacer = function(key, value){\n      if($replacer)value = $replacer.call(this, key, value);\n      if(!isSymbol(value))return value;\n    };\n    args[1] = replacer;\n    return _stringify.apply($JSON, args);\n  }\n});\n\n// 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)\n$Symbol[PROTOTYPE][TO_PRIMITIVE] || require('./_hide')($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);\n// 19.4.3.5 Symbol.prototype[@@toStringTag]\nsetToStringTag($Symbol, 'Symbol');\n// 20.2.1.9 Math[@@toStringTag]\nsetToStringTag(Math, 'Math', true);\n// 24.3.3 JSON[@@toStringTag]\nsetToStringTag(global.JSON, 'JSON', true);","require('./_wks-define')('asyncIterator');","require('./_wks-define')('observable');","require('../../modules/es6.symbol');\nrequire('../../modules/es6.object.to-string');\nrequire('../../modules/es7.symbol.async-iterator');\nrequire('../../modules/es7.symbol.observable');\nmodule.exports = require('../../modules/_core').Symbol;","module.exports = { \"default\": require(\"core-js/library/fn/symbol\"), __esModule: true };","\"use strict\";\n\nexports.__esModule = true;\n\nvar _iterator = require(\"../core-js/symbol/iterator\");\n\nvar _iterator2 = _interopRequireDefault(_iterator);\n\nvar _symbol = require(\"../core-js/symbol\");\n\nvar _symbol2 = _interopRequireDefault(_symbol);\n\nvar _typeof = typeof _symbol2.default === \"function\" && typeof _iterator2.default === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof _symbol2.default === \"function\" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? \"symbol\" : typeof obj; };\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = typeof _symbol2.default === \"function\" && _typeof(_iterator2.default) === \"symbol\" ? function (obj) {\n  return typeof obj === \"undefined\" ? \"undefined\" : _typeof(obj);\n} : function (obj) {\n  return obj && typeof _symbol2.default === \"function\" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? \"symbol\" : typeof obj === \"undefined\" ? \"undefined\" : _typeof(obj);\n};","\"use strict\";\n\nexports.__esModule = true;\n\nvar _typeof2 = require(\"../helpers/typeof\");\n\nvar _typeof3 = _interopRequireDefault(_typeof2);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function (self, call) {\n  if (!self) {\n    throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n  }\n\n  return call && ((typeof call === \"undefined\" ? \"undefined\" : (0, _typeof3.default)(call)) === \"object\" || typeof call === \"function\") ? call : self;\n};","// Works with __proto__ only. Old v8 can't work with null proto objects.\n/* eslint-disable no-proto */\nvar isObject = require('./_is-object')\n  , anObject = require('./_an-object');\nvar check = function(O, proto){\n  anObject(O);\n  if(!isObject(proto) && proto !== null)throw TypeError(proto + \": can't set as prototype!\");\n};\nmodule.exports = {\n  set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line\n    function(test, buggy, set){\n      try {\n        set = require('./_ctx')(Function.call, require('./_object-gopd').f(Object.prototype, '__proto__').set, 2);\n        set(test, []);\n        buggy = !(test instanceof Array);\n      } catch(e){ buggy = true; }\n      return function setPrototypeOf(O, proto){\n        check(O, proto);\n        if(buggy)O.__proto__ = proto;\n        else set(O, proto);\n        return O;\n      };\n    }({}, false) : undefined),\n  check: check\n};","// 19.1.3.19 Object.setPrototypeOf(O, proto)\nvar $export = require('./_export');\n$export($export.S, 'Object', {setPrototypeOf: require('./_set-proto').set});","require('../../modules/es6.object.set-prototype-of');\nmodule.exports = require('../../modules/_core').Object.setPrototypeOf;","module.exports = { \"default\": require(\"core-js/library/fn/object/set-prototype-of\"), __esModule: true };","var $export = require('./_export')\n// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\n$export($export.S, 'Object', {create: require('./_object-create')});","require('../../modules/es6.object.create');\nvar $Object = require('../../modules/_core').Object;\nmodule.exports = function create(P, D){\n  return $Object.create(P, D);\n};","module.exports = { \"default\": require(\"core-js/library/fn/object/create\"), __esModule: true };","\"use strict\";\n\nexports.__esModule = true;\n\nvar _setPrototypeOf = require(\"../core-js/object/set-prototype-of\");\n\nvar _setPrototypeOf2 = _interopRequireDefault(_setPrototypeOf);\n\nvar _create = require(\"../core-js/object/create\");\n\nvar _create2 = _interopRequireDefault(_create);\n\nvar _typeof2 = require(\"../helpers/typeof\");\n\nvar _typeof3 = _interopRequireDefault(_typeof2);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function (subClass, superClass) {\n  if (typeof superClass !== \"function\" && superClass !== null) {\n    throw new TypeError(\"Super expression must either be null or a function, not \" + (typeof superClass === \"undefined\" ? \"undefined\" : (0, _typeof3.default)(superClass)));\n  }\n\n  subClass.prototype = (0, _create2.default)(superClass && superClass.prototype, {\n    constructor: {\n      value: subClass,\n      enumerable: false,\n      writable: true,\n      configurable: true\n    }\n  });\n  if (superClass) _setPrototypeOf2.default ? (0, _setPrototypeOf2.default)(subClass, superClass) : subClass.__proto__ = superClass;\n};","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/**\n * Contains utility methods that are useful throughout the library.\n *\n * @public\n */\nclass Utilities {\n\n  /**\n   * Returns the absolute value of a given number.\n   *\n   * This method is simply a convenient shorthand for <code>Math.abs</code> while ensuring that nulls are returned as\n   * <code>null</code> instead of zero.\n   *\n   * @param {number} value - the number whose absolute value is to be returned\n   * @return {number} The absolute value of <code>value</code> or <code>null</code> if <code>value</code> is\n   * <code>null</code>.\n   * @public\n   * @static\n   */\n  static abs(value) {\n    return value != null ? Math.abs(value) : null;\n  }\n\n  /**\n   * Returns whether the specified <code>object</code> has a property with the specified <code>name</code> as an own\n   * (not inherited) property.\n   *\n   * @param {Object} object - the object on which the property is to be checked\n   * @param {string} name - the name of the property to be checked\n   * @return {boolean} <code>true</code> if <code>object</code> has an own property with <code>name</code>.\n   * @public\n   * @static\n   */\n  static hasOwn(object, name) {\n    return Object.prototype.hasOwnProperty.call(object, name);\n  }\n\n  /**\n   * Throws an error indicating that the a given method on a specific class has not been implemented.\n   *\n   * @param {string} className - the name of the class on which the method has not been implemented\n   * @param {string} methodName - the name of the method which has not been implemented\n   * @return {void}\n   * @throws {Error} The error describing the class method which has not been implemented.\n   * @public\n   * @static\n   */\n  static throwUnimplemented(className, methodName) {\n    throw new Error(`\"${methodName}\" method must be implemented on the ${className} class`);\n  }\n\n  /**\n   * Transforms the specified <code>string</code> to upper case while remaining null-safe.\n   *\n   * @param {string} string - the string to be transformed to upper case\n   * @return {string} <code>string</code> transformed to upper case if <code>string</code> is not <code>null</code>.\n   * @public\n   * @static\n   */\n  static toUpperCase(string) {\n    return string != null ? string.toUpperCase() : null;\n  }\n\n}\n\nexport default Utilities;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Utilities from '../util/Utilities';\n\n/**\n * Defines a service contract that must be met by all implementations.\n *\n * @public\n */\nclass Service {\n\n  /**\n   * Returns the name of this {@link Service}.\n   *\n   * @return {string} The service name.\n   * @public\n   */\n  getName() {\n    Utilities.throwUnimplemented('Service', 'getName');\n  }\n\n}\n\nexport default Service;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Service from '../Service';\nimport Utilities from '../../util/Utilities';\n\n/**\n * A service for working with elements.\n *\n * @public\n * @extends Service\n */\nclass ElementService extends Service {\n\n  /**\n   * Creates an instance of a canvas element.\n   *\n   * @return {*} The newly created canvas element.\n   * @public\n   */\n  createCanvas() {\n    Utilities.throwUnimplemented('ElementService', 'createCanvas');\n  }\n\n  /**\n   * Creates an instance of a image element.\n   *\n   * @return {*} The newly created image element.\n   * @public\n   */\n  createImage() {\n    Utilities.throwUnimplemented('ElementService', 'createImage');\n  }\n\n  /**\n   * @override\n   */\n  getName() {\n    return 'element';\n  }\n\n  /**\n   * Returns whether the specified <code>element</code> is a canvas.\n   *\n   * @param {*} element - the element to be checked\n   * @return {boolean} <code>true</code> if <code>element</code> is a canvas; otherwise <code>false</code>.\n   * @public\n   */\n  isCanvas(element) {\n    Utilities.throwUnimplemented('ElementService', 'isCanvas');\n  }\n\n  /**\n   * Returns whether the specified <code>element</code> is an image.\n   *\n   * @param {*} element - the element to be checked\n   * @return {boolean} <code>true</code> if <code>element</code> is an image; otherwise <code>false</code>.\n   * @public\n   */\n  isImage(element) {\n    Utilities.throwUnimplemented('ElementService', 'isImage');\n  }\n\n}\n\nexport default ElementService;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport ElementService from './ElementService';\n\n/**\n * An implementation of {@link ElementService} intended for use within a browser environment.\n *\n * @public\n * @extends ElementService\n */\nclass BrowserElementService extends ElementService {\n\n  /**\n   * @override\n   */\n  createCanvas() {\n    return document.createElement('canvas');\n  }\n\n  /**\n   * @override\n   */\n  createImage() {\n    return document.createElement('img');\n  }\n\n  /**\n   * @override\n   */\n  isCanvas(element) {\n    return element instanceof HTMLCanvasElement;\n  }\n\n  /**\n   * @override\n   */\n  isImage(element) {\n    return element instanceof HTMLImageElement;\n  }\n\n}\n\nexport default BrowserElementService;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Utilities from '../util/Utilities';\n\n/**\n * Responsible for rendering a QR code {@link Frame} on a specific type of element.\n *\n * A renderer may be dependant on the rendering of another element, so the ordering of their execution is important.\n *\n * The rendering of a element can be deferred by disabling the renderer initially, however, any attempt get the element\n * from the renderer will result in it being immediately enabled and the element being rendered.\n *\n * @public\n */\nclass Renderer {\n\n  /**\n   * Creates a new instance of {@link Renderer} for the <code>qrious</code> instance and <code>element</code> provided.\n   *\n   * @param {QRious} qrious - the {@link QRious} instance to be used\n   * @param {*} element - the element onto which the QR code is to be rendered\n   * @param {boolean} [enabled] - <code>true</code> this {@link Renderer} is enabled; otherwise <code>false</code>.\n   * @public\n   */\n  constructor(qrious, element, enabled) {\n    /**\n     * The {@link QRious} instance.\n     *\n     * @protected\n     * @type {QRious}\n     */\n    this.qrious = qrious;\n\n    /**\n     * The element onto which this {@link Renderer} is rendering the QR code.\n     *\n     * @protected\n     * @type {*}\n     */\n    this.element = element;\n    this.element.qrious = qrious;\n\n    /**\n     * Whether this {@link Renderer} is enabled.\n     *\n     * @protected\n     * @type {boolean}\n     */\n    this.enabled = Boolean(enabled);\n  }\n\n  /**\n   * Draws the specified QR code <code>frame</code> on the underlying element.\n   *\n   * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.\n   *\n   * @param {Frame} frame - the {@link Frame} to be drawn\n   * @return {void}\n   * @protected\n   */\n  draw(frame) {\n    Utilities.throwUnimplemented('Renderer', 'draw');\n  }\n\n  /**\n   * Returns the element onto which this {@link Renderer} is rendering the QR code.\n   *\n   * If this method is called while this {@link Renderer} is disabled, it will be immediately enabled and rendered\n   * before the element is returned.\n   *\n   * @return {*} The element.\n   * @public\n   */\n  getElement() {\n    if (!this.enabled) {\n      this.enabled = true;\n      this.render();\n    }\n\n    return this.element;\n  }\n\n  /**\n   * Calculates the size (in pixel units) to represent an individual module within the QR code based on the\n   * <code>frame</code> provided.\n   *\n   * Any configured padding will be excluded from the returned size.\n   *\n   * The returned value will be at least one, even in cases where the size of the QR code does not fit its contents.\n   * This is done so that the inevitable clipping is handled more gracefully since this way at least something is\n   * displayed instead of just a blank space filled by the background color.\n   *\n   * @param {Frame} frame - the {@link Frame} from which the module size is to be derived\n   * @return {number} The pixel size for each module in the QR code which will be no less than one.\n   * @protected\n   */\n  getModuleSize(frame) {\n    const qrious = this.qrious;\n    const padding = qrious.padding || 0;\n    const pixels = Math.floor((qrious.size - (padding * 2)) / frame.width);\n\n    return Math.max(1, pixels);\n  }\n\n  /**\n   * Calculates the offset/padding (in pixel units) to be inserted before the QR code based on the <code>frame</code>\n   * provided.\n   *\n   * The returned value will be zero if there is no available offset or if the size of the QR code does not fit its\n   * contents. It will never be a negative value. This is done so that the inevitable clipping appears more naturally\n   * and it is not clipped from all directions.\n   *\n   * @param {Frame} frame - the {@link Frame} from which the offset is to be derived\n   * @return {number} The pixel offset for the QR code which will be no less than zero.\n   * @protected\n   */\n  getOffset(frame) {\n    const qrious = this.qrious;\n    const padding = qrious.padding;\n\n    if (padding != null) {\n      return padding;\n    }\n\n    const moduleSize = this.getModuleSize(frame);\n    const offset = Math.floor((qrious.size - (moduleSize * frame.width)) / 2);\n\n    return Math.max(0, offset);\n  }\n\n  /**\n   * Renders a QR code on the underlying element based on the <code>frame</code> provided.\n   *\n   * @param {Frame} frame - the {@link Frame} to be rendered\n   * @return {void}\n   * @public\n   */\n  render(frame) {\n    if (this.enabled) {\n      this.resize();\n      this.reset();\n      this.draw(frame);\n    }\n  }\n\n  /**\n   * Resets the underlying element, effectively clearing any previously rendered QR code.\n   *\n   * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.\n   *\n   * @return {void}\n   * @protected\n   */\n  reset() {\n    Utilities.throwUnimplemented('Renderer', 'reset');\n  }\n\n  /**\n   * Ensures that the size of the underlying element matches that defined on the associated {@link QRious} instance.\n   *\n   * Implementations of {@link Renderer} <b>must</b> override this method with their own specific logic.\n   *\n   * @return {void}\n   * @protected\n   */\n  resize() {\n    Utilities.throwUnimplemented('Renderer', 'resize');\n  }\n\n}\n\nexport default Renderer;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Renderer from './Renderer';\n\n/**\n * An implementation of {@link Renderer} for working with <code>canvas</code> elements.\n *\n * @public\n * @extends Renderer\n */\nclass CanvasRenderer extends Renderer {\n\n  /**\n   * @override\n   */\n  draw(frame) {\n    const qrious = this.qrious;\n    const moduleSize = this.getModuleSize(frame);\n    const offset = this.getOffset(frame);\n    const context = this.element.getContext('2d');\n\n    context.fillStyle = qrious.foreground;\n    context.globalAlpha = qrious.foregroundAlpha;\n\n    for (let i = 0; i < frame.width; i++) {\n      for (let j = 0; j < frame.width; j++) {\n        if (frame.buffer[(j * frame.width) + i]) {\n          context.fillRect((moduleSize * i) + offset, (moduleSize * j) + offset, moduleSize, moduleSize);\n        }\n      }\n    }\n  }\n\n  /**\n   * @override\n   */\n  reset() {\n    const qrious = this.qrious;\n    const context = this.element.getContext('2d');\n    const size = qrious.size;\n\n    context.lineWidth = 1;\n    context.clearRect(0, 0, size, size);\n    context.fillStyle = qrious.background;\n    context.globalAlpha = qrious.backgroundAlpha;\n    context.fillRect(0, 0, size, size);\n  }\n\n  /**\n   * @override\n   */\n  resize() {\n    this.element.width = this.element.height = this.qrious.size;\n  }\n\n}\n\nexport default CanvasRenderer;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/* eslint no-multi-spaces: \"off\" */\n\n/**\n * Contains alignment pattern information.\n *\n * @public\n */\nclass Alignment {\n\n  /**\n   * Returns the alignment pattern block.\n   *\n   * @return {number[]} The alignment pattern block.\n   * @public\n   * @static\n   */\n  static get BLOCK() {\n    return [\n      0,  11, 15, 19, 23, 27, 31,\n      16, 18, 20, 22, 24, 26, 28, 20, 22, 24, 24, 26, 28, 28, 22, 24, 24,\n      26, 26, 28, 28, 24, 24, 26, 26, 26, 28, 28, 24, 26, 26, 26, 28, 28\n    ];\n  }\n\n}\n\nexport default Alignment;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/* eslint no-multi-spaces: \"off\" */\n\n/**\n * Contains error correction information.\n *\n * @public\n */\nclass ErrorCorrection {\n\n  /**\n   * Returns the error correction blocks.\n   *\n   * There are four elements per version. The first two indicate the number of blocks, then the data width, and finally\n   * the ECC width.\n   *\n   * @return {number[]} The ECC blocks.\n   * @public\n   * @static\n   */\n  static get BLOCKS() {\n    return [\n      1,  0,  19,  7,     1,  0,  16,  10,    1,  0,  13,  13,    1,  0,  9,   17,\n      1,  0,  34,  10,    1,  0,  28,  16,    1,  0,  22,  22,    1,  0,  16,  28,\n      1,  0,  55,  15,    1,  0,  44,  26,    2,  0,  17,  18,    2,  0,  13,  22,\n      1,  0,  80,  20,    2,  0,  32,  18,    2,  0,  24,  26,    4,  0,  9,   16,\n      1,  0,  108, 26,    2,  0,  43,  24,    2,  2,  15,  18,    2,  2,  11,  22,\n      2,  0,  68,  18,    4,  0,  27,  16,    4,  0,  19,  24,    4,  0,  15,  28,\n      2,  0,  78,  20,    4,  0,  31,  18,    2,  4,  14,  18,    4,  1,  13,  26,\n      2,  0,  97,  24,    2,  2,  38,  22,    4,  2,  18,  22,    4,  2,  14,  26,\n      2,  0,  116, 30,    3,  2,  36,  22,    4,  4,  16,  20,    4,  4,  12,  24,\n      2,  2,  68,  18,    4,  1,  43,  26,    6,  2,  19,  24,    6,  2,  15,  28,\n      4,  0,  81,  20,    1,  4,  50,  30,    4,  4,  22,  28,    3,  8,  12,  24,\n      2,  2,  92,  24,    6,  2,  36,  22,    4,  6,  20,  26,    7,  4,  14,  28,\n      4,  0,  107, 26,    8,  1,  37,  22,    8,  4,  20,  24,    12, 4,  11,  22,\n      3,  1,  115, 30,    4,  5,  40,  24,    11, 5,  16,  20,    11, 5,  12,  24,\n      5,  1,  87,  22,    5,  5,  41,  24,    5,  7,  24,  30,    11, 7,  12,  24,\n      5,  1,  98,  24,    7,  3,  45,  28,    15, 2,  19,  24,    3,  13, 15,  30,\n      1,  5,  107, 28,    10, 1,  46,  28,    1,  15, 22,  28,    2,  17, 14,  28,\n      5,  1,  120, 30,    9,  4,  43,  26,    17, 1,  22,  28,    2,  19, 14,  28,\n      3,  4,  113, 28,    3,  11, 44,  26,    17, 4,  21,  26,    9,  16, 13,  26,\n      3,  5,  107, 28,    3,  13, 41,  26,    15, 5,  24,  30,    15, 10, 15,  28,\n      4,  4,  116, 28,    17, 0,  42,  26,    17, 6,  22,  28,    19, 6,  16,  30,\n      2,  7,  111, 28,    17, 0,  46,  28,    7,  16, 24,  30,    34, 0,  13,  24,\n      4,  5,  121, 30,    4,  14, 47,  28,    11, 14, 24,  30,    16, 14, 15,  30,\n      6,  4,  117, 30,    6,  14, 45,  28,    11, 16, 24,  30,    30, 2,  16,  30,\n      8,  4,  106, 26,    8,  13, 47,  28,    7,  22, 24,  30,    22, 13, 15,  30,\n      10, 2,  114, 28,    19, 4,  46,  28,    28, 6,  22,  28,    33, 4,  16,  30,\n      8,  4,  122, 30,    22, 3,  45,  28,    8,  26, 23,  30,    12, 28, 15,  30,\n      3,  10, 117, 30,    3,  23, 45,  28,    4,  31, 24,  30,    11, 31, 15,  30,\n      7,  7,  116, 30,    21, 7,  45,  28,    1,  37, 23,  30,    19, 26, 15,  30,\n      5,  10, 115, 30,    19, 10, 47,  28,    15, 25, 24,  30,    23, 25, 15,  30,\n      13, 3,  115, 30,    2,  29, 46,  28,    42, 1,  24,  30,    23, 28, 15,  30,\n      17, 0,  115, 30,    10, 23, 46,  28,    10, 35, 24,  30,    19, 35, 15,  30,\n      17, 1,  115, 30,    14, 21, 46,  28,    29, 19, 24,  30,    11, 46, 15,  30,\n      13, 6,  115, 30,    14, 23, 46,  28,    44, 7,  24,  30,    59, 1,  16,  30,\n      12, 7,  121, 30,    12, 26, 47,  28,    39, 14, 24,  30,    22, 41, 15,  30,\n      6,  14, 121, 30,    6,  34, 47,  28,    46, 10, 24,  30,    2,  64, 15,  30,\n      17, 4,  122, 30,    29, 14, 46,  28,    49, 10, 24,  30,    24, 46, 15,  30,\n      4,  18, 122, 30,    13, 32, 46,  28,    48, 14, 24,  30,    42, 32, 15,  30,\n      20, 4,  117, 30,    40, 7,  47,  28,    43, 22, 24,  30,    10, 67, 15,  30,\n      19, 6,  118, 30,    18, 31, 47,  28,    34, 34, 24,  30,    20, 61, 15,  30\n    ];\n  }\n\n  /**\n   * Returns the final format bits with mask (level << 3 | mask).\n   *\n   * @return {number[]} The final format bits.\n   * @public\n   * @static\n   */\n  static get FINAL_FORMAT() {\n    return [\n      // L\n      0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976,\n      // M\n      0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0,\n      // Q\n      0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed,\n      // H\n      0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b\n    ];\n  }\n\n  /**\n   * Returns a map of human-readable ECC levels.\n   *\n   * @return {Object<string, number>} A ECC level mapping.\n   * @public\n   * @static\n   */\n  static get LEVELS() {\n    return {\n      L: 1,\n      M: 2,\n      Q: 3,\n      H: 4\n    };\n  }\n\n}\n\nexport default ErrorCorrection;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/**\n * Contains Galois field information.\n *\n * @public\n */\nclass Galois {\n\n  /**\n   * Returns the Galois field exponent table.\n   *\n   * @return {number[]} The Galois field exponent table.\n   * @public\n   * @static\n   */\n  static get EXPONENT() {\n    return [\n      0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1d, 0x3a, 0x74, 0xe8, 0xcd, 0x87, 0x13, 0x26,\n      0x4c, 0x98, 0x2d, 0x5a, 0xb4, 0x75, 0xea, 0xc9, 0x8f, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0,\n      0x9d, 0x27, 0x4e, 0x9c, 0x25, 0x4a, 0x94, 0x35, 0x6a, 0xd4, 0xb5, 0x77, 0xee, 0xc1, 0x9f, 0x23,\n      0x46, 0x8c, 0x05, 0x0a, 0x14, 0x28, 0x50, 0xa0, 0x5d, 0xba, 0x69, 0xd2, 0xb9, 0x6f, 0xde, 0xa1,\n      0x5f, 0xbe, 0x61, 0xc2, 0x99, 0x2f, 0x5e, 0xbc, 0x65, 0xca, 0x89, 0x0f, 0x1e, 0x3c, 0x78, 0xf0,\n      0xfd, 0xe7, 0xd3, 0xbb, 0x6b, 0xd6, 0xb1, 0x7f, 0xfe, 0xe1, 0xdf, 0xa3, 0x5b, 0xb6, 0x71, 0xe2,\n      0xd9, 0xaf, 0x43, 0x86, 0x11, 0x22, 0x44, 0x88, 0x0d, 0x1a, 0x34, 0x68, 0xd0, 0xbd, 0x67, 0xce,\n      0x81, 0x1f, 0x3e, 0x7c, 0xf8, 0xed, 0xc7, 0x93, 0x3b, 0x76, 0xec, 0xc5, 0x97, 0x33, 0x66, 0xcc,\n      0x85, 0x17, 0x2e, 0x5c, 0xb8, 0x6d, 0xda, 0xa9, 0x4f, 0x9e, 0x21, 0x42, 0x84, 0x15, 0x2a, 0x54,\n      0xa8, 0x4d, 0x9a, 0x29, 0x52, 0xa4, 0x55, 0xaa, 0x49, 0x92, 0x39, 0x72, 0xe4, 0xd5, 0xb7, 0x73,\n      0xe6, 0xd1, 0xbf, 0x63, 0xc6, 0x91, 0x3f, 0x7e, 0xfc, 0xe5, 0xd7, 0xb3, 0x7b, 0xf6, 0xf1, 0xff,\n      0xe3, 0xdb, 0xab, 0x4b, 0x96, 0x31, 0x62, 0xc4, 0x95, 0x37, 0x6e, 0xdc, 0xa5, 0x57, 0xae, 0x41,\n      0x82, 0x19, 0x32, 0x64, 0xc8, 0x8d, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0, 0xdd, 0xa7, 0x53, 0xa6,\n      0x51, 0xa2, 0x59, 0xb2, 0x79, 0xf2, 0xf9, 0xef, 0xc3, 0x9b, 0x2b, 0x56, 0xac, 0x45, 0x8a, 0x09,\n      0x12, 0x24, 0x48, 0x90, 0x3d, 0x7a, 0xf4, 0xf5, 0xf7, 0xf3, 0xfb, 0xeb, 0xcb, 0x8b, 0x0b, 0x16,\n      0x2c, 0x58, 0xb0, 0x7d, 0xfa, 0xe9, 0xcf, 0x83, 0x1b, 0x36, 0x6c, 0xd8, 0xad, 0x47, 0x8e, 0x00\n    ];\n  }\n\n  /**\n   * Returns the Galois field log table.\n   *\n   * @return {number[]} The Galois field log table.\n   * @public\n   * @static\n   */\n  static get LOG() {\n    return [\n      0xff, 0x00, 0x01, 0x19, 0x02, 0x32, 0x1a, 0xc6, 0x03, 0xdf, 0x33, 0xee, 0x1b, 0x68, 0xc7, 0x4b,\n      0x04, 0x64, 0xe0, 0x0e, 0x34, 0x8d, 0xef, 0x81, 0x1c, 0xc1, 0x69, 0xf8, 0xc8, 0x08, 0x4c, 0x71,\n      0x05, 0x8a, 0x65, 0x2f, 0xe1, 0x24, 0x0f, 0x21, 0x35, 0x93, 0x8e, 0xda, 0xf0, 0x12, 0x82, 0x45,\n      0x1d, 0xb5, 0xc2, 0x7d, 0x6a, 0x27, 0xf9, 0xb9, 0xc9, 0x9a, 0x09, 0x78, 0x4d, 0xe4, 0x72, 0xa6,\n      0x06, 0xbf, 0x8b, 0x62, 0x66, 0xdd, 0x30, 0xfd, 0xe2, 0x98, 0x25, 0xb3, 0x10, 0x91, 0x22, 0x88,\n      0x36, 0xd0, 0x94, 0xce, 0x8f, 0x96, 0xdb, 0xbd, 0xf1, 0xd2, 0x13, 0x5c, 0x83, 0x38, 0x46, 0x40,\n      0x1e, 0x42, 0xb6, 0xa3, 0xc3, 0x48, 0x7e, 0x6e, 0x6b, 0x3a, 0x28, 0x54, 0xfa, 0x85, 0xba, 0x3d,\n      0xca, 0x5e, 0x9b, 0x9f, 0x0a, 0x15, 0x79, 0x2b, 0x4e, 0xd4, 0xe5, 0xac, 0x73, 0xf3, 0xa7, 0x57,\n      0x07, 0x70, 0xc0, 0xf7, 0x8c, 0x80, 0x63, 0x0d, 0x67, 0x4a, 0xde, 0xed, 0x31, 0xc5, 0xfe, 0x18,\n      0xe3, 0xa5, 0x99, 0x77, 0x26, 0xb8, 0xb4, 0x7c, 0x11, 0x44, 0x92, 0xd9, 0x23, 0x20, 0x89, 0x2e,\n      0x37, 0x3f, 0xd1, 0x5b, 0x95, 0xbc, 0xcf, 0xcd, 0x90, 0x87, 0x97, 0xb2, 0xdc, 0xfc, 0xbe, 0x61,\n      0xf2, 0x56, 0xd3, 0xab, 0x14, 0x2a, 0x5d, 0x9e, 0x84, 0x3c, 0x39, 0x53, 0x47, 0x6d, 0x41, 0xa2,\n      0x1f, 0x2d, 0x43, 0xd8, 0xb7, 0x7b, 0xa4, 0x76, 0xc4, 0x17, 0x49, 0xec, 0x7f, 0x0c, 0x6f, 0xf6,\n      0x6c, 0xa1, 0x3b, 0x52, 0x29, 0x9d, 0x55, 0xaa, 0xfb, 0x60, 0x86, 0xb1, 0xbb, 0xcc, 0x3e, 0x5a,\n      0xcb, 0x59, 0x5f, 0xb0, 0x9c, 0xa9, 0xa0, 0x51, 0x0b, 0xf5, 0x16, 0xeb, 0x7a, 0x75, 0x2c, 0xd7,\n      0x4f, 0xae, 0xd5, 0xe9, 0xe6, 0xe7, 0xad, 0xe8, 0x74, 0xd6, 0xf4, 0xea, 0xa8, 0x50, 0x58, 0xaf\n    ];\n  }\n\n}\n\nexport default Galois;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/**\n * Contains version pattern information.\n *\n * @public\n */\nclass Version {\n\n  /**\n   * Returns the version pattern block.\n   *\n   * @return {number[]} The version pattern block.\n   * @public\n   * @static\n   */\n  static get BLOCK() {\n    return [\n      0xc94, 0x5bc, 0xa99, 0x4d3, 0xbf6, 0x762, 0x847, 0x60d, 0x928, 0xb78, 0x45d, 0xa17, 0x532,\n      0x9a6, 0x683, 0x8c9, 0x7ec, 0xec4, 0x1e1, 0xfab, 0x08e, 0xc1a, 0x33f, 0xd75, 0x250, 0x9d5,\n      0x6f0, 0x8ba, 0x79f, 0xb0b, 0x42e, 0xa64, 0x541, 0xc69\n    ];\n  }\n\n}\n\nexport default Version;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Alignment from './Alignment';\nimport ErrorCorrection from './ErrorCorrection';\nimport Galois from './Galois';\nimport Version from './Version';\n\n/**\n * Generates information for a QR code frame based on a specific value to be encoded.\n *\n * @public\n */\nclass Frame {\n\n  static _createArray(length) {\n    const array = [];\n\n    for (let i = 0; i < length; i++) {\n      array[i] = 0;\n    }\n\n    return array;\n  }\n\n  static _getMaskBit(x, y) {\n    let bit;\n\n    if (x > y) {\n      bit = x;\n      x = y;\n      y = bit;\n    }\n\n    bit = y;\n    bit += y * y;\n    bit >>= 1;\n    bit += x;\n\n    return bit;\n  }\n\n  static _modN(x) {\n    while (x >= 255) {\n      x -= 255;\n      x = (x >> 8) + (x & 255);\n    }\n\n    return x;\n  }\n\n  // *Badness* coefficients.\n  static get N1() {\n    return 3;\n  }\n  static get N2() {\n    return 3;\n  }\n  static get N3() {\n    return 40;\n  }\n  static get N4() {\n    return 10;\n  }\n\n  /**\n   * Creates an instance of {@link Frame} based on the <code>options</code> provided.\n   *\n   * @param {Frame~Options} options - the options to be used\n   * @public\n   */\n  constructor(options) {\n    this._badness = [];\n    this._level = ErrorCorrection.LEVELS[options.level];\n    this._polynomial = [];\n    this._value = options.value;\n    this._valueLength = this._value.length;\n    this._version = 0;\n    this._stringBuffer = [];\n\n    let dataBlock;\n    let eccBlock;\n    let neccBlock1;\n    let neccBlock2;\n\n    while (this._version < 40) {\n      this._version++;\n\n      let index = ((this._level - 1) * 4) + ((this._version - 1) * 16);\n\n      neccBlock1 = ErrorCorrection.BLOCKS[index++];\n      neccBlock2 = ErrorCorrection.BLOCKS[index++];\n      dataBlock = ErrorCorrection.BLOCKS[index++];\n      eccBlock = ErrorCorrection.BLOCKS[index];\n\n      index = (dataBlock * (neccBlock1 + neccBlock2)) + neccBlock2 - 3 + (this._version <= 9);\n\n      if (this._valueLength <= index) {\n        break;\n      }\n    }\n\n    this._dataBlock = dataBlock;\n    this._eccBlock = eccBlock;\n    this._neccBlock1 = neccBlock1;\n    this._neccBlock2 = neccBlock2;\n\n    /**\n     * The data width is based on version.\n     *\n     * @public\n     * @type {number}\n     */\n    // FIXME: Ensure that it fits instead of being truncated.\n    this.width = 17 + (4 * this._version);\n\n    /**\n     * The image buffer.\n     *\n     * @public\n     * @type {number[]}\n     */\n    this.buffer = Frame._createArray(this.width * this.width);\n\n    this._ecc = Frame._createArray(this._dataBlock + ((this._dataBlock + this._eccBlock) *\n      (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2);\n    this._mask = Frame._createArray(((this.width * (this.width + 1)) + 1) / 2);\n\n    this._insertFinders();\n    this._insertAlignments();\n\n    // Insert single foreground cell.\n    this.buffer[8 + (this.width * (this.width - 8))] = 1;\n\n    this._insertTimingGap();\n    this._reverseMask();\n    this._insertTimingRowAndColumn();\n    this._insertVersion();\n    this._syncMask();\n    this._convertBitStream(this._value.length);\n    this._calculatePolynomial();\n    this._appendEccToData();\n    this._interleaveBlocks();\n    this._pack();\n    this._finish();\n  }\n\n  _addAlignment(x, y) {\n    this.buffer[x + (this.width * y)] = 1;\n\n    for (let i = -2; i < 2; i++) {\n      this.buffer[x + i + (this.width * (y - 2))] = 1;\n      this.buffer[x - 2 + (this.width * (y + i + 1))] = 1;\n      this.buffer[x + 2 + (this.width * (y + i))] = 1;\n      this.buffer[x + i + 1 + (this.width * (y + 2))] = 1;\n    }\n\n    for (let i = 0; i < 2; i++) {\n      this._setMask(x - 1, y + i);\n      this._setMask(x + 1, y - i);\n      this._setMask(x - i, y - 1);\n      this._setMask(x + i, y + 1);\n    }\n  }\n\n  _appendData(data, dataLength, ecc, eccLength) {\n    for (let i = 0; i < eccLength; i++) {\n      this._stringBuffer[ecc + i] = 0;\n    }\n\n    for (let i = 0; i < dataLength; i++) {\n      const bit = Galois.LOG[this._stringBuffer[data + i] ^ this._stringBuffer[ecc]];\n\n      if (bit !== 255) {\n        for (let j = 1; j < eccLength; j++) {\n          this._stringBuffer[ecc + j - 1] = this._stringBuffer[ecc + j] ^\n            Galois.EXPONENT[Frame._modN(bit + this._polynomial[eccLength - j])];\n        }\n      } else {\n        for (let j = ecc; j < ecc + eccLength; j++) {\n          this._stringBuffer[j] = this._stringBuffer[j + 1];\n        }\n      }\n\n      this._stringBuffer[ecc + eccLength - 1] = bit === 255 ? 0\n        : Galois.EXPONENT[Frame._modN(bit + this._polynomial[0])];\n    }\n  }\n\n  _appendEccToData() {\n    let data = 0;\n    let ecc = this._calculateMaxLength();\n\n    for (let i = 0; i < this._neccBlock1; i++) {\n      this._appendData(data, this._dataBlock, ecc, this._eccBlock);\n\n      data += this._dataBlock;\n      ecc += this._eccBlock;\n    }\n\n    for (let i = 0; i < this._neccBlock2; i++) {\n      this._appendData(data, this._dataBlock + 1, ecc, this._eccBlock);\n\n      data += this._dataBlock + 1;\n      ecc += this._eccBlock;\n    }\n  }\n\n  _applyMask(mask) {\n    const width = this.width;\n\n    switch (mask) {\n    case 0:\n      for (let y = 0; y < width; y++) {\n        for (let x = 0; x < width; x++) {\n          if (!((x + y) & 1) && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 1:\n      for (let y = 0; y < width; y++) {\n        for (let x = 0; x < width; x++) {\n          if (!(y & 1) && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 2:\n      for (let y = 0; y < width; y++) {\n        for (let r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!r3x && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 3:\n      for (let r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (let r3x = r3y, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!r3x && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 4:\n      for (let y = 0; y < width; y++) {\n        for (let r3x = 0, r3y = (y >> 1) & 1, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n            r3y = !r3y;\n          }\n\n          if (!r3y && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 5:\n      for (let r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (let r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!((x & y & 1) + !(!r3x | !r3y)) && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 6:\n      for (let r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (let r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!((x & y & 1) + (r3x && r3x === r3y) & 1) && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    case 7:\n      for (let r3y = 0, y = 0; y < width; y++, r3y++) {\n        if (r3y === 3) {\n          r3y = 0;\n        }\n\n        for (let r3x = 0, x = 0; x < width; x++, r3x++) {\n          if (r3x === 3) {\n            r3x = 0;\n          }\n\n          if (!((r3x && r3x === r3y) + (x + y & 1) & 1) && !this._isMasked(x, y)) {\n            this.buffer[x + (y * width)] ^= 1;\n          }\n        }\n      }\n\n      break;\n    }\n  }\n\n  _calculateMaxLength() {\n    return (this._dataBlock * (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2;\n  }\n\n  _calculatePolynomial() {\n    this._polynomial[0] = 1;\n\n    for (let i = 0; i < this._eccBlock; i++) {\n      this._polynomial[i + 1] = 1;\n\n      for (let j = i; j > 0; j--) {\n        this._polynomial[j] = this._polynomial[j] ? this._polynomial[j - 1] ^\n          Galois.EXPONENT[Frame._modN(Galois.LOG[this._polynomial[j]] + i)] : this._polynomial[j - 1];\n      }\n\n      this._polynomial[0] = Galois.EXPONENT[Frame._modN(Galois.LOG[this._polynomial[0]] + i)];\n    }\n\n    // Use logs for generator polynomial to save calculation step.\n    for (let i = 0; i <= this._eccBlock; i++) {\n      this._polynomial[i] = Galois.LOG[this._polynomial[i]];\n    }\n  }\n\n  _checkBadness() {\n    let bad = 0;\n    const width = this.width;\n\n    // Blocks of same colour.\n    for (let y = 0; y < width - 1; y++) {\n      for (let x = 0; x < width - 1; x++) {\n        // All foreground colour.\n        if ((this.buffer[x + (width * y)] &&\n          this.buffer[x + 1 + (width * y)] &&\n          this.buffer[x + (width * (y + 1))] &&\n          this.buffer[x + 1 + (width * (y + 1))]) ||\n          // All background colour.\n          !(this.buffer[x + (width * y)] ||\n          this.buffer[x + 1 + (width * y)] ||\n          this.buffer[x + (width * (y + 1))] ||\n          this.buffer[x + 1 + (width * (y + 1))])) {\n          bad += Frame.N2;\n        }\n      }\n    }\n\n    let bw = 0;\n\n    // X runs.\n    for (let y = 0; y < width; y++) {\n      let h = 0;\n\n      this._badness[0] = 0;\n\n      for (let b = 0, x = 0; x < width; x++) {\n        const b1 = this.buffer[x + (width * y)];\n\n        if (b === b1) {\n          this._badness[h]++;\n        } else {\n          this._badness[++h] = 1;\n        }\n\n        b = b1;\n        bw += b ? 1 : -1;\n      }\n\n      bad += this._getBadness(h);\n    }\n\n    if (bw < 0) {\n      bw = -bw;\n    }\n\n    let count = 0;\n    let big = bw;\n    big += big << 2;\n    big <<= 1;\n\n    while (big > width * width) {\n      big -= width * width;\n      count++;\n    }\n\n    bad += count * Frame.N4;\n\n    // Y runs.\n    for (let x = 0; x < width; x++) {\n      let h = 0;\n\n      this._badness[0] = 0;\n\n      for (let b = 0, y = 0; y < width; y++) {\n        const b1 = this.buffer[x + (width * y)];\n\n        if (b === b1) {\n          this._badness[h]++;\n        } else {\n          this._badness[++h] = 1;\n        }\n\n        b = b1;\n      }\n\n      bad += this._getBadness(h);\n    }\n\n    return bad;\n  }\n\n  _convertBitStream(length) {\n    // Convert string to bit stream. 8-bit data to QR-coded 8-bit data (numeric, alphanumeric, or kanji not supported).\n    for (let i = 0; i < length; i++) {\n      this._ecc[i] = this._value.charCodeAt(i);\n    }\n\n    this._stringBuffer = this._ecc.slice(0);\n\n    const maxLength = this._calculateMaxLength();\n\n    if (length >= maxLength - 2) {\n      length = maxLength - 2;\n\n      if (this._version > 9) {\n        length--;\n      }\n    }\n\n    // Shift and re-pack to insert length prefix.\n    let index = length;\n\n    if (this._version > 9) {\n      this._stringBuffer[index + 2] = 0;\n      this._stringBuffer[index + 3] = 0;\n\n      while (index--) {\n        const bit = this._stringBuffer[index];\n\n        this._stringBuffer[index + 3] |= 255 & (bit << 4);\n        this._stringBuffer[index + 2] = bit >> 4;\n      }\n\n      this._stringBuffer[2] |= 255 & (length << 4);\n      this._stringBuffer[1] = length >> 4;\n      this._stringBuffer[0] = 0x40 | (length >> 12);\n    } else {\n      this._stringBuffer[index + 1] = 0;\n      this._stringBuffer[index + 2] = 0;\n\n      while (index--) {\n        const bit = this._stringBuffer[index];\n\n        this._stringBuffer[index + 2] |= 255 & (bit << 4);\n        this._stringBuffer[index + 1] = bit >> 4;\n      }\n\n      this._stringBuffer[1] |= 255 & (length << 4);\n      this._stringBuffer[0] = 0x40 | (length >> 4);\n    }\n\n    // Fill to end with pad pattern.\n    index = length + 3 - (this._version < 10);\n\n    while (index < maxLength) {\n      this._stringBuffer[index++] = 0xec;\n      this._stringBuffer[index++] = 0x11;\n    }\n  }\n\n  _getBadness(length) {\n    let badRuns = 0;\n\n    for (let i = 0; i <= length; i++) {\n      if (this._badness[i] >= 5) {\n        badRuns += Frame.N1 + this._badness[i] - 5;\n      }\n    }\n\n    // FBFFFBF as in finder.\n    for (let i = 3; i < length - 1; i += 2) {\n      if (this._badness[i - 2] === this._badness[i + 2] &&\n        this._badness[i + 2] === this._badness[i - 1] &&\n        this._badness[i - 1] === this._badness[i + 1] &&\n        this._badness[i - 1] * 3 === this._badness[i] &&\n        // Background around the foreground pattern? Not part of the specs.\n        (this._badness[i - 3] === 0 || i + 3 > length ||\n        this._badness[i - 3] * 3 >= this._badness[i] * 4 ||\n        this._badness[i + 3] * 3 >= this._badness[i] * 4)) {\n        badRuns += Frame.N3;\n      }\n    }\n\n    return badRuns;\n  }\n\n  _finish() {\n    // Save pre-mask copy of frame.\n    this._stringBuffer = this.buffer.slice(0);\n\n    let bit = 0;\n    let i;\n    let mask = 30000;\n\n    /*\n     * Using for instead of while since in original Arduino code if an early mask was \"good enough\" it wouldn't try for\n     * a better one since they get more complex and take longer.\n     */\n    for (i = 0; i < 8; i++) {\n      // Returns foreground-background imbalance.\n      this._applyMask(i);\n\n      const currentMask = this._checkBadness();\n\n      // Is current mask better than previous best?\n      if (currentMask < mask) {\n        mask = currentMask;\n        bit = i;\n      }\n\n      // Don't increment \"i\" to a void redoing mask.\n      if (bit === 7) {\n        break;\n      }\n\n      // Reset for next pass.\n      this.buffer = this._stringBuffer.slice(0);\n    }\n\n    // Redo best mask as none were \"good enough\" (i.e. last wasn't bit).\n    if (bit !== i) {\n      this._applyMask(bit);\n    }\n\n    // Add in final mask/ECC level bytes.\n    mask = ErrorCorrection.FINAL_FORMAT[bit + (this._level - 1 << 3)];\n\n    // Low byte.\n    for (i = 0; i < 8; i++, mask >>= 1) {\n      if (mask & 1) {\n        this.buffer[this.width - 1 - i + (this.width * 8)] = 1;\n\n        if (i < 6) {\n          this.buffer[8 + (this.width * i)] = 1;\n        } else {\n          this.buffer[8 + (this.width * (i + 1))] = 1;\n        }\n      }\n    }\n\n    // High byte.\n    for (i = 0; i < 7; i++, mask >>= 1) {\n      if (mask & 1) {\n        this.buffer[8 + (this.width * (this.width - 7 + i))] = 1;\n\n        if (i) {\n          this.buffer[6 - i + (this.width * 8)] = 1;\n        } else {\n          this.buffer[7 + (this.width * 8)] = 1;\n        }\n      }\n    }\n  }\n\n  _interleaveBlocks() {\n    const maxLength = this._calculateMaxLength();\n    let i;\n    let k = 0;\n\n    for (i = 0; i < this._dataBlock; i++) {\n      for (let j = 0; j < this._neccBlock1; j++) {\n        this._ecc[k++] = this._stringBuffer[i + (j * this._dataBlock)];\n      }\n\n      for (let j = 0; j < this._neccBlock2; j++) {\n        this._ecc[k++] = this._stringBuffer[(this._neccBlock1 * this._dataBlock) + i + (j * (this._dataBlock + 1))];\n      }\n    }\n\n    for (let j = 0; j < this._neccBlock2; j++) {\n      this._ecc[k++] = this._stringBuffer[(this._neccBlock1 * this._dataBlock) + i + (j * (this._dataBlock + 1))];\n    }\n\n    for (i = 0; i < this._eccBlock; i++) {\n      for (let j = 0; j < this._neccBlock1 + this._neccBlock2; j++) {\n        this._ecc[k++] = this._stringBuffer[maxLength + i + (j * this._eccBlock)];\n      }\n    }\n\n    this._stringBuffer = this._ecc;\n  }\n\n  _insertAlignments() {\n    const width = this.width;\n\n    if (this._version > 1) {\n      const i = Alignment.BLOCK[this._version];\n      let y = width - 7;\n\n      for (;;) {\n        let x = width - 7;\n\n        while (x > i - 3) {\n          this._addAlignment(x, y);\n\n          if (x < i) {\n            break;\n          }\n\n          x -= i;\n        }\n\n        if (y <= i + 9) {\n          break;\n        }\n\n        y -= i;\n\n        this._addAlignment(6, y);\n        this._addAlignment(y, 6);\n      }\n    }\n  }\n\n  _insertFinders() {\n    const width = this.width;\n\n    for (let i = 0; i < 3; i++) {\n      let j = 0;\n      let y = 0;\n\n      if (i === 1) {\n        j = width - 7;\n      }\n      if (i === 2) {\n        y = width - 7;\n      }\n\n      this.buffer[y + 3 + (width * (j + 3))] = 1;\n\n      for (let x = 0; x < 6; x++) {\n        this.buffer[y + x + (width * j)] = 1;\n        this.buffer[y + (width * (j + x + 1))] = 1;\n        this.buffer[y + 6 + (width * (j + x))] = 1;\n        this.buffer[y + x + 1 + (width * (j + 6))] = 1;\n      }\n\n      for (let x = 1; x < 5; x++) {\n        this._setMask(y + x, j + 1);\n        this._setMask(y + 1, j + x + 1);\n        this._setMask(y + 5, j + x);\n        this._setMask(y + x + 1, j + 5);\n      }\n\n      for (let x = 2; x < 4; x++) {\n        this.buffer[y + x + (width * (j + 2))] = 1;\n        this.buffer[y + 2 + (width * (j + x + 1))] = 1;\n        this.buffer[y + 4 + (width * (j + x))] = 1;\n        this.buffer[y + x + 1 + (width * (j + 4))] = 1;\n      }\n    }\n  }\n\n  _insertTimingGap() {\n    const width = this.width;\n\n    for (let y = 0; y < 7; y++) {\n      this._setMask(7, y);\n      this._setMask(width - 8, y);\n      this._setMask(7, y + width - 7);\n    }\n\n    for (let x = 0; x < 8; x++) {\n      this._setMask(x, 7);\n      this._setMask(x + width - 8, 7);\n      this._setMask(x, width - 8);\n    }\n  }\n\n  _insertTimingRowAndColumn() {\n    const width = this.width;\n\n    for (let x = 0; x < width - 14; x++) {\n      if (x & 1) {\n        this._setMask(8 + x, 6);\n        this._setMask(6, 8 + x);\n      } else {\n        this.buffer[8 + x + (width * 6)] = 1;\n        this.buffer[6 + (width * (8 + x))] = 1;\n      }\n    }\n  }\n\n  _insertVersion() {\n    const width = this.width;\n\n    if (this._version > 6) {\n      const i = Version.BLOCK[this._version - 7];\n      let j = 17;\n\n      for (let x = 0; x < 6; x++) {\n        for (let y = 0; y < 3; y++, j--) {\n          if (1 & (j > 11 ? this._version >> j - 12 : i >> j)) {\n            this.buffer[5 - x + (width * (2 - y + width - 11))] = 1;\n            this.buffer[2 - y + width - 11 + (width * (5 - x))] = 1;\n          } else {\n            this._setMask(5 - x, 2 - y + width - 11);\n            this._setMask(2 - y + width - 11, 5 - x);\n          }\n        }\n      }\n    }\n  }\n\n  _isMasked(x, y) {\n    const bit = Frame._getMaskBit(x, y);\n\n    return this._mask[bit] === 1;\n  }\n\n  _pack() {\n    let x = this.width - 1;\n    let y = this.width - 1;\n    let k = 1;\n    let v = 1;\n\n    // Interleaved data and ECC codes.\n    const length = ((this._dataBlock + this._eccBlock) * (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2;\n\n    for (let i = 0; i < length; i++) {\n      let bit = this._stringBuffer[i];\n\n      for (let j = 0; j < 8; j++, bit <<= 1) {\n        if (0x80 & bit) {\n          this.buffer[x + (this.width * y)] = 1;\n        }\n\n        // Find next fill position.\n        do {\n          if (v) {\n            x--;\n          } else {\n            x++;\n\n            if (k) {\n              if (y !== 0) {\n                y--;\n              } else {\n                x -= 2;\n                k = !k;\n\n                if (x === 6) {\n                  x--;\n                  y = 9;\n                }\n              }\n            } else if (y !== this.width - 1) {\n              y++;\n            } else {\n              x -= 2;\n              k = !k;\n\n              if (x === 6) {\n                x--;\n                y -= 8;\n              }\n            }\n          }\n\n          v = !v;\n        } while (this._isMasked(x, y));\n      }\n    }\n  }\n\n  _reverseMask() {\n    const width = this.width;\n\n    for (let x = 0; x < 9; x++) {\n      this._setMask(x, 8);\n    }\n\n    for (let x = 0; x < 8; x++) {\n      this._setMask(x + width - 8, 8);\n      this._setMask(8, x);\n    }\n\n    for (let y = 0; y < 7; y++) {\n      this._setMask(8, y + width - 7);\n    }\n  }\n\n  _setMask(x, y) {\n    const bit = Frame._getMaskBit(x, y);\n\n    this._mask[bit] = 1;\n  }\n\n  _syncMask() {\n    const width = this.width;\n\n    for (let y = 0; y < width; y++) {\n      for (let x = 0; x <= y; x++) {\n        if (this.buffer[x + (width * y)]) {\n          this._setMask(x, y);\n        }\n      }\n    }\n  }\n\n}\n\nexport default Frame;\n\n/**\n * The options used by {@link Frame}.\n *\n * @typedef {Object} Frame~Options\n * @property {string} level - The ECC level to be used.\n * @property {string} value - The value to be encoded.\n */\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Renderer from './Renderer';\n\n/**\n * An implementation of {@link Renderer} for working with <code>img</code> elements.\n *\n * This depends on {@link CanvasRenderer} being executed first as this implementation simply applies the data URL from\n * the rendered <code>canvas</code> element as the <code>src</code> for the <code>img</code> element being rendered.\n *\n * @public\n * @extends Renderer\n */\nclass ImageRenderer extends Renderer {\n\n  /**\n   * @override\n   */\n  draw() {\n    this.element.src = this.qrious.toDataURL();\n  }\n\n  /**\n   * @override\n   */\n  reset() {\n    this.element.src = '';\n  }\n\n  /**\n   * @override\n   */\n  resize() {\n    this.element.width = this.element.height = this.qrious.size;\n  }\n\n}\n\nexport default ImageRenderer;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/**\n * Defines an available option while also configuring how values are applied to the target object.\n *\n * While a value associated with an option can be changed on the target object, the option definition itself is\n * immutable.\n *\n * @public\n */\nclass Option {\n\n  /**\n   * Creates a new instance of {@link Option} based on the <code>name</code> provided.\n   *\n   * Optionally, a <code>defaultValue</code> can be specified as well a <code>valueTransformer</code> and\n   * <code>fieldNameResolver</code> for greater control over how the option value is applied.\n   *\n   * If no <code>valueTransformer</code> is specified, then any specified option will be applied directly.\n   *\n   * If no <code>fieldNameResolver</code> is specified, then the field name will be resolved to <code>name</code>\n   * prefixed with a single underscore when the option is applied.\n   *\n   * @param {string} name - the name to be used\n   * @param {*} [defaultValue] - the default value to be used\n   * @param {Option~ValueTransformer} [valueTransformer] - the value transformer to be used\n   * @param {Option~FieldNameResolver} [fieldNameResolver] - the field name resolver to be used\n   * @public\n   */\n  constructor(name, defaultValue, valueTransformer, fieldNameResolver) {\n    this._name = name;\n    this._defaultValue = defaultValue;\n    this._valueTransformer = valueTransformer;\n    this._fieldName = typeof fieldNameResolver === 'function' ? fieldNameResolver(this) : `_${name}`;\n  }\n\n  /**\n   * Transforms the specified <code>value</code> so that it can be applied for this {@link Option}.\n   *\n   * If a value transformer has been specified for this {@link Option}, it will be called upon to transform\n   * <code>value</code>. Otherwise, <code>value</code> will be returned directly.\n   *\n   * @param {*} value - the value to be transformed\n   * @return {*} The transformed value or <code>value</code> if no value transformer is specified.\n   * @public\n   */\n  transform(value) {\n    const transformer = this._valueTransformer;\n    if (typeof transformer === 'function') {\n      return transformer(value, this);\n    }\n\n    return value;\n  }\n\n  /**\n   * Returns the field name for this {@link Option}.\n   *\n   * @return {string} The field name.\n   * @public\n   */\n  get fieldName() {\n    return this._fieldName;\n  }\n\n  /**\n   * Returns the name for this {@link Option}.\n   *\n   * @return {string} The name.\n   * @public\n   */\n  get name() {\n    return this._name;\n  }\n\n  /**\n   * Returns the default value for this {@link Option}.\n   *\n   * @return {*} The default value.\n   * @public\n   */\n  get defaultValue() {\n    return this._defaultValue;\n  }\n\n}\n\nexport default Option;\n\n/**\n * Returns the field name to which the specified <code>option</code> is associated on the target object.\n *\n * The resolved name will be used to identify the field that values for <code>option</code> are to be read from and\n * written to.\n *\n * This function will only called once for <code>option</code>, upon initialization.\n *\n * @callback Option~FieldNameResolver\n * @param {Option} option - the {@link Option} whose field name is to be resolved\n * @return {string} The resolved field name for <code>option</code>.\n */\n\n/**\n * Returns a transformed value for the specified <code>value</code> to be applied for the <code>option</code> provided.\n *\n * @callback Option~ValueTransformer\n * @param {*} value - the value to be transformed\n * @param {Option} option - the {@link Option} for which <code>value</code> is being transformed\n * @return {*} The transform value.\n */\n","var getKeys   = require('./_object-keys')\n  , toIObject = require('./_to-iobject')\n  , isEnum    = require('./_object-pie').f;\nmodule.exports = function(isEntries){\n  return function(it){\n    var O      = toIObject(it)\n      , keys   = getKeys(O)\n      , length = keys.length\n      , i      = 0\n      , result = []\n      , key;\n    while(length > i)if(isEnum.call(O, key = keys[i++])){\n      result.push(isEntries ? [key, O[key]] : O[key]);\n    } return result;\n  };\n};","// https://github.com/tc39/proposal-object-values-entries\nvar $export = require('./_export')\n  , $values = require('./_object-to-array')(false);\n\n$export($export.S, 'Object', {\n  values: function values(it){\n    return $values(it);\n  }\n});","require('../../modules/es7.object.values');\nmodule.exports = require('../../modules/_core').Object.values;","module.exports = { \"default\": require(\"core-js/library/fn/object/values\"), __esModule: true };","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport Utilities from '../util/Utilities';\n\n/**\n * Manages multiple {@link Option} instances that are intended to be used by multiple implementations.\n *\n * Although the option definitions are shared between targets, the values are maintained on the targets themselves.\n *\n * While a value associated with each option can be changed on the target objects, the manager and the option\n * definitions themselves are immutable.\n *\n * @public\n */\nclass OptionManager {\n\n  static _get(option, target) {\n    return target[option.fieldName];\n  }\n\n  static _set(option, value, target) {\n    const fieldName = option.fieldName;\n    const oldValue = target[fieldName];\n    const newValue = option.transform(value != null ? value : option.defaultValue);\n\n    target[fieldName] = newValue;\n\n    return newValue !== oldValue;\n  }\n\n  /**\n   * Creates a new instance of {@link OptionManager} for the specified available <code>options</code>.\n   *\n   * @param {Option[]} options - the options to be used\n   * @public\n   */\n  constructor(options) {\n    this._options = {};\n\n    options.forEach((option) => {\n      this._options[option.name] = option;\n    });\n  }\n\n  /**\n   * Sets the default values for all of the available options on the <code>target</code> object provided.\n   *\n   * @param {Object} target - the object on which the default values are to be set for each available option\n   * @return {void}\n   * @public\n   */\n  applyDefaults(target) {\n    const options = this._options;\n\n    for (const name in options) {\n      if (Utilities.hasOwn(options, name)) {\n        const option = options[name];\n\n        OptionManager._set(option, option.defaultValue, target);\n      }\n    }\n  }\n\n  /**\n   * Returns whether an option with the specified <code>name</code> is available.\n   *\n   * @param {string} name - the name of the {@link Option} whose existence is to be checked\n   * @return {boolean} <code>true</code> if an {@link Option} exists with <code>name</code>; otherwise\n   * <code>false</code>.\n   * @public\n   */\n  exists(name) {\n    return this._options[name] != null;\n  }\n\n  /**\n   * Returns the value of the option with the specified <code>name</code> on the <code>target</code> object provided.\n   *\n   * @param {string} name - the name of the {@link Option} whose value on <code>target</code> is to be returned\n   * @param {Object} target - the object from which the value of the named {@link Option} is to be returned\n   * @return {*} The value of the {@link Option} with <code>name</code> on <code>target</code>.\n   * @public\n   */\n  get(name, target) {\n    return OptionManager._get(this._options[name], target);\n  }\n\n  /**\n   * Returns a copy of all of the available options on the <code>target</code> object provided.\n   *\n   * @param {Object} target - the object from which the option name/value pairs are to be returned\n   * @return {Object.<string, *>} A hash containing the name/value pairs of all options on <code>target</code>.\n   * @public\n   */\n  getAll(target) {\n    const options = this._options;\n    const result = {};\n\n    for (const name in options) {\n      if (Utilities.hasOwn(options, name)) {\n        result[name] = OptionManager._get(options[name], target);\n      }\n    }\n\n    return result;\n  }\n\n  /**\n   * Sets the value of the option with the specified <code>name</code> on the <code>target</code> object provided to\n   * <code>value</code>.\n   *\n   * This method will throw an error if <code>name</code> does not match an available option.\n   *\n   * If <code>value</code> is <code>null</code> and the {@link Option} has a default value configured, then that default\n   * value will be used instead. If the {@link Option} also has a value transformer configured, it will be used to\n   * transform whichever value was determined to be used.\n   *\n   * This method returns whether the value of the underlying field on <code>target</code> was changed as a result.\n   *\n   * @param {string} name - the name of the {@link Option} whose value is to be set\n   * @param {*} value - the value to be set for the named {@link Option} on <code>target</code>\n   * @param {Object} target - the object on which <code>value</code> is to be set for the named {@link Option}\n   * @return {boolean} <code>true</code> if the underlying field on <code>target</code> was changed; otherwise\n   * <code>false</code>.\n   * @throws {Error} If no {@link Option} is being managed with <code>name</code>.\n   * @public\n   */\n  set(name, value, target) {\n    const option = this._options[name];\n    if (!option) {\n      throw new Error(`Invalid option: ${name}`);\n    }\n\n    return OptionManager._set(option, value, target);\n  }\n\n  /**\n   * Sets all of the specified <code>options</code> on the <code>target</code> object provided to their corresponding\n   * values.\n   *\n   * This method will throw an error if any of the names within <code>options</code> does not match an available option.\n   *\n   * If any value within <code>options</code> is <code>null</code> and the corresponding {@link Option} has a default\n   * value configured, then that default value will be used instead. If an {@link Option} also has a value transformer\n   * configured, it will be used to transform whichever value was determined to be used.\n   *\n   * This method returns whether the value for any of the underlying fields on <code>target</code> were changed as a\n   * result.\n   *\n   * @param {Object.<string, *>} options - the name/value pairs of options to be set\n   * @param {Object} target - the object on which the options are to be set\n   * @return {boolean} <code>true</code> if any of the underlying fields on <code>target</code> were changed; otherwise\n   * <code>false</code>.\n   * @throws {Error} If no {@link Option} is being managed with for any of the names within <code>options</code>.\n   * @public\n   */\n  setAll(options, target) {\n    if (!options) {\n      return false;\n    }\n\n    let changed = false;\n\n    for (const name in options) {\n      if (Utilities.hasOwn(options, name) && this.set(name, options[name], target)) {\n        changed = true;\n      }\n    }\n\n    return changed;\n  }\n\n  /**\n   * Returns a copy of the available options for this {@link OptionManager}.\n   *\n   * @return {Option[]} The available options.\n   * @public\n   */\n  get options() {\n    return Object.values(this._options);\n  }\n\n}\n\nexport default OptionManager;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n/**\n * A basic manager for {@link Service} implementations that are mapped to simple names.\n *\n * @public\n */\nclass ServiceManager {\n\n  /**\n   * Creates a new instance of {@link ServiceManager}.\n   *\n   * @public\n   */\n  constructor() {\n    this._services = {};\n  }\n\n  /**\n   * Returns the {@link Service} being managed with the specified <code>name</code>.\n   *\n   * @param {string} name - the name of the {@link Service} to be returned\n   * @return {Service} The {@link Service} is being managed with <code>name</code>.\n   * @throws {Error} If no {@link Service} is being managed with <code>name</code>.\n   * @public\n   */\n  getService(name) {\n    const service = this._services[name];\n    if (!service) {\n      throw new Error(`Service is not being managed with name: ${name}`);\n    }\n\n    return service;\n  }\n\n  /**\n   * Sets the {@link Service} implementation to be managed for the specified <code>name</code> to the\n   * <code>service</code> provided.\n   *\n   * @param {string} name - the name of the {@link Service} to be managed with <code>name</code>\n   * @param {Service} service - the {@link Service} implementation to be managed\n   * @return {void}\n   * @throws {Error} If a {@link Service} is already being managed with the same <code>name</code>.\n   * @public\n   */\n  setService(name, service) {\n    if (this._services[name]) {\n      throw new Error(`Service is already managed with name: ${name}`);\n    }\n\n    if (service) {\n      this._services[name] = service;\n    }\n  }\n\n}\n\nexport default ServiceManager;\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport CanvasRenderer from './renderer/CanvasRenderer';\nimport Frame from './Frame';\nimport ImageRenderer from './renderer/ImageRenderer';\nimport Option from './option/Option';\nimport OptionManager from './option/OptionManager';\nimport ServiceManager from './service/ServiceManager';\nimport Utilities from './util/Utilities';\n\nconst optionManager = new OptionManager([\n  new Option('background', 'white'),\n  new Option('backgroundAlpha', 1, Utilities.abs),\n  new Option('element'),\n  new Option('foreground', 'black'),\n  new Option('foregroundAlpha', 1, Utilities.abs),\n  new Option('level', 'L', Utilities.toUpperCase),\n  new Option('mime', 'image/png'),\n  new Option('padding', null, Utilities.abs),\n  new Option('size', 100, Utilities.abs),\n  new Option('value', '')\n]);\nconst serviceManager = new ServiceManager();\n\n/**\n * Enables configuration of a QR code generator which uses HTML5 <code>canvas</code> for rendering.\n *\n * @public\n */\nclass QRious {\n\n  /**\n   * Returns the default options for {@link QRious}.\n   *\n   * @return {QRious~Options} The default options.\n   * @deprecated Since 2.3.0\n   * @public\n   * @static\n   */\n  static get DEFAULTS() {\n    const result = {};\n\n    optionManager.options.forEach((option) => {\n      result[option.name] = option.defaultValue;\n    });\n\n    return result;\n  }\n\n  /**\n   * Returns the current version of {@link QRious}.\n   *\n   * @return {string} The current version.\n   * @public\n   * @static\n   */\n  static get VERSION() {\n    return '2.3.0';\n  }\n\n  /**\n   * Configures the <code>service</code> provided to be used by all {@link QRious} instances.\n   *\n   * @param {Service} service - the {@link Service} to be configured\n   * @return {void}\n   * @throws {Error} If a {@link Service} has already been configured with the same name.\n   * @public\n   * @static\n   */\n  static use(service) {\n    serviceManager.setService(service.getName(), service);\n  }\n\n  /**\n   * Creates a new instance of {@link QRious} based on the <code>options</code> provided.\n   *\n   * @param {QRious~Options} [options] - the options to be used\n   * @throws {Error} If any <code>options</code> are invalid.\n   * @public\n   */\n  constructor(options) {\n    optionManager.applyDefaults(this);\n    optionManager.setAll(options, this);\n\n    const element = optionManager.get('element', this);\n    const elementService = serviceManager.getService('element');\n    const canvas = element && elementService.isCanvas(element) ? element : elementService.createCanvas();\n    const image = element && elementService.isImage(element) ? element : elementService.createImage();\n\n    this._canvasRenderer = new CanvasRenderer(this, canvas, true);\n    this._imageRenderer = new ImageRenderer(this, image, image === element);\n\n    this.update();\n  }\n\n  /**\n   * Returns all of the options configured for this {@link QRious}.\n   *\n   * Any changes made to the returned object will not be reflected in the options themselves or their corresponding\n   * underlying fields.\n   *\n   * @return {Object.<string, *>} A copy of the applied options.\n   * @public\n   */\n  get() {\n    return optionManager.getAll(this);\n  }\n\n  /**\n   * Sets all of the specified <code>options</code> and automatically updates this {@link QRious} if any of the\n   * underlying fields are changed as a result.\n   *\n   * This is the preferred method for updating multiple options at one time to avoid unnecessary updates between\n   * changes.\n   *\n   * @param {QRious~Options} options - the options to be set\n   * @return {void}\n   * @throws {Error} If any <code>options</code> are invalid.\n   * @public\n   */\n  set(options) {\n    if (optionManager.setAll(options, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the image data URI for the generated QR code using the <code>mime</code> provided.\n   *\n   * @param {string} [mime] - the MIME type for the image\n   * @return {string} The image data URI for the QR code.\n   * @public\n   */\n  toDataURL(mime) {\n    return this.canvas.toDataURL(mime || this.mime);\n  }\n\n  /**\n   * Updates this {@link QRious} by generating a new {@link Frame} and re-rendering the QR code.\n   *\n   * @return {void}\n   * @protected\n   */\n  update() {\n    const frame = new Frame({\n      level: this.level,\n      value: this.value\n    });\n\n    this._canvasRenderer.render(frame);\n    this._imageRenderer.render(frame);\n  }\n\n  /**\n   * Returns the background color for the QR code.\n   *\n   * @return {string} The background color.\n   * @public\n   */\n  get background() {\n    return optionManager.get('background', this);\n  }\n\n  /**\n   * Sets the background color for the QR code to <code>background</code> and automatically updates this {@link QRious}\n   * if the underlying field is changed as a result.\n   *\n   * @param {string} [background=\"white\"] - the background color to be set\n   * @public\n   */\n  set background(background) {\n    if (optionManager.set('background', background, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the background alpha for the QR code.\n   *\n   * @return {number} The background alpha.\n   * @public\n   */\n  get backgroundAlpha() {\n    return optionManager.get('backgroundAlpha', this);\n  }\n\n  /**\n   * Sets the background alpha for the QR code to <code>backgroundAlpha</code> and automatically updates this\n   * {@link QRious} if the underlying field is changed as a result.\n   *\n   * @param {number} [backgroundAlpha=1] - the background alpha to be set\n   * @public\n   */\n  set backgroundAlpha(backgroundAlpha) {\n    if (optionManager.set('backgroundAlpha', backgroundAlpha, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the <code>canvas</code> element being used to render the QR code for this {@link QRious}.\n   *\n   * @return {*} The <code>canvas</code> element.\n   * @public\n   */\n  get canvas() {\n    return this._canvasRenderer.getElement();\n  }\n\n  /**\n   * Returns the foreground color for the QR code.\n   *\n   * @return {string} The foreground color.\n   * @public\n   */\n  get foreground() {\n    return optionManager.get('foreground', this);\n  }\n\n  /**\n   * Sets the foreground color for the QR code to <code>foreground</code> and automatically updates this {@link QRious}\n   * if the underlying field is changed as a result.\n   *\n   * @param {string} [foreground=\"black\"] - the foreground color to be set\n   * @public\n   */\n  set foreground(foreground) {\n    if (optionManager.set('foreground', foreground, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the foreground alpha for the QR code.\n   *\n   * @return {number} The foreground alpha.\n   * @public\n   */\n  get foregroundAlpha() {\n    return optionManager.get('foregroundAlpha', this);\n  }\n\n  /**\n   * Sets the foreground alpha for the QR code to <code>foregroundAlpha</code> and automatically updates this\n   * {@link QRious} if the underlying field is changed as a result.\n   *\n   * @param {number} [foregroundAlpha=1] - the foreground alpha to be set\n   * @public\n   */\n  set foregroundAlpha(foregroundAlpha) {\n    if (optionManager.set('foregroundAlpha', foregroundAlpha, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the <code>img</code> element being used to render the QR code for this {@link QRious}.\n   *\n   * @return {*} The <code>img</code> element.\n   * @public\n   */\n  get image() {\n    return this._imageRenderer.getElement();\n  }\n\n  /**\n   * Returns the error correction level for the QR code.\n   *\n   * @return {string} The ECC level.\n   * @public\n   */\n  get level() {\n    return optionManager.get('level', this);\n  }\n\n  /**\n   * Sets the error correction level for the QR code to <code>level</code> and automatically updates this {@link QRious}\n   * if the underlying field is changed as a result.\n   *\n   * <code>level</code> will be transformed to upper case to aid mapping to known ECC level blocks.\n   *\n   * @param {string} [level=\"L\"] - the ECC level to be set\n   * @public\n   */\n  set level(level) {\n    if (optionManager.set('level', level, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the MIME type for the image rendered for the QR code.\n   *\n   * @return {string} The image MIME type.\n   * @public\n   */\n  get mime() {\n    return optionManager.get('mime', this);\n  }\n\n  /**\n   * Sets the MIME type for the image rendered for the QR code to <code>mime</code> and automatically updates this\n   * {@link QRious} if the underlying field is changed as a result.\n   *\n   * @param {string} [mime=\"image/png\"] - the image MIME type to be set\n   * @public\n   */\n  set mime(mime) {\n    if (optionManager.set('mime', mime, this)) {\n      this.update();\n    }\n  }\n\n  /**\n   * Returns the padding for the QR code.\n   *\n   * @return {number} The padding in pixels.\n   * @public\n   */\n  get padding() {\n    return optionManager.get('padding', this);\n  }\n\n  /**\n   * Sets the padding for the QR code to <code>padding</code> and automatically updates this {@link QRious} if the\n   * underlying field is changed as a result.\n   *\n   * <code>padding</code> will be transformed to ensure that it is always an absolute positive numbers (e.g.\n   * <code>-10</code> would become <code>10</code>).\n   *\n   * @param {number} [padding] - 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The element(s) will be created if needed.\n * @property {string} [foreground=\"black\"] - The foreground color to be applied to the QR code.\n * @property {number} [foregroundAlpha=1] - The foreground alpha to be applied to the QR code.\n * @property {string} [level=\"L\"] - The error correction level to be applied to the QR code.\n * @property {string} [mime=\"image/png\"] - The MIME type to be used to render the image for the QR code.\n * @property {number} [padding] - The padding for the QR code in pixels.\n * @property {number} [size=100] - The size of the QR code in pixels.\n * @property {string} [value=\"\"] - The value to be encoded within the QR code.\n */\n","/*\n * QRious\n * Copyright (C) 2017 Alasdair Mercer\n * Copyright (C) 2010 Tom Zerucha\n *\n * This program is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License, or\n * (at your option) any later version.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\nimport BrowserElementService from '../service/element/BrowserElementService';\nimport QRious from '../QRious';\n\nQRious.use(new BrowserElementService());\n\nexport default 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diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..962500c
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,1653 @@
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+      "version": "https://registry.npmjs.org/underscore.string/-/underscore.string-3.2.3.tgz",
+      "integrity": "sha1-gGmSYzZl1eX8tNsfs6hi62jp5to=",
+      "dev": true
+    },
+    "units-css": {
+      "version": "https://registry.npmjs.org/units-css/-/units-css-0.4.0.tgz",
+      "integrity": "sha1-1iKGU6UZg9fBb/KPi53Dsf/tOgc=",
+      "optional": true
+    },
+    "unpipe": {
+      "version": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=",
+      "dev": true
+    },
+    "unquote": {
+      "version": "https://registry.npmjs.org/unquote/-/unquote-1.1.0.tgz",
+      "integrity": "sha1-mOH8YItrhUx1r7G5WvwJm6adlC8=",
+      "optional": true
+    },
+    "user-home": {
+      "version": "https://registry.npmjs.org/user-home/-/user-home-2.0.0.tgz",
+      "integrity": "sha1-nHC/2Babwdy/SGBODwS4tJzenp8=",
+      "dev": true
+    },
+    "util-deprecate": {
+      "version": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
+      "dev": true
+    },
+    "validate-npm-package-license": {
+      "version": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.1.tgz",
+      "integrity": "sha1-KAS6vnEq0zeUWaz74kdGqywwP7w=",
+      "dev": true
+    },
+    "viewport-dimensions": {
+      "version": "https://registry.npmjs.org/viewport-dimensions/-/viewport-dimensions-0.2.0.tgz",
+      "integrity": "sha1-3nQHR9tTh/0XJfUXXpG6x2r982w=",
+      "optional": true
+    },
+    "vlq": {
+      "version": "https://registry.npmjs.org/vlq/-/vlq-0.2.2.tgz",
+      "integrity": "sha1-4xbVJXtAuGu0PLjV/qXX9U1rDKE=",
+      "dev": true
+    },
+    "websocket-driver": {
+      "version": "https://registry.npmjs.org/websocket-driver/-/websocket-driver-0.6.5.tgz",
+      "integrity": "sha1-XLJVbOuF9Dc8bYI4qmkchFThOjY=",
+      "dev": true
+    },
+    "websocket-extensions": {
+      "version": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.1.tgz",
+      "integrity": "sha1-domUmcGEtu91Q3fC27DNbLVdKec=",
+      "dev": true
+    },
+    "which": {
+      "version": "https://registry.npmjs.org/which/-/which-1.2.14.tgz",
+      "integrity": "sha1-mofEN48D6CfOyvGs31bHNsAcFOU=",
+      "dev": true
+    },
+    "wordwrap": {
+      "version": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
+      "dev": true
+    },
+    "wrappy": {
+      "version": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    },
+    "write": {
+      "version": "https://registry.npmjs.org/write/-/write-0.2.1.tgz",
+      "integrity": "sha1-X8A4KOJkzqP+kUVUdvejxWbLB1c=",
+      "dev": true
+    },
+    "xtend": {
+      "version": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
+      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
+      "dev": true
+    }
+  }
+}
diff --git a/package.json b/package.json
index 1ca82fa..979f9c6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "qrious",
-  "version": "2.3.0",
+  "version": "3.0.0",
   "description": "Library for QR code generation using canvas",
   "homepage": "https://github.com/neocotic/qrious",
   "bugs": {
@@ -23,14 +23,13 @@
     "type": "git",
     "url": "https://github.com/neocotic/qrious.git"
   },
+  "dependencies": {
+    "nevis": "^0.5.0"
+  },
   "optionalDependencies": {
     "canvas": "^1.6.5"
   },
   "devDependencies": {
-    "babel-eslint": "^7.2.3",
-    "babel-plugin-transform-runtime": "^6.23.0",
-    "babel-preset-es2015": "^6.24.1",
-    "babel-runtime": "^6.23.0",
     "eslint-config-notninja": "^0.1.1",
     "grunt": "^1.0.1",
     "grunt-cli": "^1.2.0",
@@ -38,18 +37,17 @@
     "grunt-contrib-watch": "^1.0.0",
     "grunt-eslint": "^19.0.0",
     "grunt-rollup": "^1.0.1",
-    "rollup-plugin-babel": "^2.7.1",
+    "load-grunt-tasks": "^3.5.2",
+    "micromatch": "^2.3.11",
     "rollup-plugin-commonjs": "^8.0.2",
-    "rollup-plugin-node-resolve": "~2.0.0",
-    "rollup-plugin-uglify": "^1.0.2",
-    "semver": "^5.3.0"
+    "rollup-plugin-node-resolve": "^3.0.0",
+    "rollup-plugin-uglify": "^2.0.1"
   },
-  "browser": "dist/umd/qrious.js",
-  "main": "dist/cjs/qrious.js",
-  "module": "src/runtime/node.js",
-  "jsnext:main": "src/runtime/node.js",
+  "browser": "dist/qrious.js",
+  "main": "src/runtime/node.js",
   "scripts": {
     "build": "grunt build",
+    "ci": "grunt ci",
     "test": "grunt test"
   }
 }
diff --git a/src/Alignment.js b/src/Alignment.js
index 775a271..83adce2 100644
--- a/src/Alignment.js
+++ b/src/Alignment.js
@@ -17,30 +17,35 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+'use strict';
+
 /* eslint no-multi-spaces: "off" */
 
+var Nevis = require('nevis/lite');
+
 /**
  * Contains alignment pattern information.
  *
  * @public
+ * @class
+ * @extends Nevis
  */
-class Alignment {
+var Alignment = Nevis.extend(null, {
 
   /**
-   * Returns the alignment pattern block.
+   * The alignment pattern block.
    *
-   * @return {number[]} The alignment pattern block.
    * @public
    * @static
+   * @type {number[]}
+   * @memberof Alignment
    */
-  static get BLOCK() {
-    return [
-      0,  11, 15, 19, 23, 27, 31,
-      16, 18, 20, 22, 24, 26, 28, 20, 22, 24, 24, 26, 28, 28, 22, 24, 24,
-      26, 26, 28, 28, 24, 24, 26, 26, 26, 28, 28, 24, 26, 26, 26, 28, 28
-    ];
-  }
+  BLOCK: [
+    0,  11, 15, 19, 23, 27, 31,
+    16, 18, 20, 22, 24, 26, 28, 20, 22, 24, 24, 26, 28, 28, 22, 24, 24,
+    26, 26, 28, 28, 24, 24, 26, 26, 26, 28, 28, 24, 26, 26, 26, 28, 28
+  ]
 
-}
+});
 
-export default Alignment;
+module.exports = Alignment;
diff --git a/src/ErrorCorrection.js b/src/ErrorCorrection.js
index b704329..48dcf07 100644
--- a/src/ErrorCorrection.js
+++ b/src/ErrorCorrection.js
@@ -17,106 +17,109 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+'use strict';
+
 /* eslint no-multi-spaces: "off" */
 
+var Nevis = require('nevis/lite');
+
 /**
  * Contains error correction information.
  *
  * @public
+ * @class
+ * @extends Nevis
  */
-class ErrorCorrection {
+var ErrorCorrection = Nevis.extend(null, {
 
   /**
-   * Returns the error correction blocks.
+   * The error correction blocks.
    *
    * There are four elements per version. The first two indicate the number of blocks, then the data width, and finally
    * the ECC width.
    *
-   * @return {number[]} The ECC blocks.
    * @public
    * @static
+   * @type {number[]}
+   * @memberof ErrorCorrection
    */
-  static get BLOCKS() {
-    return [
-      1,  0,  19,  7,     1,  0,  16,  10,    1,  0,  13,  13,    1,  0,  9,   17,
-      1,  0,  34,  10,    1,  0,  28,  16,    1,  0,  22,  22,    1,  0,  16,  28,
-      1,  0,  55,  15,    1,  0,  44,  26,    2,  0,  17,  18,    2,  0,  13,  22,
-      1,  0,  80,  20,    2,  0,  32,  18,    2,  0,  24,  26,    4,  0,  9,   16,
-      1,  0,  108, 26,    2,  0,  43,  24,    2,  2,  15,  18,    2,  2,  11,  22,
-      2,  0,  68,  18,    4,  0,  27,  16,    4,  0,  19,  24,    4,  0,  15,  28,
-      2,  0,  78,  20,    4,  0,  31,  18,    2,  4,  14,  18,    4,  1,  13,  26,
-      2,  0,  97,  24,    2,  2,  38,  22,    4,  2,  18,  22,    4,  2,  14,  26,
-      2,  0,  116, 30,    3,  2,  36,  22,    4,  4,  16,  20,    4,  4,  12,  24,
-      2,  2,  68,  18,    4,  1,  43,  26,    6,  2,  19,  24,    6,  2,  15,  28,
-      4,  0,  81,  20,    1,  4,  50,  30,    4,  4,  22,  28,    3,  8,  12,  24,
-      2,  2,  92,  24,    6,  2,  36,  22,    4,  6,  20,  26,    7,  4,  14,  28,
-      4,  0,  107, 26,    8,  1,  37,  22,    8,  4,  20,  24,    12, 4,  11,  22,
-      3,  1,  115, 30,    4,  5,  40,  24,    11, 5,  16,  20,    11, 5,  12,  24,
-      5,  1,  87,  22,    5,  5,  41,  24,    5,  7,  24,  30,    11, 7,  12,  24,
-      5,  1,  98,  24,    7,  3,  45,  28,    15, 2,  19,  24,    3,  13, 15,  30,
-      1,  5,  107, 28,    10, 1,  46,  28,    1,  15, 22,  28,    2,  17, 14,  28,
-      5,  1,  120, 30,    9,  4,  43,  26,    17, 1,  22,  28,    2,  19, 14,  28,
-      3,  4,  113, 28,    3,  11, 44,  26,    17, 4,  21,  26,    9,  16, 13,  26,
-      3,  5,  107, 28,    3,  13, 41,  26,    15, 5,  24,  30,    15, 10, 15,  28,
-      4,  4,  116, 28,    17, 0,  42,  26,    17, 6,  22,  28,    19, 6,  16,  30,
-      2,  7,  111, 28,    17, 0,  46,  28,    7,  16, 24,  30,    34, 0,  13,  24,
-      4,  5,  121, 30,    4,  14, 47,  28,    11, 14, 24,  30,    16, 14, 15,  30,
-      6,  4,  117, 30,    6,  14, 45,  28,    11, 16, 24,  30,    30, 2,  16,  30,
-      8,  4,  106, 26,    8,  13, 47,  28,    7,  22, 24,  30,    22, 13, 15,  30,
-      10, 2,  114, 28,    19, 4,  46,  28,    28, 6,  22,  28,    33, 4,  16,  30,
-      8,  4,  122, 30,    22, 3,  45,  28,    8,  26, 23,  30,    12, 28, 15,  30,
-      3,  10, 117, 30,    3,  23, 45,  28,    4,  31, 24,  30,    11, 31, 15,  30,
-      7,  7,  116, 30,    21, 7,  45,  28,    1,  37, 23,  30,    19, 26, 15,  30,
-      5,  10, 115, 30,    19, 10, 47,  28,    15, 25, 24,  30,    23, 25, 15,  30,
-      13, 3,  115, 30,    2,  29, 46,  28,    42, 1,  24,  30,    23, 28, 15,  30,
-      17, 0,  115, 30,    10, 23, 46,  28,    10, 35, 24,  30,    19, 35, 15,  30,
-      17, 1,  115, 30,    14, 21, 46,  28,    29, 19, 24,  30,    11, 46, 15,  30,
-      13, 6,  115, 30,    14, 23, 46,  28,    44, 7,  24,  30,    59, 1,  16,  30,
-      12, 7,  121, 30,    12, 26, 47,  28,    39, 14, 24,  30,    22, 41, 15,  30,
-      6,  14, 121, 30,    6,  34, 47,  28,    46, 10, 24,  30,    2,  64, 15,  30,
-      17, 4,  122, 30,    29, 14, 46,  28,    49, 10, 24,  30,    24, 46, 15,  30,
-      4,  18, 122, 30,    13, 32, 46,  28,    48, 14, 24,  30,    42, 32, 15,  30,
-      20, 4,  117, 30,    40, 7,  47,  28,    43, 22, 24,  30,    10, 67, 15,  30,
-      19, 6,  118, 30,    18, 31, 47,  28,    34, 34, 24,  30,    20, 61, 15,  30
-    ];
-  }
+  BLOCKS: [
+    1,  0,  19,  7,     1,  0,  16,  10,    1,  0,  13,  13,    1,  0,  9,   17,
+    1,  0,  34,  10,    1,  0,  28,  16,    1,  0,  22,  22,    1,  0,  16,  28,
+    1,  0,  55,  15,    1,  0,  44,  26,    2,  0,  17,  18,    2,  0,  13,  22,
+    1,  0,  80,  20,    2,  0,  32,  18,    2,  0,  24,  26,    4,  0,  9,   16,
+    1,  0,  108, 26,    2,  0,  43,  24,    2,  2,  15,  18,    2,  2,  11,  22,
+    2,  0,  68,  18,    4,  0,  27,  16,    4,  0,  19,  24,    4,  0,  15,  28,
+    2,  0,  78,  20,    4,  0,  31,  18,    2,  4,  14,  18,    4,  1,  13,  26,
+    2,  0,  97,  24,    2,  2,  38,  22,    4,  2,  18,  22,    4,  2,  14,  26,
+    2,  0,  116, 30,    3,  2,  36,  22,    4,  4,  16,  20,    4,  4,  12,  24,
+    2,  2,  68,  18,    4,  1,  43,  26,    6,  2,  19,  24,    6,  2,  15,  28,
+    4,  0,  81,  20,    1,  4,  50,  30,    4,  4,  22,  28,    3,  8,  12,  24,
+    2,  2,  92,  24,    6,  2,  36,  22,    4,  6,  20,  26,    7,  4,  14,  28,
+    4,  0,  107, 26,    8,  1,  37,  22,    8,  4,  20,  24,    12, 4,  11,  22,
+    3,  1,  115, 30,    4,  5,  40,  24,    11, 5,  16,  20,    11, 5,  12,  24,
+    5,  1,  87,  22,    5,  5,  41,  24,    5,  7,  24,  30,    11, 7,  12,  24,
+    5,  1,  98,  24,    7,  3,  45,  28,    15, 2,  19,  24,    3,  13, 15,  30,
+    1,  5,  107, 28,    10, 1,  46,  28,    1,  15, 22,  28,    2,  17, 14,  28,
+    5,  1,  120, 30,    9,  4,  43,  26,    17, 1,  22,  28,    2,  19, 14,  28,
+    3,  4,  113, 28,    3,  11, 44,  26,    17, 4,  21,  26,    9,  16, 13,  26,
+    3,  5,  107, 28,    3,  13, 41,  26,    15, 5,  24,  30,    15, 10, 15,  28,
+    4,  4,  116, 28,    17, 0,  42,  26,    17, 6,  22,  28,    19, 6,  16,  30,
+    2,  7,  111, 28,    17, 0,  46,  28,    7,  16, 24,  30,    34, 0,  13,  24,
+    4,  5,  121, 30,    4,  14, 47,  28,    11, 14, 24,  30,    16, 14, 15,  30,
+    6,  4,  117, 30,    6,  14, 45,  28,    11, 16, 24,  30,    30, 2,  16,  30,
+    8,  4,  106, 26,    8,  13, 47,  28,    7,  22, 24,  30,    22, 13, 15,  30,
+    10, 2,  114, 28,    19, 4,  46,  28,    28, 6,  22,  28,    33, 4,  16,  30,
+    8,  4,  122, 30,    22, 3,  45,  28,    8,  26, 23,  30,    12, 28, 15,  30,
+    3,  10, 117, 30,    3,  23, 45,  28,    4,  31, 24,  30,    11, 31, 15,  30,
+    7,  7,  116, 30,    21, 7,  45,  28,    1,  37, 23,  30,    19, 26, 15,  30,
+    5,  10, 115, 30,    19, 10, 47,  28,    15, 25, 24,  30,    23, 25, 15,  30,
+    13, 3,  115, 30,    2,  29, 46,  28,    42, 1,  24,  30,    23, 28, 15,  30,
+    17, 0,  115, 30,    10, 23, 46,  28,    10, 35, 24,  30,    19, 35, 15,  30,
+    17, 1,  115, 30,    14, 21, 46,  28,    29, 19, 24,  30,    11, 46, 15,  30,
+    13, 6,  115, 30,    14, 23, 46,  28,    44, 7,  24,  30,    59, 1,  16,  30,
+    12, 7,  121, 30,    12, 26, 47,  28,    39, 14, 24,  30,    22, 41, 15,  30,
+    6,  14, 121, 30,    6,  34, 47,  28,    46, 10, 24,  30,    2,  64, 15,  30,
+    17, 4,  122, 30,    29, 14, 46,  28,    49, 10, 24,  30,    24, 46, 15,  30,
+    4,  18, 122, 30,    13, 32, 46,  28,    48, 14, 24,  30,    42, 32, 15,  30,
+    20, 4,  117, 30,    40, 7,  47,  28,    43, 22, 24,  30,    10, 67, 15,  30,
+    19, 6,  118, 30,    18, 31, 47,  28,    34, 34, 24,  30,    20, 61, 15,  30
+  ],
 
   /**
-   * Returns the final format bits with mask (level << 3 | mask).
+   * The final format bits with mask (level << 3 | mask).
    *
-   * @return {number[]} The final format bits.
    * @public
    * @static
+   * @type {number[]}
+   * @memberof ErrorCorrection
    */
-  static get FINAL_FORMAT() {
-    return [
-      // L
-      0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976,
-      // M
-      0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0,
-      // Q
-      0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed,
-      // H
-      0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b
-    ];
-  }
+  FINAL_FORMAT: [
+    // L
+    0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976,
+    // M
+    0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0,
+    // Q
+    0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed,
+    // H
+    0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b
+  ],
 
   /**
-   * Returns a map of human-readable ECC levels.
+   * A map of human-readable ECC levels.
    *
-   * @return {Object<string, number>} A ECC level mapping.
    * @public
    * @static
+   * @type {Object.<string, number>}
+   * @memberof ErrorCorrection
    */
-  static get LEVELS() {
-    return {
-      L: 1,
-      M: 2,
-      Q: 3,
-      H: 4
-    };
+  LEVELS: {
+    L: 1,
+    M: 2,
+    Q: 3,
+    H: 4
   }
 
-}
+});
 
-export default ErrorCorrection;
+module.exports = ErrorCorrection;
diff --git a/src/Frame.js b/src/Frame.js
index 1ad68ce..8ccede7 100644
--- a/src/Frame.js
+++ b/src/Frame.js
@@ -17,400 +17,366 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import Alignment from './Alignment';
-import ErrorCorrection from './ErrorCorrection';
-import Galois from './Galois';
-import Version from './Version';
+'use strict';
+
+var Nevis = require('nevis/lite');
+
+var Alignment = require('./Alignment');
+var ErrorCorrection = require('./ErrorCorrection');
+var Galois = require('./Galois');
+var Version = require('./Version');
 
 /**
  * Generates information for a QR code frame based on a specific value to be encoded.
  *
+ * @param {Frame~Options} options - the options to be used
  * @public
+ * @class
+ * @extends Nevis
  */
-class Frame {
+var Frame = Nevis.extend(function(options) {
+  var dataBlock, eccBlock, index, neccBlock1, neccBlock2;
+  var valueLength = options.value.length;
 
-  static _createArray(length) {
-    const array = [];
+  this._badness = [];
+  this._level = ErrorCorrection.LEVELS[options.level];
+  this._polynomial = [];
+  this._value = options.value;
+  this._version = 0;
+  this._stringBuffer = [];
 
-    for (let i = 0; i < length; i++) {
-      array[i] = 0;
-    }
+  while (this._version < 40) {
+    this._version++;
 
-    return array;
-  }
+    index = ((this._level - 1) * 4) + ((this._version - 1) * 16);
 
-  static _getMaskBit(x, y) {
-    let bit;
+    neccBlock1 = ErrorCorrection.BLOCKS[index++];
+    neccBlock2 = ErrorCorrection.BLOCKS[index++];
+    dataBlock = ErrorCorrection.BLOCKS[index++];
+    eccBlock = ErrorCorrection.BLOCKS[index];
 
-    if (x > y) {
-      bit = x;
-      x = y;
-      y = bit;
-    }
+    index = (dataBlock * (neccBlock1 + neccBlock2)) + neccBlock2 - 3 + (this._version <= 9);
 
-    bit = y;
-    bit += y * y;
-    bit >>= 1;
-    bit += x;
-
-    return bit;
-  }
-
-  static _modN(x) {
-    while (x >= 255) {
-      x -= 255;
-      x = (x >> 8) + (x & 255);
+    if (valueLength <= index) {
+      break;
     }
-
-    return x;
   }
 
-  // *Badness* coefficients.
-  static get N1() {
-    return 3;
-  }
-  static get N2() {
-    return 3;
-  }
-  static get N3() {
-    return 40;
-  }
-  static get N4() {
-    return 10;
-  }
+  this._dataBlock = dataBlock;
+  this._eccBlock = eccBlock;
+  this._neccBlock1 = neccBlock1;
+  this._neccBlock2 = neccBlock2;
 
   /**
-   * Creates an instance of {@link Frame} based on the <code>options</code> provided.
+   * The data width is based on version.
    *
-   * @param {Frame~Options} options - the options to be used
    * @public
+   * @type {number}
+   * @memberof Frame#
    */
-  constructor(options) {
-    this._badness = [];
-    this._level = ErrorCorrection.LEVELS[options.level];
-    this._polynomial = [];
-    this._value = options.value;
-    this._valueLength = this._value.length;
-    this._version = 0;
-    this._stringBuffer = [];
-
-    let dataBlock;
-    let eccBlock;
-    let neccBlock1;
-    let neccBlock2;
+  // FIXME: Ensure that it fits instead of being truncated.
+  var width = this.width = 17 + (4 * this._version);
 
-    while (this._version < 40) {
-      this._version++;
-
-      let index = ((this._level - 1) * 4) + ((this._version - 1) * 16);
+  /**
+   * The image buffer.
+   *
+   * @public
+   * @type {number[]}
+   * @memberof Frame#
+   */
+  this.buffer = Frame._createArray(width * width);
 
-      neccBlock1 = ErrorCorrection.BLOCKS[index++];
-      neccBlock2 = ErrorCorrection.BLOCKS[index++];
-      dataBlock = ErrorCorrection.BLOCKS[index++];
-      eccBlock = ErrorCorrection.BLOCKS[index];
+  this._ecc = Frame._createArray(dataBlock + ((dataBlock + eccBlock) * (neccBlock1 + neccBlock2)) + neccBlock2);
+  this._mask = Frame._createArray(((width * (width + 1)) + 1) / 2);
 
-      index = (dataBlock * (neccBlock1 + neccBlock2)) + neccBlock2 - 3 + (this._version <= 9);
+  this._insertFinders();
+  this._insertAlignments();
 
-      if (this._valueLength <= index) {
-        break;
-      }
-    }
+  // Insert single foreground cell.
+  this.buffer[8 + (width * (width - 8))] = 1;
 
-    this._dataBlock = dataBlock;
-    this._eccBlock = eccBlock;
-    this._neccBlock1 = neccBlock1;
-    this._neccBlock2 = neccBlock2;
+  this._insertTimingGap();
+  this._reverseMask();
+  this._insertTimingRowAndColumn();
+  this._insertVersion();
+  this._syncMask();
+  this._convertBitStream(valueLength);
+  this._calculatePolynomial();
+  this._appendEccToData();
+  this._interleaveBlocks();
+  this._pack();
+  this._finish();
+}, {
 
-    /**
-     * The data width is based on version.
-     *
-     * @public
-     * @type {number}
-     */
-    // FIXME: Ensure that it fits instead of being truncated.
-    this.width = 17 + (4 * this._version);
-
-    /**
-     * The image buffer.
-     *
-     * @public
-     * @type {number[]}
-     */
-    this.buffer = Frame._createArray(this.width * this.width);
-
-    this._ecc = Frame._createArray(this._dataBlock + ((this._dataBlock + this._eccBlock) *
-      (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2);
-    this._mask = Frame._createArray(((this.width * (this.width + 1)) + 1) / 2);
-
-    this._insertFinders();
-    this._insertAlignments();
-
-    // Insert single foreground cell.
-    this.buffer[8 + (this.width * (this.width - 8))] = 1;
-
-    this._insertTimingGap();
-    this._reverseMask();
-    this._insertTimingRowAndColumn();
-    this._insertVersion();
-    this._syncMask();
-    this._convertBitStream(this._value.length);
-    this._calculatePolynomial();
-    this._appendEccToData();
-    this._interleaveBlocks();
-    this._pack();
-    this._finish();
-  }
+  _addAlignment: function(x, y) {
+    var i;
+    var buffer = this.buffer;
+    var width = this.width;
 
-  _addAlignment(x, y) {
-    this.buffer[x + (this.width * y)] = 1;
+    buffer[x + (width * y)] = 1;
 
-    for (let i = -2; i < 2; i++) {
-      this.buffer[x + i + (this.width * (y - 2))] = 1;
-      this.buffer[x - 2 + (this.width * (y + i + 1))] = 1;
-      this.buffer[x + 2 + (this.width * (y + i))] = 1;
-      this.buffer[x + i + 1 + (this.width * (y + 2))] = 1;
+    for (i = -2; i < 2; i++) {
+      buffer[x + i + (width * (y - 2))] = 1;
+      buffer[x - 2 + (width * (y + i + 1))] = 1;
+      buffer[x + 2 + (width * (y + i))] = 1;
+      buffer[x + i + 1 + (width * (y + 2))] = 1;
     }
 
-    for (let i = 0; i < 2; i++) {
+    for (i = 0; i < 2; i++) {
       this._setMask(x - 1, y + i);
       this._setMask(x + 1, y - i);
       this._setMask(x - i, y - 1);
       this._setMask(x + i, y + 1);
     }
-  }
+  },
 
-  _appendData(data, dataLength, ecc, eccLength) {
-    for (let i = 0; i < eccLength; i++) {
-      this._stringBuffer[ecc + i] = 0;
+  _appendData: function(data, dataLength, ecc, eccLength) {
+    var bit, i, j;
+    var polynomial = this._polynomial;
+    var stringBuffer = this._stringBuffer;
+
+    for (i = 0; i < eccLength; i++) {
+      stringBuffer[ecc + i] = 0;
     }
 
-    for (let i = 0; i < dataLength; i++) {
-      const bit = Galois.LOG[this._stringBuffer[data + i] ^ this._stringBuffer[ecc]];
+    for (i = 0; i < dataLength; i++) {
+      bit = Galois.LOG[stringBuffer[data + i] ^ stringBuffer[ecc]];
 
       if (bit !== 255) {
-        for (let j = 1; j < eccLength; j++) {
-          this._stringBuffer[ecc + j - 1] = this._stringBuffer[ecc + j] ^
-            Galois.EXPONENT[Frame._modN(bit + this._polynomial[eccLength - j])];
+        for (j = 1; j < eccLength; j++) {
+          stringBuffer[ecc + j - 1] = stringBuffer[ecc + j] ^
+            Galois.EXPONENT[Frame._modN(bit + polynomial[eccLength - j])];
         }
       } else {
-        for (let j = ecc; j < ecc + eccLength; j++) {
-          this._stringBuffer[j] = this._stringBuffer[j + 1];
+        for (j = ecc; j < ecc + eccLength; j++) {
+          stringBuffer[j] = stringBuffer[j + 1];
         }
       }
 
-      this._stringBuffer[ecc + eccLength - 1] = bit === 255 ? 0
-        : Galois.EXPONENT[Frame._modN(bit + this._polynomial[0])];
+      stringBuffer[ecc + eccLength - 1] = bit === 255 ? 0 : Galois.EXPONENT[Frame._modN(bit + polynomial[0])];
     }
-  }
+  },
 
-  _appendEccToData() {
-    let data = 0;
-    let ecc = this._calculateMaxLength();
+  _appendEccToData: function() {
+    var i;
+    var data = 0;
+    var dataBlock = this._dataBlock;
+    var ecc = this._calculateMaxLength();
+    var eccBlock = this._eccBlock;
 
-    for (let i = 0; i < this._neccBlock1; i++) {
-      this._appendData(data, this._dataBlock, ecc, this._eccBlock);
+    for (i = 0; i < this._neccBlock1; i++) {
+      this._appendData(data, dataBlock, ecc, eccBlock);
 
-      data += this._dataBlock;
-      ecc += this._eccBlock;
+      data += dataBlock;
+      ecc += eccBlock;
     }
 
-    for (let i = 0; i < this._neccBlock2; i++) {
-      this._appendData(data, this._dataBlock + 1, ecc, this._eccBlock);
+    for (i = 0; i < this._neccBlock2; i++) {
+      this._appendData(data, dataBlock + 1, ecc, eccBlock);
 
-      data += this._dataBlock + 1;
-      ecc += this._eccBlock;
+      data += dataBlock + 1;
+      ecc += eccBlock;
     }
-  }
+  },
 
-  _applyMask(mask) {
-    const width = this.width;
+  _applyMask: function(mask) {
+    var r3x, r3y, x, y;
+    var buffer = this.buffer;
+    var width = this.width;
 
     switch (mask) {
     case 0:
-      for (let y = 0; y < width; y++) {
-        for (let x = 0; x < width; x++) {
+      for (y = 0; y < width; y++) {
+        for (x = 0; x < width; x++) {
           if (!((x + y) & 1) && !this._isMasked(x, y)) {
-            this.buffer[x + (y * width)] ^= 1;
+            buffer[x + (y * width)] ^= 1;
           }
         }
       }
 
       break;
     case 1:
-      for (let y = 0; y < width; y++) {
-        for (let x = 0; x < width; x++) {
+      for (y = 0; y < width; y++) {
+        for (x = 0; x < width; x++) {
           if (!(y & 1) && !this._isMasked(x, y)) {
-            this.buffer[x + (y * width)] ^= 1;
+            buffer[x + (y * width)] ^= 1;
           }
         }
       }
 
       break;
     case 2:
-      for (let y = 0; y < width; y++) {
-        for (let r3x = 0, x = 0; x < width; x++, r3x++) {
+      for (y = 0; y < width; y++) {
+        for (r3x = 0, x = 0; x < width; x++, r3x++) {
           if (r3x === 3) {
             r3x = 0;
           }
 
           if (!r3x && !this._isMasked(x, y)) {
-            this.buffer[x + (y * width)] ^= 1;
+            buffer[x + (y * width)] ^= 1;
           }
         }
       }
 
       break;
     case 3:
-      for (let r3y = 0, y = 0; y < width; y++, r3y++) {
+      for (r3y = 0, y = 0; y < width; y++, r3y++) {
         if (r3y === 3) {
           r3y = 0;
         }
 
-        for (let r3x = r3y, x = 0; x < width; x++, r3x++) {
+        for (r3x = r3y, x = 0; x < width; x++, r3x++) {
           if (r3x === 3) {
             r3x = 0;
           }
 
           if (!r3x && !this._isMasked(x, y)) {
-            this.buffer[x + (y * width)] ^= 1;
+            buffer[x + (y * width)] ^= 1;
           }
         }
       }
 
       break;
     case 4:
-      for (let y = 0; y < width; y++) {
-        for (let r3x = 0, r3y = (y >> 1) & 1, x = 0; x < width; x++, r3x++) {
+      for (y = 0; y < width; y++) {
+        for (r3x = 0, r3y = (y >> 1) & 1, x = 0; x < width; x++, r3x++) {
           if (r3x === 3) {
             r3x = 0;
             r3y = !r3y;
           }
 
           if (!r3y && !this._isMasked(x, y)) {
-            this.buffer[x + (y * width)] ^= 1;
+            buffer[x + (y * width)] ^= 1;
           }
         }
       }
 
       break;
     case 5:
-      for (let r3y = 0, y = 0; y < width; y++, r3y++) {
+      for (r3y = 0, y = 0; y < width; y++, r3y++) {
         if (r3y === 3) {
           r3y = 0;
         }
 
-        for (let r3x = 0, x = 0; x < width; x++, r3x++) {
+        for (r3x = 0, x = 0; x < width; x++, r3x++) {
           if (r3x === 3) {
             r3x = 0;
           }
 
           if (!((x & y & 1) + !(!r3x | !r3y)) && !this._isMasked(x, y)) {
-            this.buffer[x + (y * width)] ^= 1;
+            buffer[x + (y * width)] ^= 1;
           }
         }
       }
 
       break;
     case 6:
-      for (let r3y = 0, y = 0; y < width; y++, r3y++) {
+      for (r3y = 0, y = 0; y < width; y++, r3y++) {
         if (r3y === 3) {
           r3y = 0;
         }
 
-        for (let r3x = 0, x = 0; x < width; x++, r3x++) {
+        for (r3x = 0, x = 0; x < width; x++, r3x++) {
           if (r3x === 3) {
             r3x = 0;
           }
 
           if (!((x & y & 1) + (r3x && r3x === r3y) & 1) && !this._isMasked(x, y)) {
-            this.buffer[x + (y * width)] ^= 1;
+            buffer[x + (y * width)] ^= 1;
           }
         }
       }
 
       break;
     case 7:
-      for (let r3y = 0, y = 0; y < width; y++, r3y++) {
+      for (r3y = 0, y = 0; y < width; y++, r3y++) {
         if (r3y === 3) {
           r3y = 0;
         }
 
-        for (let r3x = 0, x = 0; x < width; x++, r3x++) {
+        for (r3x = 0, x = 0; x < width; x++, r3x++) {
           if (r3x === 3) {
             r3x = 0;
           }
 
           if (!((r3x && r3x === r3y) + (x + y & 1) & 1) && !this._isMasked(x, y)) {
-            this.buffer[x + (y * width)] ^= 1;
+            buffer[x + (y * width)] ^= 1;
           }
         }
       }
 
       break;
     }
-  }
+  },
 
-  _calculateMaxLength() {
+  _calculateMaxLength: function() {
     return (this._dataBlock * (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2;
-  }
+  },
+
+  _calculatePolynomial: function() {
+    var i, j;
+    var eccBlock = this._eccBlock;
+    var polynomial = this._polynomial;
 
-  _calculatePolynomial() {
-    this._polynomial[0] = 1;
+    polynomial[0] = 1;
 
-    for (let i = 0; i < this._eccBlock; i++) {
-      this._polynomial[i + 1] = 1;
+    for (i = 0; i < eccBlock; i++) {
+      polynomial[i + 1] = 1;
 
-      for (let j = i; j > 0; j--) {
-        this._polynomial[j] = this._polynomial[j] ? this._polynomial[j - 1] ^
-          Galois.EXPONENT[Frame._modN(Galois.LOG[this._polynomial[j]] + i)] : this._polynomial[j - 1];
+      for (j = i; j > 0; j--) {
+        polynomial[j] = polynomial[j] ? polynomial[j - 1] ^
+          Galois.EXPONENT[Frame._modN(Galois.LOG[polynomial[j]] + i)] : polynomial[j - 1];
       }
 
-      this._polynomial[0] = Galois.EXPONENT[Frame._modN(Galois.LOG[this._polynomial[0]] + i)];
+      polynomial[0] = Galois.EXPONENT[Frame._modN(Galois.LOG[polynomial[0]] + i)];
     }
 
     // Use logs for generator polynomial to save calculation step.
-    for (let i = 0; i <= this._eccBlock; i++) {
-      this._polynomial[i] = Galois.LOG[this._polynomial[i]];
+    for (i = 0; i <= eccBlock; i++) {
+      polynomial[i] = Galois.LOG[polynomial[i]];
     }
-  }
+  },
 
-  _checkBadness() {
-    let bad = 0;
-    const width = this.width;
+  _checkBadness: function() {
+    var b, b1, h, x, y;
+    var bad = 0;
+    var badness = this._badness;
+    var buffer = this.buffer;
+    var width = this.width;
 
     // Blocks of same colour.
-    for (let y = 0; y < width - 1; y++) {
-      for (let x = 0; x < width - 1; x++) {
+    for (y = 0; y < width - 1; y++) {
+      for (x = 0; x < width - 1; x++) {
         // All foreground colour.
-        if ((this.buffer[x + (width * y)] &&
-          this.buffer[x + 1 + (width * y)] &&
-          this.buffer[x + (width * (y + 1))] &&
-          this.buffer[x + 1 + (width * (y + 1))]) ||
+        if ((buffer[x + (width * y)] &&
+          buffer[x + 1 + (width * y)] &&
+          buffer[x + (width * (y + 1))] &&
+          buffer[x + 1 + (width * (y + 1))]) ||
           // All background colour.
-          !(this.buffer[x + (width * y)] ||
-          this.buffer[x + 1 + (width * y)] ||
-          this.buffer[x + (width * (y + 1))] ||
-          this.buffer[x + 1 + (width * (y + 1))])) {
+          !(buffer[x + (width * y)] ||
+          buffer[x + 1 + (width * y)] ||
+          buffer[x + (width * (y + 1))] ||
+          buffer[x + 1 + (width * (y + 1))])) {
           bad += Frame.N2;
         }
       }
     }
 
-    let bw = 0;
+    var bw = 0;
 
     // X runs.
-    for (let y = 0; y < width; y++) {
-      let h = 0;
+    for (y = 0; y < width; y++) {
+      h = 0;
 
-      this._badness[0] = 0;
+      badness[0] = 0;
 
-      for (let b = 0, x = 0; x < width; x++) {
-        const b1 = this.buffer[x + (width * y)];
+      for (b = 0, x = 0; x < width; x++) {
+        b1 = buffer[x + (width * y)];
 
         if (b === b1) {
-          this._badness[h]++;
+          badness[h]++;
         } else {
-          this._badness[++h] = 1;
+          badness[++h] = 1;
         }
 
         b = b1;
@@ -424,8 +390,8 @@ class Frame {
       bw = -bw;
     }
 
-    let count = 0;
-    let big = bw;
+    var count = 0;
+    var big = bw;
     big += big << 2;
     big <<= 1;
 
@@ -437,18 +403,18 @@ class Frame {
     bad += count * Frame.N4;
 
     // Y runs.
-    for (let x = 0; x < width; x++) {
-      let h = 0;
+    for (x = 0; x < width; x++) {
+      h = 0;
 
-      this._badness[0] = 0;
+      badness[0] = 0;
 
-      for (let b = 0, y = 0; y < width; y++) {
-        const b1 = this.buffer[x + (width * y)];
+      for (b = 0, y = 0; y < width; y++) {
+        b1 = buffer[x + (width * y)];
 
         if (b === b1) {
-          this._badness[h]++;
+          badness[h]++;
         } else {
-          this._badness[++h] = 1;
+          badness[++h] = 1;
         }
 
         b = b1;
@@ -458,100 +424,105 @@ class Frame {
     }
 
     return bad;
-  }
+  },
+
+  _convertBitStream: function(length) {
+    var bit, i;
+    var ecc = this._ecc;
+    var version = this._version;
 
-  _convertBitStream(length) {
     // Convert string to bit stream. 8-bit data to QR-coded 8-bit data (numeric, alphanumeric, or kanji not supported).
-    for (let i = 0; i < length; i++) {
-      this._ecc[i] = this._value.charCodeAt(i);
+    for (i = 0; i < length; i++) {
+      ecc[i] = this._value.charCodeAt(i);
     }
 
-    this._stringBuffer = this._ecc.slice(0);
-
-    const maxLength = this._calculateMaxLength();
+    var stringBuffer = this._stringBuffer = ecc.slice();
+    var maxLength = this._calculateMaxLength();
 
     if (length >= maxLength - 2) {
       length = maxLength - 2;
 
-      if (this._version > 9) {
+      if (version > 9) {
         length--;
       }
     }
 
     // Shift and re-pack to insert length prefix.
-    let index = length;
+    var index = length;
 
-    if (this._version > 9) {
-      this._stringBuffer[index + 2] = 0;
-      this._stringBuffer[index + 3] = 0;
+    if (version > 9) {
+      stringBuffer[index + 2] = 0;
+      stringBuffer[index + 3] = 0;
 
       while (index--) {
-        const bit = this._stringBuffer[index];
+        bit = stringBuffer[index];
 
-        this._stringBuffer[index + 3] |= 255 & (bit << 4);
-        this._stringBuffer[index + 2] = bit >> 4;
+        stringBuffer[index + 3] |= 255 & (bit << 4);
+        stringBuffer[index + 2] = bit >> 4;
       }
 
-      this._stringBuffer[2] |= 255 & (length << 4);
-      this._stringBuffer[1] = length >> 4;
-      this._stringBuffer[0] = 0x40 | (length >> 12);
+      stringBuffer[2] |= 255 & (length << 4);
+      stringBuffer[1] = length >> 4;
+      stringBuffer[0] = 0x40 | (length >> 12);
     } else {
-      this._stringBuffer[index + 1] = 0;
-      this._stringBuffer[index + 2] = 0;
+      stringBuffer[index + 1] = 0;
+      stringBuffer[index + 2] = 0;
 
       while (index--) {
-        const bit = this._stringBuffer[index];
+        bit = stringBuffer[index];
 
-        this._stringBuffer[index + 2] |= 255 & (bit << 4);
-        this._stringBuffer[index + 1] = bit >> 4;
+        stringBuffer[index + 2] |= 255 & (bit << 4);
+        stringBuffer[index + 1] = bit >> 4;
       }
 
-      this._stringBuffer[1] |= 255 & (length << 4);
-      this._stringBuffer[0] = 0x40 | (length >> 4);
+      stringBuffer[1] |= 255 & (length << 4);
+      stringBuffer[0] = 0x40 | (length >> 4);
     }
 
     // Fill to end with pad pattern.
-    index = length + 3 - (this._version < 10);
+    index = length + 3 - (version < 10);
 
     while (index < maxLength) {
-      this._stringBuffer[index++] = 0xec;
-      this._stringBuffer[index++] = 0x11;
+      stringBuffer[index++] = 0xec;
+      stringBuffer[index++] = 0x11;
     }
-  }
+  },
 
-  _getBadness(length) {
-    let badRuns = 0;
+  _getBadness: function(length) {
+    var i;
+    var badRuns = 0;
+    var badness = this._badness;
 
-    for (let i = 0; i <= length; i++) {
-      if (this._badness[i] >= 5) {
-        badRuns += Frame.N1 + this._badness[i] - 5;
+    for (i = 0; i <= length; i++) {
+      if (badness[i] >= 5) {
+        badRuns += Frame.N1 + badness[i] - 5;
       }
     }
 
     // FBFFFBF as in finder.
-    for (let i = 3; i < length - 1; i += 2) {
-      if (this._badness[i - 2] === this._badness[i + 2] &&
-        this._badness[i + 2] === this._badness[i - 1] &&
-        this._badness[i - 1] === this._badness[i + 1] &&
-        this._badness[i - 1] * 3 === this._badness[i] &&
+    for (i = 3; i < length - 1; i += 2) {
+      if (badness[i - 2] === badness[i + 2] &&
+        badness[i + 2] === badness[i - 1] &&
+        badness[i - 1] === badness[i + 1] &&
+        badness[i - 1] * 3 === badness[i] &&
         // Background around the foreground pattern? Not part of the specs.
-        (this._badness[i - 3] === 0 || i + 3 > length ||
-        this._badness[i - 3] * 3 >= this._badness[i] * 4 ||
-        this._badness[i + 3] * 3 >= this._badness[i] * 4)) {
+        (badness[i - 3] === 0 || i + 3 > length ||
+        badness[i - 3] * 3 >= badness[i] * 4 ||
+        badness[i + 3] * 3 >= badness[i] * 4)) {
         badRuns += Frame.N3;
       }
     }
 
     return badRuns;
-  }
+  },
 
-  _finish() {
+  _finish: function() {
     // Save pre-mask copy of frame.
-    this._stringBuffer = this.buffer.slice(0);
+    this._stringBuffer = this.buffer.slice();
 
-    let bit = 0;
-    let i;
-    let mask = 30000;
+    var currentMask, i;
+    var bit = 0;
+    var mask = 30000;
 
     /*
      * Using for instead of while since in original Arduino code if an early mask was "good enough" it wouldn't try for
@@ -561,7 +532,7 @@ class Frame {
       // Returns foreground-background imbalance.
       this._applyMask(i);
 
-      const currentMask = this._checkBadness();
+      currentMask = this._checkBadness();
 
       // Is current mask better than previous best?
       if (currentMask < mask) {
@@ -575,7 +546,7 @@ class Frame {
       }
 
       // Reset for next pass.
-      this.buffer = this._stringBuffer.slice(0);
+      this.buffer = this._stringBuffer.slice();
     }
 
     // Redo best mask as none were "good enough" (i.e. last wasn't bit).
@@ -586,15 +557,18 @@ class Frame {
     // Add in final mask/ECC level bytes.
     mask = ErrorCorrection.FINAL_FORMAT[bit + (this._level - 1 << 3)];
 
+    var buffer = this.buffer;
+    var width = this.width;
+
     // Low byte.
     for (i = 0; i < 8; i++, mask >>= 1) {
       if (mask & 1) {
-        this.buffer[this.width - 1 - i + (this.width * 8)] = 1;
+        buffer[width - 1 - i + (width * 8)] = 1;
 
         if (i < 6) {
-          this.buffer[8 + (this.width * i)] = 1;
+          buffer[8 + (width * i)] = 1;
         } else {
-          this.buffer[8 + (this.width * (i + 1))] = 1;
+          buffer[8 + (width * (i + 1))] = 1;
         }
       }
     }
@@ -602,54 +576,62 @@ class Frame {
     // High byte.
     for (i = 0; i < 7; i++, mask >>= 1) {
       if (mask & 1) {
-        this.buffer[8 + (this.width * (this.width - 7 + i))] = 1;
+        buffer[8 + (width * (width - 7 + i))] = 1;
 
         if (i) {
-          this.buffer[6 - i + (this.width * 8)] = 1;
+          buffer[6 - i + (width * 8)] = 1;
         } else {
-          this.buffer[7 + (this.width * 8)] = 1;
+          buffer[7 + (width * 8)] = 1;
         }
       }
     }
-  }
+  },
 
-  _interleaveBlocks() {
-    const maxLength = this._calculateMaxLength();
-    let i;
-    let k = 0;
+  _interleaveBlocks: function() {
+    var i, j;
+    var dataBlock = this._dataBlock;
+    var ecc = this._ecc;
+    var eccBlock = this._eccBlock;
+    var k = 0;
+    var maxLength = this._calculateMaxLength();
+    var neccBlock1 = this._neccBlock1;
+    var neccBlock2 = this._neccBlock2;
+    var stringBuffer = this._stringBuffer;
 
-    for (i = 0; i < this._dataBlock; i++) {
-      for (let j = 0; j < this._neccBlock1; j++) {
-        this._ecc[k++] = this._stringBuffer[i + (j * this._dataBlock)];
+    for (i = 0; i < dataBlock; i++) {
+      for (j = 0; j < neccBlock1; j++) {
+        ecc[k++] = stringBuffer[i + (j * dataBlock)];
       }
 
-      for (let j = 0; j < this._neccBlock2; j++) {
-        this._ecc[k++] = this._stringBuffer[(this._neccBlock1 * this._dataBlock) + i + (j * (this._dataBlock + 1))];
+      for (j = 0; j < neccBlock2; j++) {
+        ecc[k++] = stringBuffer[(neccBlock1 * dataBlock) + i + (j * (dataBlock + 1))];
       }
     }
 
-    for (let j = 0; j < this._neccBlock2; j++) {
-      this._ecc[k++] = this._stringBuffer[(this._neccBlock1 * this._dataBlock) + i + (j * (this._dataBlock + 1))];
+    for (j = 0; j < neccBlock2; j++) {
+      ecc[k++] = stringBuffer[(neccBlock1 * dataBlock) + i + (j * (dataBlock + 1))];
     }
 
-    for (i = 0; i < this._eccBlock; i++) {
-      for (let j = 0; j < this._neccBlock1 + this._neccBlock2; j++) {
-        this._ecc[k++] = this._stringBuffer[maxLength + i + (j * this._eccBlock)];
+    for (i = 0; i < eccBlock; i++) {
+      for (j = 0; j < neccBlock1 + neccBlock2; j++) {
+        ecc[k++] = stringBuffer[maxLength + i + (j * eccBlock)];
       }
     }
 
-    this._stringBuffer = this._ecc;
-  }
+    this._stringBuffer = ecc;
+  },
 
-  _insertAlignments() {
-    const width = this.width;
+  _insertAlignments: function() {
+    var i, x, y;
+    var version = this._version;
+    var width = this.width;
 
-    if (this._version > 1) {
-      const i = Alignment.BLOCK[this._version];
-      let y = width - 7;
+    if (version > 1) {
+      i = Alignment.BLOCK[version];
+      y = width - 7;
 
       for (;;) {
-        let x = width - 7;
+        x = width - 7;
 
         while (x > i - 3) {
           this._addAlignment(x, y);
@@ -671,14 +653,16 @@ class Frame {
         this._addAlignment(y, 6);
       }
     }
-  }
+  },
 
-  _insertFinders() {
-    const width = this.width;
+  _insertFinders: function() {
+    var i, j, x, y;
+    var buffer = this.buffer;
+    var width = this.width;
 
-    for (let i = 0; i < 3; i++) {
-      let j = 0;
-      let y = 0;
+    for (i = 0; i < 3; i++) {
+      j = 0;
+      y = 0;
 
       if (i === 1) {
         j = width - 7;
@@ -687,73 +671,79 @@ class Frame {
         y = width - 7;
       }
 
-      this.buffer[y + 3 + (width * (j + 3))] = 1;
+      buffer[y + 3 + (width * (j + 3))] = 1;
 
-      for (let x = 0; x < 6; x++) {
-        this.buffer[y + x + (width * j)] = 1;
-        this.buffer[y + (width * (j + x + 1))] = 1;
-        this.buffer[y + 6 + (width * (j + x))] = 1;
-        this.buffer[y + x + 1 + (width * (j + 6))] = 1;
+      for (x = 0; x < 6; x++) {
+        buffer[y + x + (width * j)] = 1;
+        buffer[y + (width * (j + x + 1))] = 1;
+        buffer[y + 6 + (width * (j + x))] = 1;
+        buffer[y + x + 1 + (width * (j + 6))] = 1;
       }
 
-      for (let x = 1; x < 5; x++) {
+      for (x = 1; x < 5; x++) {
         this._setMask(y + x, j + 1);
         this._setMask(y + 1, j + x + 1);
         this._setMask(y + 5, j + x);
         this._setMask(y + x + 1, j + 5);
       }
 
-      for (let x = 2; x < 4; x++) {
-        this.buffer[y + x + (width * (j + 2))] = 1;
-        this.buffer[y + 2 + (width * (j + x + 1))] = 1;
-        this.buffer[y + 4 + (width * (j + x))] = 1;
-        this.buffer[y + x + 1 + (width * (j + 4))] = 1;
+      for (x = 2; x < 4; x++) {
+        buffer[y + x + (width * (j + 2))] = 1;
+        buffer[y + 2 + (width * (j + x + 1))] = 1;
+        buffer[y + 4 + (width * (j + x))] = 1;
+        buffer[y + x + 1 + (width * (j + 4))] = 1;
       }
     }
-  }
+  },
 
-  _insertTimingGap() {
-    const width = this.width;
+  _insertTimingGap: function() {
+    var x, y;
+    var width = this.width;
 
-    for (let y = 0; y < 7; y++) {
+    for (y = 0; y < 7; y++) {
       this._setMask(7, y);
       this._setMask(width - 8, y);
       this._setMask(7, y + width - 7);
     }
 
-    for (let x = 0; x < 8; x++) {
+    for (x = 0; x < 8; x++) {
       this._setMask(x, 7);
       this._setMask(x + width - 8, 7);
       this._setMask(x, width - 8);
     }
-  }
+  },
 
-  _insertTimingRowAndColumn() {
-    const width = this.width;
+  _insertTimingRowAndColumn: function() {
+    var x;
+    var buffer = this.buffer;
+    var width = this.width;
 
-    for (let x = 0; x < width - 14; x++) {
+    for (x = 0; x < width - 14; x++) {
       if (x & 1) {
         this._setMask(8 + x, 6);
         this._setMask(6, 8 + x);
       } else {
-        this.buffer[8 + x + (width * 6)] = 1;
-        this.buffer[6 + (width * (8 + x))] = 1;
+        buffer[8 + x + (width * 6)] = 1;
+        buffer[6 + (width * (8 + x))] = 1;
       }
     }
-  }
+  },
 
-  _insertVersion() {
-    const width = this.width;
+  _insertVersion: function() {
+    var i, j, x, y;
+    var buffer = this.buffer;
+    var version = this._version;
+    var width = this.width;
 
-    if (this._version > 6) {
-      const i = Version.BLOCK[this._version - 7];
-      let j = 17;
+    if (version > 6) {
+      i = Version.BLOCK[version - 7];
+      j = 17;
 
-      for (let x = 0; x < 6; x++) {
-        for (let y = 0; y < 3; y++, j--) {
-          if (1 & (j > 11 ? this._version >> j - 12 : i >> j)) {
-            this.buffer[5 - x + (width * (2 - y + width - 11))] = 1;
-            this.buffer[2 - y + width - 11 + (width * (5 - x))] = 1;
+      for (x = 0; x < 6; x++) {
+        for (y = 0; y < 3; y++, j--) {
+          if (1 & (j > 11 ? version >> j - 12 : i >> j)) {
+            buffer[5 - x + (width * (2 - y + width - 11))] = 1;
+            buffer[2 - y + width - 11 + (width * (5 - x))] = 1;
           } else {
             this._setMask(5 - x, 2 - y + width - 11);
             this._setMask(2 - y + width - 11, 5 - x);
@@ -761,29 +751,31 @@ class Frame {
         }
       }
     }
-  }
+  },
 
-  _isMasked(x, y) {
-    const bit = Frame._getMaskBit(x, y);
+  _isMasked: function(x, y) {
+    var bit = Frame._getMaskBit(x, y);
 
     return this._mask[bit] === 1;
-  }
+  },
 
-  _pack() {
-    let x = this.width - 1;
-    let y = this.width - 1;
-    let k = 1;
-    let v = 1;
+  _pack: function() {
+    var bit, i, j;
+    var k = 1;
+    var v = 1;
+    var width = this.width;
+    var x = width - 1;
+    var y = width - 1;
 
     // Interleaved data and ECC codes.
-    const length = ((this._dataBlock + this._eccBlock) * (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2;
+    var length = ((this._dataBlock + this._eccBlock) * (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2;
 
-    for (let i = 0; i < length; i++) {
-      let bit = this._stringBuffer[i];
+    for (i = 0; i < length; i++) {
+      bit = this._stringBuffer[i];
 
-      for (let j = 0; j < 8; j++, bit <<= 1) {
+      for (j = 0; j < 8; j++, bit <<= 1) {
         if (0x80 & bit) {
-          this.buffer[x + (this.width * y)] = 1;
+          this.buffer[x + (width * y)] = 1;
         }
 
         // Find next fill position.
@@ -805,7 +797,7 @@ class Frame {
                   y = 9;
                 }
               }
-            } else if (y !== this.width - 1) {
+            } else if (y !== width - 1) {
               y++;
             } else {
               x -= 2;
@@ -822,36 +814,38 @@ class Frame {
         } while (this._isMasked(x, y));
       }
     }
-  }
+  },
 
-  _reverseMask() {
-    const width = this.width;
+  _reverseMask: function() {
+    var x, y;
+    var width = this.width;
 
-    for (let x = 0; x < 9; x++) {
+    for (x = 0; x < 9; x++) {
       this._setMask(x, 8);
     }
 
-    for (let x = 0; x < 8; x++) {
+    for (x = 0; x < 8; x++) {
       this._setMask(x + width - 8, 8);
       this._setMask(8, x);
     }
 
-    for (let y = 0; y < 7; y++) {
+    for (y = 0; y < 7; y++) {
       this._setMask(8, y + width - 7);
     }
-  }
+  },
 
-  _setMask(x, y) {
-    const bit = Frame._getMaskBit(x, y);
+  _setMask: function(x, y) {
+    var bit = Frame._getMaskBit(x, y);
 
     this._mask[bit] = 1;
-  }
+  },
 
-  _syncMask() {
-    const width = this.width;
+  _syncMask: function() {
+    var x, y;
+    var width = this.width;
 
-    for (let y = 0; y < width; y++) {
-      for (let x = 0; x <= y; x++) {
+    for (y = 0; y < width; y++) {
+      for (x = 0; x <= y; x++) {
         if (this.buffer[x + (width * y)]) {
           this._setMask(x, y);
         }
@@ -859,9 +853,54 @@ class Frame {
     }
   }
 
-}
+}, {
+
+  _createArray: function(length) {
+    var i;
+    var array = [];
+
+    for (i = 0; i < length; i++) {
+      array[i] = 0;
+    }
+
+    return array;
+  },
+
+  _getMaskBit: function(x, y) {
+    var bit;
+
+    if (x > y) {
+      bit = x;
+      x = y;
+      y = bit;
+    }
+
+    bit = y;
+    bit += y * y;
+    bit >>= 1;
+    bit += x;
+
+    return bit;
+  },
+
+  _modN: function(x) {
+    while (x >= 255) {
+      x -= 255;
+      x = (x >> 8) + (x & 255);
+    }
+
+    return x;
+  },
+
+  // *Badness* coefficients.
+  N1: 3,
+  N2: 3,
+  N3: 40,
+  N4: 10
+
+});
 
-export default Frame;
+module.exports = Frame;
 
 /**
  * The options used by {@link Frame}.
diff --git a/src/Galois.js b/src/Galois.js
index 8133788..edbe3f9 100644
--- a/src/Galois.js
+++ b/src/Galois.js
@@ -17,69 +17,73 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+'use strict';
+
+var Nevis = require('nevis/lite');
+
 /**
  * Contains Galois field information.
  *
  * @public
+ * @class
+ * @extends Nevis
  */
-class Galois {
+var Galois = Nevis.extend(null, {
 
   /**
-   * Returns the Galois field exponent table.
+   * The Galois field exponent table.
    *
-   * @return {number[]} The Galois field exponent table.
    * @public
    * @static
+   * @type {number[]}
+   * @memberof Galois
    */
-  static get EXPONENT() {
-    return [
-      0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1d, 0x3a, 0x74, 0xe8, 0xcd, 0x87, 0x13, 0x26,
-      0x4c, 0x98, 0x2d, 0x5a, 0xb4, 0x75, 0xea, 0xc9, 0x8f, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0,
-      0x9d, 0x27, 0x4e, 0x9c, 0x25, 0x4a, 0x94, 0x35, 0x6a, 0xd4, 0xb5, 0x77, 0xee, 0xc1, 0x9f, 0x23,
-      0x46, 0x8c, 0x05, 0x0a, 0x14, 0x28, 0x50, 0xa0, 0x5d, 0xba, 0x69, 0xd2, 0xb9, 0x6f, 0xde, 0xa1,
-      0x5f, 0xbe, 0x61, 0xc2, 0x99, 0x2f, 0x5e, 0xbc, 0x65, 0xca, 0x89, 0x0f, 0x1e, 0x3c, 0x78, 0xf0,
-      0xfd, 0xe7, 0xd3, 0xbb, 0x6b, 0xd6, 0xb1, 0x7f, 0xfe, 0xe1, 0xdf, 0xa3, 0x5b, 0xb6, 0x71, 0xe2,
-      0xd9, 0xaf, 0x43, 0x86, 0x11, 0x22, 0x44, 0x88, 0x0d, 0x1a, 0x34, 0x68, 0xd0, 0xbd, 0x67, 0xce,
-      0x81, 0x1f, 0x3e, 0x7c, 0xf8, 0xed, 0xc7, 0x93, 0x3b, 0x76, 0xec, 0xc5, 0x97, 0x33, 0x66, 0xcc,
-      0x85, 0x17, 0x2e, 0x5c, 0xb8, 0x6d, 0xda, 0xa9, 0x4f, 0x9e, 0x21, 0x42, 0x84, 0x15, 0x2a, 0x54,
-      0xa8, 0x4d, 0x9a, 0x29, 0x52, 0xa4, 0x55, 0xaa, 0x49, 0x92, 0x39, 0x72, 0xe4, 0xd5, 0xb7, 0x73,
-      0xe6, 0xd1, 0xbf, 0x63, 0xc6, 0x91, 0x3f, 0x7e, 0xfc, 0xe5, 0xd7, 0xb3, 0x7b, 0xf6, 0xf1, 0xff,
-      0xe3, 0xdb, 0xab, 0x4b, 0x96, 0x31, 0x62, 0xc4, 0x95, 0x37, 0x6e, 0xdc, 0xa5, 0x57, 0xae, 0x41,
-      0x82, 0x19, 0x32, 0x64, 0xc8, 0x8d, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0, 0xdd, 0xa7, 0x53, 0xa6,
-      0x51, 0xa2, 0x59, 0xb2, 0x79, 0xf2, 0xf9, 0xef, 0xc3, 0x9b, 0x2b, 0x56, 0xac, 0x45, 0x8a, 0x09,
-      0x12, 0x24, 0x48, 0x90, 0x3d, 0x7a, 0xf4, 0xf5, 0xf7, 0xf3, 0xfb, 0xeb, 0xcb, 0x8b, 0x0b, 0x16,
-      0x2c, 0x58, 0xb0, 0x7d, 0xfa, 0xe9, 0xcf, 0x83, 0x1b, 0x36, 0x6c, 0xd8, 0xad, 0x47, 0x8e, 0x00
-    ];
-  }
+  EXPONENT: [
+    0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1d, 0x3a, 0x74, 0xe8, 0xcd, 0x87, 0x13, 0x26,
+    0x4c, 0x98, 0x2d, 0x5a, 0xb4, 0x75, 0xea, 0xc9, 0x8f, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0,
+    0x9d, 0x27, 0x4e, 0x9c, 0x25, 0x4a, 0x94, 0x35, 0x6a, 0xd4, 0xb5, 0x77, 0xee, 0xc1, 0x9f, 0x23,
+    0x46, 0x8c, 0x05, 0x0a, 0x14, 0x28, 0x50, 0xa0, 0x5d, 0xba, 0x69, 0xd2, 0xb9, 0x6f, 0xde, 0xa1,
+    0x5f, 0xbe, 0x61, 0xc2, 0x99, 0x2f, 0x5e, 0xbc, 0x65, 0xca, 0x89, 0x0f, 0x1e, 0x3c, 0x78, 0xf0,
+    0xfd, 0xe7, 0xd3, 0xbb, 0x6b, 0xd6, 0xb1, 0x7f, 0xfe, 0xe1, 0xdf, 0xa3, 0x5b, 0xb6, 0x71, 0xe2,
+    0xd9, 0xaf, 0x43, 0x86, 0x11, 0x22, 0x44, 0x88, 0x0d, 0x1a, 0x34, 0x68, 0xd0, 0xbd, 0x67, 0xce,
+    0x81, 0x1f, 0x3e, 0x7c, 0xf8, 0xed, 0xc7, 0x93, 0x3b, 0x76, 0xec, 0xc5, 0x97, 0x33, 0x66, 0xcc,
+    0x85, 0x17, 0x2e, 0x5c, 0xb8, 0x6d, 0xda, 0xa9, 0x4f, 0x9e, 0x21, 0x42, 0x84, 0x15, 0x2a, 0x54,
+    0xa8, 0x4d, 0x9a, 0x29, 0x52, 0xa4, 0x55, 0xaa, 0x49, 0x92, 0x39, 0x72, 0xe4, 0xd5, 0xb7, 0x73,
+    0xe6, 0xd1, 0xbf, 0x63, 0xc6, 0x91, 0x3f, 0x7e, 0xfc, 0xe5, 0xd7, 0xb3, 0x7b, 0xf6, 0xf1, 0xff,
+    0xe3, 0xdb, 0xab, 0x4b, 0x96, 0x31, 0x62, 0xc4, 0x95, 0x37, 0x6e, 0xdc, 0xa5, 0x57, 0xae, 0x41,
+    0x82, 0x19, 0x32, 0x64, 0xc8, 0x8d, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0, 0xdd, 0xa7, 0x53, 0xa6,
+    0x51, 0xa2, 0x59, 0xb2, 0x79, 0xf2, 0xf9, 0xef, 0xc3, 0x9b, 0x2b, 0x56, 0xac, 0x45, 0x8a, 0x09,
+    0x12, 0x24, 0x48, 0x90, 0x3d, 0x7a, 0xf4, 0xf5, 0xf7, 0xf3, 0xfb, 0xeb, 0xcb, 0x8b, 0x0b, 0x16,
+    0x2c, 0x58, 0xb0, 0x7d, 0xfa, 0xe9, 0xcf, 0x83, 0x1b, 0x36, 0x6c, 0xd8, 0xad, 0x47, 0x8e, 0x00
+  ],
 
   /**
-   * Returns the Galois field log table.
+   * The Galois field log table.
    *
-   * @return {number[]} The Galois field log table.
    * @public
    * @static
+   * @type {number[]}
+   * @memberof Galois
    */
-  static get LOG() {
-    return [
-      0xff, 0x00, 0x01, 0x19, 0x02, 0x32, 0x1a, 0xc6, 0x03, 0xdf, 0x33, 0xee, 0x1b, 0x68, 0xc7, 0x4b,
-      0x04, 0x64, 0xe0, 0x0e, 0x34, 0x8d, 0xef, 0x81, 0x1c, 0xc1, 0x69, 0xf8, 0xc8, 0x08, 0x4c, 0x71,
-      0x05, 0x8a, 0x65, 0x2f, 0xe1, 0x24, 0x0f, 0x21, 0x35, 0x93, 0x8e, 0xda, 0xf0, 0x12, 0x82, 0x45,
-      0x1d, 0xb5, 0xc2, 0x7d, 0x6a, 0x27, 0xf9, 0xb9, 0xc9, 0x9a, 0x09, 0x78, 0x4d, 0xe4, 0x72, 0xa6,
-      0x06, 0xbf, 0x8b, 0x62, 0x66, 0xdd, 0x30, 0xfd, 0xe2, 0x98, 0x25, 0xb3, 0x10, 0x91, 0x22, 0x88,
-      0x36, 0xd0, 0x94, 0xce, 0x8f, 0x96, 0xdb, 0xbd, 0xf1, 0xd2, 0x13, 0x5c, 0x83, 0x38, 0x46, 0x40,
-      0x1e, 0x42, 0xb6, 0xa3, 0xc3, 0x48, 0x7e, 0x6e, 0x6b, 0x3a, 0x28, 0x54, 0xfa, 0x85, 0xba, 0x3d,
-      0xca, 0x5e, 0x9b, 0x9f, 0x0a, 0x15, 0x79, 0x2b, 0x4e, 0xd4, 0xe5, 0xac, 0x73, 0xf3, 0xa7, 0x57,
-      0x07, 0x70, 0xc0, 0xf7, 0x8c, 0x80, 0x63, 0x0d, 0x67, 0x4a, 0xde, 0xed, 0x31, 0xc5, 0xfe, 0x18,
-      0xe3, 0xa5, 0x99, 0x77, 0x26, 0xb8, 0xb4, 0x7c, 0x11, 0x44, 0x92, 0xd9, 0x23, 0x20, 0x89, 0x2e,
-      0x37, 0x3f, 0xd1, 0x5b, 0x95, 0xbc, 0xcf, 0xcd, 0x90, 0x87, 0x97, 0xb2, 0xdc, 0xfc, 0xbe, 0x61,
-      0xf2, 0x56, 0xd3, 0xab, 0x14, 0x2a, 0x5d, 0x9e, 0x84, 0x3c, 0x39, 0x53, 0x47, 0x6d, 0x41, 0xa2,
-      0x1f, 0x2d, 0x43, 0xd8, 0xb7, 0x7b, 0xa4, 0x76, 0xc4, 0x17, 0x49, 0xec, 0x7f, 0x0c, 0x6f, 0xf6,
-      0x6c, 0xa1, 0x3b, 0x52, 0x29, 0x9d, 0x55, 0xaa, 0xfb, 0x60, 0x86, 0xb1, 0xbb, 0xcc, 0x3e, 0x5a,
-      0xcb, 0x59, 0x5f, 0xb0, 0x9c, 0xa9, 0xa0, 0x51, 0x0b, 0xf5, 0x16, 0xeb, 0x7a, 0x75, 0x2c, 0xd7,
-      0x4f, 0xae, 0xd5, 0xe9, 0xe6, 0xe7, 0xad, 0xe8, 0x74, 0xd6, 0xf4, 0xea, 0xa8, 0x50, 0x58, 0xaf
-    ];
-  }
+  LOG: [
+    0xff, 0x00, 0x01, 0x19, 0x02, 0x32, 0x1a, 0xc6, 0x03, 0xdf, 0x33, 0xee, 0x1b, 0x68, 0xc7, 0x4b,
+    0x04, 0x64, 0xe0, 0x0e, 0x34, 0x8d, 0xef, 0x81, 0x1c, 0xc1, 0x69, 0xf8, 0xc8, 0x08, 0x4c, 0x71,
+    0x05, 0x8a, 0x65, 0x2f, 0xe1, 0x24, 0x0f, 0x21, 0x35, 0x93, 0x8e, 0xda, 0xf0, 0x12, 0x82, 0x45,
+    0x1d, 0xb5, 0xc2, 0x7d, 0x6a, 0x27, 0xf9, 0xb9, 0xc9, 0x9a, 0x09, 0x78, 0x4d, 0xe4, 0x72, 0xa6,
+    0x06, 0xbf, 0x8b, 0x62, 0x66, 0xdd, 0x30, 0xfd, 0xe2, 0x98, 0x25, 0xb3, 0x10, 0x91, 0x22, 0x88,
+    0x36, 0xd0, 0x94, 0xce, 0x8f, 0x96, 0xdb, 0xbd, 0xf1, 0xd2, 0x13, 0x5c, 0x83, 0x38, 0x46, 0x40,
+    0x1e, 0x42, 0xb6, 0xa3, 0xc3, 0x48, 0x7e, 0x6e, 0x6b, 0x3a, 0x28, 0x54, 0xfa, 0x85, 0xba, 0x3d,
+    0xca, 0x5e, 0x9b, 0x9f, 0x0a, 0x15, 0x79, 0x2b, 0x4e, 0xd4, 0xe5, 0xac, 0x73, 0xf3, 0xa7, 0x57,
+    0x07, 0x70, 0xc0, 0xf7, 0x8c, 0x80, 0x63, 0x0d, 0x67, 0x4a, 0xde, 0xed, 0x31, 0xc5, 0xfe, 0x18,
+    0xe3, 0xa5, 0x99, 0x77, 0x26, 0xb8, 0xb4, 0x7c, 0x11, 0x44, 0x92, 0xd9, 0x23, 0x20, 0x89, 0x2e,
+    0x37, 0x3f, 0xd1, 0x5b, 0x95, 0xbc, 0xcf, 0xcd, 0x90, 0x87, 0x97, 0xb2, 0xdc, 0xfc, 0xbe, 0x61,
+    0xf2, 0x56, 0xd3, 0xab, 0x14, 0x2a, 0x5d, 0x9e, 0x84, 0x3c, 0x39, 0x53, 0x47, 0x6d, 0x41, 0xa2,
+    0x1f, 0x2d, 0x43, 0xd8, 0xb7, 0x7b, 0xa4, 0x76, 0xc4, 0x17, 0x49, 0xec, 0x7f, 0x0c, 0x6f, 0xf6,
+    0x6c, 0xa1, 0x3b, 0x52, 0x29, 0x9d, 0x55, 0xaa, 0xfb, 0x60, 0x86, 0xb1, 0xbb, 0xcc, 0x3e, 0x5a,
+    0xcb, 0x59, 0x5f, 0xb0, 0x9c, 0xa9, 0xa0, 0x51, 0x0b, 0xf5, 0x16, 0xeb, 0x7a, 0x75, 0x2c, 0xd7,
+    0x4f, 0xae, 0xd5, 0xe9, 0xe6, 0xe7, 0xad, 0xe8, 0x74, 0xd6, 0xf4, 0xea, 0xa8, 0x50, 0x58, 0xaf
+  ]
 
-}
+});
 
-export default Galois;
+module.exports = Galois;
diff --git a/src/QRious.js b/src/QRious.js
index 9943d63..3149b23 100644
--- a/src/QRious.js
+++ b/src/QRious.js
@@ -17,98 +17,54 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import CanvasRenderer from './renderer/CanvasRenderer';
-import Frame from './Frame';
-import ImageRenderer from './renderer/ImageRenderer';
-import Option from './option/Option';
-import OptionManager from './option/OptionManager';
-import ServiceManager from './service/ServiceManager';
-import Utilities from './util/Utilities';
+'use strict';
 
-const optionManager = new OptionManager([
-  new Option('background', 'white'),
-  new Option('backgroundAlpha', 1, Utilities.abs),
+var Nevis = require('nevis/lite');
+
+var CanvasRenderer = require('./renderer/CanvasRenderer');
+var Frame = require('./Frame');
+var ImageRenderer = require('./renderer/ImageRenderer');
+var Option = require('./option/Option');
+var OptionManager = require('./option/OptionManager');
+var ServiceManager = require('./service/ServiceManager');
+var Utilities = require('./util/Utilities');
+
+var optionManager = new OptionManager([
+  new Option('background', true, 'white'),
+  new Option('backgroundAlpha', true, 1, Utilities.abs),
   new Option('element'),
-  new Option('foreground', 'black'),
-  new Option('foregroundAlpha', 1, Utilities.abs),
-  new Option('level', 'L', Utilities.toUpperCase),
-  new Option('mime', 'image/png'),
-  new Option('padding', null, Utilities.abs),
-  new Option('size', 100, Utilities.abs),
-  new Option('value', '')
+  new Option('foreground', true, 'black'),
+  new Option('foregroundAlpha', true, 1, Utilities.abs),
+  new Option('level', true, 'L', Utilities.toUpperCase),
+  new Option('mime', true, 'image/png'),
+  new Option('padding', true, null, Utilities.abs),
+  new Option('size', true, 100, Utilities.abs),
+  new Option('value', true, '')
 ]);
-const serviceManager = new ServiceManager();
+var serviceManager = new ServiceManager();
 
 /**
  * Enables configuration of a QR code generator which uses HTML5 <code>canvas</code> for rendering.
  *
+ * @param {QRious~Options} [options] - the options to be used
+ * @throws {Error} If any <code>options</code> are invalid.
  * @public
+ * @class
+ * @extends Nevis
  */
-class QRious {
+var QRious = Nevis.extend(function(options) {
+  optionManager.init(options, this, this.update.bind(this));
 
-  /**
-   * Returns the default options for {@link QRious}.
-   *
-   * @return {QRious~Options} The default options.
-   * @deprecated Since 2.3.0
-   * @public
-   * @static
-   */
-  static get DEFAULTS() {
-    const result = {};
+  var element = optionManager.get('element', this);
+  var elementService = serviceManager.getService('element');
+  var canvas = element && elementService.isCanvas(element) ? element : elementService.createCanvas();
+  var image = element && elementService.isImage(element) ? element : elementService.createImage();
 
-    optionManager.options.forEach((option) => {
-      result[option.name] = option.defaultValue;
-    });
+  this._canvasRenderer = new CanvasRenderer(this, canvas, true);
+  this._imageRenderer = new ImageRenderer(this, image, image === element);
 
-    return result;
-  }
-
-  /**
-   * Returns the current version of {@link QRious}.
-   *
-   * @return {string} The current version.
-   * @public
-   * @static
-   */
-  static get VERSION() {
-    return '2.3.0';
-  }
-
-  /**
-   * Configures the <code>service</code> provided to be used by all {@link QRious} instances.
-   *
-   * @param {Service} service - the {@link Service} to be configured
-   * @return {void}
-   * @throws {Error} If a {@link Service} has already been configured with the same name.
-   * @public
-   * @static
-   */
-  static use(service) {
-    serviceManager.setService(service.getName(), service);
-  }
-
-  /**
-   * Creates a new instance of {@link QRious} based on the <code>options</code> provided.
-   *
-   * @param {QRious~Options} [options] - the options to be used
-   * @throws {Error} If any <code>options</code> are invalid.
-   * @public
-   */
-  constructor(options) {
-    optionManager.applyDefaults(this);
-    optionManager.setAll(options, this);
-
-    const element = optionManager.get('element', this);
-    const elementService = serviceManager.getService('element');
-    const canvas = element && elementService.isCanvas(element) ? element : elementService.createCanvas();
-    const image = element && elementService.isImage(element) ? element : elementService.createImage();
-
-    this._canvasRenderer = new CanvasRenderer(this, canvas, true);
-    this._imageRenderer = new ImageRenderer(this, image, image === element);
-
-    this.update();
-  }
+  this.update();
+}, {
 
   /**
    * Returns all of the options configured for this {@link QRious}.
@@ -118,10 +74,11 @@ class QRious {
    *
    * @return {Object.<string, *>} A copy of the applied options.
    * @public
+   * @memberof QRious#
    */
-  get() {
+  get: function() {
     return optionManager.getAll(this);
-  }
+  },
 
   /**
    * Sets all of the specified <code>options</code> and automatically updates this {@link QRious} if any of the
@@ -132,14 +89,15 @@ class QRious {
    *
    * @param {QRious~Options} options - the options to be set
    * @return {void}
-   * @throws {Error} If any <code>options</code> are invalid.
+   * @throws {Error} If any <code>options</code> are invalid or cannot be modified.
    * @public
+   * @memberof QRious#
    */
-  set(options) {
+  set: function(options) {
     if (optionManager.setAll(options, this)) {
       this.update();
     }
-  }
+  },
 
   /**
    * Returns the image data URI for the generated QR code using the <code>mime</code> provided.
@@ -147,19 +105,21 @@ class QRious {
    * @param {string} [mime] - the MIME type for the image
    * @return {string} The image data URI for the QR code.
    * @public
+   * @memberof QRious#
    */
-  toDataURL(mime) {
+  toDataURL: function(mime) {
     return this.canvas.toDataURL(mime || this.mime);
-  }
+  },
 
   /**
    * Updates this {@link QRious} by generating a new {@link Frame} and re-rendering the QR code.
    *
    * @return {void}
    * @protected
+   * @memberof QRious#
    */
-  update() {
-    const frame = new Frame({
+  update: function() {
+    var frame = new Frame({
       level: this.level,
       value: this.value
     });
@@ -168,244 +128,67 @@ class QRious {
     this._imageRenderer.render(frame);
   }
 
-  /**
-   * Returns the background color for the QR code.
-   *
-   * @return {string} The background color.
-   * @public
-   */
-  get background() {
-    return optionManager.get('background', this);
-  }
-
-  /**
-   * Sets the background color for the QR code to <code>background</code> and automatically updates this {@link QRious}
-   * if the underlying field is changed as a result.
-   *
-   * @param {string} [background="white"] - the background color to be set
-   * @public
-   */
-  set background(background) {
-    if (optionManager.set('background', background, this)) {
-      this.update();
-    }
-  }
-
-  /**
-   * Returns the background alpha for the QR code.
-   *
-   * @return {number} The background alpha.
-   * @public
-   */
-  get backgroundAlpha() {
-    return optionManager.get('backgroundAlpha', this);
-  }
-
-  /**
-   * Sets the background alpha for the QR code to <code>backgroundAlpha</code> and automatically updates this
-   * {@link QRious} if the underlying field is changed as a result.
-   *
-   * @param {number} [backgroundAlpha=1] - the background alpha to be set
-   * @public
-   */
-  set backgroundAlpha(backgroundAlpha) {
-    if (optionManager.set('backgroundAlpha', backgroundAlpha, this)) {
-      this.update();
-    }
-  }
-
-  /**
-   * Returns the <code>canvas</code> element being used to render the QR code for this {@link QRious}.
-   *
-   * @return {*} The <code>canvas</code> element.
-   * @public
-   */
-  get canvas() {
-    return this._canvasRenderer.getElement();
-  }
-
-  /**
-   * Returns the foreground color for the QR code.
-   *
-   * @return {string} The foreground color.
-   * @public
-   */
-  get foreground() {
-    return optionManager.get('foreground', this);
-  }
-
-  /**
-   * Sets the foreground color for the QR code to <code>foreground</code> and automatically updates this {@link QRious}
-   * if the underlying field is changed as a result.
-   *
-   * @param {string} [foreground="black"] - the foreground color to be set
-   * @public
-   */
-  set foreground(foreground) {
-    if (optionManager.set('foreground', foreground, this)) {
-      this.update();
-    }
-  }
-
-  /**
-   * Returns the foreground alpha for the QR code.
-   *
-   * @return {number} The foreground alpha.
-   * @public
-   */
-  get foregroundAlpha() {
-    return optionManager.get('foregroundAlpha', this);
-  }
-
-  /**
-   * Sets the foreground alpha for the QR code to <code>foregroundAlpha</code> and automatically updates this
-   * {@link QRious} if the underlying field is changed as a result.
-   *
-   * @param {number} [foregroundAlpha=1] - the foreground alpha to be set
-   * @public
-   */
-  set foregroundAlpha(foregroundAlpha) {
-    if (optionManager.set('foregroundAlpha', foregroundAlpha, this)) {
-      this.update();
-    }
-  }
-
-  /**
-   * Returns the <code>img</code> element being used to render the QR code for this {@link QRious}.
-   *
-   * @return {*} The <code>img</code> element.
-   * @public
-   */
-  get image() {
-    return this._imageRenderer.getElement();
-  }
-
-  /**
-   * Returns the error correction level for the QR code.
-   *
-   * @return {string} The ECC level.
-   * @public
-   */
-  get level() {
-    return optionManager.get('level', this);
-  }
-
-  /**
-   * Sets the error correction level for the QR code to <code>level</code> and automatically updates this {@link QRious}
-   * if the underlying field is changed as a result.
-   *
-   * <code>level</code> will be transformed to upper case to aid mapping to known ECC level blocks.
-   *
-   * @param {string} [level="L"] - the ECC level to be set
-   * @public
-   */
-  set level(level) {
-    if (optionManager.set('level', level, this)) {
-      this.update();
-    }
-  }
-
-  /**
-   * Returns the MIME type for the image rendered for the QR code.
-   *
-   * @return {string} The image MIME type.
-   * @public
-   */
-  get mime() {
-    return optionManager.get('mime', this);
-  }
+}, {
 
   /**
-   * Sets the MIME type for the image rendered for the QR code to <code>mime</code> and automatically updates this
-   * {@link QRious} if the underlying field is changed as a result.
+   * The current version of {@link QRious}.
    *
-   * @param {string} [mime="image/png"] - the image MIME type to be set
    * @public
+   * @static
+   * @type {string}
+   * @memberof QRious
    */
-  set mime(mime) {
-    if (optionManager.set('mime', mime, this)) {
-      this.update();
-    }
-  }
+  VERSION: '3.0.0',
 
   /**
-   * Returns the padding for the QR code.
+   * Configures the <code>service</code> provided to be used by all {@link QRious} instances.
    *
-   * @return {number} The padding in pixels.
+   * @param {Service} service - the {@link Service} to be configured
+   * @return {void}
+   * @throws {Error} If a {@link Service} has already been configured with the same name.
    * @public
+   * @static
+   * @memberof QRious
    */
-  get padding() {
-    return optionManager.get('padding', this);
+  use: function(service) {
+    serviceManager.setService(service.getName(), service);
   }
 
-  /**
-   * Sets the padding for the QR code to <code>padding</code> and automatically updates this {@link QRious} if the
-   * underlying field is changed as a result.
-   *
-   * <code>padding</code> will be transformed to ensure that it is always an absolute positive numbers (e.g.
-   * <code>-10</code> would become <code>10</code>).
-   *
-   * @param {number} [padding] - the padding in pixels to be set
-   * @public
-   */
-  set padding(padding) {
-    if (optionManager.set('padding', padding, this)) {
-      this.update();
-    }
-  }
+});
 
-  /**
-   * Returns the size of the QR code.
-   *
-   * @return {number} The size in pixels.
-   * @public
-   */
-  get size() {
-    return optionManager.get('size', this);
-  }
+Object.defineProperties(QRious.prototype, {
 
-  /**
-   * Sets the size of the QR code to <code>size</code> and automatically updates this {@link QRious} if the underlying
-   * field is changed as a result.
-   *
-   * <code>size</code> will be transformed to ensure that it is always an absolute positive numbers (e.g.
-   * <code>-100</code> would become <code>100</code>).
-   *
-   * @param {number} [size=100] - the size in pixels to be set
-   * @public
-   */
-  set size(size) {
-    if (optionManager.set('size', size, this)) {
-      this.update();
+  canvas: {
+    /**
+     * Returns the <code>canvas</code> element being used to render the QR code for this {@link QRious}.
+     *
+     * @return {*} The <code>canvas</code> element.
+     * @public
+     * @memberof QRious#
+     * @alias canvas
+     */
+    get: function() {
+      return this._canvasRenderer.getElement();
     }
-  }
-
-  /**
-   * Returns the value of the QR code.
-   *
-   * @return {string} The value.
-   * @public
-   */
-  get value() {
-    return optionManager.get('value', this);
-  }
-
-  /**
-   * Sets the value of the QR code to <code>value</code> and automatically updates this {@link QRious} if the underlying
-   * field is changed as a result.
-   *
-   * @param {string} [value=""] - the value to be set
-   * @public
-   */
-  set value(value) {
-    if (optionManager.set('value', value, this)) {
-      this.update();
+  },
+
+  image: {
+    /**
+     * Returns the <code>img</code> element being used to render the QR code for this {@link QRious}.
+     *
+     * @return {*} The <code>img</code> element.
+     * @public
+     * @memberof QRious#
+     * @alias image
+     */
+    get: function() {
+      return this._imageRenderer.getElement();
     }
   }
 
-}
+});
 
-export default QRious;
+module.exports = QRious;
 
 /**
  * The options used by {@link QRious}.
diff --git a/src/Version.js b/src/Version.js
index 80f3a4a..e9ec9eb 100644
--- a/src/Version.js
+++ b/src/Version.js
@@ -17,28 +17,33 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+'use strict';
+
+var Nevis = require('nevis/lite');
+
 /**
  * Contains version pattern information.
  *
  * @public
+ * @class
+ * @extends Nevis
  */
-class Version {
+var Version = Nevis.extend(null, {
 
   /**
-   * Returns the version pattern block.
+   * The version pattern block.
    *
-   * @return {number[]} The version pattern block.
    * @public
    * @static
+   * @type {number[]}
+   * @memberof Version
    */
-  static get BLOCK() {
-    return [
-      0xc94, 0x5bc, 0xa99, 0x4d3, 0xbf6, 0x762, 0x847, 0x60d, 0x928, 0xb78, 0x45d, 0xa17, 0x532,
-      0x9a6, 0x683, 0x8c9, 0x7ec, 0xec4, 0x1e1, 0xfab, 0x08e, 0xc1a, 0x33f, 0xd75, 0x250, 0x9d5,
-      0x6f0, 0x8ba, 0x79f, 0xb0b, 0x42e, 0xa64, 0x541, 0xc69
-    ];
-  }
+  BLOCK: [
+    0xc94, 0x5bc, 0xa99, 0x4d3, 0xbf6, 0x762, 0x847, 0x60d, 0x928, 0xb78, 0x45d, 0xa17, 0x532,
+    0x9a6, 0x683, 0x8c9, 0x7ec, 0xec4, 0x1e1, 0xfab, 0x08e, 0xc1a, 0x33f, 0xd75, 0x250, 0x9d5,
+    0x6f0, 0x8ba, 0x79f, 0xb0b, 0x42e, 0xa64, 0x541, 0xc69
+  ]
 
-}
+});
 
-export default Version;
+module.exports = Version;
diff --git a/src/option/Option.js b/src/option/Option.js
index f6d371f..7d13dbc 100644
--- a/src/option/Option.js
+++ b/src/option/Option.js
@@ -17,39 +17,61 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+'use strict';
+
+var Nevis = require('nevis/lite');
+
 /**
  * Defines an available option while also configuring how values are applied to the target object.
  *
- * While a value associated with an option can be changed on the target object, the option definition itself is
- * immutable.
+ * Optionally, a default value can be specified as well a value transformer for greater control over how the option
+ * value is applied.
+ *
+ * If no value transformer is specified, then any specified option will be applied directly. All values are maintained
+ * on the target object itself as a field using the option name prefixed with a single underscore.
  *
+ * When an option is specified as modifiable, the {@link OptionManager} will be required to include a setter for the
+ * property that is defined on the target object that uses the option name.
+ *
+ * @param {string} name - the name to be used
+ * @param {boolean} [modifiable] - <code>true</code> if the property defined on target objects should include a setter;
+ * otherwise <code>false</code>
+ * @param {*} [defaultValue] - the default value to be used
+ * @param {Option~ValueTransformer} [valueTransformer] - the value transformer to be used
  * @public
+ * @class
+ * @extends Nevis
  */
-class Option {
-
+var Option = Nevis.extend(function(name, modifiable, defaultValue, valueTransformer) {
   /**
-   * Creates a new instance of {@link Option} based on the <code>name</code> provided.
+   * The name for this {@link Option}.
    *
-   * Optionally, a <code>defaultValue</code> can be specified as well a <code>valueTransformer</code> and
-   * <code>fieldNameResolver</code> for greater control over how the option value is applied.
-   *
-   * If no <code>valueTransformer</code> is specified, then any specified option will be applied directly.
+   * @public
+   * @type {string}
+   * @memberof Option#
+   */
+  this.name = name;
+
+  /**
+   * Whether a setter should be included on the property defined on target objects for this {@link Option}.
    *
-   * If no <code>fieldNameResolver</code> is specified, then the field name will be resolved to <code>name</code>
-   * prefixed with a single underscore when the option is applied.
+   * @public
+   * @type {boolean}
+   * @memberof Option#
+   */
+  this.modifiable = Boolean(modifiable);
+
+  /**
+   * The default value for this {@link Option}.
    *
-   * @param {string} name - the name to be used
-   * @param {*} [defaultValue] - the default value to be used
-   * @param {Option~ValueTransformer} [valueTransformer] - the value transformer to be used
-   * @param {Option~FieldNameResolver} [fieldNameResolver] - the field name resolver to be used
    * @public
+   * @type {*}
+   * @memberof Option#
    */
-  constructor(name, defaultValue, valueTransformer, fieldNameResolver) {
-    this._name = name;
-    this._defaultValue = defaultValue;
-    this._valueTransformer = valueTransformer;
-    this._fieldName = typeof fieldNameResolver === 'function' ? fieldNameResolver(this) : `_${name}`;
-  }
+  this.defaultValue = defaultValue;
+
+  this._valueTransformer = valueTransformer;
+}, {
 
   /**
    * Transforms the specified <code>value</code> so that it can be applied for this {@link Option}.
@@ -60,9 +82,10 @@ class Option {
    * @param {*} value - the value to be transformed
    * @return {*} The transformed value or <code>value</code> if no value transformer is specified.
    * @public
+   * @memberof Option#
    */
-  transform(value) {
-    const transformer = this._valueTransformer;
+  transform: function(value) {
+    var transformer = this._valueTransformer;
     if (typeof transformer === 'function') {
       return transformer(value, this);
     }
@@ -70,52 +93,9 @@ class Option {
     return value;
   }
 
-  /**
-   * Returns the field name for this {@link Option}.
-   *
-   * @return {string} The field name.
-   * @public
-   */
-  get fieldName() {
-    return this._fieldName;
-  }
-
-  /**
-   * Returns the name for this {@link Option}.
-   *
-   * @return {string} The name.
-   * @public
-   */
-  get name() {
-    return this._name;
-  }
-
-  /**
-   * Returns the default value for this {@link Option}.
-   *
-   * @return {*} The default value.
-   * @public
-   */
-  get defaultValue() {
-    return this._defaultValue;
-  }
-
-}
-
-export default Option;
+});
 
-/**
- * Returns the field name to which the specified <code>option</code> is associated on the target object.
- *
- * The resolved name will be used to identify the field that values for <code>option</code> are to be read from and
- * written to.
- *
- * This function will only called once for <code>option</code>, upon initialization.
- *
- * @callback Option~FieldNameResolver
- * @param {Option} option - the {@link Option} whose field name is to be resolved
- * @return {string} The resolved field name for <code>option</code>.
- */
+module.exports = Option;
 
 /**
  * Returns a transformed value for the specified <code>value</code> to be applied for the <code>option</code> provided.
diff --git a/src/option/OptionManager.js b/src/option/OptionManager.js
index 30209d1..7648c40 100644
--- a/src/option/OptionManager.js
+++ b/src/option/OptionManager.js
@@ -17,66 +17,36 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import Utilities from '../util/Utilities';
+'use strict';
+
+var Nevis = require('nevis/lite');
+
+var Utilities = require('../util/Utilities');
 
 /**
  * Manages multiple {@link Option} instances that are intended to be used by multiple implementations.
  *
  * Although the option definitions are shared between targets, the values are maintained on the targets themselves.
  *
- * While a value associated with each option can be changed on the target objects, the manager and the option
- * definitions themselves are immutable.
- *
+ * @param {Option[]} options - the options to be used
  * @public
+ * @class
+ * @extends Nevis
  */
-class OptionManager {
-
-  static _get(option, target) {
-    return target[option.fieldName];
-  }
-
-  static _set(option, value, target) {
-    const fieldName = option.fieldName;
-    const oldValue = target[fieldName];
-    const newValue = option.transform(value != null ? value : option.defaultValue);
-
-    target[fieldName] = newValue;
-
-    return newValue !== oldValue;
-  }
-
-  /**
-   * Creates a new instance of {@link OptionManager} for the specified available <code>options</code>.
-   *
-   * @param {Option[]} options - the options to be used
-   * @public
-   */
-  constructor(options) {
-    this._options = {};
-
-    options.forEach((option) => {
-      this._options[option.name] = option;
-    });
-  }
-
+var OptionManager = Nevis.extend(function(options) {
   /**
-   * Sets the default values for all of the available options on the <code>target</code> object provided.
+   * The available options for this {@link OptionManager}.
    *
-   * @param {Object} target - the object on which the default values are to be set for each available option
-   * @return {void}
    * @public
+   * @type {Object.<string, Option>}
+   * @memberof OptionManager#
    */
-  applyDefaults(target) {
-    const options = this._options;
+  this.options = {};
 
-    for (const name in options) {
-      if (Utilities.hasOwn(options, name)) {
-        const option = options[name];
-
-        OptionManager._set(option, option.defaultValue, target);
-      }
-    }
-  }
+  options.forEach(function(option) {
+    this.options[option.name] = option;
+  }, this);
+}, {
 
   /**
    * Returns whether an option with the specified <code>name</code> is available.
@@ -85,10 +55,11 @@ class OptionManager {
    * @return {boolean} <code>true</code> if an {@link Option} exists with <code>name</code>; otherwise
    * <code>false</code>.
    * @public
+   * @memberof OptionManager#
    */
-  exists(name) {
-    return this._options[name] != null;
-  }
+  exists: function(name) {
+    return this.options[name] != null;
+  },
 
   /**
    * Returns the value of the option with the specified <code>name</code> on the <code>target</code> object provided.
@@ -97,10 +68,11 @@ class OptionManager {
    * @param {Object} target - the object from which the value of the named {@link Option} is to be returned
    * @return {*} The value of the {@link Option} with <code>name</code> on <code>target</code>.
    * @public
+   * @memberof OptionManager#
    */
-  get(name, target) {
-    return OptionManager._get(this._options[name], target);
-  }
+  get: function(name, target) {
+    return OptionManager._get(this.options[name], target);
+  },
 
   /**
    * Returns a copy of all of the available options on the <code>target</code> object provided.
@@ -108,25 +80,70 @@ class OptionManager {
    * @param {Object} target - the object from which the option name/value pairs are to be returned
    * @return {Object.<string, *>} A hash containing the name/value pairs of all options on <code>target</code>.
    * @public
+   * @memberof OptionManager#
    */
-  getAll(target) {
-    const options = this._options;
-    const result = {};
+  getAll: function(target) {
+    var name;
+    var options = this.options;
+    var result = {};
 
-    for (const name in options) {
+    for (name in options) {
       if (Utilities.hasOwn(options, name)) {
         result[name] = OptionManager._get(options[name], target);
       }
     }
 
     return result;
-  }
+  },
+
+  /**
+   * Initializes the available options for the <code>target</code> object provided and then applies the initial values
+   * within the speciifed <code>options</code>.
+   *
+   * This method will throw an error if any of the names within <code>options</code> does not match an available option.
+   *
+   * This involves setting the default values and defining properties for all of the available options on
+   * <code>target</code> before finally calling {@link OptionMananger#setAll} with <code>options</code> and
+   * <code>target</code>. Any options that are configured to be modifiable will have a setter included in their defined
+   * property that will allow its corresponding value to be modified.
+   *
+   * If a change handler is specified, it will be called whenever the value changes on <code>target</code> for a
+   * modifiable option, but only when done so via the defined property's setter.
+   *
+   * @param {Object.<string, *>} options - the name/value pairs of the initial options to be set
+   * @param {Object} target - the object on which the options are to be initialized
+   * @param {Function} [changeHandler] - the function to be called whenever the value of an modifiable option changes on
+   * <code>target</code>
+   * @return {void}
+   * @throws {Error} If <code>options</code> contains an invalid option name.
+   * @public
+   * @memberof OptionManager#
+   */
+  init: function(options, target, changeHandler) {
+    if (typeof changeHandler !== 'function') {
+      changeHandler = Utilities.noop;
+    }
+
+    var name, option;
+
+    for (name in this.options) {
+      if (Utilities.hasOwn(this.options, name)) {
+        option = this.options[name];
+
+        OptionManager._set(option, option.defaultValue, target);
+        OptionManager._createAccessor(option, target, changeHandler);
+      }
+    }
+
+    this._setAll(options, target, true);
+  },
 
   /**
    * Sets the value of the option with the specified <code>name</code> on the <code>target</code> object provided to
    * <code>value</code>.
    *
-   * This method will throw an error if <code>name</code> does not match an available option.
+   * This method will throw an error if <code>name</code> does not match an available option or matches an option that
+   * cannot be modified.
    *
    * If <code>value</code> is <code>null</code> and the {@link Option} has a default value configured, then that default
    * value will be used instead. If the {@link Option} also has a value transformer configured, it will be used to
@@ -139,23 +156,20 @@ class OptionManager {
    * @param {Object} target - the object on which <code>value</code> is to be set for the named {@link Option}
    * @return {boolean} <code>true</code> if the underlying field on <code>target</code> was changed; otherwise
    * <code>false</code>.
-   * @throws {Error} If no {@link Option} is being managed with <code>name</code>.
+   * @throws {Error} If <code>name</code> is invalid or is for an option that cannot be modified.
    * @public
+   * @memberof OptionManager#
    */
-  set(name, value, target) {
-    const option = this._options[name];
-    if (!option) {
-      throw new Error(`Invalid option: ${name}`);
-    }
-
-    return OptionManager._set(option, value, target);
-  }
+  set: function(name, value, target) {
+    return this._set(name, value, target);
+  },
 
   /**
    * Sets all of the specified <code>options</code> on the <code>target</code> object provided to their corresponding
    * values.
    *
-   * This method will throw an error if any of the names within <code>options</code> does not match an available option.
+   * This method will throw an error if any of the names within <code>options</code> does not match an available option
+   * or matches an option that cannot be modified.
    *
    * If any value within <code>options</code> is <code>null</code> and the corresponding {@link Option} has a default
    * value configured, then that default value will be used instead. If an {@link Option} also has a value transformer
@@ -168,18 +182,36 @@ class OptionManager {
    * @param {Object} target - the object on which the options are to be set
    * @return {boolean} <code>true</code> if any of the underlying fields on <code>target</code> were changed; otherwise
    * <code>false</code>.
-   * @throws {Error} If no {@link Option} is being managed with for any of the names within <code>options</code>.
+   * @throws {Error} If <code>options</code> contains an invalid option name or an option that cannot be modiifed.
    * @public
+   * @memberof OptionManager#
    */
-  setAll(options, target) {
+  setAll: function(options, target) {
+    return this._setAll(options, target);
+  },
+
+  _set: function(name, value, target, allowUnmodifiable) {
+    var option = this.options[name];
+    if (!option) {
+      throw new Error('Invalid option: ' + name);
+    }
+    if (!option.modifiable && !allowUnmodifiable) {
+      throw new Error('Option cannot be modified: ' + name);
+    }
+
+    return OptionManager._set(option, value, target);
+  },
+
+  _setAll: function(options, target, allowUnmodifiable) {
     if (!options) {
       return false;
     }
 
-    let changed = false;
+    var name;
+    var changed = false;
 
-    for (const name in options) {
-      if (Utilities.hasOwn(options, name) && this.set(name, options[name], target)) {
+    for (name in options) {
+      if (Utilities.hasOwn(options, name) && this._set(name, options[name], target, allowUnmodifiable)) {
         changed = true;
       }
     }
@@ -187,16 +219,50 @@ class OptionManager {
     return changed;
   }
 
-  /**
-   * Returns a copy of the available options for this {@link OptionManager}.
-   *
-   * @return {Option[]} The available options.
-   * @public
-   */
-  get options() {
-    return Object.values(this._options);
+}, {
+
+  _createAccessor: function(option, target, changeHandler) {
+    var descriptor = {
+      get: function() {
+        return OptionManager._get(option, target);
+      }
+    };
+
+    if (option.modifiable) {
+      descriptor.set = function(value) {
+        if (OptionManager._set(option, value, target)) {
+          changeHandler(value, option);
+        }
+      };
+    }
+
+    Object.defineProperty(target, option.name, descriptor);
+  },
+
+  _get: function(option, target) {
+    return target['_' + option.name];
+  },
+
+  _set: function(option, value, target) {
+    var fieldName = '_' + option.name;
+    var oldValue = target[fieldName];
+    var newValue = option.transform(value != null ? value : option.defaultValue);
+
+    target[fieldName] = newValue;
+
+    return newValue !== oldValue;
   }
 
-}
+});
 
-export default OptionManager;
+module.exports = OptionManager;
+
+/**
+ * Called whenever the value of a modifiable {@link Option} is changed on a target object via the defined property's
+ * setter.
+ *
+ * @callback OptionManager~ChangeHandler
+ * @param {*} value - the new value for <code>option</code> on the target object
+ * @param {Option} option - the modifable {@link Option} whose value has changed on the target object.
+ * @return {void}
+ */
diff --git a/src/renderer/CanvasRenderer.js b/src/renderer/CanvasRenderer.js
index 11e95ec..3ec594c 100644
--- a/src/renderer/CanvasRenderer.js
+++ b/src/renderer/CanvasRenderer.js
@@ -17,59 +17,65 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import Renderer from './Renderer';
+'use strict';
+
+var Renderer = require('./Renderer');
 
 /**
  * An implementation of {@link Renderer} for working with <code>canvas</code> elements.
  *
  * @public
+ * @class
  * @extends Renderer
  */
-class CanvasRenderer extends Renderer {
+var CanvasRenderer = Renderer.extend({
 
   /**
    * @override
    */
-  draw(frame) {
-    const qrious = this.qrious;
-    const moduleSize = this.getModuleSize(frame);
-    const offset = this.getOffset(frame);
-    const context = this.element.getContext('2d');
+  draw: function(frame) {
+    var i, j;
+    var qrious = this.qrious;
+    var moduleSize = this.getModuleSize(frame);
+    var offset = this.getOffset(frame);
+    var context = this.element.getContext('2d');
 
     context.fillStyle = qrious.foreground;
     context.globalAlpha = qrious.foregroundAlpha;
 
-    for (let i = 0; i < frame.width; i++) {
-      for (let j = 0; j < frame.width; j++) {
+    for (i = 0; i < frame.width; i++) {
+      for (j = 0; j < frame.width; j++) {
         if (frame.buffer[(j * frame.width) + i]) {
           context.fillRect((moduleSize * i) + offset, (moduleSize * j) + offset, moduleSize, moduleSize);
         }
       }
     }
-  }
+  },
 
   /**
    * @override
    */
-  reset() {
-    const qrious = this.qrious;
-    const context = this.element.getContext('2d');
-    const size = qrious.size;
+  reset: function() {
+    var qrious = this.qrious;
+    var context = this.element.getContext('2d');
+    var size = qrious.size;
 
     context.lineWidth = 1;
     context.clearRect(0, 0, size, size);
     context.fillStyle = qrious.background;
     context.globalAlpha = qrious.backgroundAlpha;
     context.fillRect(0, 0, size, size);
-  }
+  },
 
   /**
    * @override
    */
-  resize() {
-    this.element.width = this.element.height = this.qrious.size;
+  resize: function() {
+    var element = this.element;
+
+    element.width = element.height = this.qrious.size;
   }
 
-}
+});
 
-export default CanvasRenderer;
+module.exports = CanvasRenderer;
diff --git a/src/renderer/ImageRenderer.js b/src/renderer/ImageRenderer.js
index b52243f..dfff217 100644
--- a/src/renderer/ImageRenderer.js
+++ b/src/renderer/ImageRenderer.js
@@ -17,7 +17,9 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import Renderer from './Renderer';
+'use strict';
+
+var Renderer = require('./Renderer');
 
 /**
  * An implementation of {@link Renderer} for working with <code>img</code> elements.
@@ -26,31 +28,34 @@ import Renderer from './Renderer';
  * the rendered <code>canvas</code> element as the <code>src</code> for the <code>img</code> element being rendered.
  *
  * @public
+ * @class
  * @extends Renderer
  */
-class ImageRenderer extends Renderer {
+var ImageRenderer = Renderer.extend({
 
   /**
    * @override
    */
-  draw() {
+  draw: function() {
     this.element.src = this.qrious.toDataURL();
-  }
+  },
 
   /**
    * @override
    */
-  reset() {
+  reset: function() {
     this.element.src = '';
-  }
+  },
 
   /**
    * @override
    */
-  resize() {
-    this.element.width = this.element.height = this.qrious.size;
+  resize: function() {
+    var element = this.element;
+
+    element.width = element.height = this.qrious.size;
   }
 
-}
+});
 
-export default ImageRenderer;
+module.exports = ImageRenderer;
diff --git a/src/renderer/Renderer.js b/src/renderer/Renderer.js
index 91105db..a87f613 100644
--- a/src/renderer/Renderer.js
+++ b/src/renderer/Renderer.js
@@ -17,7 +17,9 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import Utilities from '../util/Utilities';
+'use strict';
+
+var Nevis = require('nevis/lite');
 
 /**
  * Responsible for rendering a QR code {@link Frame} on a specific type of element.
@@ -27,44 +29,42 @@ import Utilities from '../util/Utilities';
  * The rendering of a element can be deferred by disabling the renderer initially, however, any attempt get the element
  * from the renderer will result in it being immediately enabled and the element being rendered.
  *
+ * @param {QRious} qrious - the {@link QRious} instance to be used
+ * @param {*} element - the element onto which the QR code is to be rendered
+ * @param {boolean} [enabled] - <code>true</code> this {@link Renderer} is enabled; otherwise <code>false</code>.
  * @public
+ * @class
+ * @extends Nevis
  */
-class Renderer {
+var Renderer = Nevis.extend(function(qrious, element, enabled) {
+  /**
+   * The {@link QRious} instance.
+   *
+   * @protected
+   * @type {QRious}
+   * @memberof Renderer#
+   */
+  this.qrious = qrious;
 
   /**
-   * Creates a new instance of {@link Renderer} for the <code>qrious</code> instance and <code>element</code> provided.
+   * The element onto which this {@link Renderer} is rendering the QR code.
    *
-   * @param {QRious} qrious - the {@link QRious} instance to be used
-   * @param {*} element - the element onto which the QR code is to be rendered
-   * @param {boolean} [enabled] - <code>true</code> this {@link Renderer} is enabled; otherwise <code>false</code>.
-   * @public
+   * @protected
+   * @type {*}
+   * @memberof Renderer#
+   */
+  this.element = element;
+  this.element.qrious = qrious;
+
+  /**
+   * Whether this {@link Renderer} is enabled.
+   *
+   * @protected
+   * @type {boolean}
+   * @memberof Renderer#
    */
-  constructor(qrious, element, enabled) {
-    /**
-     * The {@link QRious} instance.
-     *
-     * @protected
-     * @type {QRious}
-     */
-    this.qrious = qrious;
-
-    /**
-     * The element onto which this {@link Renderer} is rendering the QR code.
-     *
-     * @protected
-     * @type {*}
-     */
-    this.element = element;
-    this.element.qrious = qrious;
-
-    /**
-     * Whether this {@link Renderer} is enabled.
-     *
-     * @protected
-     * @type {boolean}
-     */
-    this.enabled = Boolean(enabled);
-  }
+  this.enabled = Boolean(enabled);
+}, {
 
   /**
    * Draws the specified QR code <code>frame</code> on the underlying element.
@@ -74,10 +74,10 @@ class Renderer {
    * @param {Frame} frame - the {@link Frame} to be drawn
    * @return {void}
    * @protected
+   * @abstract
+   * @memberof Renderer#
    */
-  draw(frame) {
-    Utilities.throwUnimplemented('Renderer', 'draw');
-  }
+  draw: function(frame) {},
 
   /**
    * Returns the element onto which this {@link Renderer} is rendering the QR code.
@@ -87,15 +87,16 @@ class Renderer {
    *
    * @return {*} The element.
    * @public
+   * @memberof Renderer#
    */
-  getElement() {
+  getElement: function() {
     if (!this.enabled) {
       this.enabled = true;
       this.render();
     }
 
     return this.element;
-  }
+  },
 
   /**
    * Calculates the size (in pixel units) to represent an individual module within the QR code based on the
@@ -110,14 +111,15 @@ class Renderer {
    * @param {Frame} frame - the {@link Frame} from which the module size is to be derived
    * @return {number} The pixel size for each module in the QR code which will be no less than one.
    * @protected
+   * @memberof Renderer#
    */
-  getModuleSize(frame) {
-    const qrious = this.qrious;
-    const padding = qrious.padding || 0;
-    const pixels = Math.floor((qrious.size - (padding * 2)) / frame.width);
+  getModuleSize: function(frame) {
+    var qrious = this.qrious;
+    var padding = qrious.padding || 0;
+    var pixels = Math.floor((qrious.size - (padding * 2)) / frame.width);
 
     return Math.max(1, pixels);
-  }
+  },
 
   /**
    * Calculates the offset/padding (in pixel units) to be inserted before the QR code based on the <code>frame</code>
@@ -130,20 +132,21 @@ class Renderer {
    * @param {Frame} frame - the {@link Frame} from which the offset is to be derived
    * @return {number} The pixel offset for the QR code which will be no less than zero.
    * @protected
+   * @memberof Renderer#
    */
-  getOffset(frame) {
-    const qrious = this.qrious;
-    const padding = qrious.padding;
+  getOffset: function(frame) {
+    var qrious = this.qrious;
+    var padding = qrious.padding;
 
     if (padding != null) {
       return padding;
     }
 
-    const moduleSize = this.getModuleSize(frame);
-    const offset = Math.floor((qrious.size - (moduleSize * frame.width)) / 2);
+    var moduleSize = this.getModuleSize(frame);
+    var offset = Math.floor((qrious.size - (moduleSize * frame.width)) / 2);
 
     return Math.max(0, offset);
-  }
+  },
 
   /**
    * Renders a QR code on the underlying element based on the <code>frame</code> provided.
@@ -151,14 +154,15 @@ class Renderer {
    * @param {Frame} frame - the {@link Frame} to be rendered
    * @return {void}
    * @public
+   * @memberof Renderer#
    */
-  render(frame) {
+  render: function(frame) {
     if (this.enabled) {
       this.resize();
       this.reset();
       this.draw(frame);
     }
-  }
+  },
 
   /**
    * Resets the underlying element, effectively clearing any previously rendered QR code.
@@ -167,10 +171,10 @@ class Renderer {
    *
    * @return {void}
    * @protected
+   * @abstract
+   * @memberof Renderer#
    */
-  reset() {
-    Utilities.throwUnimplemented('Renderer', 'reset');
-  }
+  reset: function() {},
 
   /**
    * Ensures that the size of the underlying element matches that defined on the associated {@link QRious} instance.
@@ -179,11 +183,11 @@ class Renderer {
    *
    * @return {void}
    * @protected
+   * @abstract
+   * @memberof Renderer#
    */
-  resize() {
-    Utilities.throwUnimplemented('Renderer', 'resize');
-  }
+  resize: function() {}
 
-}
+});
 
-export default Renderer;
+module.exports = Renderer;
diff --git a/src/runtime/browser.js b/src/runtime/browser.js
index 05d9070..a086190 100644
--- a/src/runtime/browser.js
+++ b/src/runtime/browser.js
@@ -17,9 +17,11 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import BrowserElementService from '../service/element/BrowserElementService';
-import QRious from '../QRious';
+'use strict';
+
+var BrowserElementService = require('../service/element/BrowserElementService');
+var QRious = require('../QRious');
 
 QRious.use(new BrowserElementService());
 
-export default QRious;
+module.exports = QRious;
diff --git a/src/runtime/node.js b/src/runtime/node.js
index 0372c6a..6a6a807 100644
--- a/src/runtime/node.js
+++ b/src/runtime/node.js
@@ -17,9 +17,11 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import NodeElementService from '../service/element/NodeElementService';
-import QRious from '../QRious';
+'use strict';
+
+var NodeElementService = require('../service/element/NodeElementService');
+var QRious = require('../QRious');
 
 QRious.use(new NodeElementService());
 
-export default QRious;
+module.exports = QRious;
diff --git a/src/service/Service.js b/src/service/Service.js
index e4fd77d..cacfbac 100644
--- a/src/service/Service.js
+++ b/src/service/Service.js
@@ -17,25 +17,29 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import Utilities from '../util/Utilities';
+'use strict';
+
+var Nevis = require('nevis/lite');
 
 /**
  * Defines a service contract that must be met by all implementations.
  *
  * @public
+ * @class
+ * @extends Nevis
  */
-class Service {
+var Service = Nevis.extend({
 
   /**
    * Returns the name of this {@link Service}.
    *
    * @return {string} The service name.
    * @public
+   * @abstract
+   * @memberof Service#
    */
-  getName() {
-    Utilities.throwUnimplemented('Service', 'getName');
-  }
+  getName: function() {}
 
-}
+});
 
-export default Service;
+module.exports = Service;
diff --git a/src/service/ServiceManager.js b/src/service/ServiceManager.js
index 9d775a3..64844da 100644
--- a/src/service/ServiceManager.js
+++ b/src/service/ServiceManager.js
@@ -17,21 +17,20 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+'use strict';
+
+var Nevis = require('nevis/lite');
+
 /**
  * A basic manager for {@link Service} implementations that are mapped to simple names.
  *
  * @public
+ * @class
+ * @extends Nevis
  */
-class ServiceManager {
-
-  /**
-   * Creates a new instance of {@link ServiceManager}.
-   *
-   * @public
-   */
-  constructor() {
-    this._services = {};
-  }
+var ServiceManager = Nevis.extend(function() {
+  this._services = {};
+}, {
 
   /**
    * Returns the {@link Service} being managed with the specified <code>name</code>.
@@ -40,15 +39,16 @@ class ServiceManager {
    * @return {Service} The {@link Service} is being managed with <code>name</code>.
    * @throws {Error} If no {@link Service} is being managed with <code>name</code>.
    * @public
+   * @memberof ServiceManager#
    */
-  getService(name) {
-    const service = this._services[name];
+  getService: function(name) {
+    var service = this._services[name];
     if (!service) {
-      throw new Error(`Service is not being managed with name: ${name}`);
+      throw new Error('Service is not being managed with name: ' + name);
     }
 
     return service;
-  }
+  },
 
   /**
    * Sets the {@link Service} implementation to be managed for the specified <code>name</code> to the
@@ -59,10 +59,11 @@ class ServiceManager {
    * @return {void}
    * @throws {Error} If a {@link Service} is already being managed with the same <code>name</code>.
    * @public
+   * @memberof ServiceManager#
    */
-  setService(name, service) {
+  setService: function(name, service) {
     if (this._services[name]) {
-      throw new Error(`Service is already managed with name: ${name}`);
+      throw new Error('Service is already managed with name: ' + name);
     }
 
     if (service) {
@@ -70,6 +71,6 @@ class ServiceManager {
     }
   }
 
-}
+});
 
-export default ServiceManager;
+module.exports = ServiceManager;
diff --git a/src/service/element/BrowserElementService.js b/src/service/element/BrowserElementService.js
index ed006ea..7aa41be 100644
--- a/src/service/element/BrowserElementService.js
+++ b/src/service/element/BrowserElementService.js
@@ -17,44 +17,47 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import ElementService from './ElementService';
+'use strict';
+
+var ElementService = require('./ElementService');
 
 /**
  * An implementation of {@link ElementService} intended for use within a browser environment.
  *
  * @public
+ * @class
  * @extends ElementService
  */
-class BrowserElementService extends ElementService {
+var BrowserElementService = ElementService.extend({
 
   /**
    * @override
    */
-  createCanvas() {
+  createCanvas: function() {
     return document.createElement('canvas');
-  }
+  },
 
   /**
    * @override
    */
-  createImage() {
+  createImage: function() {
     return document.createElement('img');
-  }
+  },
 
   /**
    * @override
    */
-  isCanvas(element) {
+  isCanvas: function(element) {
     return element instanceof HTMLCanvasElement;
-  }
+  },
 
   /**
    * @override
    */
-  isImage(element) {
+  isImage: function(element) {
     return element instanceof HTMLImageElement;
   }
 
-}
+});
 
-export default BrowserElementService;
+module.exports = BrowserElementService;
diff --git a/src/service/element/ElementService.js b/src/service/element/ElementService.js
index a071ed6..cf731be 100644
--- a/src/service/element/ElementService.js
+++ b/src/service/element/ElementService.js
@@ -17,66 +17,76 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import Service from '../Service';
-import Utilities from '../../util/Utilities';
+'use strict';
+
+var Service = require('../Service');
 
 /**
  * A service for working with elements.
  *
  * @public
+ * @class
  * @extends Service
  */
-class ElementService extends Service {
+var ElementService = Service.extend({
 
   /**
    * Creates an instance of a canvas element.
    *
+   * Implementations of {@link ElementService} <b>must</b> override this method with their own specific logic.
+   *
    * @return {*} The newly created canvas element.
    * @public
+   * @abstract
+   * @memberof ElementService#
    */
-  createCanvas() {
-    Utilities.throwUnimplemented('ElementService', 'createCanvas');
-  }
+  createCanvas: function() {},
 
   /**
    * Creates an instance of a image element.
    *
+   * Implementations of {@link ElementService} <b>must</b> override this method with their own specific logic.
+   *
    * @return {*} The newly created image element.
    * @public
+   * @abstract
+   * @memberof ElementService#
    */
-  createImage() {
-    Utilities.throwUnimplemented('ElementService', 'createImage');
-  }
+  createImage: function() {},
 
   /**
    * @override
    */
-  getName() {
+  getName: function() {
     return 'element';
-  }
+  },
 
   /**
    * Returns whether the specified <code>element</code> is a canvas.
    *
+   * Implementations of {@link ElementService} <b>must</b> override this method with their own specific logic.
+   *
    * @param {*} element - the element to be checked
    * @return {boolean} <code>true</code> if <code>element</code> is a canvas; otherwise <code>false</code>.
    * @public
+   * @abstract
+   * @memberof ElementService#
    */
-  isCanvas(element) {
-    Utilities.throwUnimplemented('ElementService', 'isCanvas');
-  }
+  isCanvas: function(element) {},
 
   /**
    * Returns whether the specified <code>element</code> is an image.
    *
+   * Implementations of {@link ElementService} <b>must</b> override this method with their own specific logic.
+   *
    * @param {*} element - the element to be checked
    * @return {boolean} <code>true</code> if <code>element</code> is an image; otherwise <code>false</code>.
    * @public
+   * @abstract
+   * @memberof ElementService#
    */
-  isImage(element) {
-    Utilities.throwUnimplemented('ElementService', 'isImage');
-  }
+  isImage: function(element) {}
 
-}
+});
 
-export default ElementService;
+module.exports = ElementService;
diff --git a/src/service/element/NodeElementService.js b/src/service/element/NodeElementService.js
index 39ead2e..7413d6e 100644
--- a/src/service/element/NodeElementService.js
+++ b/src/service/element/NodeElementService.js
@@ -17,54 +17,50 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import Canvas, { Image } from 'canvas';
+'use strict';
 
-import ElementService from './ElementService';
+var Canvas = require('canvas');
+
+var ElementService = require('./ElementService');
 
 /**
  * An implementation of {@link ElementService} intended for use within a Node.js environment but is only supported when
  * the <code>canvas</code> module has also been depended on.
  *
  * @public
+ * @class
  * @extends ElementService
  */
-class NodeElementService extends ElementService {
+var NodeElementService = ElementService.extend({
 
   /**
    * @override
    */
-  static isSupported() {
-    return Canvas != null;
-  }
-
-  /**
-   * @override
-   */
-  createCanvas() {
+  createCanvas: function() {
     return new Canvas();
-  }
+  },
 
   /**
    * @override
    */
-  createImage() {
-    return new Image();
-  }
+  createImage: function() {
+    return new Canvas.Image();
+  },
 
   /**
    * @override
    */
-  isCanvas(element) {
+  isCanvas: function(element) {
     return element instanceof Canvas;
-  }
+  },
 
   /**
    * @override
    */
-  isImage(element) {
-    return element instanceof Image;
+  isImage: function(element) {
+    return element instanceof Canvas.Image;
   }
 
-}
+});
 
-export default NodeElementService;
+module.exports = NodeElementService;
diff --git a/src/util/Utilities.js b/src/util/Utilities.js
index a755226..e809b6a 100644
--- a/src/util/Utilities.js
+++ b/src/util/Utilities.js
@@ -17,12 +17,18 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+'use strict';
+
+var Nevis = require('nevis/lite');
+
 /**
  * Contains utility methods that are useful throughout the library.
  *
  * @public
+ * @class
+ * @extends Nevis
  */
-class Utilities {
+var Utilities = Nevis.extend(null, {
 
   /**
    * Returns the absolute value of a given number.
@@ -35,10 +41,11 @@ class Utilities {
    * <code>null</code>.
    * @public
    * @static
+   * @memberof Utilities
    */
-  static abs(value) {
+  abs: function(value) {
     return value != null ? Math.abs(value) : null;
-  }
+  },
 
   /**
    * Returns whether the specified <code>object</code> has a property with the specified <code>name</code> as an own
@@ -49,24 +56,21 @@ class Utilities {
    * @return {boolean} <code>true</code> if <code>object</code> has an own property with <code>name</code>.
    * @public
    * @static
+   * @memberof Utilities
    */
-  static hasOwn(object, name) {
+  hasOwn: function(object, name) {
     return Object.prototype.hasOwnProperty.call(object, name);
-  }
+  },
 
   /**
-   * Throws an error indicating that the a given method on a specific class has not been implemented.
+   * A non-operation method that does absolutely nothing.
    *
-   * @param {string} className - the name of the class on which the method has not been implemented
-   * @param {string} methodName - the name of the method which has not been implemented
    * @return {void}
-   * @throws {Error} The error describing the class method which has not been implemented.
    * @public
    * @static
+   * @memberof Utilities
    */
-  static throwUnimplemented(className, methodName) {
-    throw new Error(`"${methodName}" method must be implemented on the ${className} class`);
-  }
+  noop: function() {},
 
   /**
    * Transforms the specified <code>string</code> to upper case while remaining null-safe.
@@ -75,11 +79,12 @@ class Utilities {
    * @return {string} <code>string</code> transformed to upper case if <code>string</code> is not <code>null</code>.
    * @public
    * @static
+   * @memberof Utilities
    */
-  static toUpperCase(string) {
+  toUpperCase: function(string) {
     return string != null ? string.toUpperCase() : null;
   }
 
-}
+});
 
-export default Utilities;
+module.exports = Utilities;