Add property to check if instance has been destroyed.

README.md

@@ -221,6 +221,17 @@ if(instance.isComplete) {
 }
 ```
 
+### Check If Instance Has Been Destroyed
+You can also, at any time, check if the instance has been destroyed using the `destroy()` method.
+
+```js
+var instance = new TypeIt('#element', { /* options... */ });
+
+if(instance.hasBeenDestroyed) {
+    //-- Do something.
+}
+```
+
 ## Options
 You can modify the options for the plugin by passing in JSON upon instantiation. It'll look something like this:
 

dist/typeit.es.js

@@ -2,7 +2,7 @@
  *
  *   typeit - The most versatile animated typing utility on the planet.
  *   Author: Alex MacArthur <[email protected]> (https://macarthur.me)
- *   Version: v5.6.1
+ *   Version: v5.7.0
  *   URL: https://typeitjs.com
  *   License: GPL-2.0
  *
@@ -343,13 +343,15 @@ var Instance = function () {
 
       var that = this;
 
-      window.addEventListener("scroll", function checkForStart(event) {
+      function checkForStart(event) {
         if (isVisible(that.element) && !that.hasStarted) {
           that.hasStarted = true;
           that.next();
           event.currentTarget.removeEventListener(event.type, checkForStart);
         }
-      });
+      }
+
+      window.addEventListener("scroll", checkForStart);
     }
   }, {
     key: "cursor",
@@ -682,6 +684,7 @@ var TypeIt = function () {
     this.instances = [];
     this.elements = [];
     this.args = args;
+    this.hasBeenDestroyed = false;
 
     if ((typeof element === "undefined" ? "undefined" : _typeof(element)) === "object") {
       //-- There's only one!
@@ -809,6 +812,7 @@ var TypeIt = function () {
         }
       });
 
+      this.hasBeenDestroyed = true;
       this.instances = [];
     }
   }, {

dist/typeit.js

@@ -2,7 +2,7 @@
  *
  *   typeit - The most versatile animated typing utility on the planet.
  *   Author: Alex MacArthur <[email protected]> (https://macarthur.me)
- *   Version: v5.6.1
+ *   Version: v5.7.0
  *   URL: https://typeitjs.com
  *   License: GPL-2.0
  *
@@ -349,13 +349,15 @@
 
         var that = this;
 
-        window.addEventListener("scroll", function checkForStart(event) {
+        function checkForStart(event) {
           if (isVisible(that.element) && !that.hasStarted) {
             that.hasStarted = true;
             that.next();
             event.currentTarget.removeEventListener(event.type, checkForStart);
           }
-        });
+        }
+
+        window.addEventListener("scroll", checkForStart);
       }
     }, {
       key: "cursor",
@@ -688,6 +690,7 @@
       this.instances = [];
       this.elements = [];
       this.args = args;
+      this.hasBeenDestroyed = false;
 
       if ((typeof element === "undefined" ? "undefined" : _typeof(element)) === "object") {
         //-- There's only one!
@@ -815,6 +818,7 @@
           }
         });
 
+        this.hasBeenDestroyed = true;
         this.instances = [];
       }
     }, {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "typeit",
-  "version": "5.6.1",
+  "version": "5.7.0",
   "description": "The most versatile animated typing utility on the planet.",
   "author": "Alex MacArthur <[email protected]> (https://macarthur.me)",
   "license": "GPL-2.0",

src/instance.js

@@ -221,13 +221,15 @@ export default class Instance {
 
     let that = this;
 
-    window.addEventListener("scroll", function checkForStart(event) {
+    function checkForStart(event) {
       if (isVisible(that.element) && !that.hasStarted) {
         that.hasStarted = true;
         that.next();
         event.currentTarget.removeEventListener(event.type, checkForStart);
       }
-    });
+    }
+
+    window.addEventListener("scroll", checkForStart);
   }
 
   cursor() {

src/typeit.js

@@ -6,6 +6,7 @@ export default class TypeIt {
     this.instances = [];
     this.elements = [];
     this.args = args;
+    this.hasBeenDestroyed = false;
 
     if (typeof element === "object") {
       //-- There's only one!
@@ -122,6 +123,7 @@ export default class TypeIt {
       }
     });
 
+    this.hasBeenDestroyed = true;
     this.instances = [];
   }
 

tests/base.test.js

@@ -42,7 +42,7 @@ test("Returns an object with base properties.", () => {
   const instance = new TypeIt("#element", {});
 
   expect(Object.keys(instance).sort()).toEqual(
-    ["elements", "id", "instances", "args"].sort()
+    ["elements", "id", "instances", "args", "hasBeenDestroyed"].sort()
   );
 });
 
@@ -59,9 +59,12 @@ test("Destroys instances successfully.", () => {
 
   jest.runAllTimers();
 
+  expect(instance.hasBeenDestroyed).toBe(false);
+
   instance.destroy();
 
   expect(instance.instances).toHaveLength(0);
+  expect(instance.hasBeenDestroyed).toBe(true);
   expect(document.body.querySelector(".ti-cursor")).toEqual(null);
 });
 

yarn.lock

@@ -244,8 +244,8 @@ aws-sign2@~0.7.0:
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.7.0.tgz#b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8"
 
 aws4@^1.2.1, aws4@^1.6.0:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.6.0.tgz#83ef5ca860b2b32e4a0deedee8c771b9db57471e"
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.7.0.tgz#d4d0e9b9dbfca77bf08eeb0a8a471550fe39e289"
 
 babel-code-frame@^6.26.0:
   version "6.26.0"
@@ -426,12 +426,13 @@ babel-plugin-external-helpers@^6.22.0:
     babel-runtime "^6.22.0"
 
 babel-plugin-istanbul@^4.0.0, babel-plugin-istanbul@^4.1.5:
-  version "4.1.5"
-  resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.5.tgz#6760cdd977f411d3e175bb064f2bc327d99b2b6e"
+  version "4.1.6"
+  resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz#36c59b2192efce81c5b378321b74175add1c9a45"
   dependencies:
+    babel-plugin-syntax-object-rest-spread "^6.13.0"
     find-up "^2.1.0"
-    istanbul-lib-instrument "^1.7.5"
-    test-exclude "^4.1.1"
+    istanbul-lib-instrument "^1.10.1"
+    test-exclude "^4.2.1"
 
 babel-plugin-jest-hoist@^21.2.0:
   version "21.2.0"
@@ -836,16 +837,14 @@ braces@^1.8.2:
     repeat-element "^1.1.2"
 
 braces@^2.3.1:
-  version "2.3.1"
-  resolved "https://registry.yarnpkg.com/braces/-/braces-2.3.1.tgz#7086c913b4e5a08dbe37ac0ee6a2500c4ba691bb"
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/braces/-/braces-2.3.2.tgz#5979fd3f14cd531565e5fa2df1abfff1dfaee729"
   dependencies:
     arr-flatten "^1.1.0"
     array-unique "^0.3.2"
-    define-property "^1.0.0"
     extend-shallow "^2.0.1"
     fill-range "^4.0.0"
     isobject "^3.0.1"
-    kind-of "^6.0.2"
     repeat-element "^1.1.2"
     snapdragon "^0.8.1"
     snapdragon-node "^2.0.1"
@@ -910,8 +909,8 @@ camelcase@^4.1.0:
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
 
 caniuse-lite@^1.0.30000792:
-  version "1.0.30000821"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000821.tgz#0f3223f1e048ed96451c56ca6cf197058c42cb93"
+  version "1.0.30000827"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000827.tgz#2dad2354e4810c3c9bb1cfc57f655c270c25fa52"
 
 caseless@~0.12.0:
   version "0.12.0"
@@ -1086,8 +1085,8 @@ copy-descriptor@^0.1.0:
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
 
 core-js@^2.4.0, core-js@^2.5.0:
-  version "2.5.4"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.4.tgz#f2c8bf181f2a80b92f360121429ce63a2f0aeae0"
+  version "2.5.5"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.5.tgz#b14dde936c640c0579a6b50cabcc132dd6127e3b"
 
 [email protected], core-util-is@~1.0.0:
   version "1.0.2"
@@ -1262,8 +1261,8 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
 
 electron-to-chromium@^1.3.30:
-  version "1.3.41"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.41.tgz#7e33643e00cd85edfd17e04194f6d00e73737235"
+  version "1.3.42"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.42.tgz#95c33bf01d0cc405556aec899fe61fd4d76ea0f9"
 
 encodeurl@~1.0.2:
   version "1.0.2"
@@ -2162,7 +2161,7 @@ istanbul-lib-hook@^1.2.0:
   dependencies:
     append-transform "^0.4.0"
 
-istanbul-lib-instrument@^1.10.1, istanbul-lib-instrument@^1.4.2, istanbul-lib-instrument@^1.7.5, istanbul-lib-instrument@^1.8.0:
+istanbul-lib-instrument@^1.10.1, istanbul-lib-instrument@^1.4.2, istanbul-lib-instrument@^1.8.0:
   version "1.10.1"
   resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.10.1.tgz#724b4b6caceba8692d3f1f9d0727e279c401af7b"
   dependencies:
@@ -2831,8 +2830,8 @@ lcid@^1.0.0:
     invert-kv "^1.0.0"
 
 left-pad@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/left-pad/-/left-pad-1.2.0.tgz#d30a73c6b8201d8f7d8e7956ba9616087a68e0ee"
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/left-pad/-/left-pad-1.3.0.tgz#5b8a3a7765dfe001261dde915589e782f8c94d1e"
 
 leven@^2.1.0:
   version "2.1.0"
@@ -3512,15 +3511,15 @@ read-pkg@^2.0.0:
     path-type "^2.0.0"
 
 readable-stream@^2.0.1, readable-stream@^2.0.6, readable-stream@^2.1.4:
-  version "2.3.5"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.5.tgz#b4f85003a938cbb6ecbce2a124fb1012bd1a838d"
+  version "2.3.6"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.3"
     isarray "~1.0.0"
     process-nextick-args "~2.0.0"
     safe-buffer "~5.1.1"
-    string_decoder "~1.0.3"
+    string_decoder "~1.1.1"
     util-deprecate "~1.0.1"
 
 realpath-native@^1.0.0:
@@ -4043,9 +4042,9 @@ string-width@^2.0.0, string-width@^2.1.1:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^4.0.0"
 
-string_decoder@~1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.0.3.tgz#0fc67d7c141825de94282dd536bec6b9bce860ab"
+string_decoder@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
   dependencies:
     safe-buffer "~5.1.0"
 
@@ -4134,7 +4133,7 @@ tar@^2.2.1:
     fstream "^1.0.2"
     inherits "2"
 
-test-exclude@^4.1.1:
+test-exclude@^4.2.1:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-4.2.1.tgz#dfa222f03480bca69207ca728b37d74b45f724fa"
   dependencies: