chore(upstream): update to upstream

.codeclimate.yml

@@ -1,18 +1,16 @@
 engines:
-  eslint:
-    enabled: true
-  duplication:
-    enabled: true
-    config:
-      languages:
-      - javascript:
+    eslint:
+        enabled: true
+    duplication:
+        enabled: true
+        config:
+            languages:
+                - javascript:
 exclude_paths:
-- "docs/"
-- "dist/"
-- "build/"
-- "test/"
+    - 'docs/'
+    - 'dist/'
+    - 'build/'
+    - 'test/'
 ratings:
-   paths:
-   - "src/**/*"
-
-
+    paths:
+        - 'src/**/*'

.dependabot/config.yml

@@ -0,0 +1,17 @@
+version: 1
+
+update_configs:
+    # Keep package.json (& lockfiles) up to date
+    # batching pull requests weekly
+    - package_manager: 'javascript'
+      directory: '/'
+      update_schedule: 'weekly'
+      automerged_updates:
+          - match:
+                # Supported dependency types:
+                # - "development"
+                # - "production"
+                # - "all"
+                dependency_type: 'all'
+                update_type: 'semver:minor'
+      version_requirement_updates: 'increase_versions'

.eslintrc.json

@@ -16,11 +16,17 @@
         }
     },
 
-    "extends": "eslint:recommended",
+    "extends": [
+        // Uses the recommended rules for Typescript
+        "plugin:@typescript-eslint/recommended",
+        // Disable rules that conflict with prettier
+        // See https://prettier.io/docs/en/integrating-with-linters.html
+        "plugin:prettier/recommended"
+    ],
     // See http://eslint.org/docs/rules/
 
     "rules": {
-        // Note: 
+        // Note:
         // "off" or 0 - turn the rule off
         // "warn" or 1 - turn the rule on as a warning (doesn’t affect exit code)
         // "error" or 2 - turn the rule on as an error (exit code is 1 when triggered)
@@ -35,38 +41,37 @@
 
         "array-bracket-spacing": ["error", "never"],
         "block-spacing": ["error", "always"],
-        "brace-style": [1, "1tbs", { "allowSingleLine": true }],
+        "brace-style": ["warn", "1tbs", { "allowSingleLine": true }],
         "prefer-const": "warn",
 
         "valid-typeof": "error",
         "consistent-return": "error",
-        "curly": ["warn","multi-line"],
-        "eqeqeq": ["error","smart"],
+        "curly": ["warn", "multi-line"],
+        "eqeqeq": ["error", "smart"],
         "guard-for-in": "warn",
         // "max-len": "warn",
-        "new-cap": 1,
+        "new-cap": "warn",
         "no-bitwise": "off",
         "no-console": "off",
-        "no-else-return": 1,
-        "no-eval": 2,
-        "no-fallthrough": 1,
-        "no-invalid-this": 1,
-        "no-lone-blocks": 1,
-        "no-return-assign": [1,"always"],
-        "no-self-compare": 2,
-        "no-sequences": 1,
-        "no-unneeded-ternary": 1,
-        "no-unused-expressions": 1,
-        "no-useless-call": 1,
+        "no-else-return": "warn",
+        "no-eval": "error",
+        "no-fallthrough": "error",
+        "no-invalid-this": "warn",
+        "no-lone-blocks": "warn",
+        "no-return-assign": ["warn", "always"],
+        "no-self-compare": "error",
+        "no-sequences": "warn",
+        "no-unneeded-ternary": "warn",
+        "no-unused-expressions": "warn",
+        "no-useless-call": "warn",
         "no-var": "error",
-        "no-with": 2,
-        // "vars-on-top": 1,
-        "no-delete-var": 1,
-        "no-mixed-spaces-and-tabs": [1,"smart-tabs"],
+        "no-with": "error",
+        // "vars-on-top": "warn",
+        "no-delete-var": "warn",
+        "no-mixed-spaces-and-tabs": ["warn", "smart-tabs"],
         "require-jsdoc": "off",
-        "space-infix-ops": ["error", {"int32Hint": false}]
+        "space-infix-ops": ["error", { "int32Hint": false }],
 
-
-        // "no-trailing-spaces": [1,{"skipBlankLines":true}]
+        "no-trailing-spaces": [1, { "skipBlankLines": true }]
     }
-}
+}

.gitattributes

@@ -1 +1,107 @@
-* text=auto
+#
+# Normalize text files line ending to LF in the repository
+#
+* text=auto
+
+#
+# Text files
+#
+
+*.css      text
+*.htm      text diff=html
+*.html     text diff=html
+*.js       text
+*.json     text
+*.map      text -diff
+# Markdown
+*.md       text             
+*.sass     text diff=css
+*.scss     text diff=css
+# shell script, always LF
+*.sh       text eol=lf      
+*.svg      text
+*.ts       text
+*.yaml     text
+*.yml      text
+
+#
+# Text files without extension
+#
+
+AUTHORS*          text
+CHANGELOG*        text
+CHANGES           text
+CONTRIBUTING*     text
+COPYING           text
+copyright         text
+*COPYRIGHT*       text
+INSTALL*          text
+license           text
+LICENSE*          text
+NEWS              text
+readme            text
+*README*          text
+TODO              text
+
+#
+# Configuration files
+#
+
+*.bowerrc         text
+*.cnf             text
+*.conf            text
+*.config          text
+.babelrc          text
+.browserslistrc   text
+.editorconfig     text
+.env              text
+.gitattributes    text
+.gitconfig        text
+.htaccess         text
+*.lock            text -diff
+package-lock.json text -diff
+*.npmignore       text
+*.yaml            text
+*.yml             text
+browserslist      text
+Makefile          text
+makefile          text
+
+
+#
+# Configuration files without extension
+#
+
+.csslintrc        text
+.editorconfig     text
+.eslintrc         text
+.gitignore        text
+.gitmodules       text
+.htmlhintrc       text
+.prettierignore   text
+.jscsrc           text
+.jshintrc         text
+.jshintignore     text
+.stylelintrc      text
+
+
+#
+# Graphics
+#
+
+*.gif             binary
+*.ico             binary
+*.jpg             binary
+*.jpeg            binary
+*.png             binary
+
+#
+# Exclude files from exporting
+# (used by the "download ZIP archive" option, for example)
+#
+
+.gitattributes       export-ignore
+.gitignore           export-ignore
+.gitmodules          export-ignore
+.prettierignore      export-ignore
+.package-lock.json   export-ignore

.github/ISSUE_TEMPLATE.md

@@ -1,35 +1,40 @@
 ## Prerequisites
 
-* [ ] New issue
-[Did you check the [issue tracker](https://github.com/arnog/mathlive/issues) to see if this issue has already been reported? If it has, you can +1 it to indicate your interest and be notified when it gets resolved.]
+-   [ ] New issue
+        [Did you check the [issue tracker](https://github.com/arnog/mathlive/issues) to see if this issue has already been reported? If it has, you can +1 it to indicate your interest and be notified when it gets resolved.]
 
 [For more information, see the `CONTRIBUTING` guide.]
 
 ## Description
+
 [Description of the bug or feature.]
 
 [Include screenshots or code fragments if applicable]
 
 ### Actual behavior
+
 [What actually happened]
 
-[If there are any error messages, include the exact text shown, 
+[If there are any error messages, include the exact text shown,
 or upload a screenshot. Some error messages may displayed in the Javascript console.]
 
-### Expected Behavior 
+### Expected Behavior
+
 [What you expected to happen]
 
 [Is this a regression: did it use to work in a previous version?]
 
 ## Steps to Reproduce
+
 [Provide steps that are specific and repeatable, if possible]
+
 1. [First Step]
 2. [Second Step]
 3. [and so on...]
 
-
 ### Environment
-**Operating System** 
+
+**Operating System**
 [macOS, Windows, iOS. Include the version if possible]
 
 **Browser** [Safari, Chrome, IE, Firefox, etc...]

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,11 +1,17 @@
 ---
+
 name: Bug report
 about: Create a report to help us improve
 title: ''
 labels: ''
 assignees: ''
+---**Funding**
 
----
+> If you're using MathLive consider donating to project development via [Patreon](https://patreon.com/arnog) (recurring donation) or [PayPal](https://www.paypal.me/arnogourdol) (one time donation).
+
+> Issues submitted by funding partners are given higher priority.
+
+> We welcome both individual and corporate sponsors. In addition to Patreon and PayPal, we can also accept short-term development contracts for specific features or maintenance of the project.
 
 **Funding**
 > If you're using MathLive consider donating to project development via [Patreon](https://patreon.com/arnog) (recurring donation) or [PayPal](https://www.paypal.me/arnogourdol) (one time donation). 
@@ -20,6 +26,7 @@ A clear and concise description of what the bug is.
 
 **To Reproduce**
 [Steps to reproduce the behavior, for example:]
+
 1. [Go to '...']
 2. [Click on '....']
 3. [Scroll down to '....']
@@ -36,9 +43,9 @@ A clear and concise description of what the bug is.
 **Source Code**
 [If applicable, provide a code sample demonstrating the issue. Use JSFiddle, CodePen or similar to provide a relevant snippet.]
 
-
 **Environment**
-- Device: [pc, mac, iPhone, Android...]
-- OS: [e.g. iOS]
- - Browser [e.g. chrome, safari]
- - Version [e.g. 22]
+
+-   Device: [pc, mac, iPhone, Android...]
+-   OS: [e.g. iOS]
+-   Browser [e.g. chrome, safari]
+-   Version [e.g. 22]

.npmignore

@@ -1,6 +1,3 @@
 # An empty .npmignore file is necessary for the .gitignore file to be ignored
 # Without it, the /dist directory (which is in .gitignore) would not be 
-# taken into account by npm.
-
-._*
-.DS_Store
+# taken into account by npm

.travis.yml

@@ -1,22 +1,37 @@
 language: node_js
-node_js:
-- lts/*
-before_install:
-- '[[ $(node -v) =~ ^v9.*$ ]] || npm install -g npm@latest' # skipped when using node 9
-- npm install -g greenkeeper-lockfile
-install:
-- npm install
-before_script: greenkeeper-lockfile-update
-after_script: greenkeeper-lockfile-upload
+node_js: [lts/*]
+before_install: [npm install -g npm@latest]
+install: [npm ci]
 cache:
-  directories:
-  - node_modules
-  - "$HOME/.npm"
+    directories:
+        - node_modules
+        - '$HOME/.npm'
 branches:
-  only:
-  - master
-  - release
-  - /^greenkeeper/.*$/
+    only:
+        - master
+        - /^v\d+\.\d+(\.\d+)?(-\S*)?$/ # tagged with version
+        # - release
+before_deploy:
+    - npm run dist
+    - npm run deploy-ci
+deploy:
+    provider: npm
+    on:
+        tags: true
+    email: '$NPM_EMAIL'
+    api_token: '$NPM_API_TOKEN'
+    access: public
+    # dry_run: true
+    edge: true
+script:
+    - npm run lint
+    - npm run test
 notifications:
-  slack:
-    secure: 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
+    slack:
+        secure: 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
+    webhooks:
+        urls:
+            - '$GITTER_URL'
+        on_success: change # options: [always|never|change] default: always
+        on_failure: always # options: [always|never|change] default: always
+        on_start: never # options: [always|never|change] default: always