Merge branch 'develop' into a11y-improvements

# Conflicts:
#	demo/dist/demo.css
#	demo/dist/demo.js.map
#	demo/dist/demo.min.js
#	demo/dist/demo.min.js.map
#	dist/plyr.css
#	dist/plyr.js.map
#	dist/plyr.min.js
#	dist/plyr.min.js.map
#	dist/plyr.polyfilled.js.map
#	dist/plyr.polyfilled.min.js
#	dist/plyr.polyfilled.min.js.map
#	package.json
#	yarn.lock

.github/issue_template.md

@@ -1,6 +1,4 @@
-<!---
+*Please _use this issue template_ as it makes replicating and fixing the issue easier for us. If you decide not to use it or you are vague your issue may be close instantly.*
-Please use this issue template as it makes replicating and fixing the issue easier!
---->
 
 ### Expected behaviour
 

.github/pull_request_template.md

@@ -4,5 +4,5 @@
 
 ### Checklist
 - [ ] Use `develop` as the base branch
-- [ ] Exclude the gulp build from the PR
+- [ ] Exclude the gulp build (`/dist` changes) from the PR
 - [ ] Test on [supported browsers](https://github.com/sampotts/plyr#browser-support)

.gitignore

@@ -1,6 +1,6 @@
 node_modules
 .DS_Store
-aws.json
+credentials.json
 *.mp4
 !dist/blank.mp4
 index-*.html

.npmignore

@@ -2,7 +2,7 @@ demo
 .github
 .vscode
 *.code-workspace
-aws.json
+credentials.json
 bundles.json
 yarn.lock
 package-lock.json

.stickler.yml

@@ -0,0 +1,5 @@
+linters:
+  eslint:
+files:
+  ignore:
+    - 'node_modules/*'

.travis.yml

@@ -1,7 +1,8 @@
 language: node_js
-node_js:
+node_js: lts/*
-  - 'lts/*'
 
 script:
+- bash .travis/prevent-base-master.sh
+- bash .travis/omit-dist.sh
 - npm run lint
 - npm run build

.travis/omit-dist.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+if [ $TRAVIS_BRANCH == "develop" ] && $(git diff --name-only $TRAVIS_COMMIT_RANGE | grep -qE "^(demo/)?dist/"); then
+	echo 'Build output ("dist" and "demo/dist") not permitted in develop' >&2
+	exit 1
+fi

.travis/prevent-base-master.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+if [ "$TRAVIS_PULL_REQUEST" != "false" ] && [ $TRAVIS_BRANCH == "master" ] && $(git diff --name-only $TRAVIS_COMMIT_RANGE | grep -q "^src/"); then
+	echo 'The base branch for pull requests must be "develop"' >&2
+	exit 1
+fi

changelog.md

@@ -1,12 +1,37 @@
-# v3.3.16
+# v3.3.22
+
+-   Travis & CI improvements (thanks @friday)
+-   Add navigator.languages fallback for iOS 9 (thanks @friday)
+
+# v3.3.21
 
 -   Hide currentTime and progress for streams (thanks @mimse)
 -   Fixed condition check (thanks @mimse)
 -   Handle undefined this.player.elements.buttons.play (thanks @klassicd)
 -   Fix captions.toggle() if there is no toggle button (thanks @friday)
--   Minor increaseVolume and decreaseVolume changes (thanks @friday)
+
--   Fix YouTube muting after seeking with the progress slider (thanks @friday)
+# v3.3.20
--   Respect preload="none" when setting quality if the media hasn't been loaded some other way (thanks @friday)
+
+-   Fix for bug where controls wouldn't show on hover over YouTube video
+
+# v3.3.19
+
+-   Remove `pointer-events: none` on embed `<iframe>` to comply with YouTube ToS
+
+# 3.3.18
+
+-   Ads are now only supported on HTML5 videos as it violates terms of service for YouTube and Vimeo 😢
+-   Fix i18n defaults path on README (thanks @meyt!)
+-   Minor increaseVolume and decreaseVolume changes (thanks @friday!)
+
+# v3.3.17
+
+-   Fix YouTube muting after seeking with the progress slider (thanks @friday!)
+-   Respect preload="none" when setting quality if the media hasn't been loaded some other way (thanks @friday!)
+
+# v3.3.16
+
+-   Fixed regression relating the play button status (fixes #1048)
 
 # v3.3.15
 
@@ -30,8 +55,8 @@ Thanks @friday for the following:
 -   Suggestion: Remove array newline rule
 -   Contributions improvements
 
--   Fix html5.cancelRequest not remove source tag correctly (thanks @a60814billy)
+-   fix: html5.cancelRequest not remove source tag correctly (thanks @a60814billy)
--   Remove event listeners in destroy() (thanks @cky917)
+-   remove event listeners in destroy() (thanks @cky917)
 -   Fix markdown in README (thanks @azu)
 -   Some parts of the accessibility improvements outlined in #905 (more on the way...)
 -   Fix for bug where volume slider didn't always show

dist/plyr.js

@@ -3015,7 +3015,7 @@ typeof navigator === "object" && (function (global, factory) {
             // * active:    The state preferred by user settings or config
             // * toggled:   The real captions state
 
-            var languages = dedupe(Array.from(navigator.languages || navigator.userLanguage).map(function (language) {
+            var languages = dedupe(Array.from(navigator.languages || navigator.language || navigator.userLanguage).map(function (language) {
                 return language.split('-')[0];
             }));
 

dist/plyr.polyfilled.js

@@ -8401,7 +8401,7 @@ typeof navigator === "object" && (function (global, factory) {
 	        // * active:    The state preferred by user settings or config
 	        // * toggled:   The real captions state
 
-	        var languages = dedupe(Array.from(navigator.languages || navigator.userLanguage).map(function (language) {
+	        var languages = dedupe(Array.from(navigator.languages || navigator.language || navigator.userLanguage).map(function (language) {
 	            return language.split('-')[0];
 	        }));
 
@@ -9684,15 +9684,14 @@ typeof navigator === "object" && (function (global, factory) {
 
 	// ==========================================================================
 
-	var focusTimer = null;
-	var lastKeyDown = null;
-
 	var Listeners = function () {
 	    function Listeners(player) {
 	        classCallCheck(this, Listeners);
 
 	        this.player = player;
 	        this.lastKey = null;
+	        this.focusTimer = null;
+	        this.lastKeyDown = null;
 
 	        this.handleKey = this.handleKey.bind(this);
 	        this.toggleMenu = this.toggleMenu.bind(this);
@@ -9878,6 +9877,8 @@ typeof navigator === "object" && (function (global, factory) {
 	        value: function setTabFocus(event) {
 	            var _this2 = this;
 
+	            clearTimeout(this.focusTimer);
+
 	            // Ignore any key other than tab
 	            if (event.type === 'keydown' && event.code !== 'Tab') {
 	                return;
@@ -9885,7 +9886,7 @@ typeof navigator === "object" && (function (global, factory) {
 
 	            // Store reference to event timeStamp
 	            if (event.type === 'keydown') {
-	                lastKeyDown = event.timeStamp;
+	                this.lastKeyDown = event.timeStamp;
 	            }
 
 	            // Remove current classes
@@ -9896,22 +9897,22 @@ typeof navigator === "object" && (function (global, factory) {
 	            };
 
 	            // Determine if a key was pressed to trigger this event
-	            var wasKeyDown = event.timeStamp - lastKeyDown <= 20;
+	            var wasKeyDown = event.timeStamp - this.lastKeyDown <= 20;
 
 	            // Ignore focus events if a key was pressed prior
 	            if (event.type === 'focus' && !wasKeyDown) {
 	                return;
 	            }
 
-	            // Delay the adding of classname until the focus has changed
-	            // This event fires before the focusin event
-	            clearTimeout(focusTimer);
-	            focusTimer = setTimeout(function () {
-	                var focused = document.activeElement;
-
 	            // Remove all current
 	            removeCurrent();
 
+	            // Delay the adding of classname until the focus has changed
+	            // This event fires before the focusin event
+
+	            this.focusTimer = setTimeout(function () {
+	                var focused = document.activeElement;
+
 	                // Ignore if current focus element isn't inside the player
 	                if (!_this2.player.elements.container.contains(focused)) {
 	                    return;

gulpfile.js

@@ -29,18 +29,12 @@ const sourcemaps = require('gulp-sourcemaps');
 const uglify = require('gulp-uglify-es').default;
 const commonjs = require('rollup-plugin-commonjs');
 const resolve = require('rollup-plugin-node-resolve');
+const FastlyPurge = require('fastly-purge');
+const through = require('through2');
 
 const bundles = require('./bundles.json');
 const pkg = require('./package.json');
 
-// Get AWS config
-let aws = {};
-try {
-    aws = require('./aws.json'); //eslint-disable-line
-} catch (e) {
-    // Do nothing
-}
-
 const minSuffix = '.min';
 
 // Paths
@@ -95,7 +89,8 @@ const browsers = ['> 1%'];
 
 // Babel config
 const babelrc = {
-    presets: [[
+    presets: [
+        [
             'env',
             {
                 targets: {
@@ -104,7 +99,8 @@ const babelrc = {
                 useBuiltIns: true,
                 modules: false,
             },
-    ]],
+        ],
+    ],
     plugins: ['external-helpers'],
     babelrc: false,
     exclude: 'node_modules/**',
@@ -112,10 +108,9 @@ const babelrc = {
 
 // Clean out /dist
 gulp.task('clean', () => {
-    const dirs = [
+    const dirs = [paths.plyr.output, paths.demo.output].map(dir =>
-        paths.plyr.output,
+        path.join(dir, '**/*'),
-        paths.demo.output,
+    );
-    ].map(dir => path.join(dir, '**/*'));
 
     // Don't delete the mp4
     dirs.push(`!${path.join(paths.plyr.output, '**/*.mp4')}`);
@@ -187,9 +182,11 @@ const build = {
                 .src(paths[bundle].src.sprite)
                 .pipe(
                     svgmin({
-                        plugins: [{
+                        plugins: [
+                            {
                                 removeDesc: true,
-                        }],
+                            },
+                        ],
                     }),
                 )
                 .pipe(svgstore())
@@ -238,9 +235,21 @@ gulp.task('default', () => {
 
 // Publish a version to CDN and demo
 // --------------------------------------------
-// If aws is setup
+// Get deployment config
-if (Object.keys(aws).includes('cdn') && Object.keys(aws).includes('demo')) {
+let credentials = {};
+try {
+    credentials = require('./credentials.json'); //eslint-disable-line
+} catch (e) {
+    // Do nothing
+}
+
+// If deployment is setup
+if (
+    Object.keys(credentials).includes('aws') &&
+    Object.keys(credentials).includes('fastly')
+) {
     const { version } = pkg;
+    const { aws, fastly } = credentials;
 
     // Get branch info
     const branch = {
@@ -248,10 +257,6 @@ if (Object.keys(aws).includes('cdn') && Object.keys(aws).includes('demo')) {
         master: 'master',
         develop: 'develop',
     };
-    const allowed = [
-        branch.master,
-        branch.develop,
-    ];
 
     const maxAge = 31536000; // 1 year
     const options = {
@@ -264,7 +269,8 @@ if (Object.keys(aws).includes('cdn') && Object.keys(aws).includes('demo')) {
         demo: {
             uploadPath: branch.current === branch.develop ? 'beta/' : null,
             headers: {
-                'Cache-Control': 'no-cache, no-store, must-revalidate, max-age=0',
+                'Cache-Control':
+                    'no-cache, no-store, must-revalidate, max-age=0',
                 Vary: 'Accept-Encoding',
             },
         },
@@ -273,27 +279,51 @@ if (Object.keys(aws).includes('cdn') && Object.keys(aws).includes('demo')) {
                 headers: {
                     // http://stackoverflow.com/questions/2272835/amazon-s3-object-redirect
                     'x-amz-website-redirect-location': `/${ver}/${filename}`,
-                    'Cache-Control': 'no-cache, no-store, must-revalidate, max-age=0',
+                    'Cache-Control':
+                        'no-cache, no-store, must-revalidate, max-age=0',
                 },
             };
         },
     };
 
-    const regex = '(?:0|[1-9][0-9]*)\\.(?:0|[1-9][0-9]*).(?:0|[1-9][0-9]*)(?:-[\\da-z\\-]+(?:.[\\da-z\\-]+)*)?(?:\\+[\\da-z\\-]+(?:.[\\da-z\\-]+)*)?';
+    const regex =
+        '(?:0|[1-9][0-9]*)\\.(?:0|[1-9][0-9]*).(?:0|[1-9][0-9]*)(?:-[\\da-z\\-]+(?:.[\\da-z\\-]+)*)?(?:\\+[\\da-z\\-]+(?:.[\\da-z\\-]+)*)?';
     const semver = new RegExp(`v${regex}`, 'gi');
     const localPath = new RegExp('(../)?dist', 'gi');
     const versionPath = `https://${aws.cdn.domain}/${version}`;
     const cdnpath = new RegExp(`${aws.cdn.domain}/${regex}/`, 'gi');
 
+    const renameFile = rename(p => {
+        p.basename = p.basename.replace(minSuffix, ''); // eslint-disable-line
+        p.dirname = p.dirname.replace('.', version); // eslint-disable-line
+    });
+
+    // Check we're on the correct branch to deploy
+    const canDeploy = () => {
+        const allowed = [branch.master, branch.develop];
+
+        if (!allowed.includes(branch.current)) {
+            console.error(
+                `Must be on ${allowed.join(', ')} to publish! (current: ${
+                    branch.current
+                })`,
+            );
+
+            return false;
+        }
+
+        return true;
+    };
+
     gulp.task('version', () => {
+        if (!canDeploy()) {
+            return null;
+        }
+
         console.log(`Updating versions to '${version}'...`);
 
         // Replace versioned URLs in source
-        const files = [
+        const files = ['plyr.js', 'plyr.polyfilled.js', 'defaults.js'];
-            'plyr.js',
-            'plyr.polyfilled.js',
-            'defaults.js',
-        ];
 
         return gulp
             .src(files.map(file => path.join(root, `src/js/${file}`)))
@@ -304,8 +334,7 @@ if (Object.keys(aws).includes('cdn') && Object.keys(aws).includes('demo')) {
 
     // Publish version to CDN bucket
     gulp.task('cdn', () => {
-        if (!allowed.includes(branch.current)) {
+        if (!canDeploy()) {
-            console.error(`Must be on ${allowed.join(', ')} to publish! (current: ${branch.current})`);
             return null;
         }
 
@@ -315,14 +344,15 @@ if (Object.keys(aws).includes('cdn') && Object.keys(aws).includes('demo')) {
         return (
             gulp
                 .src(paths.upload)
-                .pipe(
+                .pipe(renameFile)
-                    rename(p => {
-                        p.basename = p.basename.replace(minSuffix, ''); // eslint-disable-line
-                        p.dirname = p.dirname.replace('.', version); // eslint-disable-line
-                    }),
-                )
                 // Remove min suffix from source map URL
-                .pipe(replace(/sourceMappingURL=([\w-?.]+)/, (match, p1) => `sourceMappingURL=${p1.replace(minSuffix, '')}`))
+                .pipe(
+                    replace(
+                        /sourceMappingURL=([\w-?.]+)/,
+                        (match, p1) =>
+                            `sourceMappingURL=${p1.replace(minSuffix, '')}`,
+                    ),
+                )
                 .pipe(
                     size({
                         showFiles: true,
@@ -334,10 +364,36 @@ if (Object.keys(aws).includes('cdn') && Object.keys(aws).includes('demo')) {
         );
     });
 
+    // Purge the fastly cache incase any 403/404 are cached
+    gulp.task('purge', () => {
+        const list = [];
+
+        return gulp.src(paths.upload).pipe(
+            through.obj((file, enc, cb) => {
+                const filename = file.path.split('/').pop();
+                list.push(`${versionPath}/${filename}`);
+                cb(null);
+            }),
+        ).on('end', () => {
+            const purge = new FastlyPurge(fastly.token);
+
+            list.forEach(url => {
+                console.log(`Purging ${url}...`);
+
+                purge.url(url, (error, result) => {
+                    if (error) {
+                        console.log(error);
+                    } else if (result) {
+                        console.log(result);
+                    }
+                });
+            });
+        });
+    });
+
     // Publish to demo bucket
     gulp.task('demo', () => {
-        if (!allowed.includes(branch.current)) {
+        if (!canDeploy()) {
-            console.error(`Must be on ${allowed.join(', ')} to publish! (current: ${branch.current})`);
             return null;
         }
 
@@ -399,22 +455,29 @@ if (Object.keys(aws).includes('cdn') && Object.keys(aws).includes('demo')) {
             }));
     }); */
 
-    // Open the demo site to check it's sweet
+    // Open the demo site to check it's ok
-    gulp.task('open', () => {
+    gulp.task('open', callback => {
-        console.log(`Opening ${aws.demo.domain}...`);
+        gulp.src(__filename).pipe(
-
+            open({
-        // A file must be specified or gulp will skip the task
+                uri: `https://${aws.demo.domain}`,
-        // Doesn't matter which file since we set the URL above
-        // Weird, I know...
-        return gulp.src([`${paths.demo.root}index.html`]).pipe(
-            open('', {
-                url: `http://${aws.demo.domain}`,
             }),
         );
+
+        callback();
     });
 
     // Do everything
-    gulp.task('publish', callback => {
+    gulp.task('deploy', () =>
-        run('version', tasks.clean, tasks.js, tasks.sass, tasks.sprite, 'cdn', 'demo', callback);
+        run(
-    });
+            'version',
+            tasks.clean,
+            tasks.js,
+            tasks.sass,
+            tasks.sprite,
+            'cdn',
+            'purge',
+            'demo',
+            'open',
+        ),
+    );
 }

package.json

@@ -1,6 +1,6 @@
 {
     "name": "plyr",
-    "version": "3.3.16",
+    "version": "3.3.22",
     "description":
         "A simple, accessible and customizable HTML5, YouTube and Vimeo media player",
     "homepage": "https://plyr.io",
@@ -31,12 +31,14 @@
     },
     "scripts": {
         "build": "gulp build",
-        "lint": "eslint src/js",
+        "lint": "eslint src/js && npm run-script remark",
+        "remark":
+            "remark -f --use 'validate-links=repository:\"sampotts/plyr\"' '{,!(node_modules),.?**/}*.md'",
         "test": "echo \"Error: no test specified\" && exit 1"
     },
     "devDependencies": {
         "babel-core": "^6.26.3",
-        "babel-eslint": "^8.2.5",
+        "babel-eslint": "^8.2.6",
         "babel-plugin-external-helpers": "^6.22.0",
         "babel-preset-env": "^1.7.0",
         "del": "^3.0.0",
@@ -44,6 +46,7 @@
         "eslint-config-airbnb-base": "^13.0.0",
         "eslint-config-prettier": "^2.9.0",
         "eslint-plugin-import": "^2.13.0",
+        "fastly-purge": "^1.0.1",
         "git-branch": "^2.0.1",
         "gulp": "^3.9.1",
         "gulp-autoprefixer": "^5.0.0",
@@ -67,6 +70,8 @@
         "postcss-custom-properties": "^7.0.0",
         "prettier-eslint": "^8.8.2",
         "prettier-stylelint": "^0.4.2",
+        "remark-cli": "^5.0.0",
+        "remark-validate-links": "^7.0.0",
         "rollup-plugin-babel": "^3.0.7",
         "rollup-plugin-commonjs": "^9.1.3",
         "rollup-plugin-node-resolve": "^3.3.0",
@@ -77,7 +82,8 @@
         "stylelint-config-sass-guidelines": "^5.0.0",
         "stylelint-order": "^0.8.1",
         "stylelint-scss": "^3.1.3",
-        "stylelint-selector-bem-pattern": "^2.0.0"
+        "stylelint-selector-bem-pattern": "^2.0.0",
+        "through2": "^2.0.3"
     },
     "dependencies": {
         "babel-polyfill": "^6.26.0",

readme.md

@@ -16,7 +16,7 @@ A simple, lightweight, accessible and customizable HTML5, YouTube and Vimeo medi
 *   **HTML Video & Audio** - support for both formats
 *   **[Embedded Video](#embeds)** - support for YouTube and Vimeo video playback
 *   **[Monetization](#ads)** - make money from your videos
-*   **[Streaming](#streaming)** - support for hls.js, Shaka and dash.js streaming playback
+*   **[Streaming](#try-plyr-online)** - support for hls.js, Shaka and dash.js streaming playback
 *   **[API](#api)** - toggle playback, volume, seeking, and more through a standardized API
 *   **[Events](#events)** - no messing around with Vimeo and YouTube APIs, all events are standardized across formats
 *   **[Fullscreen](#fullscreen)** - supports native fullscreen with fallback to "full window" modes
@@ -132,13 +132,13 @@ See [initialising](#initialising) for more information on advanced setups.
 You can use our CDN (provided by [Fastly](https://www.fastly.com/)) for the JavaScript. There's 2 versions; one with and one without [polyfills](#polyfills). My recommendation would be to manage polyfills seperately as part of your application but to make life easier you can use the polyfilled build.
 
 ```html
-<script src="https://cdn.plyr.io/3.3.16/plyr.js"></script>
+<script src="https://cdn.plyr.io/3.3.22/plyr.js"></script>
 ```
 
 ...or...
 
 ```html
-<script src="https://cdn.plyr.io/3.3.16/plyr.polyfilled.js"></script>
+<script src="https://cdn.plyr.io/3.3.22/plyr.polyfilled.js"></script>
 ```
 
 ### CSS
@@ -152,13 +152,13 @@ Include the `plyr.css` stylsheet into your `<head>`
 If you want to use our CDN (provided by [Fastly](https://www.fastly.com/)) for the default CSS, you can use the following:
 
 ```html
-<link rel="stylesheet" href="https://cdn.plyr.io/3.3.16/plyr.css">
+<link rel="stylesheet" href="https://cdn.plyr.io/3.3.22/plyr.css">
 ```
 
 ### SVG Sprite
 
 The SVG sprite is loaded automatically from our CDN (provided by [Fastly](https://www.fastly.com/)). To change this, see the [options](#options) below. For
-reference, the CDN hosted SVG sprite can be found at `https://cdn.plyr.io/3.3.16/plyr.svg`.
+reference, the CDN hosted SVG sprite can be found at `https://cdn.plyr.io/3.3.22/plyr.svg`.
 
 ## Ads
 
@@ -286,7 +286,7 @@ Note the single quotes encapsulating the JSON and double quotes on the object ke
 | `debug`              | Boolean                    | `false`                                                                                                                        | Display debugging information in the console                                                                                                                                                                                                                                                                                                                           |
 | `controls`           | Array, Function or Element | `['play-large', 'play', 'progress', 'current-time', 'mute', 'volume', 'captions', 'settings', 'pip', 'airplay', 'fullscreen']` | If a function is passed, it is assumed your method will return either an element or HTML string for the controls. Three arguments will be passed to your function; `id` (the unique id for the player), `seektime` (the seektime step in seconds), and `title` (the media title). See [controls.md](controls.md) for more info on how the html needs to be structured. |
 | `settings`           | Array                      | `['captions', 'quality', 'speed', 'loop']`                                                                                     | If you're using the default controls are used then you can specify which settings to show in the menu                                                                                                                                                                                                                                                                  |
-| `i18n`               | Object                     | See [defaults.js](/src/js/defaults.js)                                                                                         | Used for internationalization (i18n) of the text within the UI.                                                                                                                                                                                                                                                                                                        |
+| `i18n`               | Object                     | See [defaults.js](/src/js/config/defaults.js)                                                                                         | Used for internationalization (i18n) of the text within the UI.                                                                                                                                                                                                                                                                                                        |
 | `loadSprite`         | Boolean                    | `true`                                                                                                                         | Load the SVG sprite specified as the `iconUrl` option (if a URL). If `false`, it is assumed you are handling sprite loading yourself.                                                                                                                                                                                                                                  |
 | `iconUrl`            | String                     | `null`                                                                                                                         | Specify a URL or path to the SVG sprite. See the [SVG section](#svg) for more info.                                                                                                                                                                                                                                                                                    |
 | `iconPrefix`         | String                     | `plyr`                                                                                                                         | Specify the id prefix for the icons used in the default controls (e.g. "plyr-play" would be "plyr"). This is to prevent clashes if you're using your own SVG sprite but with the default controls. Most people can ignore this option.                                                                                                                                 |
@@ -409,7 +409,7 @@ player.fullscreen.active; // false;
 | `speed`              | ✓      | ✓      | Gets or sets the speed for the player. The setter accepts a value in the options specified in your config. Generally the minimum should be 0.5.                                      |
 | `quality`&sup1;      | ✓      | ✓      | Gets or sets the quality for the player. The setter accepts a value from the options specified in your config.                                                                       |
 | `loop`               | ✓      | ✓      | Gets or sets the current loop state of the player. The setter accepts a boolean.                                                                                                     |
-| `source`             | ✓      | ✓      | Gets or sets the current source for the player. The setter accepts an object. See [source setter](#source-setter) below for examples.                                                |
+| `source`             | ✓      | ✓      | Gets or sets the current source for the player. The setter accepts an object. See [source setter](#the-source-setter) below for examples.                                                |
 | `poster`             | ✓      | ✓      | Gets or sets the current poster image for the player. The setter accepts a string; the URL for the updated poster image.                                                             |
 | `autoplay`           | ✓      | ✓      | Gets or sets the autoplay state of the player. The setter accepts a boolean.                                                                                                         |
 | `currentTrack`       | ✓      | ✓      | Gets or sets the caption track by index. `-1` means the track is missing or captions is not active |
@@ -435,10 +435,12 @@ player.source = {
         {
             src: '/path/to/movie.mp4',
             type: 'video/mp4',
+            size: 720,
         },
         {
             src: '/path/to/movie.webm',
             type: 'video/webm',
+            size: 1080,
         },
     ],
     poster: '/path/to/poster.jpg',

src/js/captions.js

@@ -84,7 +84,7 @@ const captions = {
         // * toggled:   The real captions state
 
         const languages = dedupe(
-            Array.from(navigator.languages || navigator.userLanguage).map(language => language.split('-')[0]),
+            Array.from(navigator.languages || navigator.language || navigator.userLanguage).map(language => language.split('-')[0]),
         );
 
         let language = (this.storage.get('language') || this.config.captions.language || 'auto').toLowerCase();

src/js/plyr.js

@@ -1,6 +1,6 @@
 // ==========================================================================
 // Plyr
-// plyr.js v3.3.16
+// plyr.js v3.3.22
 // https://github.com/sampotts/plyr
 // License: The MIT License (MIT)
 // ==========================================================================

src/js/plyr.polyfilled.js

@@ -1,6 +1,6 @@
 // ==========================================================================
 // Plyr Polyfilled Build
-// plyr.js v3.3.16
+// plyr.js v3.3.22
 // https://github.com/sampotts/plyr
 // License: The MIT License (MIT)
 // ==========================================================================

src/sass/components/embed.scss

@@ -27,11 +27,6 @@ $embed-padding: ((100 / 16) * 9);
     $height: 240;
     $offset: to-percentage(($height - $embed-padding) / ($height / 50));
 
-    // To allow mouse events to be captured if full support
-    iframe {
-        pointer-events: none;
-    }
-
     // Only used for Vimeo
     > .plyr__video-embed__container {
         padding-bottom: to-percentage($height);

src/sass/components/poster.scss

@@ -15,9 +15,9 @@
     transition: opacity 0.3s ease;
     width: 100%;
     z-index: 1;
-    pointer-events: none;
 }
 
 .plyr--stopped.plyr__poster-enabled .plyr__poster {
     opacity: 1;
+    pointer-events: none;
 }

yarn.lock

@@ -240,6 +240,13 @@ ansi-wrap@0.1.0, ansi-wrap@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/ansi-wrap/-/ansi-wrap-0.1.0.tgz#a82250ddb0015e9a27ca82e82ea603bbfa45efaf"
 
+anymatch@^1.3.0:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-1.3.2.tgz#553dcb8f91e3c889845dfdba34c77721b90b9d7a"
+  dependencies:
+    micromatch "^2.1.5"
+    normalize-path "^2.0.0"
+
 aproba@^1.0.3:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.2.0.tgz#6802e6264efd18c790a1b0d517f0f2627bf2c94a"
@@ -352,6 +359,10 @@ assign-symbols@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/assign-symbols/-/assign-symbols-1.0.0.tgz#59667f41fadd4f20ccbc2bb96b8d4f7f78ec0367"
 
+async-each@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
+
 async-foreach@^0.1.3:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/async-foreach/-/async-foreach-0.1.3.tgz#36121f845c0578172de419a97dbeb1d16ec34542"
@@ -464,15 +475,15 @@ babel-core@^6.26.3:
     slash "^1.0.0"
     source-map "^0.5.7"
 
-babel-eslint@^8.2.5:
+babel-eslint@^8.2.6:
-  version "8.2.5"
+  version "8.2.6"
-  resolved "https://registry.yarnpkg.com/babel-eslint/-/babel-eslint-8.2.5.tgz#dc2331c259d36782aa189da510c43dedd5adc7a3"
+  resolved "https://registry.yarnpkg.com/babel-eslint/-/babel-eslint-8.2.6.tgz#6270d0c73205628067c0f7ae1693a9e797acefd9"
   dependencies:
     "@babel/code-frame" "7.0.0-beta.44"
     "@babel/traverse" "7.0.0-beta.44"
     "@babel/types" "7.0.0-beta.44"
     babylon "7.0.0-beta.44"
-    eslint-scope "~3.7.1"
+    eslint-scope "3.7.1"
     eslint-visitor-keys "^1.0.0"
 
 babel-generator@^6.26.0:
@@ -949,6 +960,10 @@ beeper@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/beeper/-/beeper-1.1.1.tgz#e6d5ea8c5dad001304a70b22638447f69cb2f809"
 
+binary-extensions@^1.0.0:
+  version "1.11.0"
+  resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.11.0.tgz#46aa1751fb6a2f93ee5e689bb1087d4b14c6c205"
+
 binaryextensions@2:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/binaryextensions/-/binaryextensions-2.1.1.tgz#3209a51ca4a4ad541a3b8d3d6a6d5b83a2485935"
@@ -1046,6 +1061,10 @@ browserslist@^3.2.6:
     caniuse-lite "^1.0.30000844"
     electron-to-chromium "^1.3.47"
 
+buffer-from@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.0.tgz#87fcaa3a298358e0ade6e442cfce840740d1ad04"
+
 builtin-modules@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
@@ -1210,6 +1229,25 @@ cheerio@0.*:
     lodash.reject "^4.4.0"
     lodash.some "^4.4.0"
 
+chokidar@^1.5.1:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.7.0.tgz#798e689778151c8076b4b360e5edd28cda2bb468"
+  dependencies:
+    anymatch "^1.3.0"
+    async-each "^1.0.0"
+    glob-parent "^2.0.0"
+    inherits "^2.0.1"
+    is-binary-path "^1.0.0"
+    is-glob "^2.0.0"
+    path-is-absolute "^1.0.0"
+    readdirp "^2.0.0"
+  optionalDependencies:
+    fsevents "^1.0.0"
+
+chownr@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.0.1.tgz#e2a75042a9551908bebd25b8523d5f9769d79181"
+
 circular-json@^0.3.1:
   version "0.3.3"
   resolved "https://registry.yarnpkg.com/circular-json/-/circular-json-0.3.3.tgz#815c99ea84f6809529d2f45791bdf82711352d66"
@@ -1371,6 +1409,15 @@ concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
 
+concat-stream@^1.5.1:
+  version "1.6.2"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
+  dependencies:
+    buffer-from "^1.0.0"
+    inherits "^2.0.3"
+    readable-stream "^2.2.2"
+    typedarray "^0.0.6"
+
 concat-stream@^1.6.0:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.1.tgz#261b8f518301f1d834e36342b9fea095d2620a26"
@@ -1597,7 +1644,7 @@ debug@^1.0.2:
   dependencies:
     ms "2.0.0"
 
-debug@^2.2.0, debug@^2.3.3, debug@^2.6.8, debug@^2.6.9:
+debug@^2.1.2, debug@^2.2.0, debug@^2.3.3, debug@^2.6.8, debug@^2.6.9:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
   dependencies:
@@ -1618,6 +1665,10 @@ decode-uri-component@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
 
+deep-extend@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.6.0.tgz#c4fa7c95404a17a9c3e8ca7e1537312b736330ac"
+
 deep-extend@~0.4.0:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.4.2.tgz#48b699c27e334bf89f10892be432f6e4c7d34a7f"
@@ -1703,6 +1754,10 @@ detect-indent@^4.0.0:
   dependencies:
     repeating "^2.0.0"
 
+detect-libc@^1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/detect-libc/-/detect-libc-1.0.3.tgz#fa137c4bd698edf55cd5cd02ac559f91a4c4ba9b"
+
 detect-newline@2.X:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/detect-newline/-/detect-newline-2.1.0.tgz#f41f1c10be4b00e87b5f13da680759f2c5bfd3e2"
@@ -1804,6 +1859,10 @@ electron-to-chromium@^1.3.47:
   version "1.3.48"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.48.tgz#d3b0d8593814044e092ece2108fc3ac9aea4b900"
 
+"emoji-regex@>=6.0.0 <=6.1.1":
+  version "6.1.1"
+  resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-6.1.1.tgz#c6cd0ec1b0642e2a3c67a1137efc5e796da4f88e"
+
 end-of-stream@~0.1.5:
   version "0.1.5"
   resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-0.1.5.tgz#8e177206c3c80837d85632e8b9359dfe8b2f6eaf"
@@ -1920,7 +1979,7 @@ eslint-restricted-globals@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/eslint-restricted-globals/-/eslint-restricted-globals-0.1.1.tgz#35f0d5cbc64c2e3ed62e93b4b1a7af05ba7ed4d7"
 
-eslint-scope@^3.7.1, eslint-scope@~3.7.1:
+eslint-scope@3.7.1, eslint-scope@^3.7.1:
   version "3.7.1"
   resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-3.7.1.tgz#3d63c3edfda02e06e01a452ad88caacc7cdcb6e8"
   dependencies:
@@ -2179,6 +2238,10 @@ extend@^3.0.0, extend@~3.0.0, extend@~3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
 
+extend@~2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/extend/-/extend-2.0.1.tgz#1ee8010689e7395ff9448241c98652bc759a8260"
+
 external-editor@^2.0.4:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/external-editor/-/external-editor-2.1.0.tgz#3d026a21b7f95b5726387d4200ac160d372c3b48"
@@ -2256,6 +2319,18 @@ fast-levenshtein@~2.0.4:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
 
+fastly-purge@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/fastly-purge/-/fastly-purge-1.0.1.tgz#3bdfe9ea1d0fbf2a65712f2f5fe2eca63fcb5960"
+  dependencies:
+    request "^2.55.0"
+
+fault@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/fault/-/fault-1.0.2.tgz#c3d0fec202f172a3a4d414042ad2bb5e2a3ffbaa"
+  dependencies:
+    format "^0.2.2"
+
 figures@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/figures/-/figures-2.0.0.tgz#3ab1a2d2a62c8bfb431a0c94cb797a2fce27c962"
@@ -2345,6 +2420,10 @@ flat-cache@^1.2.1:
     graceful-fs "^4.1.2"
     write "^0.2.1"
 
+fn-name@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/fn-name/-/fn-name-2.0.1.tgz#5214d7537a4d06a4a301c0cc262feb84188002e7"
+
 for-in@^1.0.1, for-in@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
@@ -2385,6 +2464,10 @@ form-data@~2.3.1:
     combined-stream "1.0.6"
     mime-types "^2.1.12"
 
+format@^0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/format/-/format-0.2.2.tgz#d6170107e9efdc4ed30c9dc39016df942b5cb58b"
+
 fragment-cache@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/fragment-cache/-/fragment-cache-0.2.1.tgz#4290fad27f13e89be7f33799c6bc5a0abfff0d19"
@@ -2395,10 +2478,23 @@ from@~0:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/from/-/from-0.1.7.tgz#83c60afc58b9c56997007ed1a768b3ab303a44fe"
 
+fs-minipass@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.5.tgz#06c277218454ec288df77ada54a03b8702aacb9d"
+  dependencies:
+    minipass "^2.2.1"
+
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
 
+fsevents@^1.0.0:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-1.2.4.tgz#f41dcb1af2582af3692da36fc55cbd8e1041c426"
+  dependencies:
+    nan "^2.9.2"
+    node-pre-gyp "^0.10.0"
+
 fstream@^1.0.0, fstream@^1.0.2:
   version "1.0.11"
   resolved "https://registry.yarnpkg.com/fstream/-/fstream-1.0.11.tgz#5c1fb1f117477114f0632a0eb4b71b3cb0fd3171"
@@ -2487,6 +2583,12 @@ git-branch@^2.0.1:
   dependencies:
     findup-sync "^2.0.0"
 
+github-slugger@^1.0.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/github-slugger/-/github-slugger-1.2.0.tgz#8ada3286fd046d8951c3c952a8d7854cfd90fd9a"
+  dependencies:
+    emoji-regex ">=6.0.0 <=6.1.1"
+
 glob-base@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/glob-base/-/glob-base-0.3.0.tgz#dbb164f6221b1c0b1ccf82aea328b497df0ea3c4"
@@ -2979,6 +3081,10 @@ has-flag@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-1.0.0.tgz#9d9e793165ce017a00f00418c43f942a7b1d11fa"
 
+has-flag@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
+
 has-flag@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
@@ -3073,6 +3179,10 @@ hosted-git-info@^2.1.4:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.6.0.tgz#23235b29ab230c576aab0d4f13fc046b0b038222"
 
+hosted-git-info@^2.5.0:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.7.1.tgz#97f236977bd6e125408930ff6de3eec6281ec047"
+
 html-tags@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/html-tags/-/html-tags-2.0.0.tgz#10b30a386085f43cede353cc8fa7cb0deeea668b"
@@ -3108,6 +3218,22 @@ iconv-lite@^0.4.17:
   version "0.4.19"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
 
+iconv-lite@^0.4.4:
+  version "0.4.23"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.23.tgz#297871f63be507adcfbfca715d0cd0eed84e9a63"
+  dependencies:
+    safer-buffer ">= 2.1.2 < 3"
+
+ignore-walk@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/ignore-walk/-/ignore-walk-3.0.1.tgz#a83e62e7d272ac0e3b551aaa82831a19b69f82f8"
+  dependencies:
+    minimatch "^3.0.4"
+
+ignore@^3.2.0:
+  version "3.3.10"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.10.tgz#0a97fb876986e8081c631160f8f9f389157f0043"
+
 ignore@^3.3.3, ignore@^3.3.5:
   version "3.3.7"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.7.tgz#612289bfb3c220e186a58118618d5be8c1bab021"
@@ -3257,6 +3383,12 @@ is-arrayish@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
 
+is-binary-path@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-1.0.1.tgz#75f16642b480f187a711c814161fd3a4a7655898"
+  dependencies:
+    binary-extensions "^1.0.0"
+
 is-buffer@^1.1.4, is-buffer@^1.1.5:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
@@ -3315,6 +3447,10 @@ is-dotfile@^1.0.0:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/is-dotfile/-/is-dotfile-1.0.3.tgz#a6a2f32ffd2dfb04f5ca25ecd0f6b83cf798a1e1"
 
+is-empty@^1.0.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/is-empty/-/is-empty-1.2.0.tgz#de9bb5b278738a05a0b09a57e1fb4d4a341a9f6b"
+
 is-equal-shallow@^0.1.3:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/is-equal-shallow/-/is-equal-shallow-0.1.3.tgz#2238098fc221de0bcfa5d9eac4c45d638aa1c534"
@@ -3377,6 +3513,10 @@ is-hexadecimal@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-hexadecimal/-/is-hexadecimal-1.0.1.tgz#6e084bbc92061fbb0971ec58b6ce6d404e24da69"
 
+is-hidden@^1.0.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/is-hidden/-/is-hidden-1.1.1.tgz#82ee6a93aeef3fb007ad5b9457c0584d45329f38"
+
 is-installed-globally@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/is-installed-globally/-/is-installed-globally-0.1.0.tgz#0dfd98f5a9111716dd535dda6492f67bf3d25a80"
@@ -3426,6 +3566,10 @@ is-obj@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-obj/-/is-obj-1.0.1.tgz#3e4729ac1f5fde025cd7d83a896dab9f4f67db0f"
 
+is-object@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-object/-/is-object-1.0.1.tgz#8952688c5ec2ffd6b03ecc85e769e02903083470"
+
 is-odd@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/is-odd/-/is-odd-2.0.0.tgz#7646624671fd7ea558ccd9a2795182f2958f1b24"
@@ -3586,7 +3730,7 @@ js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
-js-yaml@^3.11.0:
+js-yaml@^3.11.0, js-yaml@^3.6.1:
   version "3.12.0"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.12.0.tgz#eaed656ec8344f10f527c6bfa1b6e2244de167d1"
   dependencies:
@@ -3718,6 +3862,10 @@ lcid@^1.0.0:
   dependencies:
     invert-kv "^1.0.0"
 
+levenshtein-edit-distance@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/levenshtein-edit-distance/-/levenshtein-edit-distance-1.0.0.tgz#895baf478cce8b5c1a0d27e45d7c1d978a661e49"
+
 levn@^0.3.0, levn@~0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"
@@ -3766,6 +3914,13 @@ load-json-file@^4.0.0:
     pify "^3.0.0"
     strip-bom "^3.0.0"
 
+load-plugin@^2.0.0:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/load-plugin/-/load-plugin-2.2.2.tgz#ebc7599491ff33e5077719fbe051d5725a9f7a89"
+  dependencies:
+    npm-prefix "^1.2.0"
+    resolve-from "^4.0.0"
+
 loadjs@^3.5.4:
   version "3.5.4"
   resolved "https://registry.yarnpkg.com/loadjs/-/loadjs-3.5.4.tgz#ef0f4eb5a6ac2b86c7597a3d4de97b83816e36b8"
@@ -4145,6 +4300,10 @@ markdown-escapes@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/markdown-escapes/-/markdown-escapes-1.0.1.tgz#1994df2d3af4811de59a6714934c2b2292734518"
 
+markdown-extensions@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/markdown-extensions/-/markdown-extensions-1.1.1.tgz#fea03b539faeaee9b4ef02a3769b455b189f7fc3"
+
 markdown-table@^1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/markdown-table/-/markdown-table-1.1.1.tgz#4b3dd3a133d1518b8ef0dbc709bf2a1b4824bc8c"
@@ -4160,6 +4319,16 @@ mdast-util-compact@^1.0.0:
     unist-util-modify-children "^1.0.0"
     unist-util-visit "^1.1.0"
 
+mdast-util-definitions@^1.0.0:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/mdast-util-definitions/-/mdast-util-definitions-1.2.2.tgz#673f4377c3e23d3de7af7a4fe2214c0e221c5ac7"
+  dependencies:
+    unist-util-visit "^1.0.0"
+
+mdast-util-to-string@^1.0.0:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/mdast-util-to-string/-/mdast-util-to-string-1.0.4.tgz#5c455c878c9355f0c1e7f3e8b719cf583691acfb"
+
 memoizee@0.4.X:
   version "0.4.12"
   resolved "https://registry.yarnpkg.com/memoizee/-/memoizee-0.4.12.tgz#780e99a219c50c549be6d0fc61765080975c58fb"
@@ -4220,7 +4389,7 @@ merge2@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/merge2/-/merge2-1.2.1.tgz#271d2516ff52d4af7f7b710b8bf3e16e183fef66"
 
-micromatch@^2.3.11:
+micromatch@^2.1.5, micromatch@^2.3.11:
   version "2.3.11"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-2.3.11.tgz#86677c97d1720b363431d04d0d15293bd38c1565"
   dependencies:
@@ -4338,6 +4507,19 @@ minimist@^1.1.0, minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
+minipass@^2.2.1, minipass@^2.3.3:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.3.3.tgz#a7dcc8b7b833f5d368759cce544dccb55f50f233"
+  dependencies:
+    safe-buffer "^5.1.2"
+    yallist "^3.0.0"
+
+minizlib@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.1.0.tgz#11e13658ce46bc3a70a267aac58359d1e0c29ceb"
+  dependencies:
+    minipass "^2.2.1"
+
 mixin-deep@^1.2.0:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/mixin-deep/-/mixin-deep-1.3.1.tgz#a49e7268dce1a0d9698e45326c5626df3543d0fe"
@@ -4374,7 +4556,7 @@ mute-stream@0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
 
-nan@^2.10.0:
+nan@^2.10.0, nan@^2.9.2:
   version "2.10.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.10.0.tgz#96d0cd610ebd58d4b4de9cc0c6828cda99c7548f"
 
@@ -4403,6 +4585,14 @@ natural-compare@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
 
+needle@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/needle/-/needle-2.2.1.tgz#b5e325bd3aae8c2678902fa296f729455d1d3a7d"
+  dependencies:
+    debug "^2.1.2"
+    iconv-lite "^0.4.4"
+    sax "^1.2.4"
+
 next-tick@1:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.0.0.tgz#ca86d1fe8828169b0120208e3dc8424b9db8342c"
@@ -4429,6 +4619,21 @@ node-gyp@^3.3.1:
     tar "^2.0.0"
     which "1"
 
+node-pre-gyp@^0.10.0:
+  version "0.10.3"
+  resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.10.3.tgz#3070040716afdc778747b61b6887bf78880b80fc"
+  dependencies:
+    detect-libc "^1.0.2"
+    mkdirp "^0.5.1"
+    needle "^2.2.1"
+    nopt "^4.0.1"
+    npm-packlist "^1.1.6"
+    npmlog "^4.0.2"
+    rc "^1.2.7"
+    rimraf "^2.6.1"
+    semver "^5.3.0"
+    tar "^4"
+
 node-sass@^4.8.3:
   version "4.8.3"
   resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.8.3.tgz#d077cc20a08ac06f661ca44fb6f19cd2ed41debb"
@@ -4459,6 +4664,13 @@ node-sass@^4.8.3:
   dependencies:
     abbrev "1"
 
+nopt@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.1.tgz#d0d4685afd5415193c8c7505602d0d17cd64474d"
+  dependencies:
+    abbrev "1"
+    osenv "^0.1.4"
+
 normalize-package-data@^2.3.2, normalize-package-data@^2.3.4:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.4.0.tgz#12f95a307d58352075a04907b84ac8be98ac012f"
@@ -4468,7 +4680,7 @@ normalize-package-data@^2.3.2, normalize-package-data@^2.3.4:
     semver "2 || 3 || 4 || 5"
     validate-npm-package-license "^3.0.1"
 
-normalize-path@^2.0.1, normalize-path@^2.1.1:
+normalize-path@^2.0.0, normalize-path@^2.0.1, normalize-path@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-2.1.1.tgz#1ab28b556e198363a8c1a6f7e6fa20137fe6aed9"
   dependencies:
@@ -4482,13 +4694,32 @@ normalize-selector@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/normalize-selector/-/normalize-selector-0.2.0.tgz#d0b145eb691189c63a78d201dc4fdb1293ef0c03"
 
+npm-bundled@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/npm-bundled/-/npm-bundled-1.0.3.tgz#7e71703d973af3370a9591bafe3a63aca0be2308"
+
+npm-packlist@^1.1.6:
+  version "1.1.10"
+  resolved "https://registry.yarnpkg.com/npm-packlist/-/npm-packlist-1.1.10.tgz#1039db9e985727e464df066f4cf0ab6ef85c398a"
+  dependencies:
+    ignore-walk "^3.0.1"
+    npm-bundled "^1.0.1"
+
+npm-prefix@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/npm-prefix/-/npm-prefix-1.2.0.tgz#e619455f7074ba54cc66d6d0d37dd9f1be6bcbc0"
+  dependencies:
+    rc "^1.1.0"
+    shellsubstitute "^1.1.0"
+    untildify "^2.1.0"
+
 npm-run-path@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/npm-run-path/-/npm-run-path-2.0.2.tgz#35a9232dfa35d7067b4cb2ddf2357b1871536c5f"
   dependencies:
     path-key "^2.0.0"
 
-"npmlog@0 || 1 || 2 || 3 || 4", npmlog@^4.0.0:
+"npmlog@0 || 1 || 2 || 3 || 4", npmlog@^4.0.0, npmlog@^4.0.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.1.2.tgz#08a7f2a8bf734604779a9efa4ad5cc717abb954b"
   dependencies:
@@ -4653,7 +4884,7 @@ os-tmpdir@^1.0.0, os-tmpdir@^1.0.1, os-tmpdir@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
 
-osenv@0:
+osenv@0, osenv@^0.1.4:
   version "0.1.5"
   resolved "https://registry.yarnpkg.com/osenv/-/osenv-0.1.5.tgz#85cdfafaeb28e8677f416e287592b5f3f49ea410"
   dependencies:
@@ -5148,6 +5379,12 @@ progress@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.0.tgz#8a1be366bf8fc23db2bd23f10c6fe920b4389d1f"
 
+propose@0.0.5:
+  version "0.0.5"
+  resolved "https://registry.yarnpkg.com/propose/-/propose-0.0.5.tgz#48a065d9ec7d4c8667f4050b15c4a2d85dbca56b"
+  dependencies:
+    levenshtein-edit-distance "^1.0.0"
+
 pseudomap@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
@@ -5196,6 +5433,15 @@ rc@^1.0.1, rc@^1.1.6:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
+rc@^1.1.0, rc@^1.2.7:
+  version "1.2.8"
+  resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.8.tgz#cd924bf5200a075b83c188cd6b9e211b7fc0d3ed"
+  dependencies:
+    deep-extend "^0.6.0"
+    ini "~1.3.0"
+    minimist "^1.2.0"
+    strip-json-comments "~2.0.1"
+
 read-pkg-up@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-1.0.1.tgz#9d63c13276c065918d57f002a57f40a1b643fb02"
@@ -5271,6 +5517,15 @@ readable-stream@~1.1.9:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
+readdirp@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.1.0.tgz#4ed0ad060df3073300c48440373f72d1cc642d78"
+  dependencies:
+    graceful-fs "^4.1.2"
+    minimatch "^3.0.2"
+    readable-stream "^2.0.2"
+    set-immediate-shim "^1.0.1"
+
 rechoir@^0.6.2:
   version "0.6.2"
   resolved "https://registry.yarnpkg.com/rechoir/-/rechoir-0.6.2.tgz#85204b54dba82d5742e28c96756ef43af50e3384"
@@ -5369,6 +5624,14 @@ regjsparser@^0.1.4:
   dependencies:
     jsesc "~0.5.0"
 
+remark-cli@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/remark-cli/-/remark-cli-5.0.0.tgz#9feefd06474f3d0ff132df21b5334c546df12ab6"
+  dependencies:
+    markdown-extensions "^1.1.0"
+    remark "^9.0.0"
+    unified-args "^5.0.0"
+
 remark-parse@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/remark-parse/-/remark-parse-4.0.0.tgz#99f1f049afac80382366e2e0d0bd55429dd45d8b"
@@ -5409,6 +5672,14 @@ remark-parse@^5.0.0:
     vfile-location "^2.0.0"
     xtend "^4.0.1"
 
+remark-slug@^4.2.1:
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/remark-slug/-/remark-slug-4.2.3.tgz#8d987d0e5e63d4a49ea37b90fe999a3dcfc81b72"
+  dependencies:
+    github-slugger "^1.0.0"
+    mdast-util-to-string "^1.0.0"
+    unist-util-visit "^1.0.0"
+
 remark-stringify@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/remark-stringify/-/remark-stringify-4.0.0.tgz#4431884c0418f112da44991b4e356cfe37facd87"
@@ -5447,6 +5718,18 @@ remark-stringify@^5.0.0:
     unherit "^1.0.4"
     xtend "^4.0.1"
 
+remark-validate-links@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/remark-validate-links/-/remark-validate-links-7.0.0.tgz#31de803ac4682ea923b68a82560810981853d110"
+  dependencies:
+    hosted-git-info "^2.5.0"
+    mdast-util-definitions "^1.0.0"
+    propose "0.0.5"
+    remark-slug "^4.2.1"
+    unist-util-visit "^1.0.0"
+    urljoin "^0.1.5"
+    xtend "^4.0.1"
+
 remark@^8.0.0:
   version "8.0.0"
   resolved "https://registry.yarnpkg.com/remark/-/remark-8.0.0.tgz#287b6df2fe1190e263c1d15e486d3fa835594d6d"
@@ -5471,7 +5754,7 @@ repeat-element@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/repeat-element/-/repeat-element-1.1.2.tgz#ef089a178d1483baae4d93eb98b4f9e4e11d990a"
 
-repeat-string@^1.5.2, repeat-string@^1.5.4, repeat-string@^1.6.1:
+repeat-string@^1.5.0, repeat-string@^1.5.2, repeat-string@^1.5.4, repeat-string@^1.6.1:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
 
@@ -5524,6 +5807,31 @@ request@2:
     tunnel-agent "^0.6.0"
     uuid "^3.1.0"
 
+request@^2.55.0:
+  version "2.87.0"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.87.0.tgz#32f00235cd08d482b4d0d68db93a829c0ed5756e"
+  dependencies:
+    aws-sign2 "~0.7.0"
+    aws4 "^1.6.0"
+    caseless "~0.12.0"
+    combined-stream "~1.0.5"
+    extend "~3.0.1"
+    forever-agent "~0.6.1"
+    form-data "~2.3.1"
+    har-validator "~5.0.3"
+    http-signature "~1.2.0"
+    is-typedarray "~1.0.0"
+    isstream "~0.1.2"
+    json-stringify-safe "~5.0.1"
+    mime-types "~2.1.17"
+    oauth-sign "~0.8.2"
+    performance-now "^2.1.0"
+    qs "~6.5.1"
+    safe-buffer "^5.1.1"
+    tough-cookie "~2.3.3"
+    tunnel-agent "^0.6.0"
+    uuid "^3.1.0"
+
 request@~2.79.0:
   version "2.79.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.79.0.tgz#4dfe5bf6be8b8cdc37fcf93e04b65577722710de"
@@ -5628,7 +5936,7 @@ ret@~0.1.10:
   version "0.1.15"
   resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
 
-rimraf@2, rimraf@^2.2.8:
+rimraf@2, rimraf@^2.2.8, rimraf@^2.6.1:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
   dependencies:
@@ -5712,12 +6020,20 @@ safe-buffer@^5.0.1, safe-buffer@^5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
+safe-buffer@^5.1.2:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+
 safe-regex@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
   dependencies:
     ret "~0.1.10"
 
+"safer-buffer@>= 2.1.2 < 3":
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
+
 sass-graph@^2.2.4:
   version "2.2.4"
   resolved "https://registry.yarnpkg.com/sass-graph/-/sass-graph-2.2.4.tgz#13fbd63cd1caf0908b9fd93476ad43a51d1e0b49"
@@ -5727,7 +6043,7 @@ sass-graph@^2.2.4:
     scss-tokenizer "^0.2.3"
     yargs "^7.0.0"
 
-sax@>=0.6.0, sax@~1.2.1:
+sax@>=0.6.0, sax@^1.2.4, sax@~1.2.1:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
 
@@ -5764,6 +6080,10 @@ set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
 
+set-immediate-shim@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/set-immediate-shim/-/set-immediate-shim-1.0.1.tgz#4b2b1b27eb808a9f8dcc481a58e5e56f599f3f61"
+
 set-value@^0.4.3:
   version "0.4.3"
   resolved "https://registry.yarnpkg.com/set-value/-/set-value-0.4.3.tgz#7db08f9d3d22dc7f78e53af3c3bf4666ecdfccf1"
@@ -5792,6 +6112,10 @@ shebang-regex@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
 
+shellsubstitute@^1.1.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/shellsubstitute/-/shellsubstitute-1.2.0.tgz#e4f702a50c518b0f6fe98451890d705af29b6b70"
+
 sigmund@~1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/sigmund/-/sigmund-1.0.1.tgz#3ff21f198cad2175f9f3b781853fd94d0d19b590"
@@ -5999,7 +6323,7 @@ streamfilter@^1.0.5:
   dependencies:
     readable-stream "^2.0.2"
 
-string-width@^1.0.1, string-width@^1.0.2:
+string-width@^1.0.0, string-width@^1.0.1, string-width@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"
   dependencies:
@@ -6319,6 +6643,12 @@ supports-color@^3.2.3:
   dependencies:
     has-flag "^1.0.0"
 
+supports-color@^4.1.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.5.0.tgz#be7a0de484dec5c5cddf8b3d59125044912f635b"
+  dependencies:
+    has-flag "^2.0.0"
+
 supports-color@^5.2.0, supports-color@^5.3.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.3.0.tgz#5b24ac15db80fa927cf5227a4a33fd3c4c7676c0"
@@ -6381,6 +6711,18 @@ tar@^2.0.0:
     fstream "^1.0.2"
     inherits "2"
 
+tar@^4:
+  version "4.4.4"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.4.tgz#ec8409fae9f665a4355cc3b4087d0820232bb8cd"
+  dependencies:
+    chownr "^1.0.1"
+    fs-minipass "^1.2.5"
+    minipass "^2.3.3"
+    minizlib "^1.1.0"
+    mkdirp "^0.5.0"
+    safe-buffer "^5.1.2"
+    yallist "^3.0.2"
+
 temp-dir@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/temp-dir/-/temp-dir-1.0.0.tgz#0a7c0ea26d3a39afa7e0ebea9c1fc0bc4daa011d"
@@ -6506,6 +6848,14 @@ to-regex@^3.0.1, to-regex@^3.0.2:
     regex-not "^1.0.2"
     safe-regex "^1.1.0"
 
+to-vfile@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/to-vfile/-/to-vfile-2.2.0.tgz#342d1705e6df526d569b1fc8bfa29f1f36d6c416"
+  dependencies:
+    is-buffer "^1.1.4"
+    vfile "^2.0.0"
+    x-is-function "^1.0.4"
+
 tough-cookie@~2.3.0, tough-cookie@~2.3.3:
   version "2.3.4"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.3.4.tgz#ec60cee38ac675063ffc97a5c18970578ee83655"
@@ -6588,6 +6938,43 @@ unherit@^1.0.4:
     inherits "^2.0.1"
     xtend "^4.0.1"
 
+unified-args@^5.0.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/unified-args/-/unified-args-5.1.0.tgz#1889200e072998a662e6e84d817d6f4b5f448dd1"
+  dependencies:
+    camelcase "^4.0.0"
+    chalk "^2.0.0"
+    chokidar "^1.5.1"
+    json5 "^0.5.1"
+    minimist "^1.2.0"
+    text-table "^0.2.0"
+    unified-engine "^5.1.0"
+
+unified-engine@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/unified-engine/-/unified-engine-5.1.0.tgz#30db83bcc76c821f773bb5a8a491aa0e2471e3d1"
+  dependencies:
+    concat-stream "^1.5.1"
+    debug "^3.1.0"
+    fault "^1.0.0"
+    fn-name "^2.0.1"
+    glob "^7.0.3"
+    ignore "^3.2.0"
+    is-empty "^1.0.0"
+    is-hidden "^1.0.1"
+    is-object "^1.0.1"
+    js-yaml "^3.6.1"
+    load-plugin "^2.0.0"
+    parse-json "^4.0.0"
+    to-vfile "^2.0.0"
+    trough "^1.0.0"
+    unist-util-inspect "^4.1.2"
+    vfile-reporter "^4.0.0"
+    vfile-statistics "^1.1.0"
+    x-is-function "^1.0.4"
+    x-is-string "^0.1.0"
+    xtend "^4.0.1"
+
 unified@^6.0.0:
   version "6.1.6"
   resolved "https://registry.yarnpkg.com/unified/-/unified-6.1.6.tgz#5ea7f807a0898f1f8acdeefe5f25faa010cc42b1"
@@ -6635,6 +7022,12 @@ unist-util-find-all-after@^1.0.2:
   dependencies:
     unist-util-is "^2.0.0"
 
+unist-util-inspect@^4.1.2:
+  version "4.1.3"
+  resolved "https://registry.yarnpkg.com/unist-util-inspect/-/unist-util-inspect-4.1.3.tgz#39470e6d77485db285966df78431219aa1287822"
+  dependencies:
+    is-empty "^1.0.0"
+
 unist-util-is@^2.0.0, unist-util-is@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/unist-util-is/-/unist-util-is-2.1.1.tgz#0c312629e3f960c66e931e812d3d80e77010947b"
@@ -6655,6 +7048,12 @@ unist-util-stringify-position@^1.0.0, unist-util-stringify-position@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/unist-util-stringify-position/-/unist-util-stringify-position-1.1.1.tgz#3ccbdc53679eed6ecf3777dd7f5e3229c1b6aa3c"
 
+unist-util-visit@^1.0.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/unist-util-visit/-/unist-util-visit-1.3.1.tgz#c019ac9337a62486be58531bc27e7499ae7d55c7"
+  dependencies:
+    unist-util-is "^2.1.1"
+
 unist-util-visit@^1.1.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/unist-util-visit/-/unist-util-visit-1.3.0.tgz#41ca7c82981fd1ce6c762aac397fc24e35711444"
@@ -6668,6 +7067,12 @@ unset-value@^1.0.0:
     has-value "^0.3.1"
     isobject "^3.0.0"
 
+untildify@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/untildify/-/untildify-2.1.0.tgz#17eb2807987f76952e9c0485fc311d06a826a2e0"
+  dependencies:
+    os-homedir "^1.0.0"
+
 unzip-response@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/unzip-response/-/unzip-response-2.0.1.tgz#d2f0f737d16b0615e72a6935ed04214572d56f97"
@@ -6706,6 +7111,12 @@ url-polyfill@^1.0.13:
   version "1.0.13"
   resolved "https://registry.yarnpkg.com/url-polyfill/-/url-polyfill-1.0.13.tgz#5324c5e6e3d3bafdc93a73c21def21e8b697c910"
 
+urljoin@^0.1.5:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/urljoin/-/urljoin-0.1.5.tgz#b25d2c6112c55ac9d50096a49a0f1fb7f4f53921"
+  dependencies:
+    extend "~2.0.0"
+
 use@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/use/-/use-3.1.0.tgz#14716bf03fdfefd03040aef58d8b4b85f3a7c544"
@@ -6755,6 +7166,20 @@ vfile-message@^1.0.0:
   dependencies:
     unist-util-stringify-position "^1.1.1"
 
+vfile-reporter@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/vfile-reporter/-/vfile-reporter-4.0.0.tgz#ea6f0ae1342f4841573985e05f941736f27de9da"
+  dependencies:
+    repeat-string "^1.5.0"
+    string-width "^1.0.0"
+    supports-color "^4.1.0"
+    unist-util-stringify-position "^1.0.0"
+    vfile-statistics "^1.1.0"
+
+vfile-statistics@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/vfile-statistics/-/vfile-statistics-1.1.1.tgz#a22fd4eb844c9eaddd781ad3b3246db88375e2e3"
+
 vfile@^2.0.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/vfile/-/vfile-2.3.0.tgz#e62d8e72b20e83c324bc6c67278ee272488bf84a"
@@ -6924,6 +7349,10 @@ yallist@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
 
+yallist@^3.0.0, yallist@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.0.2.tgz#8452b4bb7e83c7c188d8041c1a837c773d6d8bb9"
+
 yargs-parser@^10.0.0:
   version "10.0.0"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-10.0.0.tgz#c737c93de2567657750cb1f2c00be639fd19c994"