@thelevicole/youtube-to-html5-loader/dist/YouTubeToHtml5.js

A javascript library to load YoutTube videos as HTML5 emebed elements.

!function(){"use strict";function t(t,n){var e="undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(!e){if(Array.isArray(t)||(e=function(t,n){if(!t)return;if("string"==typeof t)return o(t,n);var e=Object.prototype.toString.call(t).slice(8,-1);"Object"===e&&t.constructor&&(e=t.constructor.name);if("Map"===e||"Set"===e)return Array.from(t);if("Arguments"===e||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(e))return o(t,n)}(t))||n&&t&&"number"==typeof t.length){e&&(t=e);var r=0,i=function(){};return{s:i,n:function(){return r>=t.length?{done:!0}:{done:!1,value:t[r++]}},e:function(t){throw t},f:i}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var a,u=!0,l=!1;return{s:function(){e=e.call(t)},n:function(){var t=e.next();return u=t.done,t},e:function(t){l=!0,a=t},f:function(){try{u||null==e.return||e.return()}finally{if(l)throw a}}}}function o(t,o){(null==o||o>t.length)&&(o=t.length);for(var n=0,e=new Array(o);n<o;n++)e[n]=t[n];return e}function n(t){return n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},n(t)}function e(t,o){for(var n=0;n<o.length;n++){var e=o[n];e.enumerable=e.enumerable||!1,e.configurable=!0,"value"in e&&(e.writable=!0),Object.defineProperty(t,e.key,e)}}function r(t,o,n){return o in t?Object.defineProperty(t,o,{value:n,enumerable:!0,configurable:!0,writable:!0}):t[o]=n,t}var i=function(){function o(t){!function(t,o){if(!(t instanceof o))throw new TypeError("Cannot call a class as a function")}(this,o),r(this,"class",o),r(this,"options",{}),r(this,"hooks",{}),this.options=t,this.addAction("load.success",this.class._actionLoadSuccess,0),this.addAction("load.failed",this.class._actionLoadFailed,0),this.getOption("autoload")&&this.load()}var i,a,u;return i=o,a=[{key:"getOption",value:function(t){var o=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;!o&&t in this.class.defaultOptions&&(o=this.class.defaultOptions[t]);var n=t in this.options?this.options[t]:o;return n=this.applyFilters("option",n,t),n=this.applyFilters("option.".concat(t),n)}},{key:"getHooks",value:function(t,o){var n=[];if(t in this.class.globalHooks){var e=this.class.globalHooks[t];e=(e=e.filter((function(t){return t.name===o}))).sort((function(t,o){return t.priority-o.priority})),n=n.concat(e)}if(t in this.hooks){var r=this.hooks[t];r=(r=r.filter((function(t){return t.name===o}))).sort((function(t,o){return t.priority-o.priority})),n=n.concat(r)}return n}},{key:"addHook",value:function(t,o){t in this.class.globalHooks||(this.class.globalHooks[t]=[]),t in this.hooks||(this.hooks[t]=[]),"global"in o&&o.global?this.class.globalHooks[t].push(o):this.hooks[t].push(o)}},{key:"addAction",value:function(t,o){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:10,e=arguments.length>3&&void 0!==arguments[3]&&arguments[3];this.addHook("actions",{name:t,callback:o,priority:n,global:e})}},{key:"doAction",value:function(t){for(var o=this,n=arguments.length,e=new Array(n>1?n-1:0),r=1;r<n;r++)e[r-1]=arguments[r];this.getHooks("actions",t).forEach((function(t){t.callback.apply(o,e)}))}},{key:"addFilter",value:function(t,o){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:10,e=arguments.length>3&&void 0!==arguments[3]&&arguments[3];this.addHook("filters",{name:t,callback:o,priority:n,global:e})}},{key:"applyFilters",value:function(t,o){for(var n=this,e=arguments.length,r=new Array(e>2?e-2:0),i=2;i<e;i++)r[i-2]=arguments[i];return this.getHooks("filters",t).forEach((function(t){o=t.callback.apply(n,[o].concat(r))})),o}},{key:"urlToId",value:function(t){var o=t.match(/^(?:http(?:s)?:\/\/)?(?:www\.)?(?:m\.)?(?:youtu\.be\/|(?:(?:youtube-nocookie\.com\/|youtube\.com\/)(?:(?:watch)?\?(?:.*&)?v(?:i)?=|(?:embed|v|vi|user)\/)))([a-zA-Z0-9\-_]*)/);return Array.isArray(o)&&o[1]?o[1]:t}},{key:"getElements",value:function(t){var o=null;return t&&(o=NodeList.prototype.isPrototypeOf(t)||HTMLCollection.prototype.isPrototypeOf(t)?t:"object"===n(t)&&"nodeType"in t&&t.nodeType?[t]:document.querySelectorAll(this.getOption("selector"))),o=Array.from(o||""),this.applyFilters("elements",o)}},{key:"requestUrl",value:function(t){var o=this.getOption("endpoint"),n=o+t;return this.applyFilters("request.url",n,o,t)}},{key:"bulkSortBy",value:function(o,n,e){var r,i=0,a=t(e);try{for(a.s();!(r=a.n()).done;){var u=r.value;i+=u(n)-u(o)}}catch(t){a.e(t)}finally{a.f()}return i}},{key:"getStreamData",value:function(t){var o=this,n=(null==t?void 0:t.data)||{},e=[];Array.from(n.formats||"").forEach((function(t){var n={_raw:t,itag:t.itag,url:t.url,format:t.qualityLabel,type:"unknown",mime:"unknown",hasAudio:t.hasAudio,hasVideo:t.hasVideo,browserSupport:"unknown"};if(n.format||n.hasAudio&&!n.hasVideo&&(n.format="".concat(t.audioBitrate,"kbps")),"mimeType"in t){var r=t.mimeType.match(/^(audio|video)(?:\/([^;]+);)?/i);r[1]&&(n.type=r[1]),r[2]&&(n.mime=r[2]),n.browserSupport=o.canPlayType("".concat(n.type,"/").concat(n.mime))}e.push(n)})),e.sort((function(t,n){return o.bulkSortBy(t,n,[function(t){return{unknown:-1,no:-1,maybe:0,probably:1}[t.browserSupport]},function(t){return+!!t._raw.isHLS},function(t){return+!!t._raw.isDashMPD},function(t){return+(t._raw.contentLength>0)},function(t){return+(t.hasVideo&&t.hasAudio)},function(t){return+t.hasVideo},function(t){return parseInt(t.format)||0},function(t){return t._raw.bitrate||0},function(t){return t._raw.audioBitrate||0},function(t){return["mp4v","avc1","Sorenson H.283","MPEG-4 Visual","VP8","VP9","H.264"].findIndex((function(o){return t._raw.codecs&&t._raw.codecs.includes(o)}))},function(t){return["mp4a","mp3","vorbis","aac","opus","flac"].findIndex((function(o){return t._raw.codecs&&t._raw.codecs.includes(o)}))}])})),this.getOption("withAudio")&&(e=e.filter((function(t){return t.hasAudio}))),this.getOption("withVideo")&&(e=e.filter((function(t){return t.hasVideo})));var r=this.getOption("formats");return"*"!==r&&(e=e.filter((function(t){return Array.from(r).includes(t.format)}))),e}},{key:"canPlayType",value:function(t){var o,n=(o=/^audio/i.test(t)?document.createElement("audio"):document.createElement("video"))&&"function"==typeof o.canPlayType?o.canPlayType(t):"unknown";return n||"no"}},{key:"load",value:function(){var t=this,o=this.getElements(this.getOption("selector"));o&&o.length&&o.forEach((function(o){return t.loadSingle(o)}))}},{key:"loadSingle",value:function(t){var o=this,n=this.getOption("attribute");if(t.getAttribute(n)){var e=this.urlToId(t.getAttribute(n)),r=this.requestUrl(e);this.doAction("load.before",t),fetch(r).then((function(n){n.json().then((function(n){return o.doAction("load.success",t,n)}))})).catch((function(n){n.json().then((function(n){return o.doAction("load.failed",t,n)}))})).finally((function(){o.doAction("load.after",t)}))}}}],u=[{key:"_actionLoadSuccess",value:function(t,o,n){var e=t.getStreamData(n),r=(e=e.filter((function(t){return t.type===o.tagName.toLowerCase()}))).shift();r&&(o.src=r.url)}},{key:"_actionLoadFailed",value:function(t,o,n){console.warn("".concat(t.class," was unable to load video."))}}],a&&e(i.prototype,a),u&&e(i,u),Object.defineProperty(i,"prototype",{writable:!1}),o}();r(i,"globalHooks",{}),r(i,"defaultOptions",{endpoint:"https://yt2html5.com/?id=",selector:"video[data-yt2html5]",attribute:"data-yt2html5",formats:"*",autoload:!0,withAudio:!1,withVideo:!0}),window.YouTubeToHtml5=i,"undefined"!=typeof jQuery&&(jQuery.fn.youtubeToHtml5=function(){var t=this,o=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},n="autoload"in o?o.autoload:i.defaultOptions.autoload;o.autoload=!1;var e=new i(o);return e.addFilter("elements",(function(){return Array.from(t)})),n&&e.load(),e})}();