875 lines
22 KiB
JavaScript
875 lines
22 KiB
JavaScript
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/* **********************************************
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Begin prism-core.js
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********************************************** */
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var _self = (typeof window !== 'undefined')
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? window // if in browser
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: (
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(typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope)
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? self // if in worker
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: {} // if in node js
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);
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/**
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* Prism: Lightweight, robust, elegant syntax highlighting
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* MIT license http://www.opensource.org/licenses/mit-license.php/
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* @author Lea Verou http://lea.verou.me
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*/
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var Prism = (function(){
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// Private helper vars
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var lang = /\blang(?:uage)?-([\w-]+)\b/i;
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var uniqueId = 0;
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var _ = _self.Prism = {
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manual: _self.Prism && _self.Prism.manual,
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disableWorkerMessageHandler: _self.Prism && _self.Prism.disableWorkerMessageHandler,
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util: {
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encode: function (tokens) {
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if (tokens instanceof Token) {
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return new Token(tokens.type, _.util.encode(tokens.content), tokens.alias);
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} else if (_.util.type(tokens) === 'Array') {
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return tokens.map(_.util.encode);
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} else {
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return tokens.replace(/&/g, '&').replace(/</g, '<').replace(/\u00a0/g, ' ');
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}
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},
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type: function (o) {
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return Object.prototype.toString.call(o).match(/\[object (\w+)\]/)[1];
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},
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objId: function (obj) {
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if (!obj['__id']) {
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Object.defineProperty(obj, '__id', { value: ++uniqueId });
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}
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return obj['__id'];
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},
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// Deep clone a language definition (e.g. to extend it)
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clone: function (o, visited) {
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var type = _.util.type(o);
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visited = visited || {};
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switch (type) {
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case 'Object':
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if (visited[_.util.objId(o)]) {
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return visited[_.util.objId(o)];
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}
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var clone = {};
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visited[_.util.objId(o)] = clone;
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for (var key in o) {
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if (o.hasOwnProperty(key)) {
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clone[key] = _.util.clone(o[key], visited);
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}
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}
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return clone;
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case 'Array':
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if (visited[_.util.objId(o)]) {
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return visited[_.util.objId(o)];
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}
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var clone = [];
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visited[_.util.objId(o)] = clone;
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o.forEach(function (v, i) {
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clone[i] = _.util.clone(v, visited);
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});
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return clone;
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}
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return o;
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}
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},
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languages: {
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extend: function (id, redef) {
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var lang = _.util.clone(_.languages[id]);
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for (var key in redef) {
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lang[key] = redef[key];
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}
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return lang;
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},
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/**
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* Insert a token before another token in a language literal
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* As this needs to recreate the object (we cannot actually insert before keys in object literals),
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* we cannot just provide an object, we need anobject and a key.
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* @param inside The key (or language id) of the parent
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* @param before The key to insert before. If not provided, the function appends instead.
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* @param insert Object with the key/value pairs to insert
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* @param root The object that contains `inside`. If equal to Prism.languages, it can be omitted.
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*/
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insertBefore: function (inside, before, insert, root) {
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root = root || _.languages;
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var grammar = root[inside];
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if (arguments.length == 2) {
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insert = arguments[1];
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for (var newToken in insert) {
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if (insert.hasOwnProperty(newToken)) {
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grammar[newToken] = insert[newToken];
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}
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}
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return grammar;
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}
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var ret = {};
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for (var token in grammar) {
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if (grammar.hasOwnProperty(token)) {
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if (token == before) {
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for (var newToken in insert) {
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if (insert.hasOwnProperty(newToken)) {
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ret[newToken] = insert[newToken];
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}
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}
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}
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ret[token] = grammar[token];
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}
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}
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// Update references in other language definitions
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_.languages.DFS(_.languages, function(key, value) {
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if (value === root[inside] && key != inside) {
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this[key] = ret;
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}
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});
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return root[inside] = ret;
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},
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// Traverse a language definition with Depth First Search
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DFS: function(o, callback, type, visited) {
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visited = visited || {};
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for (var i in o) {
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if (o.hasOwnProperty(i)) {
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callback.call(o, i, o[i], type || i);
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if (_.util.type(o[i]) === 'Object' && !visited[_.util.objId(o[i])]) {
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visited[_.util.objId(o[i])] = true;
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_.languages.DFS(o[i], callback, null, visited);
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}
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else if (_.util.type(o[i]) === 'Array' && !visited[_.util.objId(o[i])]) {
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visited[_.util.objId(o[i])] = true;
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_.languages.DFS(o[i], callback, i, visited);
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}
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}
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}
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}
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},
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plugins: {},
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highlightAll: function(async, callback) {
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_.highlightAllUnder(document, async, callback);
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},
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highlightAllUnder: function(container, async, callback) {
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var env = {
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callback: callback,
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selector: 'code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'
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};
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_.hooks.run("before-highlightall", env);
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var elements = env.elements || container.querySelectorAll(env.selector);
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for (var i=0, element; element = elements[i++];) {
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_.highlightElement(element, async === true, env.callback);
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}
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},
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highlightElement: function(element, async, callback) {
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// Find language
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var language, grammar, parent = element;
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while (parent && !lang.test(parent.className)) {
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parent = parent.parentNode;
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}
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if (parent) {
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language = (parent.className.match(lang) || [,''])[1].toLowerCase();
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grammar = _.languages[language];
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}
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// Set language on the element, if not present
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element.className = element.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
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if (element.parentNode) {
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// Set language on the parent, for styling
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parent = element.parentNode;
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if (/pre/i.test(parent.nodeName)) {
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parent.className = parent.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
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}
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}
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var code = element.textContent;
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var env = {
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element: element,
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language: language,
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grammar: grammar,
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code: code
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};
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_.hooks.run('before-sanity-check', env);
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if (!env.code || !env.grammar) {
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if (env.code) {
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_.hooks.run('before-highlight', env);
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env.element.textContent = env.code;
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_.hooks.run('after-highlight', env);
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}
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_.hooks.run('complete', env);
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return;
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}
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_.hooks.run('before-highlight', env);
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if (async && _self.Worker) {
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var worker = new Worker(_.filename);
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worker.onmessage = function(evt) {
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env.highlightedCode = evt.data;
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_.hooks.run('before-insert', env);
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env.element.innerHTML = env.highlightedCode;
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callback && callback.call(env.element);
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_.hooks.run('after-highlight', env);
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_.hooks.run('complete', env);
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};
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worker.postMessage(JSON.stringify({
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language: env.language,
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code: env.code,
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immediateClose: true
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}));
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}
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else {
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env.highlightedCode = _.highlight(env.code, env.grammar, env.language);
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_.hooks.run('before-insert', env);
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env.element.innerHTML = env.highlightedCode;
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callback && callback.call(element);
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_.hooks.run('after-highlight', env);
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_.hooks.run('complete', env);
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}
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},
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highlight: function (text, grammar, language) {
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var env = {
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code: text,
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grammar: grammar,
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language: language
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};
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_.hooks.run('before-tokenize', env);
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env.tokens = _.tokenize(env.code, env.grammar);
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_.hooks.run('after-tokenize', env);
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return Token.stringify(_.util.encode(env.tokens), env.language);
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},
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matchGrammar: function (text, strarr, grammar, index, startPos, oneshot, target) {
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var Token = _.Token;
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for (var token in grammar) {
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if(!grammar.hasOwnProperty(token) || !grammar[token]) {
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continue;
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}
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if (token == target) {
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return;
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}
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var patterns = grammar[token];
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patterns = (_.util.type(patterns) === "Array") ? patterns : [patterns];
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for (var j = 0; j < patterns.length; ++j) {
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var pattern = patterns[j],
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inside = pattern.inside,
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lookbehind = !!pattern.lookbehind,
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greedy = !!pattern.greedy,
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lookbehindLength = 0,
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alias = pattern.alias;
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if (greedy && !pattern.pattern.global) {
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// Without the global flag, lastIndex won't work
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var flags = pattern.pattern.toString().match(/[imuy]*$/)[0];
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pattern.pattern = RegExp(pattern.pattern.source, flags + "g");
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}
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pattern = pattern.pattern || pattern;
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// Don’t cache length as it changes during the loop
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for (var i = index, pos = startPos; i < strarr.length; pos += strarr[i].length, ++i) {
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var str = strarr[i];
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if (strarr.length > text.length) {
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// Something went terribly wrong, ABORT, ABORT!
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return;
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}
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if (str instanceof Token) {
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continue;
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}
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if (greedy && i != strarr.length - 1) {
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pattern.lastIndex = pos;
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var match = pattern.exec(text);
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if (!match) {
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break;
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}
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var from = match.index + (lookbehind ? match[1].length : 0),
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to = match.index + match[0].length,
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k = i,
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p = pos;
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for (var len = strarr.length; k < len && (p < to || (!strarr[k].type && !strarr[k - 1].greedy)); ++k) {
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p += strarr[k].length;
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// Move the index i to the element in strarr that is closest to from
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if (from >= p) {
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++i;
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pos = p;
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}
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}
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// If strarr[i] is a Token, then the match starts inside another Token, which is invalid
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if (strarr[i] instanceof Token) {
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continue;
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}
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// Number of tokens to delete and replace with the new match
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delNum = k - i;
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str = text.slice(pos, p);
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match.index -= pos;
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} else {
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pattern.lastIndex = 0;
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var match = pattern.exec(str),
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delNum = 1;
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}
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if (!match) {
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if (oneshot) {
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break;
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}
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continue;
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}
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if(lookbehind) {
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lookbehindLength = match[1] ? match[1].length : 0;
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}
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var from = match.index + lookbehindLength,
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match = match[0].slice(lookbehindLength),
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to = from + match.length,
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before = str.slice(0, from),
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after = str.slice(to);
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var args = [i, delNum];
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if (before) {
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++i;
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pos += before.length;
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args.push(before);
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}
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var wrapped = new Token(token, inside? _.tokenize(match, inside) : match, alias, match, greedy);
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args.push(wrapped);
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if (after) {
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args.push(after);
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}
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Array.prototype.splice.apply(strarr, args);
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if (delNum != 1)
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_.matchGrammar(text, strarr, grammar, i, pos, true, token);
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if (oneshot)
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break;
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}
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}
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}
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},
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tokenize: function(text, grammar, language) {
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var strarr = [text];
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var rest = grammar.rest;
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if (rest) {
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for (var token in rest) {
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grammar[token] = rest[token];
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}
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delete grammar.rest;
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}
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_.matchGrammar(text, strarr, grammar, 0, 0, false);
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return strarr;
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},
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hooks: {
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all: {},
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add: function (name, callback) {
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var hooks = _.hooks.all;
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hooks[name] = hooks[name] || [];
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hooks[name].push(callback);
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},
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run: function (name, env) {
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var callbacks = _.hooks.all[name];
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if (!callbacks || !callbacks.length) {
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return;
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}
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for (var i=0, callback; callback = callbacks[i++];) {
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callback(env);
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}
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}
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}
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};
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var Token = _.Token = function(type, content, alias, matchedStr, greedy) {
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this.type = type;
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this.content = content;
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this.alias = alias;
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// Copy of the full string this token was created from
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this.length = (matchedStr || "").length|0;
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this.greedy = !!greedy;
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};
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Token.stringify = function(o, language, parent) {
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if (typeof o == 'string') {
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return o;
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}
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if (_.util.type(o) === 'Array') {
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return o.map(function(element) {
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return Token.stringify(element, language, o);
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}).join('');
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}
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var env = {
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type: o.type,
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content: Token.stringify(o.content, language, parent),
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tag: 'span',
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classes: ['token', o.type],
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attributes: {},
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language: language,
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parent: parent
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};
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if (o.alias) {
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var aliases = _.util.type(o.alias) === 'Array' ? o.alias : [o.alias];
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Array.prototype.push.apply(env.classes, aliases);
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}
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_.hooks.run('wrap', env);
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var attributes = Object.keys(env.attributes).map(function(name) {
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return name + '="' + (env.attributes[name] || '').replace(/"/g, '"') + '"';
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}).join(' ');
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return '<' + env.tag + ' class="' + env.classes.join(' ') + '"' + (attributes ? ' ' + attributes : '') + '>' + env.content + '</' + env.tag + '>';
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};
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if (!_self.document) {
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if (!_self.addEventListener) {
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// in Node.js
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return _self.Prism;
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}
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if (!_.disableWorkerMessageHandler) {
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// In worker
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_self.addEventListener('message', function (evt) {
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var message = JSON.parse(evt.data),
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lang = message.language,
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code = message.code,
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immediateClose = message.immediateClose;
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_self.postMessage(_.highlight(code, _.languages[lang], lang));
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if (immediateClose) {
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_self.close();
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}
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}, false);
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}
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return _self.Prism;
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}
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//Get current script and highlight
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var script = document.currentScript || [].slice.call(document.getElementsByTagName("script")).pop();
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if (script) {
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_.filename = script.src;
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if (!_.manual && !script.hasAttribute('data-manual')) {
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if(document.readyState !== "loading") {
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if (window.requestAnimationFrame) {
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window.requestAnimationFrame(_.highlightAll);
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} else {
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window.setTimeout(_.highlightAll, 16);
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}
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}
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else {
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document.addEventListener('DOMContentLoaded', _.highlightAll);
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}
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}
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}
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return _self.Prism;
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})();
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if (typeof module !== 'undefined' && module.exports) {
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module.exports = Prism;
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}
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// hack for components to work correctly in node.js
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if (typeof global !== 'undefined') {
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global.Prism = Prism;
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}
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/* **********************************************
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Begin prism-markup.js
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********************************************** */
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Prism.languages.markup = {
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'comment': /<!--[\s\S]*?-->/,
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'prolog': /<\?[\s\S]+?\?>/,
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'doctype': /<!DOCTYPE[\s\S]+?>/i,
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'cdata': /<!\[CDATA\[[\s\S]*?]]>/i,
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'tag': {
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pattern: /<\/?(?!\d)[^\s>\/=$<%]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\[\s\S]|(?!\1)[^\\])*\1|[^\s'">=]+))?)*\s*\/?>/i,
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greedy: true,
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inside: {
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'tag': {
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pattern: /^<\/?[^\s>\/]+/i,
|
||
inside: {
|
||
'punctuation': /^<\/?/,
|
||
'namespace': /^[^\s>\/:]+:/
|
||
}
|
||
},
|
||
'attr-value': {
|
||
pattern: /=(?:("|')(?:\\[\s\S]|(?!\1)[^\\])*\1|[^\s'">=]+)/i,
|
||
inside: {
|
||
'punctuation': [
|
||
/^=/,
|
||
{
|
||
pattern: /(^|[^\\])["']/,
|
||
lookbehind: true
|
||
}
|
||
]
|
||
}
|
||
},
|
||
'punctuation': /\/?>/,
|
||
'attr-name': {
|
||
pattern: /[^\s>\/]+/,
|
||
inside: {
|
||
'namespace': /^[^\s>\/:]+:/
|
||
}
|
||
}
|
||
|
||
}
|
||
},
|
||
'entity': /&#?[\da-z]{1,8};/i
|
||
};
|
||
|
||
Prism.languages.markup['tag'].inside['attr-value'].inside['entity'] =
|
||
Prism.languages.markup['entity'];
|
||
|
||
// Plugin to make entity title show the real entity, idea by Roman Komarov
|
||
Prism.hooks.add('wrap', function(env) {
|
||
|
||
if (env.type === 'entity') {
|
||
env.attributes['title'] = env.content.replace(/&/, '&');
|
||
}
|
||
});
|
||
|
||
Prism.languages.xml = Prism.languages.markup;
|
||
Prism.languages.html = Prism.languages.markup;
|
||
Prism.languages.mathml = Prism.languages.markup;
|
||
Prism.languages.svg = Prism.languages.markup;
|
||
|
||
|
||
/* **********************************************
|
||
Begin prism-css.js
|
||
********************************************** */
|
||
|
||
Prism.languages.css = {
|
||
'comment': /\/\*[\s\S]*?\*\//,
|
||
'atrule': {
|
||
pattern: /@[\w-]+?.*?(?:;|(?=\s*\{))/i,
|
||
inside: {
|
||
'rule': /@[\w-]+/
|
||
// See rest below
|
||
}
|
||
},
|
||
'url': /url\((?:(["'])(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1|.*?)\)/i,
|
||
'selector': /[^{}\s][^{};]*?(?=\s*\{)/,
|
||
'string': {
|
||
pattern: /("|')(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
|
||
greedy: true
|
||
},
|
||
'property': /[-_a-z\xA0-\uFFFF][-\w\xA0-\uFFFF]*(?=\s*:)/i,
|
||
'important': /\B!important\b/i,
|
||
'function': /[-a-z0-9]+(?=\()/i,
|
||
'punctuation': /[(){};:]/
|
||
};
|
||
|
||
Prism.languages.css['atrule'].inside.rest = Prism.languages.css;
|
||
|
||
if (Prism.languages.markup) {
|
||
Prism.languages.insertBefore('markup', 'tag', {
|
||
'style': {
|
||
pattern: /(<style[\s\S]*?>)[\s\S]*?(?=<\/style>)/i,
|
||
lookbehind: true,
|
||
inside: Prism.languages.css,
|
||
alias: 'language-css',
|
||
greedy: true
|
||
}
|
||
});
|
||
|
||
Prism.languages.insertBefore('inside', 'attr-value', {
|
||
'style-attr': {
|
||
pattern: /\s*style=("|')(?:\\[\s\S]|(?!\1)[^\\])*\1/i,
|
||
inside: {
|
||
'attr-name': {
|
||
pattern: /^\s*style/i,
|
||
inside: Prism.languages.markup.tag.inside
|
||
},
|
||
'punctuation': /^\s*=\s*['"]|['"]\s*$/,
|
||
'attr-value': {
|
||
pattern: /.+/i,
|
||
inside: Prism.languages.css
|
||
}
|
||
},
|
||
alias: 'language-css'
|
||
}
|
||
}, Prism.languages.markup.tag);
|
||
}
|
||
|
||
/* **********************************************
|
||
Begin prism-clike.js
|
||
********************************************** */
|
||
|
||
Prism.languages.clike = {
|
||
'comment': [
|
||
{
|
||
pattern: /(^|[^\\])\/\*[\s\S]*?(?:\*\/|$)/,
|
||
lookbehind: true
|
||
},
|
||
{
|
||
pattern: /(^|[^\\:])\/\/.*/,
|
||
lookbehind: true,
|
||
greedy: true
|
||
}
|
||
],
|
||
'string': {
|
||
pattern: /(["'])(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
|
||
greedy: true
|
||
},
|
||
'class-name': {
|
||
pattern: /((?:\b(?:class|interface|extends|implements|trait|instanceof|new)\s+)|(?:catch\s+\())[\w.\\]+/i,
|
||
lookbehind: true,
|
||
inside: {
|
||
punctuation: /[.\\]/
|
||
}
|
||
},
|
||
'keyword': /\b(?:if|else|while|do|for|return|in|instanceof|function|new|try|throw|catch|finally|null|break|continue)\b/,
|
||
'boolean': /\b(?:true|false)\b/,
|
||
'function': /[a-z0-9_]+(?=\()/i,
|
||
'number': /\b0x[\da-f]+\b|(?:\b\d+\.?\d*|\B\.\d+)(?:e[+-]?\d+)?/i,
|
||
'operator': /--?|\+\+?|!=?=?|<=?|>=?|==?=?|&&?|\|\|?|\?|\*|\/|~|\^|%/,
|
||
'punctuation': /[{}[\];(),.:]/
|
||
};
|
||
|
||
|
||
/* **********************************************
|
||
Begin prism-javascript.js
|
||
********************************************** */
|
||
|
||
Prism.languages.javascript = Prism.languages.extend('clike', {
|
||
'keyword': /\b(?:as|async|await|break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|finally|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|var|void|while|with|yield)\b/,
|
||
'number': /\b(?:0[xX][\dA-Fa-f]+|0[bB][01]+|0[oO][0-7]+|NaN|Infinity)\b|(?:\b\d+\.?\d*|\B\.\d+)(?:[Ee][+-]?\d+)?/,
|
||
// Allow for all non-ASCII characters (See http://stackoverflow.com/a/2008444)
|
||
'function': /[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*\()/i,
|
||
'operator': /-[-=]?|\+[+=]?|!=?=?|<<?=?|>>?>?=?|=(?:==?|>)?|&[&=]?|\|[|=]?|\*\*?=?|\/=?|~|\^=?|%=?|\?|\.{3}/
|
||
});
|
||
|
||
Prism.languages.insertBefore('javascript', 'keyword', {
|
||
'regex': {
|
||
pattern: /((?:^|[^$\w\xA0-\uFFFF."'\])\s])\s*)\/(\[[^\]\r\n]+]|\\.|[^/\\\[\r\n])+\/[gimyu]{0,5}(?=\s*($|[\r\n,.;})\]]))/,
|
||
lookbehind: true,
|
||
greedy: true
|
||
},
|
||
// This must be declared before keyword because we use "function" inside the look-forward
|
||
'function-variable': {
|
||
pattern: /[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*=\s*(?:function\b|(?:\([^()]*\)|[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*)\s*=>))/i,
|
||
alias: 'function'
|
||
},
|
||
'constant': /\b[A-Z][A-Z\d_]*\b/
|
||
});
|
||
|
||
Prism.languages.insertBefore('javascript', 'string', {
|
||
'template-string': {
|
||
pattern: /`(?:\\[\s\S]|\${[^}]+}|[^\\`])*`/,
|
||
greedy: true,
|
||
inside: {
|
||
'interpolation': {
|
||
pattern: /\${[^}]+}/,
|
||
inside: {
|
||
'interpolation-punctuation': {
|
||
pattern: /^\${|}$/,
|
||
alias: 'punctuation'
|
||
},
|
||
rest: null // See below
|
||
}
|
||
},
|
||
'string': /[\s\S]+/
|
||
}
|
||
}
|
||
});
|
||
Prism.languages.javascript['template-string'].inside['interpolation'].inside.rest = Prism.languages.javascript;
|
||
|
||
if (Prism.languages.markup) {
|
||
Prism.languages.insertBefore('markup', 'tag', {
|
||
'script': {
|
||
pattern: /(<script[\s\S]*?>)[\s\S]*?(?=<\/script>)/i,
|
||
lookbehind: true,
|
||
inside: Prism.languages.javascript,
|
||
alias: 'language-javascript',
|
||
greedy: true
|
||
}
|
||
});
|
||
}
|
||
|
||
Prism.languages.js = Prism.languages.javascript;
|
||
|
||
|
||
/* **********************************************
|
||
Begin prism-file-highlight.js
|
||
********************************************** */
|
||
|
||
(function () {
|
||
if (typeof self === 'undefined' || !self.Prism || !self.document || !document.querySelector) {
|
||
return;
|
||
}
|
||
|
||
self.Prism.fileHighlight = function() {
|
||
|
||
var Extensions = {
|
||
'js': 'javascript',
|
||
'py': 'python',
|
||
'rb': 'ruby',
|
||
'ps1': 'powershell',
|
||
'psm1': 'powershell',
|
||
'sh': 'bash',
|
||
'bat': 'batch',
|
||
'h': 'c',
|
||
'tex': 'latex'
|
||
};
|
||
|
||
Array.prototype.slice.call(document.querySelectorAll('pre[data-src]')).forEach(function (pre) {
|
||
var src = pre.getAttribute('data-src');
|
||
|
||
var language, parent = pre;
|
||
var lang = /\blang(?:uage)?-([\w-]+)\b/i;
|
||
while (parent && !lang.test(parent.className)) {
|
||
parent = parent.parentNode;
|
||
}
|
||
|
||
if (parent) {
|
||
language = (pre.className.match(lang) || [, ''])[1];
|
||
}
|
||
|
||
if (!language) {
|
||
var extension = (src.match(/\.(\w+)$/) || [, ''])[1];
|
||
language = Extensions[extension] || extension;
|
||
}
|
||
|
||
var code = document.createElement('code');
|
||
code.className = 'language-' + language;
|
||
|
||
pre.textContent = '';
|
||
|
||
code.textContent = 'Loading…';
|
||
|
||
pre.appendChild(code);
|
||
|
||
var xhr = new XMLHttpRequest();
|
||
|
||
xhr.open('GET', src, true);
|
||
|
||
xhr.onreadystatechange = function () {
|
||
if (xhr.readyState == 4) {
|
||
|
||
if (xhr.status < 400 && xhr.responseText) {
|
||
code.textContent = xhr.responseText;
|
||
|
||
Prism.highlightElement(code);
|
||
}
|
||
else if (xhr.status >= 400) {
|
||
code.textContent = '✖ Error ' + xhr.status + ' while fetching file: ' + xhr.statusText;
|
||
}
|
||
else {
|
||
code.textContent = '✖ Error: File does not exist or is empty';
|
||
}
|
||
}
|
||
};
|
||
|
||
xhr.send(null);
|
||
});
|
||
|
||
if (Prism.plugins.toolbar) {
|
||
Prism.plugins.toolbar.registerButton('download-file', function (env) {
|
||
var pre = env.element.parentNode;
|
||
if (!pre || !/pre/i.test(pre.nodeName) || !pre.hasAttribute('data-src') || !pre.hasAttribute('data-download-link')) {
|
||
return;
|
||
}
|
||
var src = pre.getAttribute('data-src');
|
||
var a = document.createElement('a');
|
||
a.textContent = pre.getAttribute('data-download-link-label') || 'Download';
|
||
a.setAttribute('download', '');
|
||
a.href = src;
|
||
return a;
|
||
});
|
||
}
|
||
|
||
};
|
||
|
||
document.addEventListener('DOMContentLoaded', self.Prism.fileHighlight);
|
||
|
||
})(); |