1027 lines
26 KiB
JavaScript
1027 lines
26 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 (_self){
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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 _ = {
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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 (Array.isArray(tokens)) {
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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).slice(8, -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 deepClone(o, visited) {
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var clone, id, 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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id = _.util.objId(o);
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if (visited[id]) {
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return visited[id];
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}
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clone = {};
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visited[id] = clone;
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for (var key in o) {
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if (o.hasOwnProperty(key)) {
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clone[key] = deepClone(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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id = _.util.objId(o);
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if (visited[id]) {
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return visited[id];
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}
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clone = [];
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visited[id] = clone;
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o.forEach(function (v, i) {
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clone[i] = deepClone(v, visited);
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});
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return clone;
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default:
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return o;
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}
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},
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/**
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* Returns the Prism language of the given element set by a `language-xxxx` or `lang-xxxx` class.
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*
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* If no language is set for the element or the element is `null` or `undefined`, `none` will be returned.
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*
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* @param {Element} element
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* @returns {string}
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*/
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getLanguage: function (element) {
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while (element && !lang.test(element.className)) {
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element = element.parentElement;
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}
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if (element) {
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return (element.className.match(lang) || [, 'none'])[1].toLowerCase();
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}
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return 'none';
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},
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/**
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* Returns the script element that is currently executing.
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*
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* This does __not__ work for line script element.
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*
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* @returns {HTMLScriptElement | null}
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*/
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currentScript: function () {
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if (typeof document === 'undefined') {
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return null;
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}
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if ('currentScript' in document) {
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return document.currentScript;
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}
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// IE11 workaround
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// we'll get the src of the current script by parsing IE11's error stack trace
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// this will not work for inline scripts
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try {
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throw new Error();
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} catch (err) {
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// Get file src url from stack. Specifically works with the format of stack traces in IE.
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// A stack will look like this:
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//
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// Error
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// at _.util.currentScript (http://localhost/components/prism-core.js:119:5)
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// at Global code (http://localhost/components/prism-core.js:606:1)
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var src = (/at [^(\r\n]*\((.*):.+:.+\)$/i.exec(err.stack) || [])[1];
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if (src) {
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var scripts = document.getElementsByTagName('script');
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for (var i in scripts) {
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if (scripts[i].src == src) {
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return scripts[i];
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}
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}
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}
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return null;
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}
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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 an object 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.
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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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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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// Do not insert token which also occur in insert. See #1525
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if (!insert.hasOwnProperty(token)) {
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ret[token] = grammar[token];
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}
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}
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}
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var old = root[inside];
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root[inside] = ret;
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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 === old && key != inside) {
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this[key] = ret;
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}
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});
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return ret;
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},
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// Traverse a language definition with Depth First Search
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DFS: function DFS(o, callback, type, visited) {
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visited = visited || {};
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var objId = _.util.objId;
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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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var property = o[i],
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propertyType = _.util.type(property);
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if (propertyType === 'Object' && !visited[objId(property)]) {
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visited[objId(property)] = true;
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DFS(property, callback, null, visited);
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}
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else if (propertyType === 'Array' && !visited[objId(property)]) {
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visited[objId(property)] = true;
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DFS(property, 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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container: container,
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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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env.elements = Array.prototype.slice.apply(env.container.querySelectorAll(env.selector));
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_.hooks.run('before-all-elements-highlight', env);
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for (var i = 0, element; element = env.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 = _.util.getLanguage(element);
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var grammar = _.languages[language];
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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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// Set language on the parent, for styling
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var parent = element.parentNode;
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if (parent && parent.nodeName.toLowerCase() === 'pre') {
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parent.className = parent.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
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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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function insertHighlightedCode(highlightedCode) {
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env.highlightedCode = highlightedCode;
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_.hooks.run('before-insert', env);
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env.element.innerHTML = env.highlightedCode;
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_.hooks.run('after-highlight', env);
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_.hooks.run('complete', env);
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callback && callback.call(env.element);
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}
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_.hooks.run('before-sanity-check', env);
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if (!env.code) {
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_.hooks.run('complete', env);
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callback && callback.call(env.element);
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return;
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}
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_.hooks.run('before-highlight', env);
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if (!env.grammar) {
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insertHighlightedCode(_.util.encode(env.code));
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return;
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}
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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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insertHighlightedCode(evt.data);
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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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insertHighlightedCode(_.highlight(env.code, env.grammar, env.language));
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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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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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var patterns = grammar[token];
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patterns = Array.isArray(patterns) ? patterns : [patterns];
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for (var j = 0; j < patterns.length; ++j) {
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if (target && target == token + ',' + j) {
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return;
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}
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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(/[imsuy]*$/)[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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||
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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] ? 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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||
|
||
// 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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||
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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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||
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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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var from = match.index + lookbehindLength,
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match = match[0].slice(lookbehindLength),
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to = from + match.length,
|
||
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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||
|
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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);
|
||
}
|
||
|
||
var wrapped = new Token(token, inside? _.tokenize(match, inside) : match, alias, match, greedy);
|
||
|
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args.push(wrapped);
|
||
|
||
if (after) {
|
||
args.push(after);
|
||
}
|
||
|
||
Array.prototype.splice.apply(strarr, args);
|
||
|
||
if (delNum != 1)
|
||
_.matchGrammar(text, strarr, grammar, i, pos, true, token + ',' + j);
|
||
|
||
if (oneshot)
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
},
|
||
|
||
tokenize: function(text, grammar) {
|
||
var strarr = [text];
|
||
|
||
var rest = grammar.rest;
|
||
|
||
if (rest) {
|
||
for (var token in rest) {
|
||
grammar[token] = rest[token];
|
||
}
|
||
|
||
delete grammar.rest;
|
||
}
|
||
|
||
_.matchGrammar(text, strarr, grammar, 0, 0, false);
|
||
|
||
return strarr;
|
||
},
|
||
|
||
hooks: {
|
||
all: {},
|
||
|
||
add: function (name, callback) {
|
||
var hooks = _.hooks.all;
|
||
|
||
hooks[name] = hooks[name] || [];
|
||
|
||
hooks[name].push(callback);
|
||
},
|
||
|
||
run: function (name, env) {
|
||
var callbacks = _.hooks.all[name];
|
||
|
||
if (!callbacks || !callbacks.length) {
|
||
return;
|
||
}
|
||
|
||
for (var i=0, callback; callback = callbacks[i++];) {
|
||
callback(env);
|
||
}
|
||
}
|
||
},
|
||
|
||
Token: Token
|
||
};
|
||
|
||
_self.Prism = _;
|
||
|
||
function Token(type, content, alias, matchedStr, greedy) {
|
||
this.type = type;
|
||
this.content = content;
|
||
this.alias = alias;
|
||
// Copy of the full string this token was created from
|
||
this.length = (matchedStr || '').length|0;
|
||
this.greedy = !!greedy;
|
||
}
|
||
|
||
Token.stringify = function(o, language) {
|
||
if (typeof o == 'string') {
|
||
return o;
|
||
}
|
||
|
||
if (Array.isArray(o)) {
|
||
return o.map(function(element) {
|
||
return Token.stringify(element, language);
|
||
}).join('');
|
||
}
|
||
|
||
var env = {
|
||
type: o.type,
|
||
content: Token.stringify(o.content, language),
|
||
tag: 'span',
|
||
classes: ['token', o.type],
|
||
attributes: {},
|
||
language: language
|
||
};
|
||
|
||
if (o.alias) {
|
||
var aliases = Array.isArray(o.alias) ? o.alias : [o.alias];
|
||
Array.prototype.push.apply(env.classes, aliases);
|
||
}
|
||
|
||
_.hooks.run('wrap', env);
|
||
|
||
var attributes = Object.keys(env.attributes).map(function(name) {
|
||
return name + '="' + (env.attributes[name] || '').replace(/"/g, '"') + '"';
|
||
}).join(' ');
|
||
|
||
return '<' + env.tag + ' class="' + env.classes.join(' ') + '"' + (attributes ? ' ' + attributes : '') + '>' + env.content + '</' + env.tag + '>';
|
||
};
|
||
|
||
if (!_self.document) {
|
||
if (!_self.addEventListener) {
|
||
// in Node.js
|
||
return _;
|
||
}
|
||
|
||
if (!_.disableWorkerMessageHandler) {
|
||
// In worker
|
||
_self.addEventListener('message', function (evt) {
|
||
var message = JSON.parse(evt.data),
|
||
lang = message.language,
|
||
code = message.code,
|
||
immediateClose = message.immediateClose;
|
||
|
||
_self.postMessage(_.highlight(code, _.languages[lang], lang));
|
||
if (immediateClose) {
|
||
_self.close();
|
||
}
|
||
}, false);
|
||
}
|
||
|
||
return _;
|
||
}
|
||
|
||
//Get current script and highlight
|
||
var script = _.util.currentScript();
|
||
|
||
if (script) {
|
||
_.filename = script.src;
|
||
|
||
if (script.hasAttribute('data-manual')) {
|
||
_.manual = true;
|
||
}
|
||
}
|
||
|
||
if (!_.manual) {
|
||
function highlightAutomaticallyCallback() {
|
||
if (!_.manual) {
|
||
_.highlightAll();
|
||
}
|
||
}
|
||
|
||
// If the document state is "loading", then we'll use DOMContentLoaded.
|
||
// If the document state is "interactive" and the prism.js script is deferred, then we'll also use the
|
||
// DOMContentLoaded event because there might be some plugins or languages which have also been deferred and they
|
||
// might take longer one animation frame to execute which can create a race condition where only some plugins have
|
||
// been loaded when Prism.highlightAll() is executed, depending on how fast resources are loaded.
|
||
// See https://github.com/PrismJS/prism/issues/2102
|
||
var readyState = document.readyState;
|
||
if (readyState === 'loading' || readyState === 'interactive' && script && script.defer) {
|
||
document.addEventListener('DOMContentLoaded', highlightAutomaticallyCallback);
|
||
} else {
|
||
if (window.requestAnimationFrame) {
|
||
window.requestAnimationFrame(highlightAutomaticallyCallback);
|
||
} else {
|
||
window.setTimeout(highlightAutomaticallyCallback, 16);
|
||
}
|
||
}
|
||
}
|
||
|
||
return _;
|
||
|
||
})(_self);
|
||
|
||
if (typeof module !== 'undefined' && module.exports) {
|
||
module.exports = Prism;
|
||
}
|
||
|
||
// hack for components to work correctly in node.js
|
||
if (typeof global !== 'undefined') {
|
||
global.Prism = Prism;
|
||
}
|
||
|
||
|
||
/* **********************************************
|
||
Begin prism-markup.js
|
||
********************************************** */
|
||
|
||
Prism.languages.markup = {
|
||
'comment': /<!--[\s\S]*?-->/,
|
||
'prolog': /<\?[\s\S]+?\?>/,
|
||
'doctype': {
|
||
pattern: /<!DOCTYPE(?:[^>"'[\]]|"[^"]*"|'[^']*')+(?:\[(?:(?!<!--)[^"'\]]|"[^"]*"|'[^']*'|<!--[\s\S]*?-->)*\]\s*)?>/i,
|
||
greedy: true
|
||
},
|
||
'cdata': /<!\[CDATA\[[\s\S]*?]]>/i,
|
||
'tag': {
|
||
pattern: /<\/?(?!\d)[^\s>\/=$<%]+(?:\s(?:\s*[^\s>\/=]+(?:\s*=\s*(?:"[^"]*"|'[^']*'|[^\s'">=]+(?=[\s>]))|(?=[\s/>])))+)?\s*\/?>/i,
|
||
greedy: true,
|
||
inside: {
|
||
'tag': {
|
||
pattern: /^<\/?[^\s>\/]+/i,
|
||
inside: {
|
||
'punctuation': /^<\/?/,
|
||
'namespace': /^[^\s>\/:]+:/
|
||
}
|
||
},
|
||
'attr-value': {
|
||
pattern: /=\s*(?:"[^"]*"|'[^']*'|[^\s'">=]+)/i,
|
||
inside: {
|
||
'punctuation': [
|
||
/^=/,
|
||
{
|
||
pattern: /^(\s*)["']|["']$/,
|
||
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(/&/, '&');
|
||
}
|
||
});
|
||
|
||
Object.defineProperty(Prism.languages.markup.tag, 'addInlined', {
|
||
/**
|
||
* Adds an inlined language to markup.
|
||
*
|
||
* An example of an inlined language is CSS with `<style>` tags.
|
||
*
|
||
* @param {string} tagName The name of the tag that contains the inlined language. This name will be treated as
|
||
* case insensitive.
|
||
* @param {string} lang The language key.
|
||
* @example
|
||
* addInlined('style', 'css');
|
||
*/
|
||
value: function addInlined(tagName, lang) {
|
||
var includedCdataInside = {};
|
||
includedCdataInside['language-' + lang] = {
|
||
pattern: /(^<!\[CDATA\[)[\s\S]+?(?=\]\]>$)/i,
|
||
lookbehind: true,
|
||
inside: Prism.languages[lang]
|
||
};
|
||
includedCdataInside['cdata'] = /^<!\[CDATA\[|\]\]>$/i;
|
||
|
||
var inside = {
|
||
'included-cdata': {
|
||
pattern: /<!\[CDATA\[[\s\S]*?\]\]>/i,
|
||
inside: includedCdataInside
|
||
}
|
||
};
|
||
inside['language-' + lang] = {
|
||
pattern: /[\s\S]+/,
|
||
inside: Prism.languages[lang]
|
||
};
|
||
|
||
var def = {};
|
||
def[tagName] = {
|
||
pattern: RegExp(/(<__[\s\S]*?>)(?:<!\[CDATA\[[\s\S]*?\]\]>\s*|[\s\S])*?(?=<\/__>)/.source.replace(/__/g, tagName), 'i'),
|
||
lookbehind: true,
|
||
greedy: true,
|
||
inside: inside
|
||
};
|
||
|
||
Prism.languages.insertBefore('markup', 'cdata', def);
|
||
}
|
||
});
|
||
|
||
Prism.languages.xml = Prism.languages.extend('markup', {});
|
||
Prism.languages.html = Prism.languages.markup;
|
||
Prism.languages.mathml = Prism.languages.markup;
|
||
Prism.languages.svg = Prism.languages.markup;
|
||
|
||
|
||
/* **********************************************
|
||
Begin prism-css.js
|
||
********************************************** */
|
||
|
||
(function (Prism) {
|
||
|
||
var string = /("|')(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/;
|
||
|
||
Prism.languages.css = {
|
||
'comment': /\/\*[\s\S]*?\*\//,
|
||
'atrule': {
|
||
pattern: /@[\w-]+[\s\S]*?(?:;|(?=\s*\{))/,
|
||
inside: {
|
||
'rule': /@[\w-]+/
|
||
// See rest below
|
||
}
|
||
},
|
||
'url': {
|
||
pattern: RegExp('url\\((?:' + string.source + '|[^\n\r()]*)\\)', 'i'),
|
||
inside: {
|
||
'function': /^url/i,
|
||
'punctuation': /^\(|\)$/
|
||
}
|
||
},
|
||
'selector': RegExp('[^{}\\s](?:[^{};"\']|' + string.source + ')*?(?=\\s*\\{)'),
|
||
'string': {
|
||
pattern: string,
|
||
greedy: true
|
||
},
|
||
'property': /[-_a-z\xA0-\uFFFF][-\w\xA0-\uFFFF]*(?=\s*:)/i,
|
||
'important': /!important\b/i,
|
||
'function': /[-a-z0-9]+(?=\()/i,
|
||
'punctuation': /[(){};:,]/
|
||
};
|
||
|
||
Prism.languages.css['atrule'].inside.rest = Prism.languages.css;
|
||
|
||
var markup = Prism.languages.markup;
|
||
if (markup) {
|
||
markup.tag.addInlined('style', 'css');
|
||
|
||
Prism.languages.insertBefore('inside', 'attr-value', {
|
||
'style-attr': {
|
||
pattern: /\s*style=("|')(?:\\[\s\S]|(?!\1)[^\\])*\1/i,
|
||
inside: {
|
||
'attr-name': {
|
||
pattern: /^\s*style/i,
|
||
inside: markup.tag.inside
|
||
},
|
||
'punctuation': /^\s*=\s*['"]|['"]\s*$/,
|
||
'attr-value': {
|
||
pattern: /.+/i,
|
||
inside: Prism.languages.css
|
||
}
|
||
},
|
||
alias: 'language-css'
|
||
}
|
||
}, markup.tag);
|
||
}
|
||
|
||
}(Prism));
|
||
|
||
|
||
/* **********************************************
|
||
Begin prism-clike.js
|
||
********************************************** */
|
||
|
||
Prism.languages.clike = {
|
||
'comment': [
|
||
{
|
||
pattern: /(^|[^\\])\/\*[\s\S]*?(?:\*\/|$)/,
|
||
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+|\bcatch\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': /\w+(?=\()/,
|
||
'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', {
|
||
'class-name': [
|
||
Prism.languages.clike['class-name'],
|
||
{
|
||
pattern: /(^|[^$\w\xA0-\uFFFF])[_$A-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\.(?:prototype|constructor))/,
|
||
lookbehind: true
|
||
}
|
||
],
|
||
'keyword': [
|
||
{
|
||
pattern: /((?:^|})\s*)(?:catch|finally)\b/,
|
||
lookbehind: true
|
||
},
|
||
{
|
||
pattern: /(^|[^.]|\.\.\.\s*)\b(?:as|async(?=\s*(?:function\b|\(|[$\w\xA0-\uFFFF]|$))|await|break|case|class|const|continue|debugger|default|delete|do|else|enum|export|extends|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|undefined|var|void|while|with|yield)\b/,
|
||
lookbehind: true
|
||
},
|
||
],
|
||
'number': /\b(?:(?:0[xX](?:[\dA-Fa-f](?:_[\dA-Fa-f])?)+|0[bB](?:[01](?:_[01])?)+|0[oO](?:[0-7](?:_[0-7])?)+)n?|(?:\d(?:_\d)?)+n|NaN|Infinity)\b|(?:\b(?:\d(?:_\d)?)+\.?(?:\d(?:_\d)?)*|\B\.(?:\d(?:_\d)?)+)(?:[Ee][+-]?(?:\d(?:_\d)?)+)?/,
|
||
// Allow for all non-ASCII characters (See http://stackoverflow.com/a/2008444)
|
||
'function': /#?[_$a-zA-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*(?:\.\s*(?:apply|bind|call)\s*)?\()/,
|
||
'operator': /--|\+\+|\*\*=?|=>|&&|\|\||[!=]==|<<=?|>>>?=?|[-+*/%&|^!=<>]=?|\.{3}|\?[.?]?|[~:]/
|
||
});
|
||
|
||
Prism.languages.javascript['class-name'][0].pattern = /(\b(?:class|interface|extends|implements|instanceof|new)\s+)[\w.\\]+/;
|
||
|
||
Prism.languages.insertBefore('javascript', 'keyword', {
|
||
'regex': {
|
||
pattern: /((?:^|[^$\w\xA0-\uFFFF."'\])\s])\s*)\/(?:\[(?:[^\]\\\r\n]|\\.)*]|\\.|[^/\\\[\r\n])+\/[gimyus]{0,6}(?=(?:\s|\/\*[\s\S]*?\*\/)*(?:$|[\r\n,.;:})\]]|\/\/))/,
|
||
lookbehind: true,
|
||
greedy: true
|
||
},
|
||
// This must be declared before keyword because we use "function" inside the look-forward
|
||
'function-variable': {
|
||
pattern: /#?[_$a-zA-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*[=:]\s*(?:async\s*)?(?:\bfunction\b|(?:\((?:[^()]|\([^()]*\))*\)|[_$a-zA-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*)\s*=>))/,
|
||
alias: 'function'
|
||
},
|
||
'parameter': [
|
||
{
|
||
pattern: /(function(?:\s+[_$A-Za-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*)?\s*\(\s*)(?!\s)(?:[^()]|\([^()]*\))+?(?=\s*\))/,
|
||
lookbehind: true,
|
||
inside: Prism.languages.javascript
|
||
},
|
||
{
|
||
pattern: /[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*=>)/i,
|
||
inside: Prism.languages.javascript
|
||
},
|
||
{
|
||
pattern: /(\(\s*)(?!\s)(?:[^()]|\([^()]*\))+?(?=\s*\)\s*=>)/,
|
||
lookbehind: true,
|
||
inside: Prism.languages.javascript
|
||
},
|
||
{
|
||
pattern: /((?:\b|\s|^)(?!(?: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|undefined|var|void|while|with|yield)(?![$\w\xA0-\uFFFF]))(?:[_$A-Za-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*\s*)\(\s*)(?!\s)(?:[^()]|\([^()]*\))+?(?=\s*\)\s*\{)/,
|
||
lookbehind: true,
|
||
inside: Prism.languages.javascript
|
||
}
|
||
],
|
||
'constant': /\b[A-Z](?:[A-Z_]|\dx?)*\b/
|
||
});
|
||
|
||
Prism.languages.insertBefore('javascript', 'string', {
|
||
'template-string': {
|
||
pattern: /`(?:\\[\s\S]|\${(?:[^{}]|{(?:[^{}]|{[^}]*})*})+}|(?!\${)[^\\`])*`/,
|
||
greedy: true,
|
||
inside: {
|
||
'template-punctuation': {
|
||
pattern: /^`|`$/,
|
||
alias: 'string'
|
||
},
|
||
'interpolation': {
|
||
pattern: /((?:^|[^\\])(?:\\{2})*)\${(?:[^{}]|{(?:[^{}]|{[^}]*})*})+}/,
|
||
lookbehind: true,
|
||
inside: {
|
||
'interpolation-punctuation': {
|
||
pattern: /^\${|}$/,
|
||
alias: 'punctuation'
|
||
},
|
||
rest: Prism.languages.javascript
|
||
}
|
||
},
|
||
'string': /[\s\S]+/
|
||
}
|
||
}
|
||
});
|
||
|
||
if (Prism.languages.markup) {
|
||
Prism.languages.markup.tag.addInlined('script', 'javascript');
|
||
}
|
||
|
||
Prism.languages.js = Prism.languages.javascript;
|
||
|
||
|
||
/* **********************************************
|
||
Begin prism-file-highlight.js
|
||
********************************************** */
|
||
|
||
(function () {
|
||
if (typeof self === 'undefined' || !self.Prism || !self.document || !document.querySelector) {
|
||
return;
|
||
}
|
||
|
||
/**
|
||
* @param {Element} [container=document]
|
||
*/
|
||
self.Prism.fileHighlight = function(container) {
|
||
container = container || document;
|
||
|
||
var Extensions = {
|
||
'js': 'javascript',
|
||
'py': 'python',
|
||
'rb': 'ruby',
|
||
'ps1': 'powershell',
|
||
'psm1': 'powershell',
|
||
'sh': 'bash',
|
||
'bat': 'batch',
|
||
'h': 'c',
|
||
'tex': 'latex'
|
||
};
|
||
|
||
Array.prototype.slice.call(container.querySelectorAll('pre[data-src]')).forEach(function (pre) {
|
||
// ignore if already loaded
|
||
if (pre.hasAttribute('data-src-loaded')) {
|
||
return;
|
||
}
|
||
|
||
// load current
|
||
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);
|
||
// mark as loaded
|
||
pre.setAttribute('data-src-loaded', '');
|
||
}
|
||
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);
|
||
});
|
||
};
|
||
|
||
document.addEventListener('DOMContentLoaded', function () {
|
||
// execute inside handler, for dropping Event as argument
|
||
self.Prism.fileHighlight();
|
||
});
|
||
|
||
})();
|