blear.ui.code-highlight
Version:
代码高亮，基于 prism@1.17.1
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JavaScript
/* **********************************************
Begin prism-core.js
********************************************** */
var _self = (typeof window !== 'undefined')
? window // if in browser
: (
(typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope)
? self // if in worker
: {} // if in node js
);
/**
* Prism: Lightweight, robust, elegant syntax highlighting
* MIT license http://www.opensource.org/licenses/mit-license.php/
* @author Lea Verou http://lea.verou.me
*/
var Prism = (function (_self){
// Private helper vars
var lang = /\blang(?:uage)?-([\w-]+)\b/i;
var uniqueId = 0;
var _ = {
manual: _self.Prism && _self.Prism.manual,
disableWorkerMessageHandler: _self.Prism && _self.Prism.disableWorkerMessageHandler,
util: {
encode: function (tokens) {
if (tokens instanceof Token) {
return new Token(tokens.type, _.util.encode(tokens.content), tokens.alias);
} else if (Array.isArray(tokens)) {
return tokens.map(_.util.encode);
} else {
return tokens.replace(/&/g, '&').replace(/</g, '<').replace(/\u00a0/g, ' ');
}
},
type: function (o) {
return Object.prototype.toString.call(o).slice(8, -1);
},
objId: function (obj) {
if (!obj['__id']) {
Object.defineProperty(obj, '__id', { value: ++uniqueId });
}
return obj['__id'];
},
// Deep clone a language definition (e.g. to extend it)
clone: function deepClone(o, visited) {
var clone, id, type = _.util.type(o);
visited = visited || {};
switch (type) {
case 'Object':
id = _.util.objId(o);
if (visited[id]) {
return visited[id];
}
clone = {};
visited[id] = clone;
for (var key in o) {
if (o.hasOwnProperty(key)) {
clone[key] = deepClone(o[key], visited);
}
}
return clone;
case 'Array':
id = _.util.objId(o);
if (visited[id]) {
return visited[id];
}
clone = [];
visited[id] = clone;
o.forEach(function (v, i) {
clone[i] = deepClone(v, visited);
});
return clone;
default:
return o;
}
}
},
languages: {
extend: function (id, redef) {
var lang = _.util.clone(_.languages[id]);
for (var key in redef) {
lang[key] = redef[key];
}
return lang;
},
/**
* Insert a token before another token in a language literal
* As this needs to recreate the object (we cannot actually insert before keys in object literals),
* we cannot just provide an object, we need an object and a key.
* @param inside The key (or language id) of the parent
* @param before The key to insert before.
* @param insert Object with the key/value pairs to insert
* @param root The object that contains `inside`. If equal to Prism.languages, it can be omitted.
*/
insertBefore: function (inside, before, insert, root) {
root = root || _.languages;
var grammar = root[inside];
var ret = {};
for (var token in grammar) {
if (grammar.hasOwnProperty(token)) {
if (token == before) {
for (var newToken in insert) {
if (insert.hasOwnProperty(newToken)) {
ret[newToken] = insert[newToken];
}
}
}
// Do not insert token which also occur in insert. See #1525
if (!insert.hasOwnProperty(token)) {
ret[token] = grammar[token];
}
}
}
var old = root[inside];
root[inside] = ret;
// Update references in other language definitions
_.languages.DFS(_.languages, function(key, value) {
if (value === old && key != inside) {
this[key] = ret;
}
});
return ret;
},
// Traverse a language definition with Depth First Search
DFS: function DFS(o, callback, type, visited) {
visited = visited || {};
var objId = _.util.objId;
for (var i in o) {
if (o.hasOwnProperty(i)) {
callback.call(o, i, o[i], type || i);
var property = o[i],
propertyType = _.util.type(property);
if (propertyType === 'Object' && !visited[objId(property)]) {
visited[objId(property)] = true;
DFS(property, callback, null, visited);
}
else if (propertyType === 'Array' && !visited[objId(property)]) {
visited[objId(property)] = true;
DFS(property, callback, i, visited);
}
}
}
}
},
plugins: {},
highlightAll: function(async, callback) {
_.highlightAllUnder(document, async, callback);
},
highlightAllUnder: function(container, async, callback) {
var env = {
callback: callback,
// @update 2019年07月31日16:56:27
// selector: 'code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'
selector: '.prism > code'
};
_.hooks.run('before-highlightall', env);
var elements = container.querySelectorAll(env.selector);
for (var i=0, element; element = elements[i++];) {
_.highlightElement(element, async === true, env.callback);
}
},
highlightElement: function(element, async, callback) {
// Find language
// @update 2019年07月31日17:00:23
// var language = 'none', grammar, parent = element;
//
// while (parent && !lang.test(parent.className)) {
// parent = parent.parentNode;
// }
var language = 'none', grammar, parent = element.parentNode;
if (parent) {
// @update 2019年07月31日16:58:29
// language = (parent.className.match(lang) || [,'none'])[1].toLowerCase();
language = (parent.dataset.language || parent.dataset.lang || 'none').toLowerCase();
grammar = _.languages[language];
}
// @update 2019年07月31日17:01:51
// // Set language on the element, if not present
// element.className = element.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
//
// if (element.parentNode) {
// // Set language on the parent, for styling
// parent = element.parentNode;
//
// if (/pre/i.test(parent.nodeName)) {
// parent.className = parent.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
// }
// }
var code = element.textContent;
var env = {
element: element,
language: language,
grammar: grammar,
code: code
};
var insertHighlightedCode = function (highlightedCode) {
env.highlightedCode = highlightedCode;
_.hooks.run('before-insert', env);
env.element.innerHTML = env.highlightedCode;
_.hooks.run('after-highlight', env);
_.hooks.run('complete', env);
callback && callback.call(env.element);
};
_.hooks.run('before-sanity-check', env);
if (!env.code) {
_.hooks.run('complete', env);
return;
}
_.hooks.run('before-highlight', env);
if (!env.grammar) {
insertHighlightedCode(_.util.encode(env.code));
return;
}
if (async && _self.Worker) {
var worker = new Worker(_.filename);
worker.onmessage = function(evt) {
insertHighlightedCode(evt.data);
};
worker.postMessage(JSON.stringify({
language: env.language,
code: env.code,
immediateClose: true
}));
}
else {
insertHighlightedCode(_.highlight(env.code, env.grammar, env.language));
}
},
highlight: function (text, grammar, language) {
var env = {
code: text,
grammar: grammar,
language: language
};
_.hooks.run('before-tokenize', env);
env.tokens = _.tokenize(env.code, env.grammar);
_.hooks.run('after-tokenize', env);
return Token.stringify(_.util.encode(env.tokens), env.language);
},
matchGrammar: function (text, strarr, grammar, index, startPos, oneshot, target) {
for (var token in grammar) {
if(!grammar.hasOwnProperty(token) || !grammar[token]) {
continue;
}
if (token == target) {
return;
}
var patterns = grammar[token];
patterns = (_.util.type(patterns) === "Array") ? patterns : [patterns];
for (var j = 0; j < patterns.length; ++j) {
var pattern = patterns[j],
inside = pattern.inside,
lookbehind = !!pattern.lookbehind,
greedy = !!pattern.greedy,
lookbehindLength = 0,
alias = pattern.alias;
if (greedy && !pattern.pattern.global) {
// Without the global flag, lastIndex won't work
var flags = pattern.pattern.toString().match(/[imuy]*$/)[0];
pattern.pattern = RegExp(pattern.pattern.source, flags + "g");
}
pattern = pattern.pattern || pattern;
// Don’t cache length as it changes during the loop
for (var i = index, pos = startPos; i < strarr.length; pos += strarr[i].length, ++i) {
var str = strarr[i];
if (strarr.length > text.length) {
// Something went terribly wrong, ABORT, ABORT!
return;
}
if (str instanceof Token) {
continue;
}
if (greedy && i != strarr.length - 1) {
pattern.lastIndex = pos;
var match = pattern.exec(text);
if (!match) {
break;
}
var from = match.index + (lookbehind ? match[1].length : 0),
to = match.index + match[0].length,
k = i,
p = pos;
for (var len = strarr.length; k < len && (p < to || (!strarr[k].type && !strarr[k - 1].greedy)); ++k) {
p += strarr[k].length;
// Move the index i to the element in strarr that is closest to from
if (from >= p) {
++i;
pos = p;
}
}
// If strarr[i] is a Token, then the match starts inside another Token, which is invalid
if (strarr[i] instanceof Token) {
continue;
}
// Number of tokens to delete and replace with the new match
delNum = k - i;
str = text.slice(pos, p);
match.index -= pos;
} else {
pattern.lastIndex = 0;
var match = pattern.exec(str),
delNum = 1;
}
if (!match) {
if (oneshot) {
break;
}
continue;
}
if(lookbehind) {
lookbehindLength = match[1] ? match[1].length : 0;
}
var from = match.index + lookbehindLength,
match = match[0].slice(lookbehindLength),
to = from + match.length,
before = str.slice(0, from),
after = str.slice(to);
var args = [i, delNum];
if (before) {
++i;
pos += before.length;
args.push(before);
}
var wrapped = new Token(token, inside? _.tokenize(match, inside) : match, alias, match, greedy);
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);
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 = document.currentScript || [].slice.call(document.getElementsByTagName("script")).pop();
if (script) {
_.filename = script.src;
if (!_.manual && !script.hasAttribute('data-manual')) {
if(document.readyState !== "loading") {
if (window.requestAnimationFrame) {
window.requestAnimationFrame(_.highlightAll);
} else {
window.setTimeout(_.highlightAll, 16);
}
}
else {
document.addEventListener('DOMContentLoaded', _.highlightAll);
}
}
}
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;
}
// @update 2019年07月31日18:02:24
// /* **********************************************
// Begin prism-markup.js
// ********************************************** */
//
// Prism.languages.markup = {
// 'comment': /<!--[\s\S]*?-->/,
// 'prolog': /<\?[\s\S]+?\?>/,
// 'doctype': /<!DOCTYPE[\s\S]+?>/i,
// '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+)|(?: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': /\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: /(^|[^.])\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*($|[\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);
// });
//
// 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', function () {
// // execute inside handler, for dropping Event as argument
// self.Prism.fileHighlight();
// });
//
// })();