408 lines
8.7 KiB
JavaScript
408 lines
8.7 KiB
JavaScript
(function () {
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if (typeof self === 'undefined' || !self.Prism || !self.document || !document.createElement) {
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return;
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}
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// The dependencies map is built automatically with gulp
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var lang_dependencies = /*dependencies_placeholder[*/{
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"javascript": "clike",
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"actionscript": "javascript",
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"arduino": "cpp",
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"aspnet": [
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"markup",
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"csharp"
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],
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"bison": "c",
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"c": "clike",
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"csharp": "clike",
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"cpp": "c",
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"coffeescript": "javascript",
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"crystal": "ruby",
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"css-extras": "css",
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"d": "clike",
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"dart": "clike",
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"django": "markup-templating",
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"ejs": [
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"javascript",
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"markup-templating"
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],
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"etlua": [
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"lua",
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"markup-templating"
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],
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"erb": [
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"ruby",
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"markup-templating"
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],
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"fsharp": "clike",
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"firestore-security-rules": "clike",
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"flow": "javascript",
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"ftl": "markup-templating",
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"glsl": "clike",
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"gml": "clike",
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"go": "clike",
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"groovy": "clike",
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"haml": "ruby",
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"handlebars": "markup-templating",
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"haxe": "clike",
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"java": "clike",
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"javadoc": [
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"markup",
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"java",
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"javadoclike"
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],
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"jolie": "clike",
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"jsdoc": [
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"javascript",
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"javadoclike"
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],
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"js-extras": "javascript",
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"js-templates": "javascript",
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"jsonp": "json",
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"json5": "json",
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"kotlin": "clike",
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"latte": [
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"clike",
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"markup-templating",
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"php"
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],
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"less": "css",
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"lilypond": "scheme",
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"markdown": "markup",
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"markup-templating": "markup",
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"n4js": "javascript",
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"nginx": "clike",
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"objectivec": "c",
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"opencl": "cpp",
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"parser": "markup",
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"php": [
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"clike",
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"markup-templating"
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],
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"phpdoc": [
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"php",
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"javadoclike"
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],
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"php-extras": "php",
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"plsql": "sql",
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"processing": "clike",
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"protobuf": "clike",
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"pug": [
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"markup",
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"javascript"
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],
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"qml": "javascript",
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"qore": "clike",
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"jsx": [
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"markup",
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"javascript"
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],
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"tsx": [
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"jsx",
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"typescript"
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],
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"reason": "clike",
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"ruby": "clike",
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"sass": "css",
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"scss": "css",
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"scala": "java",
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"shell-session": "bash",
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"smarty": "markup-templating",
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"solidity": "clike",
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"soy": "markup-templating",
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"sparql": "turtle",
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"sqf": "clike",
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"swift": "clike",
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"tap": "yaml",
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"textile": "markup",
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"tt2": [
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"clike",
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"markup-templating"
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],
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"twig": "markup",
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"typescript": "javascript",
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"t4-cs": [
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"t4-templating",
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"csharp"
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],
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"t4-vb": [
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"t4-templating",
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"visual-basic"
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],
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"vala": "clike",
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"vbnet": "basic",
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"velocity": "markup",
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"wiki": "markup",
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"xeora": "markup",
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"xquery": "markup"
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}/*]*/;
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var lang_aliases = /*aliases_placeholder[*/{
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"html": "markup",
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"xml": "markup",
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"svg": "markup",
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"mathml": "markup",
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"js": "javascript",
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"g4": "antlr4",
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"adoc": "asciidoc",
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"shell": "bash",
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"rbnf": "bnf",
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"cs": "csharp",
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"dotnet": "csharp",
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"coffee": "coffeescript",
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"jinja2": "django",
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"dns-zone": "dns-zone-file",
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"dockerfile": "docker",
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"gamemakerlanguage": "gml",
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"hs": "haskell",
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"tex": "latex",
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"context": "latex",
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"ly": "lilypond",
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"emacs": "lisp",
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"elisp": "lisp",
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"emacs-lisp": "lisp",
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"md": "markdown",
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"moon": "moonscript",
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"n4jsd": "n4js",
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"objectpascal": "pascal",
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"px": "pcaxis",
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"py": "python",
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"robot": "robotframework",
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"rb": "ruby",
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"rq": "sparql",
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"trig": "turtle",
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"ts": "typescript",
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"t4": "t4-cs",
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"vb": "visual-basic",
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"xeoracube": "xeora",
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"yml": "yaml"
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}/*]*/;
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/**
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* @typedef LangDataItem
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* @property {{ success?: () => void, error?: () => void }[]} callbacks
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* @property {boolean} [error]
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* @property {boolean} [loading]
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*/
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/** @type {Object<string, LangDataItem>} */
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var lang_data = {};
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var ignored_language = 'none';
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var languages_path = 'components/';
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var script = Prism.util.currentScript();
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if (script) {
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var autoloaderFile = /\bplugins\/autoloader\/prism-autoloader\.(?:min\.)js$/i;
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var prismFile = /[\w-]+\.(?:min\.)js$/i;
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if (script.hasAttribute('data-autoloader-path')) {
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// data-autoloader-path is set, so just use it
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languages_path = script.getAttribute('data-autoloader-path').trim().replace(/\/?$/, '/');
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} else {
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var src = script.src;
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if (autoloaderFile.test(src)) {
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// the script is the original autoloader script in the usual Prism project structure
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languages_path = src.replace(autoloaderFile, 'components/');
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} else if (prismFile.test(src)) {
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// the script is part of a bundle like a custom prism.js from the download page
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languages_path = src.replace(prismFile, 'components/');
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}
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}
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}
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var config = Prism.plugins.autoloader = {
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languages_path: languages_path,
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use_minified: true,
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loadLanguages: loadLanguages
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};
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/**
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* Lazily loads an external script.
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*
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* @param {string} src
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* @param {() => void} [success]
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* @param {() => void} [error]
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*/
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function addScript(src, success, error) {
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var s = document.createElement('script');
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s.src = src;
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s.async = true;
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s.onload = function () {
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document.body.removeChild(s);
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success && success();
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};
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s.onerror = function () {
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document.body.removeChild(s);
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error && error();
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};
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document.body.appendChild(s);
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}
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/**
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* Returns the path to a grammar, using the language_path and use_minified config keys.
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*
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* @param {string} lang
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* @returns {string}
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*/
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function getLanguagePath(lang) {
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return config.languages_path +
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'prism-' + lang
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+ (config.use_minified ? '.min' : '') + '.js'
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}
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/**
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* Tries to load the grammar(s) and once loaded, highlights the given element again.
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*
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* @param {string} lang
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* @param {HTMLElement} elt
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*/
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function registerElement(lang, elt) {
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if (lang in lang_aliases) {
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lang = lang_aliases[lang];
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}
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// Look for additional dependencies defined on the <code> or <pre> tags
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var deps = elt.getAttribute('data-dependencies');
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var parent = elt.parentElement;
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if (!deps && parent && parent.tagName.toLowerCase() === 'pre') {
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deps = parent.getAttribute('data-dependencies');
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}
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if (deps) {
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deps = deps.split(/\s*,\s*/g);
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} else {
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deps = [];
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}
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loadLanguages(deps, function () {
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loadLanguage(lang, function () {
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Prism.highlightElement(elt);
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});
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});
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}
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/**
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* Loads all given grammars concurrently.
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*
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* @param {string[]|string} languages
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* @param {(languages: string[]) => void} [success]
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* @param {(language: string) => void} [error] This callback will be invoked on the first language to fail.
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*/
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function loadLanguages(languages, success, error) {
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if (typeof languages === 'string') {
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languages = [languages];
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}
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var total = languages.length;
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var completed = 0;
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var failed = false;
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if (total === 0) {
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if (success) {
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setTimeout(success, 0);
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}
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return;
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}
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function successCallback() {
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if (failed) {
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return;
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}
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completed++;
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if (completed === total) {
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success && success(languages);
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}
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}
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languages.forEach(function (lang) {
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loadLanguage(lang, successCallback, function () {
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if (failed) {
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return;
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}
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failed = true;
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error && error(lang);
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});
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});
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}
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/**
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* Loads a grammar with its dependencies.
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*
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* @param {string} lang
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* @param {() => void} [success]
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* @param {() => void} [error]
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*/
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function loadLanguage(lang, success, error) {
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var force = lang.indexOf('!') >= 0;
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lang = lang.replace('!', '');
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lang = lang_aliases[lang] || lang;
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var load = function () {
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var data = lang_data[lang];
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if (!data) {
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data = lang_data[lang] = {
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callbacks: []
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};
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}
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data.callbacks.push({
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success: success,
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error: error
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});
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if (!force && Prism.languages[lang]) {
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languageCallback(lang, "success");
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} else if (!force && data.error) {
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languageCallback(lang, "error");
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} else if (force || !data.loading) {
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data.loading = true;
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var src = getLanguagePath(lang);
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addScript(src, function () {
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data.loading = false;
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languageCallback(lang, "success");
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}, function () {
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data.loading = false;
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data.error = true;
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languageCallback(lang, "error");
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});
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}
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};
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var dependencies = lang_dependencies[lang];
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if (dependencies && dependencies.length) {
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loadLanguages(dependencies, load, error);
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} else {
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load();
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}
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}
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/**
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* Runs all callbacks of the given type for the given language.
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*
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* @param {string} lang
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* @param {"success" | "error"} type
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*/
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function languageCallback(lang, type) {
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if (lang_data[lang]) {
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var callbacks = lang_data[lang].callbacks;
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for (var i = 0, l = callbacks.length; i < l; i++) {
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var callback = callbacks[i][type];
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if (callback) {
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setTimeout(callback, 0);
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}
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}
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callbacks.length = 0;
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}
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}
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Prism.hooks.add('complete', function (env) {
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if (env.element && env.language && !env.grammar) {
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if (env.language !== ignored_language) {
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registerElement(env.language, env.element);
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}
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}
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});
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}());
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