112 lines
4.3 KiB
JavaScript
112 lines
4.3 KiB
JavaScript
"use strict";
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const languages = {
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sass: /^sass$/i,
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// https://github.com/Microsoft/vscode/blob/master/extensions/scss/package.json
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scss: /^scss$/i,
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// https://github.com/Microsoft/vscode/blob/master/extensions/less/package.json
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less: /^less$/i,
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// https://github.com/MhMadHamster/vscode-postcss-language/blob/master/package.json
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sugarss: /^s(?:ugar)?ss$/i,
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// https://github.com/d4rkr00t/language-stylus/blob/master/package.json
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stylus: /^styl(?:us)?$/i,
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// WXSS(WeiXin Style Sheets) See: https://developers.weixin.qq.com/miniprogram/dev/framework/view/wxss.html
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// acss(AntFinancial Style Sheet) See: https://docs.alipay.com/mini/framework/acss
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// `*.pcss`, `*.postcss`
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// https://github.com/Microsoft/vscode/blob/master/extensions/css/package.json
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// https://github.com/rcsole/postcss-syntax/blob/master/package.json
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css: /^(?:wx|\w*c)ss$/i,
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};
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const extracts = {
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// https://github.com/Microsoft/vscode/blob/master/extensions/javascript/package.json
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// https://github.com/Microsoft/vscode/blob/master/extensions/typescript-basics/package.json
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// https://github.com/michaelgmcd/vscode-language-babel/blob/master/package.json
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jsx: /^(?:m?[jt]sx?|es\d*|pac|babel|flow)$/i,
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// *.*html? HTML https://github.com/Microsoft/vscode/blob/master/extensions/html/package.json
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// *.xslt? XSLT https://msdn.microsoft.com/en-us/library/ms764661(v=vs.85).aspx
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// *.vue VUE https://vue-loader.vuejs.org/spec.html
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// *.wpy WePY https://github.com/Tencent/wepy/blob/master/docs/md/doc.md#wpy文件说明
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// *.ux quickapp https://doc.quickapp.cn/framework/source-file.html
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// *.php* PHP https://github.com/Microsoft/vscode/blob/master/extensions/php/package.json
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// *.twig Twig https://github.com/mblode/vscode-twig-language/blob/master/package.json
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// *.liquid Liquid https://github.com/GingerBear/vscode-liquid/blob/master/package.json
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// *.svelte Svelte https://github.com/UnwrittenFun/svelte-vscode/blob/master/package.json
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html: /^(?:\w*html?|xht|xslt?|mdoc|jsp|aspx?|volt|ejs|vue|wpy|ux|php\d*|ctp|twig|liquid|svelte)$/i,
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// https://github.com/Microsoft/vscode/blob/master/extensions/markdown-basics/package.json
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markdown: /^(?:m(?:ark)?d(?:ow)?n|mk?d)$/i,
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// https://github.com/Microsoft/vscode/blob/master/extensions/xml/package.json
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xml: /^(?:xml|xsd|ascx|atom|axml|bpmn|config|cpt|csl|csproj|csproj|user|dita|ditamap|dtd|dtml|fsproj|fxml|iml|isml|jmx|launch|menu|mxml|nuspec|opml|owl|proj|props|pt|publishsettings|pubxml|pubxml|user|rdf|rng|rss|shproj|storyboard|svg|targets|tld|tmx|vbproj|vbproj|user|vcxproj|vcxproj|filters|wsdl|wxi|wxl|wxs|xaml|xbl|xib|xlf|xliff|xpdl|xul|xoml)$/i,
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};
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function sourceType (source) {
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source = source && source.trim();
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if (!source) {
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return;
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}
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let extract;
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if (
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// start with strict mode
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// start with import code
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// start with require code
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/^(?:(?:\/\/[^\r\n]*\r?\n|\/\*.*?\*\/)\s*)*(?:(?:("|')use strict\1|import(?:\s+[^;]+\s+from)?\s+("|')[^'"]+?\2|export\s+[^;]+\s+[^;]+)\s*(;|\r?\n|$)|(?:(?:var|let|const)\s+[^;]+\s*=\s*)?(?:require|import)\(.+\))/.test(source) ||
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// https://en.wikipedia.org/wiki/Shebang_(Unix)
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(/^#!([^\r\n]+)/.test(source) && /(?:^|\s+|\/)(?:ts-)?node(?:\.\w+)?(?:\s+|$)$/.test(RegExp.$1))
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) {
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extract = "jsx";
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} else if (
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/^(?:<\?.*?\?>\s*)*<(?:!DOCTYPE\s+)?html(\s+[^<>]*)?>/i.test(source) ||
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/^<\?php(?:\s+[\s\S]*)?(?:\?>|$)/.test(source)
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) {
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extract = "html";
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} else if (/^<\?xml(\s+[^<>]*)?\?>/i.test(source)) {
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// https://msdn.microsoft.com/en-us/library/ms764661(v=vs.85).aspx
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if (/<xsl:\w+\b[^<>]*>/.test(source) || /<\/xsl:\w+>/i.test(source)) {
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extract = "html";
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} else {
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extract = "xml";
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}
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} else if (/^(?:#+\s+\S+|\S+[^\r\n]*\r?\n=+(\r?\n|$))/.test(source)) {
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extract = "markdown";
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} else if (/<(\w+)(?:\s+[^<>]*)?>[\s\S]*?<\/\1>/.test(source)) {
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extract = "html";
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} else {
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return;
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}
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return {
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extract,
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};
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}
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function extType (extName, languages) {
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for (const langName in languages) {
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if (languages[langName].test(extName)) {
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return langName;
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}
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}
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}
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function fileType (file) {
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if (file && /\.(\w+)(?:[?#].*?)?$/.test(file)) {
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const extName = RegExp.$1;
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const extract = extType(extName, extracts);
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if (extract) {
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return {
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extract,
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};
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}
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const lang = extType(extName, languages);
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if (lang) {
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return {
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lang,
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};
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}
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}
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}
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function getLang (file, source) {
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return fileType(file) || sourceType(source);
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}
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module.exports = getLang;
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