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56 lines
1.7 KiB
TypeScript
56 lines
1.7 KiB
TypeScript
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import * as Prism from 'prismjs';
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import 'prismjs/components/prism-actionscript.js';
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import 'prismjs/components/prism-c.js';
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import 'prismjs/components/prism-cpp.js';
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import 'prismjs/components/prism-csharp.js';
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import 'prismjs/components/prism-php.js';
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import 'prismjs/components/prism-coffeescript.js';
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import 'prismjs/components/prism-go.js';
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import 'prismjs/components/prism-haskell.js';
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import 'prismjs/components/prism-java.js';
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import 'prismjs/components/prism-lua.js';
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import 'prismjs/components/prism-matlab.js';
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import 'prismjs/components/prism-perl.js';
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import 'prismjs/components/prism-python.js';
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import 'prismjs/components/prism-r.js';
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import 'prismjs/components/prism-ruby.js';
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import 'prismjs/components/prism-bash.js';
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import 'prismjs/components/prism-swift.js';
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import 'prismjs/components/prism-objectivec.js';
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import 'prismjs/components/prism-scala.js';
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import 'prismjs/components/prism-markup.js'; // xml
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import 'prismjs/themes/prism-dark.css'; // dark theme
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const DEFAULT_LANG = 'clike';
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/**
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* map language names to Prism.js names
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*/
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function mapLang(lang: string): string {
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return (
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{
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json: 'js',
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'c++': 'cpp',
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'c#': 'csharp',
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'objective-c': 'objectivec',
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shell: 'bash',
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viml: 'vim',
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}[lang] || DEFAULT_LANG
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);
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}
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/**
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* Highlight source code string using Prism.js
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* @param source source code to highlight
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* @param lang highlight language
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* @return highlighted souce code as **html string**
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*/
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export function highlight(source: string, lang: string): string {
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let grammar = Prism.languages[lang];
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if (!grammar) {
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grammar = Prism.languages[mapLang(lang)];
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}
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return Prism.highlight(source, grammar);
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}
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