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46 lines
1.3 KiB
TypeScript
46 lines
1.3 KiB
TypeScript
import Prism from 'prismjs';
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import './prism';
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// if you are intending to use Prism functions manually, you will need to set:
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Prism.manual = true;
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// Mapping between extensions and prismjs language identifier
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// Only for those that are not already internally resolved by prismjs
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// https://prismjs.com/#supported-languages
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const languageMapping = Object.entries({
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applescript: ['scpt', 'scptd'],
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// This is not entirely correct, but better than nothing:
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// https://github.com/PrismJS/prism/issues/3656
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// https://github.com/PrismJS/prism/issues/3660
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sh: ['zsh', 'fish'],
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c: ['h'],
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cpp: ['hpp'],
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js: ['mjs'],
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crystal: ['cr'],
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cs: ['csx'],
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makefile: ['make'],
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nim: ['nims'],
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objc: ['m', 'mm'],
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ocaml: ['ml', 'mli', 'mll', 'mly'],
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perl: ['pl'],
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php: ['php', 'php1', 'php2', 'php3', 'php4', 'php5', 'php6', 'phps', 'phpt', 'phtml'],
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powershell: ['ps1', 'psd1', 'psm1'],
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rust: ['rs']
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}).reduce<Map<string, string>>((mapping, [id, exts]) => {
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for (const ext of exts) mapping.set(ext, id);
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return mapping;
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}, new Map());
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export const highlight = (code: string, ext: string) => {
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const language = languageMapping.get(ext) ?? ext;
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const grammar = Prism.languages[language];
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return grammar
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? {
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code: Prism.highlight(code, grammar, language),
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language
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}
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: null;
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};
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