mirror of
https://github.com/withastro/astro.git
synced 2024-12-23 21:53:55 -05:00
72ae661e9e
* Add support for syntax highlighting of code blocks * Escape usage of backtick strings * Add workspace root for snowpack * Use prismjs/components as an external module
42 lines
No EOL
871 B
Text
42 lines
No EOL
871 B
Text
---
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import Prism from 'prismjs';
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import { addAstro } from '../astro-prism/index.mjs';
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import * as loadLanguages from 'prismjs/components/';
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export let lang;
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export let code;
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const languageMap = new Map([
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['ts', 'typescript']
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]);
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if(lang == null) {
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console.warn('Prism.astro: No language provided.');
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}
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const ensureLoaded = lang => {
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if(!Prism.languages[lang]) {
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loadLanguages([lang]);
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}
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};
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if(languageMap.has(lang)) {
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ensureLoaded(languageMap.get(lang));
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} else if(lang === 'astro') {
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ensureLoaded('typescript');
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addAstro(Prism);
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} else {
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ensureLoaded(lang);
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}
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if(!Prism.languages[lang]) {
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console.warn(`Unable to load the language: ${lang}`);
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}
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const grammar = Prism.languages[lang];
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let html = Prism.highlight(code, grammar, lang);
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let className = `language-${lang}`;
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---
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<pre class={className}><code class={className}>{html}</code></pre> |