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95 lines
2.5 KiB
JavaScript
95 lines
2.5 KiB
JavaScript
import * as shiki from 'shiki'
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import onigasm from 'shiki/dist/onig.wasm?url'
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import theme from 'shiki/themes/material-darker.json'
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import langHTML from 'shiki/languages/html.tmLanguage.json'
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import langJS from 'shiki/languages/javascript.tmLanguage.json'
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import langJSX from 'shiki/languages/jsx.tmLanguage.json'
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import langTS from 'shiki/languages/typescript.tmLanguage.json'
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import langTSX from 'shiki/languages/tsx.tmLanguage.json'
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import langVueHTML from 'shiki/languages/vue-html.tmLanguage.json'
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import langVue from 'shiki/languages/vue.tmLanguage.json'
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import langCSS from 'shiki/languages/css.tmLanguage.json'
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import langSCSS from 'shiki/languages/scss.tmLanguage.json'
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let highlighter = null
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async function init() {
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if (highlighter) {
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return highlighter
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}
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const arrayBuffer = await fetch(onigasm).then(response => response.arrayBuffer())
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shiki.setOnigasmWASM(arrayBuffer)
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highlighter = await shiki.getHighlighter({
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theme,
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langs: [
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{
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id: 'html',
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scopeName: langHTML.scopeName,
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grammar: langHTML,
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embeddedLangs: ['javascript', 'css'],
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},
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{
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id: 'javascript',
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scopeName: langJS.scopeName,
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grammar: langJS,
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aliases: ['js'],
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},
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{
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id: 'jsx',
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scopeName: langJSX.scopeName,
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grammar: langJSX,
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},
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{
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id: 'typescript',
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scopeName: langTS.scopeName,
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grammar: langTS,
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aliases: ['ts'],
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},
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{
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id: 'tsx',
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scopeName: langTSX.scopeName,
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grammar: langTSX,
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},
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{
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id: 'vue-html',
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scopeName: langVueHTML.scopeName,
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grammar: langVueHTML,
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embeddedLangs: ['vue', 'javascript'],
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},
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{
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id: 'vue',
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scopeName: langVue.scopeName,
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grammar: langVue,
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embeddedLangs: ['json', 'markdown', 'pug', 'haml', 'vue-html', 'sass', 'scss', 'less', 'stylus', 'postcss', 'css', 'typescript', 'coffee', 'javascript'],
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},
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{
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id: 'css',
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scopeName: langCSS.scopeName,
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grammar: langCSS,
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},
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{
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id: 'scss',
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scopeName: langSCSS.scopeName,
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grammar: langSCSS,
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embeddedLangs: ['css'],
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},
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],
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})
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return highlighter
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}
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// eslint-disable-next-line
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self.addEventListener('message', async event => {
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init().then(() => {
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const { code, language } = event.data
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const html = highlighter.codeToHtml(code, language)
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// eslint-disable-next-line
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self.postMessage({ code, language, html })
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})
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})
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