mirror of
https://github.com/Mintplex-Labs/anything-llm.git
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35 lines
2.0 KiB
JavaScript
35 lines
2.0 KiB
JavaScript
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// What is this script?
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// We want to support code syntax highlighting in the embed modal, but we cannot afford to have the static build
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// be large in size. To prevent HighlightJs from loading all 193+ language stylings and bloating the script, we instead take a large subset that
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// covers most languages and then dynamically build and register each language since HLJS cannot just register with an array of langs.
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// Since the embed is a single script - we need to statically import each library and register that associate language.
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// we can then export this as a custom implementation of HLJS and call it a day and keep the bundle small.
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import fs from 'fs'
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const SUPPORTED_HIGHLIGHTS = ['apache', 'bash', 'c', 'cpp', 'csharp', 'css', 'diff', 'go', 'graphql', 'ini', 'java', 'javascript', 'json', 'kotlin', 'less', 'lua', 'makefile', 'markdown', 'nginx', 'objectivec', 'perl', 'pgsql', 'php', 'php-template', 'plaintext', 'python', 'python-repl', 'r', 'ruby', 'rust', 'scss', 'shell', 'sql', 'swift', 'typescript', 'vbnet', 'wasm', 'xml', 'yaml'];
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function quickClean(input) {
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return input.replace(/[^a-zA-Z0-9]/g, '');
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}
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let content = `/*
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This is a dynamically generated file to help de-bloat the app since this script is a static bundle.
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You should not modify this file directly. You can regenerate it with "node scripts/updateHljs.mjd" from the embed folder.
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Last generated ${(new Date).toDateString()}
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----------------------
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*/\n\n`
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content += 'import hljs from "highlight.js/lib/core";\n';
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SUPPORTED_HIGHLIGHTS.forEach((lang) => {
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content += `import ${quickClean(lang)}HljsSupport from 'highlight.js/lib/languages/${lang}'\n`;
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});
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SUPPORTED_HIGHLIGHTS.forEach((lang) => {
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content += ` hljs.registerLanguage('${lang}', ${quickClean(lang)}HljsSupport)\n`;
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})
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content += `// The above should now register on the languages we wish to support statically.\n`;
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content += `export const staticHljs = hljs;\n`
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fs.writeFileSync('src/utils/chat/hljs.js', content, { encoding: 'utf8' })
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console.log(`Static build of HLJS completed - src/utils/chat/hljs.js`)
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