41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
JavaScript
/**
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* Inline critical CSS into built HTML using Beasties.
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* Run after vite build; reads/writes build/.
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*/
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import { readFileSync, writeFileSync, readdirSync } from 'fs';
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import { join, dirname } from 'path';
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import { fileURLToPath } from 'url';
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import Beasties from 'beasties';
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const __dirname = dirname(fileURLToPath(import.meta.url));
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const buildDir = join(__dirname, '..', 'build');
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function getFiles(dir, ext, files = []) {
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for (const name of readdirSync(dir, { withFileTypes: true })) {
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const full = join(dir, name.name);
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if (name.isDirectory()) getFiles(full, ext, files);
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else if (name.name.endsWith(ext)) files.push(full);
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}
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return files;
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}
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const beasties = new Beasties({
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path: buildDir,
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preload: 'default',
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logLevel: 'warn'
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});
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async function main() {
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const htmlFiles = getFiles(buildDir, '.html');
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for (const htmlFile of htmlFiles) {
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const html = readFileSync(htmlFile, 'utf8');
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const inlined = await beasties.process(html);
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writeFileSync(htmlFile, inlined);
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}
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console.log('Critical CSS inlined:', htmlFiles.length, 'file(s)');
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}
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main().catch((err) => {
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console.error(err);
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process.exit(1);
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});
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