70 lines
2.1 KiB
JavaScript
70 lines
2.1 KiB
JavaScript
/**
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* Build script: copy src → dist, minify JS/CSS, inline critical CSS (Critters).
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* Run with: pnpm build
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*/
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import { rmSync, mkdirSync, readFileSync, writeFileSync, cpSync, readdirSync } from 'fs'
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import { join, dirname, extname } from 'path'
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import { fileURLToPath } from 'url'
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import Critters from 'critters'
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import { minify as minifyJs } from 'terser'
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import CleanCSS from 'clean-css'
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const __dirname = dirname(fileURLToPath(import.meta.url))
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const root = join(__dirname, '..')
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const srcDir = join(root, 'src')
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const distDir = join(root, 'dist')
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function getFiles(dir, files = []) {
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const entries = readdirSync(dir, { withFileTypes: true })
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for (const e of entries) {
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const full = join(dir, e.name)
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if (e.isDirectory()) getFiles(full, files)
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else files.push(full)
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}
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return files
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}
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async function main() {
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// 1. Clean and copy src → dist
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rmSync(distDir, { recursive: true, force: true })
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mkdirSync(distDir, { recursive: true })
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cpSync(srcDir, distDir, { recursive: true })
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const distFiles = getFiles(distDir)
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// 2. Minify JS
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const jsFiles = distFiles.filter((f) => extname(f) === '.js')
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for (const f of jsFiles) {
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const code = readFileSync(f, 'utf8')
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const result = await minifyJs(code, { format: { comments: false } })
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if (result.code) writeFileSync(f, result.code)
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}
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// 3. Minify CSS
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const cleanCss = new CleanCSS({ level: 2 })
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const cssFiles = distFiles.filter((f) => extname(f) === '.css')
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for (const f of cssFiles) {
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const code = readFileSync(f, 'utf8')
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const result = cleanCss.minify(code)
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if (!result.errors.length) writeFileSync(f, result.styles)
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}
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// 4. Inline critical CSS with Critters (no browser; works in CI)
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const critters = new Critters({
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path: distDir,
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preload: 'default',
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logLevel: 'warn',
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})
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const indexPath = join(distDir, 'index.html')
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const html = readFileSync(indexPath, 'utf8')
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const inlined = await critters.process(html)
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writeFileSync(indexPath, inlined)
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console.log('Build complete: dist/')
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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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