[READ-ONLY] Mirror of https://github.com/sxzz/obug. A lightweight JavaScript debugging utility, forked from debug, featuring TypeScript and ESM support.
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162import { Buffer } from 'node:buffer'import { mkdtemp, readdir, readFile, rm, writeFile } from 'node:fs/promises'import { tmpdir } from 'node:os'import { resolve } from 'node:path'import { gzipSync } from 'node:zlib'import { build } from 'tsdown'import buildConfig from '../tsdown.config.ts'
const root = resolve(import.meta.dirname, '..')const readmePath = resolve(root, 'README.md')const readme = await readFile(readmePath, 'utf8')const section = /^- ✨ Minimal footprint\r?\n(?: {2}[^\r\n]*\r?\n)*/mif (!section.test(readme)) { throw new Error('Cannot find the Minimal footprint section in README.md')}
const outDir = await mkdtemp(resolve(tmpdir(), 'obug-bundle-size-'))const sizes: { name: string; bytes: number; gzipBytes: number }[] = []try { for (const name of ['plain', 'browser', 'ansi']) { const entryDir = resolve(outDir, name) await build({ ...buildConfig, cwd: root, config: false, entry: { [name]: resolve(root, 'src', `${name}.ts`) }, outDir: entryDir, dts: false, minify: true, report: false, logLevel: 'silent', }) const files = await readdir(entryDir) if (files.length !== 1 || files[0] !== `${name}.js`) { throw new Error(`Expected a single complete bundle for ${name}: ${files}`) } const code = await readFile(resolve(entryDir, `${name}.js`)) const gzipBytes = gzipSync(code, { level: 9 }).byteLength sizes.push({ name, bytes: Buffer.byteLength(code), gzipBytes }) }} finally { await rm(outDir, { recursive: true, force: true })}
const newline = readme.includes('\r\n') ? '\r\n' : '\n'const footprint = [ '- ✨ Minimal footprint', ...sizes.map( ({ name, gzipBytes }) => ` - ${(gzipBytes / 1000).toFixed(2)} kB minified + gzipped (${name})`, ), ].join(newline) + newlineconst updated = readme.replace(section, footprint)if (updated !== readme) { await writeFile(readmePath, updated)}console.table(sizes)console.log( updated === readme ? 'README.md is up to date' : 'Updated README.md',)