57 lines
1.8 KiB
JavaScript
57 lines
1.8 KiB
JavaScript
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// bankai inspect — what did the build produce, and how big is it on the
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// wire? Reads the manifest + dist and prints raw/gzip/brotli sizes.
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import { readFile, readdir, stat } from 'node:fs/promises'
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import { join, resolve, relative } from 'node:path'
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export default async function inspect ({ outDir = 'dist' }) {
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outDir = resolve(outDir)
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const meta = JSON.parse(await readFile(join(outDir, 'bankai.json'), 'utf8'))
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const rows = []
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await walk(outDir, rows, outDir)
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rows.sort((a, b) => b.raw - a.raw)
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console.log(`\nbankai build — ${meta.title} (${meta.builtAt})\n`)
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console.log(' ' + 'file'.padEnd(44) + 'raw'.padStart(10) + 'gzip'.padStart(10) + 'brotli'.padStart(10))
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let totals = { raw: 0, gz: 0, br: 0 }
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for (const row of rows) {
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totals.raw += row.raw
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totals.gz += row.gz || 0
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totals.br += row.br || 0
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console.log(' ' + row.file.padEnd(44) + kb(row.raw) + kb(row.gz) + kb(row.br))
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}
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console.log(' ' + 'total'.padEnd(44) + kb(totals.raw) + kb(totals.gz) + kb(totals.br) + '\n')
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return rows
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}
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async function walk (dir, rows, root) {
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for (const name of await readdir(dir)) {
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if (name === '.vite') continue
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const path = join(dir, name)
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const info = await stat(path)
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if (info.isDirectory()) {
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await walk(path, rows, root)
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continue
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}
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if (name.endsWith('.br') || name.endsWith('.gz')) continue
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const row = { file: relative(root, path), raw: info.size, gz: null, br: null }
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row.gz = await sizeOf(path + '.gz')
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row.br = await sizeOf(path + '.br')
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rows.push(row)
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}
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}
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async function sizeOf (path) {
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try {
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return (await stat(path)).size
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} catch (e) {
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return null
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}
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}
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function kb (bytes) {
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if (bytes === null) return '—'.padStart(10)
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return (bytes < 1024 ? bytes + ' B' : (bytes / 1024).toFixed(1) + ' kB').padStart(10)
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}
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