remora/web/tools/compress-assets.mjs

38 lines
1.1 KiB
JavaScript

import { readdir, readFile, writeFile } from 'node:fs/promises'
import { extname, join } from 'node:path'
import { promisify } from 'node:util'
import {
brotliCompress as brotli,
constants,
gzip as gzipCallback,
} from 'node:zlib'
const brotliCompress = promisify(brotli)
const gzip = promisify(gzipCallback)
await compressDirectory(new URL('../dist/', import.meta.url))
async function compressDirectory(directory) {
for (const entry of await readdir(directory, { withFileTypes: true })) {
const path = join(entry.parentPath, entry.name)
if (entry.isDirectory()) {
await compressDirectory(path)
continue
}
if (!['.css', '.html', '.js', '.json', '.svg'].includes(extname(path)))
continue
const source = await readFile(path)
const [brotliOutput, gzipOutput] = await Promise.all([
brotliCompress(source, {
params: {
[constants.BROTLI_PARAM_QUALITY]: 11,
},
}),
gzip(source, { level: 9 }),
])
await Promise.all([
writeFile(`${path}.br`, brotliOutput),
writeFile(`${path}.gz`, gzipOutput),
])
}
}