vue3-core/packages/size-check/brotli.js

const { brotliCompressSync } = require('zlib')

const file = require('fs').readFileSync('dist/index.js')
const compressed = brotliCompressSync(file)
const compressedSize = (compressed.length / 1024).toFixed(2) + 'kb'
console.log(`brotli: ${compressedSize}`)