const fs = require('fs');
const zlib = require('zlib');
const gzip = zlib.createGzip();

const srcFile = './yarn.lock'; // 要壓縮的文件
const distFile = 'yarn.lock.gz'; // 壓縮后的文件名

const writeStream = fs.createWriteStream(distFile);
fs.createReadStream(srcFile).pipe(gzip).pipe(writeStream);