build.js

const fs = require('fs');
const path = require('path');
const chalk = require('chalk');
const archiver = require('archiver');
const log = console.log;

log(process.argv.slice(2));

const browsers = {
  chrome: {
    name: 'chrome',
    labelColor: 'magenta',
  },
  firefox: {
    name: 'firefox',
    labelColor: 'yellow',
  },
};

const getArchive = (browser) => {
  const buildFolderPath = path.resolve(__dirname, `./builds/build_${browser}`);

  if (!fs.existsSync(buildFolderPath)) {
    log(chalk.yellow(`${browser} build folder NOT found...`));
    return;
  }

  const chalkLabel = chalk.keyword(`${browsers[browser].labelColor}`);
  const label = chalkLabel(browser);

  log(label, chalk.green(`${browser} build folder found...`));

  const zipPath = path.resolve(__dirname, `./builds/${browser}.zip`);
  const output = fs.createWriteStream(zipPath);

  const archive = archiver('zip', {
    zlib: { level: 9 },
  });

  output.on('close', () => {
    const fileSizeMB = (archive.pointer() / 1048576).toFixed(2);
    log(label, chalk.green(`Zip file size: ${fileSizeMB} MB`));
    log(label, 'archiver has been finalized and the output file descriptor has closed.');
  });

  output.on('end', () => log(label, 'Data has been drained'));

  archive.on('warning', (err) => {
    if (err.code === 'ENOENT') {
      log(label, 'EEEEEE');
    } else {
      throw err;
    }
  });

  archive.on('error', (err) => {
    throw err;
  });

  archive.pipe(output);
  archive.directory(buildFolderPath, false);
  archive.finalize();
};

getArchive('chrome');
getArchive('firefox');