bundle-size/bin/bundle-size.js

Show bundle file size of npm packages

#! /usr/bin/env node
'use strict';

const minimist = require('minimist');
const ora = require('ora');
const pkg = require('../package.json');
const bundleSize = require('../lib');

const spinner = ora(`bundle packages`);
const argv = minimist(process.argv.slice(2), {
  boolean: [
    'help',
    'version'
  ],
  string: [
    'env',
    'reporter'
  ],
  alias: {
    'e': 'env',
    'h': 'help',
    'r': 'reporter',
    'v': 'version'
  },
  default: {
    'help': false,
    'version': false
  }
});

function main() {
  spinner.start();
  bundleSize(argv._, {
    env: argv.env,
    reporter: argv.reporter
  }).then((value) => {
    spinner.stop();
    console.log(value);
  });
}

function showHelp() {
  console.log(`
${pkg.description}

Usage
  ${Object.keys(pkg.bin)[0]} [packages] [options]

Options
  -e, --env         set NODE_ENV
  -h, --help        show help
  -r, --reporter    output style (json)
  -v, --version     print version
`);
}

function showVersion() {
  console.log(pkg.version);
}

if (argv.help) {
  showHelp();
}

if (argv.version) {
  showVersion();
}

if (argv._.length > 0) {
  main();
}