Xelzs/code-size

#!/usr/bin/env node

const commander = require('commander');
const chalk = require('chalk');
const package = require('../package.json');
const size = require('../src/index');

commander
  .version(package.version)
  .description(package.description)
  .usage('[options]')
  .option('-s, --source <code>', 'specify raw source code')
  .option('-f, --file <path>', 'specify path to a file')
  .option('-g, --gzip', 'show gzipped size')
  .option('-b, --brotli', 'show brotli size')
  .option('-m, --minify', 'show minified size | !! Works only with supported language !!')
  .option('-l, --language <language>', 'specifies the language type. Supported: css, sass, scss, js', 'css')
  .parse(process.argv);

const { file, source, language, minify, gzip, brotli } = commander;

(async () => {
  console.log();
  console.log(chalk.green('CodeSize | Version ' + package.version));
  console.log();

  if (!file && !source) {
    console.log(chalk.red('Error: Please specify a source code or a path to a file.'));
    console.log();
    commander.help();
    return;
  }

  const availableLanguages = ['css', 'sass', 'scss', 'js'];
  languageFmt = language.toLowerCase();

  if (minify && !availableLanguages.includes(languageFmt)) {
    console.log(chalk.red('Error: Please choose a supported language.'));
    console.log();
    commander.help();
    return;
  }

  const data = size({ language: languageFmt, gzip, brotli, minify, source, file });

  if (!data) {
    commander.help();
    return;
  }

  console.log('Original size :', chalk.blue(data.original));
  data.minify ? console.log('Minified size :', chalk.blue(data.minify)) : '';
  data.gzip ? console.log('Gzipped size :', chalk.blue(data.gzip)) : '';
  data.brotli ? console.log('Brotli size :', chalk.blue(data.brotli)) : '';
})();