rollup-umd-scripts/bin/scripts/cmds/babel_cmds/preset.js

CLI for rollup-umd projects

'use strict';

var _stringify = require('babel-runtime/core-js/json/stringify');

var _stringify2 = _interopRequireDefault(_stringify);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/* eslint-disable no-undef, no-param-reassign, global-require, no-unused-vars, no-console, no-underscore-dangle, prefer-destructuring */
var async = require('async');
var path = require('path');
var fs = require('fs');

function install(argv, name, done) {
  var babelRcPath = path.join(argv.path, '.babelrc');
  var babelRc = JSON.parse(fs.readFileSync(babelRcPath, 'utf8'));
  babelRc.presets.push(name);
  fs.writeFileSync(babelRcPath, (0, _stringify2.default)(babelRc, null, 2), { encoding: 'utf8' });
  done(null, name + ' preset inserted in .babelrc');
}

exports.command = 'preset <name> [names..]';
exports.desc = 'Append to .babelrc the preset(s)';
exports.builder = function (yargs) {
  return yargs.option('path', {
    alias: 'p',
    describe: 'path',
    default: process.cwd()
  });
};
exports.handler = function (argv) {
  switch (argv.path[0]) {
    case '/':
      break;
    default:
      argv.path = argv.path[1] === '/' ? path.join(process.cwd(), argv.path.slice(2)) : path.join(process.cwd(), argv.path);
      break;
  }
  async.map([].concat(argv.name).concat(argv.names), function (name, cb) {
    return install(argv, name, cb);
  }, function (err, results) {
    if (err) {
      console.error('[ERROR] ' + err.message);
      process.exit(1);
    }
    console.log(results.join('\n'));
  });
};