module.exports = {
  presets: [
    // https://github.com/vuejs/vue-cli/tree/master/packages/@vue/babel-preset-app
    ['@vue/cli-plugin-babel/preset', {
      useBuiltIns: 'entry',
      polyfills: ['es6.promise', 'es6.symbol', 'es6.array.iterator', 'es6.object.assign']
    }]
  ],
  'env': {
    'development': {
      // babel-plugin-dynamic-import-node plugin only does one thing by converting all import() to require().
      // This plugin can significantly increase the speed of hot updates, when you have a large number of pages.
      'plugins': ['dynamic-import-node', "transform-remove-strict-mode"],
    }
  }
}