module.exports = {
  presets: [
    // https://github.com/vuejs/vue-cli/tree/master/packages/@vue/babel-preset-app
    '@vue/cli-plugin-babel/preset'
  ],
  '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-es2015-arrow-functions", { spec: true }]]
    },
    // ���Ի���
    'staging': {
      'plugins': ['@babel/plugin-syntax-dynamic-import']
    },
    // ��������
    'production': {
      'plugins': ['@babel/plugin-syntax-dynamic-import']
    },
    // test
    'test': {
      'plugins': ['@babel/plugin-syntax-dynamic-import']
    },
  }
}
