caimei-distribution-www/babel.config.js

module.exports = {
  presets: [
    '@vue/cli-plugin-babel/preset',
    ['@babel/preset-env', { modules: false }]
  ],
  plugins: [ // 自动按需引入
    [
      'import', {
        libraryName: 'vant',
        libraryDirectory: 'es',
        style: true
      }, 'vant'
    ],
    [
      'component', {
        libraryName: 'element-ui',
        styleLibraryName: 'theme-chalk'
      }
    ]
  ]
}