webpack.build.config.js

const path = require('path')
const VueLoaderPlugin = require('vue-loader/lib/plugin')
module.exports = {
  entry: './src/index.js',
  output: {
    path: path.resolve(__dirname, './dist'),
    publicPath: '/dist/',
    filename: 'vue-ge-code.min.js',
    library: 'GeCode',
    libraryTarget: 'umd',
    umdNamedDefine: true
  },
  module: {
    rules: [{
      test: /\.vue$/,
      loader: 'vue-loader'
    },
     {
      test: /\.js$/,
      exclude: /node_modules/,
      use: [{
        loader: 'babel-loader',
        options: {
          cacheDirectory: true,
          'presets': [
            // 把es6转成es5
            ['env', {
              'modules': false
            }],
            'stage-0'
          ],
        }
      }]
    }
  ]

  },

  devtool: '#source-map',
  plugins:[
    new VueLoaderPlugin()
  ]
}