process.env.NODE_ENV = 'production'
const path = require('path')
const webpack = require('webpack')
const TerserPlugin = require('terser-webpack-plugin');
const webpackbar = require('webpackbar')
const VueLoaderPlugin = require('vue-loader/lib/plugin')
const { CleanWebpackPlugin } = require('clean-webpack-plugin');


module.exports = {
  mode: "production",
  entry: './src/index.js',
  output: {
    path: path.resolve(__dirname, './dist'),
    publicPath: '/dist/',
    filename: 'index.js',
    library: 'vue-cropper-h5', // 指定的就是你使用require时的模块名
    libraryTarget: 'umd', // 指定输出格式
    umdNamedDefine: true // 会对 UMD 的构建过程中的 AMD 模块进行命名。否则就使用匿名的 define
  },
  module: {
    rules: [
      {
        test: /\.css$/,
        use: ['vue-style-loader','css-loader'],
      },
      {
        test: /\.vue$/,
        loader: 'vue-loader'
      },
      {
        test: /\.js$/,
        loader: 'babel-loader',
        exclude: /node_modules/
      },
      {
        test: /\.(png|jpg|gif|svg)$/,
        loader: 'file-loader',
        options: {
          name: '[name].[ext]?[hash]',
          esModel:false
        }
      }
    ]
  },
  resolve: {
    alias: {
      'vue$': 'vue/dist/vue.esm.js'
    },
    extensions: ['*', '.js', '.vue', '.json']
  },
  devtool: '#source-map',
  optimization: {
    minimizer: [
      new TerserPlugin({
        test: /\.js(\?.*)?$/i,
        extractComments: false,
        cache: false,
        sourceMap: false,
        terserOptions: {
          warnings: false,
          compress: {
            warnings: false,
            drop_console: true,
            drop_debugger: true,
            pure_funcs: ['console.log']
          },
        }
      })]
  },
  plugins: [
    new CleanWebpackPlugin(),
    new VueLoaderPlugin(),
    new webpack.LoaderOptionsPlugin({
      minimize: true
    }),
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: '"production"'
      }
    }),
    new webpackbar({
      name: 'vue-cropper-h5'
    })
  ]
}