webpack.config.js

var path = require('path')
var webpack = require('webpack')
var CopyWebpackPlugin = require('copy-webpack-plugin')
var CleanWebpackPlugin = require('clean-webpack-plugin')
var HtmlWebpackPlugin = require('html-webpack-plugin')

module.exports = {
  entry: './src/main.js',
  output: {
    // 构建路径
    path: path.resolve(__dirname, 'dist'),
    // the public URL of the output directory when referenced in a browser
    publicPath: './',
    filename: 'build.js'
  },
  devServer: {
    // Tell the server where to serve content from. This is only necessary if you want to serve static files. 
    // contentBase: path.resolve(__dirname, 'dist')
  },
  module: {
    rules: [
      {
        test: /\.css$/,
        use: [
          'vue-style-loader',
          'css-loader'
        ],
      }, {
        test: /\.vue$/,
        loader: 'vue-loader',
        options: {
          loaders: {
          }
          // other vue-loader options go here
        }
      },
      {
        test: /\.js$/,
        loader: 'babel-loader',
        exclude: /node_modules/
      },
      {
        test: /\.(png|jpg|gif|svg)$/,
        loader: 'file-loader',
        options: {
          name: '[name].[ext]?[hash]'
        }
      }
    ]
  },
  resolve: {
    alias: {
      'vue$': 'vue/dist/vue.esm.js'
    },
    extensions: ['*', '.js', '.vue', '.json']
  },
  devServer: {
    historyApiFallback: true,
    noInfo: true,
    overlay: true
  },
  performance: {
    hints: false
  },
  devtool: '#eval-source-map'
}

if (process.env.NODE_ENV === 'production') {
  module.exports.devtool = '#source-map'
  // http://vue-loader.vuejs.org/en/workflow/production.html
  module.exports.plugins = (module.exports.plugins || []).concat([
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: '"production"'
      }
    }),
    new webpack.optimize.UglifyJsPlugin({
      sourceMap: true,
      compress: {
        warnings: false
      }
    }),
    new webpack.LoaderOptionsPlugin({
      minimize: true
    }),
    new HtmlWebpackPlugin({
      template: path.resolve(__dirname, './index.html')
    }),
    new CleanWebpackPlugin([
      'dist'
    ]),
    new CopyWebpackPlugin([
      {
        from: path.resolve(__dirname, 'src/assets'),
        to: path.resolve(__dirname, 'dist/assets')
      }
    ])
  ])
}