webpack.config.js

var path = require('path')
var webpack = require('webpack')
var HtmlWebpackPlugin = require('html-webpack-plugin')
var ExtractTextPlugin = require('extract-text-webpack-plugin')

var assetsPublicPath = '/'
var assetsSubDirectory = 'static'

module.exports = {
  entry: './src/main.js',
  output: {
    path: path.resolve(__dirname, './dist'),
    publicPath: assetsPublicPath,
    filename: assetsSubDirectory + (process.env.NODE_ENV === 'production' ? '/js/[name].[chunkhash].js' : '/js/[name].js'),
    chunkFilename: assetsSubDirectory + (process.env.NODE_ENV === 'production' ? '/js/[name].[chunkhash].js' : '/js/[name].js')
  },
  module: {
    rules: [
      {
        test: /\.css$/,
        use: ExtractTextPlugin.extract({
            fallback: "style-loader",
            use: "css-loader"
        })
      },
      {
        test: /\.vue$/,
        loader: 'vue-loader',
        options: {
          loaders: {
            // Since sass-loader (weirdly) has SCSS as its default parse mode, we map
            // the "scss" and "sass" values for the lang attribute to the right configs here.
            // other preprocessors should work out of the box, no loader config like this necessary.
            // 'scss': 'vue-style-loader!css-loader!sass-loader',
            // 'sass': 'vue-style-loader!css-loader!sass-loader?indentedSyntax',
            scss: ExtractTextPlugin.extract({
              use: 'css-loader!sass-loader',
              fallback: 'vue-style-loader'
            }),
            sass: ExtractTextPlugin.extract({
              use: 'sass-loader?indentedSyntax',
              fallback: 'vue-style-loader'
            }),
            css: ExtractTextPlugin.extract({
              use: 'css-loader',
              fallback: 'vue-style-loader'
            })
          }
          // other vue-loader options go here
        }
      },
      {
        test: /\.js$/,
        loader: 'babel-loader',
        exclude: /node_modules/
      },
      {
        test: /\.(png|jpg|gif|svg)$/,
        loader: 'file-loader',
        options: {
          name: assetsSubDirectory + '/assets/[name].[ext]?[hash]'
        }
      }
    ]
  },
  resolve: {
    alias: {
      'vue$': 'vue/dist/vue.esm.js'
    }
  },
  devServer: {
    historyApiFallback: true,
    noInfo: 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
    }),
    // generate dist index.html with correct asset hash for caching.
    // you can customize output by editing /index.html
    // see https://github.com/ampedandwired/html-webpack-plugin
    new HtmlWebpackPlugin({
      filename: 'index.html',
      template: 'index.html',
      inject: true,
      minify: {
        removeComments: true,
        collapseWhitespace: true,
        removeAttributeQuotes: true
        // more options:
        // https://github.com/kangax/html-minifier#options-quick-reference
      },
      // necessary to consistently work with multiple chunks via CommonsChunkPlugin
      chunksSortMode: 'dependency'
    }),
    // extract css into its own file
    new ExtractTextPlugin(assetsSubDirectory + '/css/[name].[contenthash].css')
  ])
}

if (process.env.NODE_ENV === 'development') {
  module.exports.plugins = (module.exports.plugins || []).concat([
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: '"development"'
      }
    }),
    // generate dist index.html with correct asset hash for caching.
    // you can customize output by editing /index.html
    // see https://github.com/ampedandwired/html-webpack-plugin
    new HtmlWebpackPlugin({
      filename: 'index.html',
      template: 'index.html',
      inject: true
    }),
    // extract css into its own file
    new ExtractTextPlugin(assetsSubDirectory + '/css/[name].css')
  ])
}