webpack.config.js

var path = require('path')
var webpack = require('webpack')

module.exports = {
  entry: './src/main.js',
  output: {
    path: path.resolve(__dirname, './dist'),
    publicPath: '/dist/',
    filename: 'build.js'
  },
  module: {
    rules: [{
      test: /\.vue$/,
      loader: 'vue-loader',
      options: {
        // vue-loader options go here
      }
    }, {
      test: /\.js$/,
      loader: 'babel-loader',
      exclude: /node_modules/
    }, {
      test: /\.css$/,
      loader: 'style-loader!css-loader'
    }, {
      test: /\.(png|jpg|gif|svg)$/,
      loader: 'file-loader',
      options: {
        name: '[name].[ext]?[hash]'
      }
    }]
  },
  resolve: {
    alias: {
      'vue$': 'vue/dist/vue.common.js'
    }
  },
  devServer: {
    historyApiFallback: true,
    noInfo: true
  },
  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
    })
  ])
}