old_contents: 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'
    },
    resolve: {
      extensions: ['', '.js', '.vue'],
      fallback: [path.join(__dirname, 'node_modules')],
      alias: {
        src: path.resolve(__dirname, './src')
      }
    },
    resolveLoader: {
      root: path.join(__dirname, 'node_modules')
    },
    module: {
      loaders: [
        {
          test: /\.vue$/,
          loader: 'vue'
        },
        {
          test: /\.js$/,
          loader: 'babel-loader',
          exclude: /node_modules/
        },
        {
          test: /\.json$/,
          loader: 'json-loader'
        },
        {
          test: /\.html$/,
          loader: 'vue-html'
        },
        {
          test: /\.(png|jpg|gif|svg|woff2?|eot|ttf)(\?.*)?$/,
          loader: 'url-loader',
          query: {
            limit: 10000,
            name: '[name].[ext]?[hash]'
          }
        }
      ]
    },
    plugins: [
      new webpack.ProvidePlugin({
        $: 'jquery',
        jQuery: 'jquery',
        'window.jQuery': 'jquery'
      })
    ],
    devServer: {
      historyApiFallback: true,
      noInfo: true
    },
    devtool: '#eval-source-map'
  };
  
  if (process.env.NODE_ENV === 'production') {
    module.exports.devtool = '#source-map';
    // http://vuejs.github.io/vue-loader/workflow/production.html
    module.exports.plugins = (module.exports.plugins || []).concat([
      new webpack.DefinePlugin({
        'process.env': {
          NODE_ENV: '"production"'
        }
      }),
      new webpack.optimize.UglifyJsPlugin({
        compress: {
          warnings: false
        }
      }),
      new webpack.optimize.OccurenceOrderPlugin()
    ]);
  }
  
new_contents: 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'
    },
    resolve: {
      extensions: ['', '.js', '.vue'],
      fallback: [path.join(__dirname, 'node_modules')],
      alias: {
        src: path.resolve(__dirname, './src')
      }
    },
    resolveLoader: {
      root: path.join(__dirname, 'node_modules')
    },
    module: {
      loaders: [
        {
          test: /\.vue$/,
          loader: 'vue-loader'
        },
        {
          test: /\.js$/,
          loader: 'babel-loader',
          exclude: /node_modules/
        },
        {
          test: /\.json$/,
          loader: 'json-loader'
        },
        {
          test: /\.html$/,
          loader: 'vue-html'
        },
        {
          test: /\.(png|jpg|gif|svg|woff2?|eot|ttf)(\?.*)?$/,
          loader: 'url-loader',
          query: {
            limit: 10000,
            name: '[name].[ext]?[hash]'
          }
        }
      ]
    },
    plugins: [
      new webpack.ProvidePlugin({
        $: 'jquery',
        jQuery: 'jquery',
        'window.jQuery': 'jquery'
      })
    ],
    devServer: {
      historyApiFallback: true,
      noInfo: true
    },
    devtool: '#eval-source-map'
  };
  
  if (process.env.NODE_ENV === 'production') {
    module.exports.devtool = '#source-map';
    // http://vuejs.github.io/vue-loader/workflow/production.html
    module.exports.plugins = (module.exports.plugins || []).concat([
      new webpack.DefinePlugin({
        'process.env': {
          NODE_ENV: '"production"'
        }
      }),
      new webpack.optimize.UglifyJsPlugin({
        compress: {
          warnings: false
        }
      }),
      new webpack.optimize.OccurenceOrderPlugin()
    ]);
  }
  
subject: make webpack more explicit