checkin/webpack.config.dev.js at master · dcousineau/checkin · GitHub

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const path = require("path");
const webpack = require("webpack");
const StatsWriterPlugin = require("webpack-stats-plugin").StatsWriterPlugin;

module.exports = {
  name: "app",
  devtool: "eval-source-map", //devtool: 'eval' for maximum build performance
  entry: {
    vendors: [
      "react-hot-loader/patch",
      "webpack-dev-server/client?http://localhost:3001/",
      "./src/client/__vendors__.js"
    ],
    app: "./src/client/__app__.js"
  },
  output: {
    path: path.join(__dirname, "build/static"),
    publicPath: "/static/",
    filename: "js/[name].js"
  },
  plugins: [
    new webpack.DefinePlugin({
      "process.env": {
        NODE_ENV: JSON.stringify("development")
      }
    }),

    new StatsWriterPlugin({
      filename: "assets.json"
    }),

    //The minChunks function ensures vendors only includes those files that are produced from 3rd party vendors,
    //namely anything in the node_modules folder
    new webpack.optimize.CommonsChunkPlugin({
      name: "vendors",
      minChunks: function(module) {
        return module.context && module.context.indexOf("node_modules") !== -1;
      }
    }),

    //The minChunks: Infinity creates a separate chunk, `manifest`, that contains only bootstrapping information
    //required by Webpack compiled modules
    new webpack.optimize.CommonsChunkPlugin({
      name: "manifest",
      minChunks: Infinity
    }),

    new webpack.HotModuleReplacementPlugin(),

    new webpack.NamedModulesPlugin(),

    // new webpack.ContextReplacementPlugin(/moment[\/\\]locale$/, /en/),
    new webpack.NoEmitOnErrorsPlugin()
  ],
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        use: [
          "react-hot-loader/webpack",
          {
            loader: "babel-loader",
            options: {
              babelrc: false,
              presets: [["es2015", { modules: false }], "react", "stage-0"],
              plugins: [
                "react-hot-loader/babel",
                [
                  "transform-runtime",
                  {
                    polyfill: true,
                    regenerator: true
                  }
                ],
                "transform-react-jsx-source"
              ]
            }
          }
        ],
        exclude: /node_modules/
      },
      {
        test: /\.json$/,
        loaders: ["json-loader"]
      }
    ]
  },
  devServer: {
    hot: true,
    compress: true,
    port: 3001
  }
};