webpack.config.dev.js

import webpack from 'webpack';
import path from 'path';
import { ADMIN_PREFIX } from './src/constants';
import { BundleAnalyzerPlugin } from 'webpack-bundle-analyzer';

const GLOBALS = {
  'process.env.NODE_ENV': JSON.stringify('development'),
  __DEV__: true,
};

export default {
  node: { fs: 'empty' },
  devtool: 'cheap-module-eval-source-map', // more info:https://webpack.github.io/docs/build-performance.html#sourcemaps and https://webpack.github.io/docs/configuration.html#devtool
  entry: ['webpack-hot-middleware/client?reload=true', './src/index'],
  target: 'web', // necessary per https://webpack.github.io/docs/testing.html#compile-and-test
  output: {
    path: `${__dirname}/lib/ex-static/public`, // Note: Physical files are only output by the production build task `npm run build`.
    publicPath: `http://localhost:3000${ADMIN_PREFIX}/`, // Use absolute paths to avoid the way that URLs are resolved by Chrome when they're parsed from a dynamically loaded CSS blob. Note: Only necessary in Dev.
    filename: 'bundle.js',
  },
  plugins: [
    new webpack.DefinePlugin(GLOBALS), // Tells React to build in prod mode. https://facebook.github.io/react/downloads.htmlnew webpack.HotModuleReplacementPlugin());
    // new webpack.NamedModulesPlugin(),
    new webpack.HotModuleReplacementPlugin(),
    new webpack.NoEmitOnErrorsPlugin(),
    new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
    new webpack.LoaderOptionsPlugin({
      minimize: false,
      debug: true,
      noInfo: true, // set to false to see a list of every file being bundled.
      options: {
        sassLoader: {
          includePaths: [path.resolve(__dirname, 'src', 'scss')],
        },
        context: '/',
      },
    }),
    new BundleAnalyzerPlugin({
      analyzerMode: 'static',
      logLevel: 'silent',
      openAnalyzer: false,
    }),
  ],
  module: {
    rules: [
      {
        test: /\.js$/,
        include: path.join(__dirname, 'src'),
        loaders: ['babel-loader'],
      },
      { test: /\.eot(\?v=\d+.\d+.\d+)?$/, loader: 'file-loader' },
      {
        test: /\.(woff|woff2)(\?.*$|$)/,
        loader: 'file-loader?prefix=font/&limit=30000',
      },
      {
        test: /\.ttf(\?v=\d+.\d+.\d+)?$/,
        loader: 'file-loader?limit=10000&mimetype=application/octet-stream',
      },
      {
        test: /\.svg(\?v=\d+.\d+.\d+)?$/,
        loader: 'file-loader?limit=10000&mimetype=image/svg+xml',
      },
      { test: /\.(jpe?g|png|gif)$/i, loaders: ['file-loader'] },
      { test: /\.ico$/, loader: 'file-loader?name=[name].[ext]' },
      {
        test: /(\.css|\.scss)$/,
        loaders: [
          'style-loader',
          'css-loader?sourceMap',
          'sass-loader?sourceMap',
        ],
      },
    ],
  },
};