webpack.dev.config.js

const webpack = require('webpack');
const path = require('path');

module.exports = {
  entry: [
    'react-hot-loader/patch',
    './src/example.js'
  ],
  devtool: 'source-map',
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: ['babel-loader']
      },
      {
        test: /\.(less|css)$/,
        use: ["style-loader", "css-loader"]
      },
      {
        test: /\.woff(2)?(\?v=[0-9]\.[0-9]\.[0-9])?$/,
        loader: "url-loader?limit=10000&mimetype=application/font-woff"
      },
      {
        test: /\.(ttf|eot|svg)(\?v=[0-9]\.[0-9]\.[0-9])?$/,
        loader: "file-loader"
      },
      {
        test: /\.(gif|png|jpe?g|svg)$/i,
        use: [
          'file-loader',
          {
            loader: 'image-webpack-loader',
            options: {
              bypassOnDebug: true,
            },
          },
        ],
      }
    ]
  },
  resolve: {
    modules: [
      path.resolve(__dirname, 'src'),
      'node_modules',
    ],
    extensions: ['*', '.js', '.jsx']
  },
  output: {
    path: __dirname + '/devdist',
    publicPath: '/',
    filename: 'index.js'
  },
  plugins: [
    new webpack.HotModuleReplacementPlugin()
  ],
  devServer: {
    contentBase: './devdist',
    hot: true
  }
};