redux-devtools/extension/examples/saga-counter/webpack.config.js

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

module.exports = {
  mode: 'development',
  devtool: 'source-map',
  entry: [path.join(__dirname, 'src', 'main')],
  output: {
    path: path.join(__dirname, 'dist'),
    filename: 'bundle.js',
    publicPath: '/static/',
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        loaders: ['babel-loader'],
        exclude: /node_modules/,
      },
    ],
  },
  devServer: {
    port: 4003,
  },
};