webpack.dev.config.js

const webpack = require('webpack');
const path    = require('path');
const config  = require('./webpack.config');

config.output = {
  filename: '[name].bundle.js',
  publicPath: '/',
  path: path.resolve(__dirname, 'client'),
};

config.plugins = config.plugins.concat([

  // Adds webpack HMR support. It act's like livereload,
  // reloading page after webpack rebuilt modules.
  // It also updates stylesheets and inline assets without page reloading.
  new webpack.HotModuleReplacementPlugin(),
]);

module.exports = config;