Webpack Config

webpack.config.dev.js

const webpack = require('webpack');
const merge = require('webpack-merge');
const common = require('./webpack.config.common.js');

const environment = 'development';
const envParams = require('./webpack.params').getEnv(environment);

module.exports = merge(common, {
  devtool: 'source-map',
  devServer: {
    inline: true
  },
  entry: [
    // 'eventsource-polyfill', // necessary for hot reloading with IE
    'webpack-hot-middleware/client?reload=true', // note that it reloads the page if hot module reloading fails.
    './client/js/index'
  ],
  output: {
    filename: 'index.js'
  },
  watchOptions: {
    aggregateTimeout: 10000,
    poll: 5000
  },
  plugins: [
    new webpack.HotModuleReplacementPlugin(),
    // new webpack.NoErrorsPlugin(),
    new webpack.DefinePlugin(envParams)
  ]
});