webpack.config.js

const path = require('path');
const webpack = require('webpack');
const port = process.env.PORT || '8080';

const config = {
	context: __dirname,
	entry: [
		'babel-polyfill',
		path.resolve(__dirname, './renderer.js'),
		`webpack-hot-middleware/client?path=http://localhost:${port}/__webpack_hmr`,
	],
	target: 'electron-renderer',
	output: {
		filename: 'renderer.bundle.js',
		path: __dirname + '/bundle',
		publicPath: `http://localhost:${port}/bundle/`,
		libraryTarget: 'commonjs2',
	},
	module: {
		rules: [
			{ 
				test: /\.js$/,
                loader: 'babel-loader',
				include: [
					path.join(__dirname, 'src'),
					path.join(__dirname, 'renderer.js')
				],
				exclude: /node_modules/
			},
			{
				test: /\.json$/,
				loader: 'json-loader'
			}
		]
	},
    plugins: [
        new webpack.HotModuleReplacementPlugin(),
    ],
    devtool: 'source-map'
};

module.exports = config;