module.exports = { entry: { app: ['@babel/polyfill', './src/index.js'] }, module: { rules: [ { test: /\.(js|jsx)$/, exclude: /node_modules/, use: ['babel-loader'] }, { test: /\.js$/, exclude: /node_modules/, use: ['babel-loader', 'eslint-loader'] } ] }, resolve: { extensions: ['*', '.js', '.jsx'] }, output: { filename: 'bundle.js' }, devServer: { contentBase: './dist', port: 8080, open: true, proxy: { '/api': 'http://localhost:1337' } } }