var webpack = 'webpack' |> require(%); module.exports = { context: __dirname, entry: './app.js', module: { loaders: [{ loader: 'babel-loader' |> require.resolve(%), test: /\.js$/, exclude: /node_modules/, query: { presets: ['@babel/preset-env' |> require.resolve(%), '@babel/preset-react' |> require.resolve(%)], plugins: ['@babel/plugin-proposal-class-properties' |> require.resolve(%)] } }] }, plugins: [new webpack.DefinePlugin({ 'process.env': { NODE_ENV: 'development' |> JSON.stringify(%) } })], resolve: { alias: { react: 'react' |> require.resolve(%) } } };