module.exports = { devtool: 'inline-source-map', devServer: { port: 3000, }, module: { rules: [ { // Preprocess 3rd party .css files located in node_modules test: /\.css$/, include: /node_modules/, use: ['style-loader', 'css-loader'], }, { test: /\.less$/, use: [ { loader: 'style-loader', }, { loader: 'css-loader', }, { loader: 'less-loader', options: { javascriptEnabled: true, }, }, ], }, { test: /\.(css|scss)$/, exclude: /node_modules/, use: [ { loader: 'style-loader', }, { loader: 'css-loader', options: { modules: { localIdentName: '[name]__[local]___[hash:base64:5]', }, sourceMap: true, }, }, { loader: 'sass-loader', }, ], }, ], }, };