const { merge } = require('webpack-merge'); const common = require('./webpack.common.js'); module.exports = merge(common, { mode: 'development', devtool: 'inline-source-map', module: { rules: [ { test: /\.[cs][ac]ss$/, exclude: /node_modules/, use: ['style-loader', { loader: 'css-loader', options: { sourceMap: true, }, }, { loader: 'sass-loader', options: { sourceMap: true, }, }], sideEffects: true, }, ], }, devServer: { compress: true, historyApiFallback: true, }, });