xinny/webpack.dev.js

const path = require('path');
const common = require('./webpack.common');
const { merge } = require('webpack-merge');

module.exports = merge(common, {
  mode: 'development',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: '[name].bundle.js',
    publicPath: '/',
  },
  devServer: {
    historyApiFallback: true,
  },
  module: {
    rules: [
      {
        test: /\.s?css$/,
        use: [
          'style-loader',
          'css-loader',
          'sass-loader',
        ],
      },
    ],
  },
});