webpack.app.dev.js

const path = require('path');
const CopyPlugin = require('copy-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');

module.exports = {
  entry: './src/index.jsx',
  mode: 'development',
  plugins: [
    new HtmlWebpackPlugin({
      template: './public/index.html',
      filename: 'index.html',
      templateParameters: {
        PUBLIC_URL: '',
      },
    }),
    new CopyPlugin([{ from: './public' }]),
    new CleanWebpackPlugin(),
  ],
  module: {
    rules: [
      {
        test: /\.css$/i,
        use: ['style-loader', 'css-loader'],
      },
      {
        test: /\.s[ac]ss$/i,
        use: ['style-loader', 'css-loader', 'sass-loader'],
      },
      {
        test: /\.(png|jpe?g|gif|svg)$/i,
        use: [
          {
            loader: 'file-loader',
          },
        ],
      },
      {
        test: /\.(js|jsx)$/i,
        exclude: /node_modules/,
        loader: 'babel-loader',
        options: {
          presets: ['@babel/preset-env'],
        },
      },
    ],
  },
  resolve: {
    extensions: ['.js', '.jsx'],
    alias: {
      three: path.resolve('./node_modules/three'),
    },
  },
  devServer: {
    compress: true,
    hot: true,
    port: 3000,
    quiet: false,
    noInfo: false,
    stats: {
      assets: false,
      children: false,
      chunks: false,
      chunkModules: false,
      colors: true,
      entrypoints: false,
      hash: false,
      modules: false,
      timings: false,
      version: false,
    },
  },
};