webpack.dev.js

const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const path = require("path");
//const CompressionPlugin = require('compression-webpack-plugin')

module.exports = () => ({
  mode: "development",
  devtool: "eval-source-map",
  devServer: {
    port: 9000,
    compress: true,
    serveIndex: true,
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: [/node_modules/, /utils/, /webpack/],
        use: [
          "babel-loader",
          {
            loader: "eslint-loader",
            options: {
              emitWarning: true,
            },
          },
        ],
      },
      {
        test: /\.(css)$/,
        use: [MiniCssExtractPlugin.loader, "css-loader"],
      },
      {
        test: /\.(png|jpg|gif|jpe?g|svg|webp)$/i,
        use: [
          {
            loader: "url-loader",
            options: {
              limit: 5000,
              outputPath: "./assets/images",
            },
          },
          {
            loader: "image-webpack-loader",
            options: {
              mozjpeg: {
                progressive: true,
                quality: 65,
              },
              optipng: {
                enabled: false,
              },
              pngquant: {
                quality: "65-90",
                speed: 4,
              },
              gifsicle: {
                interlaced: false,
              },
              webp: {
                quality: 75,
              },
              svgo: {
                removeViewBox: false,
              },
            },
          },
        ],
      },
      {
        test: /\.(woff|woff2|eot|ttf|otf)$/i,
        use: [
          {
            loader: "url-loader",
            options: {
              outputPath: "./assets/fonts",
            },
          },
        ],
      },
    ],
  },
  plugins: [new MiniCssExtractPlugin()],
});