webpack.config.js

/* eslint-disable @typescript-eslint/no-var-requires */
/* eslint-disable no-undef */
const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const CopyWebpackPlugin = require("copy-webpack-plugin");
require("@babel/polyfill");

module.exports = {
  entry: ["@babel/polyfill", "./src/index.js"],
  output: {
    filename: "main.js",
    path: path.resolve(__dirname, "dist"),
  },
  resolve: {
    extensions: [".js", ".ts"],
  },
  module: {
    rules: [
      {
        test: /\.(png|jpg|gif|svg)$/,
        use: [
          {
            loader: "file-loader",
            options: {
              name: "[name].[ext]",
              outputPath: "assets/images",
            },
          },
        ],
      },
      {
        test: [/.js$/],
        exclude: /(node_modules)/,
        use: {
          loader: "babel-loader",
          options: {
            presets: ["@babel/preset-env"],
          },
        },
      },
      {
        test: /\.ts$/,
        exclude: /node_modules/,
        use: {
          loader: "babel-loader",
          options: {
            presets: ["@babel/preset-env", "@babel/typescript"],
          },
        },
      },
      {
        test: [/.css$|.scss$/],
        use: [
          MiniCssExtractPlugin.loader,
          "css-loader",
          "sass-loader",
          "postcss-loader",
        ],
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      title: "Hello webpack",
      template: "./src/index.html",
      inject: true,
      minify: {
        removeComments: true,
        collapseWhitespace: false,
      },
    }),
    new MiniCssExtractPlugin({
      filename: "style.css",
    }),
    new CopyWebpackPlugin({
      patterns: [
        {
          from: "./src/assets/images",
          to: "assets/images",
        },
      ],
    }),
  ],
};