webpack.config.js

const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const Dotenv = require("dotenv-webpack");

module.exports = {
  entry: "./src/index.tsx",
  output: {
    filename: "main.js",
    path: path.resolve(__dirname, "build"),
  },
  plugins: [
    new Dotenv({
      systemvars: true
    }),
    new HtmlWebpackPlugin({
      template: path.join(__dirname, "public", "index.html"),
    }),
  ],
  devServer: {
    static: {
      directory: path.join(__dirname, "build"),
    },
    port: 3000,
    historyApiFallback: true,
  },
  target: "web",
  module: {
    rules: [
      // `js` and `jsx` files are parsed using `babel`
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: ["babel-loader"],
      },
      // `ts` and `tsx` files are parsed using `ts-loader`
      {
        test: /\.(ts|tsx)$/,
        loader: "ts-loader",
      },
    ],
    strictExportPresence: false,
  },
  resolve: {
    extensions: [".*", ".js", ".jsx", ".ts", ".tsx"],
  },
};