webpack.config.js

const path = require('path')
const webpack = require('webpack')
const HtmlWebpackPlugin = require('html-webpack-plugin')

module.exports = {
  mode: 'development',
  entry: ["./node_modules/react", path.join(__dirname, "src", "app.tsx")],
  output: {
    path:path.resolve(__dirname, "dist")
  },
  resolve: {
    extensions: ['.js', '.tsx'],
    alias: {
      pages: path.resolve(__dirname, 'src/pages'),
      components: path.resolve(__dirname, 'src/components'),
    },
  },
  module: {
    rules: [
      {
        test: /\.?tsx$/,
        exclude: /node_modules/,
        use: {
          loader: "babel-loader",
          options: {
            presets: ['@babel/preset-env', '@babel/preset-typescript', '@babel/preset-react']
          }
        }
      },
    ]
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: path.join(__dirname, "src", "index.html"),
    }),
    new webpack.ProvidePlugin({
      React: 'react'
    })
  ],
}