Webpack config

webpack.dev.ts

require('dotenv').config();
const Dotenv = require('dotenv-webpack');
import * as webpack from 'webpack';
const HtmlWebpackPlugin = require('html-webpack-plugin');
const TsconfigPathsPlugin = require('tsconfig-paths-webpack-plugin');

const htmlPlugin = new HtmlWebpackPlugin({
  template: './public/index.html',
});

const config = {
  mode: 'development',
  entry: './index.tsx',

  resolve: {
    extensions: ['.ts', '.tsx', '.js', '.json'],
    plugins: [new TsconfigPathsPlugin({ configFile: './tsconfig.json' })],
  },

  module: {
    rules: [
      {
        test: /\.tsx?$/,
        exclude: /node_modules/,
        loader: 'awesome-typescript-loader',
      },
      {
        test: /\.css/,
        use: [{ loader: 'style-loader' }, { loader: 'css-loader' }],
      },
      {
        test: /.*\.(gif|png|jpe?g)$/i,
        use: {
          loader: 'file-loader',
        },
      },
    ],
  },
  devServer: {
    historyApiFallback: true,
  },
  plugins: [htmlPlugin, new Dotenv()],
};

module.exports = config;

webpack.prod.ts

  
require('dotenv').config();
const Dotenv = require('dotenv-webpack');
const path = require('path');
import * as webpack from 'webpack';
const HtmlWebpackPlugin = require('html-webpack-plugin');
const TsconfigPathsPlugin = require('tsconfig-paths-webpack-plugin');

const htmlPlugin = new HtmlWebpackPlugin({
  template: './public/index.html',
  filename: './index.html',
});

const config: webpack.Configuration = {
  mode: 'production',
  entry: './index.tsx',

  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'bundle.js',
  },

  resolve: {
    extensions: ['.ts', '.tsx', '.js', '.json'],
    plugins: [new TsconfigPathsPlugin({ configFile: './tsconfig.json' })],
  },

  module: {
    rules: [
      {
        test: /\.tsx?$/,
        exclude: /node_modules/,
        loader: 'awesome-typescript-loader',
      },
      {
        test: /\.css/,
        use: [{ loader: 'style-loader' }, { loader: 'css-loader' }],
      },
      {
        test: /.*\.(gif|png|jpe?g)$/i,
        use: {
          loader: 'file-loader',
        },
      },
    ],
  },
  plugins: [htmlPlugin, new Dotenv()],
};

module.exports = config;