webpack.config.js

const path = require('path');
const HTMLWebpackPlugin = require('html-webpack-plugin');

module.exports = {
  mode: process.env.NODE_ENV,
  entry: './client/index.tsx',
  devtool: 'inline-source-map',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'dist'),
    publicPath: '/'
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env', '@babel/preset-react']
          }
        },
        exclude: /node_modules/
      },
      {
        test: /\.(ts|tsx)$/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-typescript'],
          }
        },
        exclude: /node_modules/
      },
      {
        test: /\.scss$/,
        use: ['style-loader', 'css-loader', 'sass-loader']
      },
      {
        test: /\.(jpe?g|png|gif|svg)$/i,
        loader: 'file-loader',
        options: {
          publicPath: 'client/assets/photos'
        }
      },
    ]
  },
  resolve: {
    extensions: ['.tsx', '.ts', '.jsx', '.js']
  },
  devServer: {
    host: 'localhost',
    port: 8080,
    static: {
      directory: path.resolve(__dirname, 'dist'),
      publicPath: '/'
    },
    proxy: {
      '/': 'http://localhost:3000',
      secure: false
    }
  },
  plugins: [new HTMLWebpackPlugin({ template: './client/index.html' })]
};