webpack.config.js

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

const config = {
  entry: ['react-hot-loader/patch', './src/index.js'],
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'bundle.js'
  },
  mode: process.env.NODE_ENV,
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        loader: 'babel-loader',
        options: {
          presets: ['@babel/preset-env', '@babel/preset-react'],
          plugins: ['@babel/transform-runtime']
        }
      },
      {
        test: /\.scss?/,
        exclude: /(node_modules)/,
        use: ['style-loader', 'css-loader', 'sass-loader']
      },
      {
        test: /\.css$/,
        use: [
          // 2. Inject CSS into the DOM
          {
            loader: 'style-loader'
          },
          // 1. Convert CSS to CommonJS
          {
            loader: 'css-loader'
          }
        ]
      },
      {
        test: /\.ts(x)?$/,
        loader: 'ts-loader',
        exclude: /node_modules/
      },
      {
        test: /\.(png|jpe?g|gif)$/i,
        use: [
          {
            loader: 'file-loader'
          }
        ]
      }
    ]
  },
  resolve: {
    extensions: ['.js', '.jsx', '.tsx', '.ts'],
    alias: {
      'react-dom': '@hot-loader/react-dom'
    }
  },
  devServer: {
    contentBase: './dist',
    proxy: {
      '/api': 'http://localhost:3000',
      '/api/profile': 'http://localhost:3000'
    },
    historyApiFallback: true
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: `./public/index.html`
    })
  ]
};

module.exports = config;