webpack.config.js

const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const Dotenv = require('dotenv-webpack')
const { DefinePlugin } = require('webpack')

module.exports = {
  mode: 'development',
  entry: './src/main/index.tsx',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'bundle.js',
    publicPath: '/'
  },
  resolve: {
    extensions: ['.ts', '.tsx', '.js', '.jsx', 'scss'],
    alias: {
      '@': path.resolve(__dirname, 'src')
    }
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: ['babel-loader']
      },
      {
        test: /\.html$/,
        use: {
          loader: 'html-loader'
        }
      },
      {
        test: /\.ts(x?)$/,
        exclude: /node_modules/,
        loader: 'ts-loader'
      },
      {
        test: /\.scss$/,
        use: [
          {
            loader: 'style-loader'
          },
          {
            loader: 'css-loader',
            options: {
              modules: true
            }
          },
          {
            loader: 'sass-loader'
          }
        ]
      },
      {
        test: /\.(jpg|jpeg|png|gif|mp3|svg)$/,
        use: ['file-loader']
      }
    ]
  },
  devServer: {
    port: 9000,
    compress: true,
    hot: true,
    static: path.join(__dirname, 'dist'),
    historyApiFallback: true,
    open: true
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './public/index.html',
      filename: 'index.html'
    }),
    new Dotenv(),
    new DefinePlugin({
      'process.env.API_URL': JSON.stringify('http://fordevs.herokuapp.com/api')
    })
  ]
}