webpack.config.dev.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');

module.exports = {
  entry: './src/index.tsx',
  output: {
    filename: 'app.js',
    path: path.resolve(__dirname, 'build'),
    publicPath: '/',
  },
  devServer: {
    historyApiFallback: true,
    contentBase: './build',
  },
  devtool: 'inline-source-map',
  mode: 'development',
  resolve: {
    extensions: ['.tsx', '.ts', '.js'],
  },
  module: {
    rules: [
      {
        test: /\.(html)$/,
        use: {
          loader: 'html-loader',
        },
      },  
      {
        test: /\.(png|jpg|gif)$/,
        use: [
          {
            loader: 'file-loader',
            options: {
             
            },
          }, 
        ],
      },
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: [/node_modules/,/\.test.tsx?$/],
      },
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env', '@babel/preset-react'],
          },
        },
      },
      {
        test: /\.(scss|css)$/,
        use: [
          // Creates `style` nodes from JS strings
          'style-loader',
          // Translates CSS into CommonJS
          'css-loader',
          // Compiles Sass to CSS
          'sass-loader',
        ],
      },
    ],
  },
  plugins: [
    new CleanWebpackPlugin(),
    new HtmlWebpackPlugin({
      title: 'Custom template',
      template: 'src/index.html',
    }),
  ],
};