webpack.config.js

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

module.exports = {
  mode: 'development',
  stats: 'errors-only',
  entry: {
    app: path.join(__dirname, 'samples/reactJS/src/index.js'),
  },
  devtool: 'inline-source-map',
  devServer: {
    contentBase: path.join(__dirname, 'src'),
    clientLogLevel: 'silent'
  },
  module: {
    rules: [
      {
        test: /\.m?js$/,
        exclude: /(node_modules|bower_components)/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env','@babel/preset-react']
          }
        }
      },
      {
        test: /\.jsx?$/,
        loader: 'babel-loader',
        exclude: /node_modules/,
        query: {
          cacheDirectory: true,
          presets: ['@babel/preset-react']
        }
      },
      {
        test: /\.html$/,
        use: [
          {
            loader: 'html-loader',
            options: {
              minimize: true,
              interpolation: true,
              removeAttributeQuotes: false
            }
          }
        ]
      },
      {
        test: /\.css$/i,
        use: ['style-loader', 'css-loader'],
      },
      {
        test: /\.scss$/,
        use: [
            'style-loader',
            'css-loader',
            'sass-loader'
        ]
      },
      {
        test: /\.(woff(2)?|ttf|eot|svg|png)(\?v=\d+\.\d+\.\d+)?$/,
        use: [{
            loader: 'file-loader',
            options: {
                name: '[name].[ext]',
                outputPath: 'fonts/'
            }
        }]
      }
    ]
  },
  plugins: [
    new CleanWebpackPlugin(),
    new HtmlWebpackPlugin({
      title: 'Development',
      template: path.join(__dirname, 'samples/reactJS/src/index.html')
    }),
    new Dotenv()
  ],
  output: {
    filename: '[name].bundle.js',
    path: path.resolve(__dirname, 'dist')
  }
};