config.js

// How I configured my plugins

new TerserPlugin({
    terserOptions: {
      sourceMap: true,
      parallel: true,
      cache: true,
      compress: true,
      mangle: true,
      toplevel: false,
      sourceMap: true,
      output: {
        comments: /@license/,
      }
    }
  }),
  
  new webpack.SourceMapDevToolPlugin({
    filename: 'sourcemap/[name].js.map',
    publicPath: 'https://my_domain.net/',
    fileContext: 'public'
  })