@daqi/useless-files-webpack5-plugin

example

 module.exports = {
    ....
    plugins:[
         new UnusedFilesW5WebpackPlugin({
          root: ['./src', './mock'] // It can also be a string './xxxx',
          clean: false,
          excludeSuffix: ['.d.ts','.js'],
          output: './useless-files.json',
          exclude: ['xxx.mock.js','m.xxx.js'], // t can also be a string 'xxxx.js',
        }),
    ]
 }