docs: function () {
  
      var outputFiles = [
        path.join(module.folders.dest, '**/*')
      ].concat(ignoreGlob);
  
      return gulp.src(outputFiles, { read: false })
        .pipe(filter(function (file) {
          return isFile(file);
        }))
        .pipe(clean({ force: true }));
  
    }