code: function isIgnoringFiles(path){
      if (!ignoring_files.length) return false;
  
      for (var i = 0, l = ignoring_files.length; i < l; i++){
          if (minimatch(path, ignoring_files[i])) return true;
      }
  
      return false;
  }
docs: 忽略指定文件
  @param  {String}  path 文件路径
  @return {Boolean}