code: function(changed) {
  			$.each(changed, function(i, file) {
  				var hash = file.hash;
  				if (files[hash]) {
  					$.each(Object.keys(files[hash]), function(i, v){
  						if (typeof file[v] === 'undefined') {
  							delete files[hash][v];
  						}
  					});
  				}
  				files[hash] = files[hash] ? Object.assign(files[hash], file) : file;
  			});
  		}
docs: this.time('load');