one more refactor...

This commit is contained in:
Brad Dunbar
2012-01-30 13:57:00 -05:00
parent ef9d40aa82
commit fb97ef1e86

View File

@@ -395,16 +395,13 @@
// You can also pass an attributes object to diff against the model,
// determining if there *would be* a change.
changedAttributes: function(diff) {
if (diff) {
var val, changed = false, old = this._previousAttributes;
for (var attr in diff) {
if (_.isEqual(old[attr], (val = diff[attr]))) continue;
(changed || (changed = {}))[attr] = val;
}
return changed;
if (!diff) return this.hasChanged() ? _.clone(this._changed) : false;
var val, changed = false, old = this._previousAttributes;
for (var attr in diff) {
if (_.isEqual(old[attr], (val = diff[attr]))) continue;
(changed || (changed = {}))[attr] = val;
}
if (!this.hasChanged()) return false;
return _.clone(this._changed);
return changed;
},
// Get the previous value of an attribute, recorded at the time the last