fix(change_detection): pass the correct previous value when using pipes

Closes #588
2015-02-20 16:23:16 -08:00
parent 1d4ffd986d
commit 7f31036427
2 changed files with 86 additions and 43 deletions
--- a/modules/angular2/src/change_detection/dynamic_change_detector.js
+++ b/modules/angular2/src/change_detection/dynamic_change_detector.js
@ -157,11 +157,11 @@ export class DynamicChangeDetector extends AbstractChangeDetector {

    var newValue = pipe.transform(context);
    if (! ChangeDetectionUtil.noChangeMarker(newValue)) {
+      var prevValue = this._readSelf(proto);
      this._writeSelf(proto, newValue);
      this._setChanged(proto, true);

      if (proto.lastInBinding) {
-        var prevValue = this._readSelf(proto);
        return ChangeDetectionUtil.simpleChange(prevValue, newValue);
      } else {
        return null;