Weird errors when using NeonAnimatableBehavior

[zoechi]

I don't know if this is a user-errors or polymer-elements or a Polymer.dart bug.
I got some simple examples with and without polymer_elements working but with JS wrapped behaviors I'm stuck.

Full example https://github.com/bwu-dart-playground/polymer1/tree/master/neon_animation
(app_element.dart and app_element.html)

Exception: Unhandled exception:
NoSuchMethodError: method not found: 'playAnimation'
Receiver: Instance of 'JsObjectImpl'
Arguments: ["entry", null]

0 JsObject.callMethod (dart:js:623)

1 PolymerElement&PolymerBase&NeonAnimatableBehavior&NeonAnimationRunnerBehavior.playAnimation (package:polymer_elements/neon_animation_runner_behavior.dart:24:17)

2 AppElement.play (http://localhost:63342/polymer1/neon_animation/web/app_element.dart:57:5)

3 AppElement.ready (http://localhost:63342/polymer1/neon_animation/web/app_element.dart:52:5)

4 Function._apply (dart:core-patch/function_patch.dart:7)

5 Function.apply (dart:core-patch/function_patch.dart:28)

6 _InstanceMirrorImpl.invoke (package:reflectable/src/reflectable_transformer_based.dart:149:23)

7 _setupLifecycleMethods.. (package:polymer/src/common/polymer_descriptor.dart:127:31)

8 JsObject._callMethod (dart:js:678)

9 JsObject.callMethod (dart:js:618)

10 HtmlElement&PolymerMixin.polymerCreated (package:polymer/src/common/polymer_mixin.dart:26:15)

11 PolymerElement.PolymerElement.created (package:polymer/polymer_micro.dart:25:5)

12 PolymerElement&PolymerBase.PolymerElement&PolymerBase.created (http://localhost:63342/polymer1/neon_animation/web/app_element.dart)

13 PolymerElement&PolymerBase&NeonAnimatableBehavior.PolymerElement&PolymerBase&NeonAnimatableBehavior.created (http://localhost:63342/polymer1/neon_animation/web/app_element.dart)

14 PolymerElement&PolymerBase&NeonAnimatableBehavior&NeonAnimationRunnerBehavior.PolymerElement&PolymerBase&NeonAnimatableBehavior&NeonAnimationRunnerBehavior.created (http://localhost:63342/polymer1/neon_animation/web/app_element.dart)

15 AppElement.AppElement.created (http://localhost:63342/polymer1/neon_animation/web/app_element.dart:20:26)

16 Blink_Utils.changeElementWrapper (dart:_blink:31542)

17 _Utils.changeElementWrapper (dart:html:42281)

18 _VMElementUpgrader.upgrade (dart:html:41073)

19 registerDartType.upgradeElement (package:web_components/interop.dart:38:45)

20 JsObject._callMethod (dart:js:678)

21 JsObject.callMethod (dart:js:618)

22 registerDartType (package:web_components/interop.dart:41:8)

23 CustomElementProxy.initialize (package:web_components/custom_element_proxy.dart:23:5)

24 PolymerRegister.initialize (package:polymer/src/common/polymer_register.dart:21:21)

25 loadInitializers.. (package:initialize/src/static_loader.dart:46:32)

26 _runInitQueue (package:initialize/initialize.dart:35:24)

27 _runInitQueue. (package:initialize/initialize.dart:38:26)

28 _RootZone.runUnary (dart:async/zone.dart:1165)

29 _Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:502)

30 _Future._propagateToListeners (dart:async/future_impl.dart:585)

31 _Future._completeWithValue (dart:async/future_impl.dart:376)

32 _Future._asyncComplete. (dart:async/future_impl.dart:430)

33 _microtaskLoop (dart:async/schedule_microtask.dart:43)

34 _microtaskLoopEntry (dart:async/schedule_microtask.dart:52)

35 _ScheduleImmediateHelper._handleMutation (dart:html:42565)

(I tried to port http://codepen.io/MWalid/pen/KpZpMz to Polymer.dart)

[jakemac53]

It wasn't finding behaviors properly due to a change in reflectable (superclassQuantifyCapability is now required explicitly), fixed by b36e731

[zoechi]

Yay! It's working. Thanks a lot for the quick fix!
Lots of fun playing with the new Polymer and elements :)

[jakemac53]

Ya, I really like how you can use JS behaviors from Dart elements :)

[zoechi]

Great work!