System.err: TypeError: Cannot read property '_executingContext' of undefined

Environment

• CLI: 7.1.2
• Cross-platform modules: 7.1.3
• Android Runtime: 7.0.1
• Plugins:

├── @nativescript/android@7.0.1
├── @nativescript/core@7.1.3
├── @nativescript/theme@2.3.4
├── @nativescript/types@7.0.4
├── @nativescript/webpack@4.0.1

Describe the bug Building a project with --env.uglify causes the following crash on start:

System.err: An uncaught Exception occurred on "main" thread.
System.err: Calling js method onAnimationEnd failed
System.err: TypeError: Cannot read property '_executingContext' of undefined
System.err: 
System.err: StackTrace:
System.err: F(file: node_modules/@nativescript/core/ui/frame/fragment.transitions.android.js:537:40)
System.err: 	at r.onAnimationEnd(file: node_modules/@nativescript/core/ui/frame/fragment.transitions.android.js:177:8)
System.err: 	at com.tns.Runtime.callJSMethodNative(Native Method)
System.err: 	at com.tns.Runtime.dispatchCallJSMethodNative(Runtime.java:1302)
System.err: 	at com.tns.Runtime.callJSMethodImpl(Runtime.java:1188)
System.err: 	at com.tns.Runtime.callJSMethod(Runtime.java:1175)
System.err: 	at com.tns.Runtime.callJSMethod(Runtime.java:1153)
System.err: 	at com.tns.Runtime.callJSMethod(Runtime.java:1149)
System.err: 	at com.tns.gen.java.lang.Object_vendor_5941_22_r.onAnimationEnd(Object_vendor_5941_22_r.java:50)
System.err: 	at android.animation.AnimatorSet.endAnimation(AnimatorSet.java:1301)
System.err: 	at android.animation.AnimatorSet.doAnimationFrame(AnimatorSet.java:1086)
System.err: 	at android.animation.AnimationHandler.doAnimationFrame(AnimationHandler.java:146)
System.err: 	at android.animation.AnimationHandler.access$100(AnimationHandler.java:37)
System.err: 	at android.animation.AnimationHandler$1.doFrame(AnimationHandler.java:54)
System.err: 	at android.view.Choreographer$CallbackRecord.run(Choreographer.java:970)
System.err: 	at android.view.Choreographer.doCallbacks(Choreographer.java:796)
System.err: 	at android.view.Choreographer.doFrame(Choreographer.java:727)
System.err: 	at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:957)
System.err: 	at android.os.Handler.handleCallback(Handler.java:938)
System.err: 	at android.os.Handler.dispatchMessage(Handler.java:99)
System.err: 	at android.os.Looper.loop(Looper.java:223)
System.err: 	at android.app.ActivityThread.main(ActivityThread.java:7660)
System.err: 	at java.lang.reflect.Method.invoke(Native Method)
System.err: 	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592)
System.err: 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947)

To Reproduce Make sure you have the versions installed as mentioned above and run ns run android --env.uglify

% ns create issue-uglify --ts
% ns platform add android
% ns run android --env.uglify

Expected behavior No crash

[rigor789]

@saschaarthur https://github.com/NativeScript/NativeScript/pull/9165 - you will likely need to recreate config when released, because we enabled Prettier formatting on it - so it changed.

[rigor789]

Fixed in https://github.com/NativeScript/NativeScript/pull/9165