Issue on ionic v8 + capacitorJs + angular 19

Ionic Framework Ionic Angular
1

Hello,
I have a strange issue. To reproduce:

  1. Create a simple “tabs” (ionic start) project with Angular 19 on the latest version.
    ionic serve: works fine.
  2. Add Capacitor:
npm cap add android  
ionic build  
npx cap sync
  1. Then, with Android Studio, I deploy to Android and get an error:
    "NullInjectorError: No provider for ho!"

If I add "optimization": false in the configurations of angular.json:

ionic build  
npx cap sync

Then, with Android Studio, I deploy to Android: it works fine.

It seems like “uglification” causes an issue with Angular 19 in combination with Ionic and Capacitor.

If I downgrade to Angular 18, the problem disappears.

Did I miss something?

Can anyone let me know if they’re experiencing the same issue?

2

Just for information, the issue is not link to capacitor.
In fact, if you tried to run the compiled project locally from www, we have the same problem

https://stackblitz.com/~/github.com/devilalex505/test-ez0kwm
1 . ng build
2 . node run.js

3

I can confirm the same behavior. Angular 19 generates Injector errors if optimized (in my case cr!), works fine if optimization is set to false. I can also confirm that it works if you back down to Angular 18.