angular
bug(snackbar): Snackbar appears twice when loading on app start
Is this a regression?
- [ ] Yes, this behavior used to work in the previous version
The previous version in which this bug was not present was
No response
Description
Snackbar appears twice - once without animation, and once with. I could only see this when showing the snackbar in my root component. Please manually scrub the videos to see the two states.
https://github.com/angular/components/assets/4698762/1a0fe6a8-2c2b-4489-b18e-97208b79d1b9
https://github.com/angular/components/assets/4698762/f71b3034-6fbe-4e61-aea2-b99e8a49b47d
Showing snackbar later works fine, as seen on docs: https://material.angular.io/components/snack-bar/examples.
Reproduction
StackBlitz link: https://stackblitz.com/edit/stackblitz-starters-shuyqd?file=src%2Fmain.ts
Steps to reproduce:
- Load snackbar in root component
- Reload
Expected Behavior
Snackbar should appear once, gracefully with fade-in animation. It does so when not loading in root component.
Actual Behavior
Snackbar appears once without animation and then fade-in animation kicks in.
Environment
- Angular: 17.2.1
- CDK/Material: 17.2.0
- Browser(s): Consistently on Firefox and Safari, sometimes on Chrome
- Operating System (e.g. Windows, macOS, Ubuntu):
