I’m using Angular 19 with SSR, and I have a dropdown that momentarily displays the wrong value (e.g., the first option or a default) before updating to the correct one. I need the dropdown to show the correct value immediately upon rendering. Current Behavior: The dropdown briefly displays an incorrect or default value (e.g., "All categories") for a second. After a moment, it updates to the correct value based on the route parameter or the state. Expected Behavior: The dropdown should show the correct value immediately upon rendering without flickering or showing the default value. What I've Tried: Synchronizing state updates in explicitEffect and ngOnInit. Delaying rendering using @if. Forcing change detection (ChangeDetectorRef.detectChanges()). Despite these attempts, the issue persists. I suspect it might be due to SSR, route initialization, or how Angular renders the dropdown initially. Code Example: If you want to reproduce the issue, here’s the code hosted on StackBlitz. Make sure to open the StackBlitz preview in a new tab for route parameters to work: StackBlitz Link Current behavior Continue reading...
