Tag: Angular

Share state via root services with signals or RxJS.

Use signals for fine-grained reactive state in modern Angular.

Model feature state with signals in services and components.

Group controls into FormGroup and FormArray structures.

Use built-in validators and show errors when touched/dirty.

Write sync/async validators as functions returning ValidationErrors | null.

Build FormArray-driven UIs for repeating fields.

Validate, map form values to DTOs, and call APIs on submit.

Queue inner Observables one after another.

Recover from stream errors by returning a fallback Observable.