Angular · Middle · Question 62 of 75

How do you expose a signal from a service without letting components change it?

private readonly _items = signal<Item[]>([]);
readonly items = this._items.asReadonly();

✓Correct answer: Keep a private writable signal and expose asReadonly()
2Mark the signal public
3Signals can't be shared through services

Explanation

Components read items(), and changes go through the service's methods. This keeps updates in one place.

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