X09zGWy4

1keyPressSources.pipe(
2	// Input handlers to take input value for searching
3	switchMap(value => {
4		return from(fetchCakesByName(value)).pipe(
5			// Only make an API request for searching after 0.5s since user stopped pressing a key
6			debounce(0.5),
7			// Retry 3 times if an API request fails
8			retry(3),
9			// Cancel the search when press Esc or clear input
10			takeUntil(value => value === 'Esc' || value === ''),
11			// Handling errors by showing an error alerts
12			catchError(error => alert('Error in getting cakes'))
13		)
14	}),
15)