useComputed top-level constant

JoltComputedHookCreator const useComputed

Creates a computed signal hook that derives its value from other signals.

A computed signal automatically recalculates its value when any of its dependencies change. It's read-only and provides efficient caching.

Parameters:

• value: Function that computes the derived value
• keys: Optional keys for hook memoization
• debug: Optional debug options

Returns: A Computed that automatically updates when dependencies change

Example:

Widget build(BuildContext context) {
  final firstName = useSignal('John');
  final lastName = useSignal('Doe');
  final fullName = useComputed(() => '${firstName.value} ${lastName.value}');

  return Text('Hello, ${fullName.value}');
}

Implementation

const useComputed = JoltComputedHookCreator._();