Function useConstant

packages/qwik/src/core/use/use-signal.ts:39–47

(value: (() => T) | T)

 * @public
 */
export const useConstant = <T>(value: (() => T) | T): T => {
  const { val, set } = useSequentialScope<T>();
  if (val != null) {
    return val;
  }
  // Note: We are not using `invoke` here because we don't want to clear the context
  value = isFunction(value) && !isQwikComponent(value) ? value() : value;
  return set(value as T);
};

/**
 * Hook that creates a signal that is retained for the lifetime of the component.