Function createEffectFn

packages/core/src/render3/reactivity/effect.ts:330–334

(node: EffectNode, fn: (onCleanup: EffectCleanupRegisterFn) => void)

}

function createEffectFn(node: EffectNode, fn: (onCleanup: EffectCleanupRegisterFn) => void) {
  return () => {
    fn((cleanupFn) => (node.cleanupFns ??= []).push(cleanupFn));
  };
}