Function destroy_effect

packages/svelte/src/internal/client/reactivity/effects.js:511–563

(effect, remove_dom = true)

 * @returns {void}
 */
export function destroy_effect(effect, remove_dom = true) {
	var removed = false;

	if (
		(remove_dom || (effect.f & HEAD_EFFECT) !== 0) &&
		effect.nodes !== null &&
		effect.nodes.end !== null
	) {
		remove_effect_dom(effect.nodes.start, /** @type {TemplateNode} */ (effect.nodes.end));
		removed = true;
	}

	effect.f |= DESTROYING;
	destroy_effect_children(effect, remove_dom && !removed);
	remove_reactions(effect, 0);

	var transitions = effect.nodes && effect.nodes.t;

	if (transitions !== null) {
		for (const transition of transitions) {
			transition.stop();
		}
	}

	execute_effect_teardown(effect);

	effect.f ^= DESTROYING;
	effect.f |= DESTROYED;

	var parent = effect.parent;

	// If the parent doesn't have any children, then skip this work altogether
	if (parent !== null && parent.first !== null) {
		unlink_effect(effect);
	}

	if (DEV) {
		effect.component_function = null;
	}

	// `first` and `child` are nulled out in destroy_effect_children
	// we don't null out `parent` so that error propagation can work correctly
	effect.next =
		effect.prev =
		effect.teardown =
		effect.ctx =
		effect.deps =
		effect.fn =
		effect.nodes =
		effect.ac =
		effect.b =
			null;
}

/**
 *