food-add-edu/src/components/common/canvasPortal.ts

import type { RefObject } from "react";

let portalRoot: RefObject<HTMLDivElement | null> | null = null;

export function registerAppPortalRoot(
	container: RefObject<HTMLDivElement | null>,
): () => void {
	portalRoot = container;
	return () => {
		if (portalRoot === container) portalRoot = null;
	};
}

export function getAppPortalRoot(): HTMLDivElement | null {
	return portalRoot?.current ?? null;
}