Minseok Choe stonechoe

stonechoe / useLastResolvedAtomValue.ts

Created May 16, 2025 09:49

	import { useMemo } from "react";
	import { atom, Atom, useAtomValue } from "jotai";
	import { loadable } from "jotai/utils";
	import { withAtomEffect } from "jotai-effect";

	const cache = new WeakMap<Atom<Promise<unknown>>, Atom<[boolean, unknown]>>();

	function pendingAtom<T>(promiseAtom: Atom<Promise<T>>, initialFallback: T): Atom<[boolean, T]> {
	if (cache.has(promiseAtom)) {
	return cache.get(promiseAtom)! as Atom<[boolean, T]>;