Function useAtomValueSafe

frontend/util/util.ts:238–243

(atom: Atom<T> | Atom<Promise<T>>)

const NullAtom = atom(null);

function useAtomValueSafe<T>(atom: Atom<T> | Atom<Promise<T>>): T {
    if (atom == null) {
        return useAtomValue(NullAtom) as T;
    }
    return useAtomValue(atom);
}

/**
 * Simple wrapper function that lazily evaluates the provided function and caches its result for future calls.