import { describe, expect, it } from "@effect/vitest";import * as Cause from "effect/Cause";import * as AsyncResult from "effect/unstable/reactivity/AsyncResult"; import { isAsyncResultLoading } from "./async-result"; describe("isAsyncResultLoading", () => {  it("treats initial and waiting-without-value async results as loading", () => {    expect(isAsyncResultLoading(AsyncResult.initial())).toBe(true);    expect(isAsyncResultLoading(AsyncResult.initial(true))).toBe(true);    expect(isAsyncResultLoading(AsyncResult.failure(Cause.fail("boom"), { waiting: true }))).toBe(      true,    );  });   it("does not treat settled success or failure as loading", () => {    expect(isAsyncResultLoading(AsyncResult.success(["ready"]))).toBe(false);    expect(isAsyncResultLoading(AsyncResult.failure(Cause.fail("boom")))).toBe(false);  });   it("keeps stale values rendered while a refresh is waiting", () => {    expect(isAsyncResultLoading(AsyncResult.success(["cached"], { waiting: true }))).toBe(false);  });});