feat(auth): add selectStatusIsLoading selector to get information whether auth store status equals "loading"

src/features/auth/model/selectors/index.ts

@@ -1,2 +1,3 @@
 export * from "./selectFormValid/selectFormValid";
 export * from "./selectAuthData/selectAuthData";
+export * from "./selectStatusIsLoading/selectStatusIsLoading";

src/features/auth/model/selectors/selectStatusIsLoading/selectStatusIsLoading.spec.ts

@@ -0,0 +1,18 @@
+import { useAuthStore } from "../../stores";
+import { selectStatusIsLoading } from "./selectStatusIsLoading";
+
+describe("selectStatusIsLoading", () => {
+  afterEach(() => {
+    useAuthStore.getState().reset();
+  });
+
+  it("should return true when status is 'loading'", () => {
+    useAuthStore.setState({ status: "loading" });
+    expect(selectStatusIsLoading(useAuthStore.getState())).toBe(true);
+  });
+
+  it("should return false when status is not 'loading'", () => {
+    useAuthStore.setState({ status: "idle" });
+    expect(selectStatusIsLoading(useAuthStore.getState())).toBe(false);
+  });
+});

src/features/auth/model/selectors/selectStatusIsLoading/selectStatusIsLoading.ts

@@ -0,0 +1,4 @@
+import type { AuthStore } from "../../types/store";
+
+export const selectStatusIsLoading = (state: AuthStore) =>
+  state.status === "loading";