chore: finish frontend ESLint migration #18

Enable every plugin recommended preset and replace Biome with ESLint formatting.

Preserve API contracts and JSX whitespace; verify source, tests, builds and tooling.

src/pages/accounts/ui/AccountsPage/AccountsPage.test.tsx

@@ -1,14 +1,16 @@
 import { MantineProvider } from "@mantine/core";
 import { type QueryClient, QueryClientProvider } from "@tanstack/react-query";
 import { fireEvent, render, screen, waitFor } from "@testing-library/react";
-import { HttpResponse, http } from "msw";
+import { http, HttpResponse } from "msw";
 import { MemoryRouter } from "react-router";
 import { describe, expect, it, vi } from "vitest";
+
 import { brokerageAccountsQueryKey } from "@/entities/brokerage-account";
 import { configureAuthClient } from "@/shared/api";
 import { createTestQueryClient } from "@/test/query";
 import { resource } from "@/test/resource";
 import { server } from "@/test/server";
+
 import { AccountsPage } from "./AccountsPage";
 import { AccountsPageEmpty } from "./components/AccountsPageEmpty.view";
 import { AccountsPageError } from "./components/AccountsPageError.view";
@@ -17,15 +19,15 @@ import { AccountsPageLoading } from "./components/AccountsPageLoading.view";
 const account = {
 	id: "account-1",
 	name: "Основной",
-	type: "BROKERAGE",
 	openedOn: "2026-01-01",
+	type: "BROKERAGE",
 } as const;
 
 function configureTestAuth() {
 	configureAuthClient({
 		accessToken: () => "test-token",
-		refresh: async () => true,
 		clear: vi.fn(),
+		refresh: () => Promise.resolve(true),
 	});
 }
 
@@ -44,7 +46,7 @@ function renderPage(queryClient: QueryClient) {
 
 describe("AccountsPage", () => {
 	it("loads accounts after retrying an initial HTTP failure", async () => {
-		const modes: (string | null)[] = [];
+		const modes: (null | string)[] = [];
 		server.use(
 			http.get("*/api/v1/brokerage-accounts", ({ request }) => {
 				modes.push(new URL(request.url).searchParams.get("sync"));
@@ -56,6 +58,7 @@ describe("AccountsPage", () => {
 		renderPage(createTestQueryClient());
 		fireEvent.click(await screen.findByRole("button", { name: "Повторить" }));
 		expect(await screen.findByText(account.name)).toBeVisible();
+		// eslint-disable-next-line unicorn/no-null -- Preserve the API/DOM null sentinel in the expected response.
 		expect(modes).toEqual([null, "observe"]);
 	});
 	it.each([
@@ -67,8 +70,10 @@ describe("AccountsPage", () => {
 				<State />
 			</MantineProvider>,
 		);
+		// eslint-disable-next-line vitest/no-conditional-expect -- The fixed table case selects the expected outcome; every case asserts its own branch.
 		if (role) expect(screen.getByRole(role)).toBeInTheDocument();
 		else
+			// eslint-disable-next-line vitest/no-conditional-expect -- The fixed table case selects the expected outcome; every case asserts its own branch.
 			expect(
 				screen.getByRole("heading", { name: "Нет инвестиционных счетов" }),
 			).toBeInTheDocument();
@@ -83,7 +88,7 @@ describe("AccountsPage", () => {
 				</MemoryRouter>
 			</MantineProvider>,
 		);
-		screen.getByRole("button", { name: "Повторить" }).click();
+		fireEvent.click(screen.getByRole("button", { name: "Повторить" }));
 		expect(retry).toHaveBeenCalledOnce();
 		expect(
 			screen.getByRole("link", { name: "Открыть настройки T-Bank" }),
@@ -97,9 +102,11 @@ describe("AccountsPage", () => {
 			http.get("*/api/v1/brokerage-accounts", () => {
 				requestCount += 1;
 				if (requestCount === 1) return HttpResponse.json(resource([account]));
-				return new Promise<Response>((resolve) => {
-					resolveRefresh = resolve;
-				});
+				{
+					const deferred = Promise.withResolvers<Response>();
+					resolveRefresh = deferred.resolve;
+					return deferred.promise;
+				}
 			}),
 		);
 		const queryClient = createTestQueryClient();
@@ -135,12 +142,12 @@ describe("AccountsPage", () => {
 			http.get("*/api/v1/brokerage-accounts", () => {
 				requestCount += 1;
 				if (requestCount === 1) return HttpResponse.json(resource([account]));
-				if (requestCount === 2)
-					return HttpResponse.json(
-						{ code: "TBANK_UNAVAILABLE" },
-						{ status: 503 },
-					);
-				return HttpResponse.json(resource([account]));
+				return requestCount === 2
+					? HttpResponse.json(
+							{ code: "TBANK_UNAVAILABLE" },
+							{ status: 503 },
+						)
+					: HttpResponse.json(resource([account]));
 			}),
 		);
 		const queryClient = createTestQueryClient();
@@ -157,7 +164,7 @@ describe("AccountsPage", () => {
 		expect(warning).toBeInTheDocument();
 		expect(screen.getByText(account.name)).toBeInTheDocument();
 
-		screen.getByRole("button", { name: "Повторить" }).click();
+		fireEvent.click(screen.getByRole("button", { name: "Повторить" }));
 		await waitFor(() => expect(requestCount).toBe(3));
 		await waitFor(() => expect(warning).not.toBeInTheDocument());
 		expect(screen.getByText(account.name)).toBeVisible();
@@ -169,11 +176,12 @@ describe("AccountsPage", () => {
 		server.use(
 			http.get("*/api/v1/brokerage-accounts", () => {
 				requestCount += 1;
-				if (requestCount === 1) return HttpResponse.json(resource([]));
-				return HttpResponse.json(
-					{ code: "TBANK_UNAVAILABLE" },
-					{ status: 503 },
-				);
+				return requestCount === 1
+					? HttpResponse.json(resource([]))
+					: HttpResponse.json(
+							{ code: "TBANK_UNAVAILABLE" },
+							{ status: 503 },
+						);
 			}),
 		);
 		const queryClient = createTestQueryClient();
@@ -202,9 +210,11 @@ it("keeps unknown membership loading instead of declaring no accounts", async ()
 	const client = createTestQueryClient();
 	renderPage(client);
 	await waitFor(() =>
-		expect(client.getQueryData(brokerageAccountsQueryKey)).toMatchObject({
-			data: null,
-		}),
+		expect(client.getQueryData(brokerageAccountsQueryKey)).toMatchObject((/* eslint-disable unicorn/no-null -- Fixture preserves the production contract’s explicit null values. */
+			{
+				data: null,
+			}
+			/* eslint-enable unicorn/no-null */)),
 	);
 	expect(
 		screen.queryByText("Нет инвестиционных счетов"),