chore: upgrade vitest to v2.0.0

frontend/package.json

@@ -230,7 +230,7 @@
     "typescript": "^5.7.2",
     "vite": "^5.4.2",
     "vite-tsconfig-paths": "^4.3.2",
-    "vitest": "^1.6.0"
+    "vitest": "^2.0.0"
   },
   "packageManager": "[email protected]",
   "pnpm": {

frontend/src/components/editor/file-tree/__tests__/requesting-tree.test.ts

@@ -65,7 +65,9 @@ describe("RequestingTree", () => {
     expect(result).toBe(true);
     expect(sendListFiles).toHaveBeenCalledWith({ path: "/root/folder1" });
     expect(mockOnChange).toHaveBeenCalled();
-    expect(mockOnChange.mock.calls.at(-1)[0]).toMatchInlineSnapshot(`
+    const lastCall = mockOnChange.mock.calls.at(-1);
+    expect(lastCall).toBeDefined();
+    expect(lastCall![0]).toMatchInlineSnapshot(`
       [
         {
           "id": "1.1",
@@ -104,7 +106,9 @@ describe("RequestingTree", () => {
       newPath: "/root/file2",
     });
     expect(mockOnChange).toHaveBeenCalled();
-    expect(mockOnChange.mock.calls.at(-1)[0]).toMatchInlineSnapshot(`
+    const lastCall = mockOnChange.mock.calls.at(-1);
+    expect(lastCall).toBeDefined();
+    expect(lastCall![0]).toMatchInlineSnapshot(`
       [
         {
           "id": "1.1",
@@ -133,7 +137,9 @@ describe("RequestingTree", () => {
     await requestingTree.move(["1.1"], "1.2");
     expect(sendRenameFileOrFolder).toHaveBeenCalled();
     expect(mockOnChange).toHaveBeenCalled();
-    expect(mockOnChange.mock.calls.at(-1)[0]).toMatchInlineSnapshot(`
+    const lastCall = mockOnChange.mock.calls.at(-1);
+    expect(lastCall).toBeDefined();
+    expect(lastCall![0]).toMatchInlineSnapshot(`
       [
         {
           "id": "1.1",
@@ -183,7 +189,9 @@ describe("RequestingTree", () => {
     await requestingTree.refreshAll(["1.1"]);
     expect(sendListFiles).toHaveBeenCalled();
     expect(mockOnChange).toHaveBeenCalled();
-    expect(mockOnChange.mock.calls.at(-1)[0]).toMatchInlineSnapshot(`
+    const lastCall = mockOnChange.mock.calls.at(-1);
+    expect(lastCall).toBeDefined();
+    expect(lastCall![0]).toMatchInlineSnapshot(`
       [
         {
           "id": "1.1",

frontend/src/core/codemirror/editing/__tests__/commands.test.ts

@@ -1,3 +1,4 @@
+/* Copyright 2024 Marimo. All rights reserved. */
 import { describe, it, expect, vi, beforeEach } from "vitest";
 import type { EditorView } from "@codemirror/view";
 import { makeBulkCommand, foldAllBulk, unfoldAllBulk } from "../commands";

frontend/src/plugins/impl/vega/__tests__/loader.test.ts

@@ -59,7 +59,10 @@ describe("DATE_MIDDLEWARE", () => {
     const csv = "Date,Value\n2024-13-45,100\n2024-02-30,200";
 
     // When parsing the CSV
-    const data = parseCsvData(csv, false) as { Date: string; Value: number }[];
+    const data = parseCsvData(csv, false) as Array<{
+      Date: string;
+      Value: number;
+    }>;
 
     // Then invalid dates should remain as strings
     expect(typeof data[0].Date).toBe("string");

frontend/src/plugins/layout/TexPlugin.tsx

@@ -31,7 +31,7 @@ const importKatex = once(async () => {
 });
 
 const importMhChem = once(async () => {
-  // @ts-ignore : type is not exported by katex
+  // @ts-expect-error : type is not exported by katex
   await import("katex/contrib/mhchem");
 });
 

frontend/vitest.config.ts

@@ -7,6 +7,9 @@ export default defineConfig({
     environment: "jsdom",
     include: ["src/**/*.test.ts", "src/**/*.test.tsx"],
     setupFiles: ["src/__tests__/setup.ts"],
+    sequence: {
+      hooks: "parallel", // Maintain parallel hook execution from Vitest 1.x
+    },
   },
   plugins: [tsconfigPaths()],
 });