chore(infra): Migrate test runner from Vitest to Rstest

.github/workflows/release.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: 22
+          node-version: 24
 
       - name: Setup Package Managers
         run: |

.github/workflows/test-ubuntu.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [18]
+        node-version: [24]
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:

.github/workflows/test-windows.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: windows-latest
     strategy:
       matrix:
-        node-version: [18]
+        node-version: [24]
     steps:
       - name: Git config
         shell: bash

e2e/__snapshots__/index.test.ts.snap

@@ -1,4 +1,4 @@
-// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
+// Rstest Snapshot v1
 
 exports[`should serialize file content 2`] = `
 "\\"use strict\\";

e2e/escapeEOL.test.ts

@@ -1,7 +1,6 @@
 import { readFile } from 'node:fs/promises';
 import path from 'node:path';
-import { expect } from 'vitest';
-import { test } from 'vitest';
+import { expect, test } from '@rstest/core';
 import { createSnapshotSerializer } from 'path-serializer';
 
 test('should escapeEOL', async () => {

e2e/features.test.ts

@@ -1,7 +1,6 @@
 import path from 'node:path';
+import { expect, test } from '@rstest/core';
 import { createSnapshotSerializer } from 'path-serializer';
-import { expect } from 'vitest';
-import { test } from 'vitest';
 
 expect.addSnapshotSerializer(
   createSnapshotSerializer({

e2e/index.test.ts

@@ -1,7 +1,7 @@
 import { createRequire } from 'node:module';
 import path from 'node:path';
+import { expect, test } from '@rstest/core';
 import { createSnapshotSerializer } from 'path-serializer';
-import { expect, test } from 'vitest';
 
 const require = createRequire(import.meta.url);
 

e2e/pnpmGlobalVirtualStore.test.ts

@@ -1,5 +1,5 @@
+import { expect, test } from '@rstest/core';
 import { createSnapshotSerializer } from 'path-serializer';
-import { expect, test } from 'vitest';
 
 expect.addSnapshotSerializer(
   createSnapshotSerializer({

e2e/pnpmInnerWin32.test.ts

@@ -1,5 +1,5 @@
+import { expect, test } from '@rstest/core';
 import { createSnapshotSerializer } from 'path-serializer';
-import { expect, test } from 'vitest';
 
 expect.addSnapshotSerializer(
   createSnapshotSerializer({

e2e/replaceRootWithFileProtocol.test.ts

@@ -1,7 +1,7 @@
 import { join } from 'node:path';
 import { pathToFileURL } from 'node:url';
+import { expect, test } from '@rstest/core';
 import { createSnapshotSerializer } from 'path-serializer';
-import { expect, test } from 'vitest';
 
 test('should work with __dirname', () => {
   expect.addSnapshotSerializer(

e2e/transformCLR.test.ts

@@ -1,5 +1,5 @@
 import path from 'node:path';
-import { expect, test } from 'vitest';
+import { expect, test } from '@rstest/core';
 import { createSnapshotSerializer } from 'path-serializer';
 
 expect.addSnapshotSerializer(

package.json

@@ -26,30 +26,31 @@
     "dev": "rslib build --watch",
     "lint": "biome check --write",
     "prepare": "pnpm run build && simple-git-hooks",
-    "test:watch": "vitest",
-    "test": "vitest run",
+    "test:watch": "rstest --watch",
+    "test": "rstest",
     "prepublish": "pnpm run build",
     "bump": "npx bumpp"
   },
   "simple-git-hooks": {
     "pre-commit": "npx nano-staged"
   },
   "devDependencies": {
-    "vitest": "^2.1.6",
     "@biomejs/biome": "^1.9.4",
     "@microsoft/api-extractor": "^7.48.0",
-    "@rslib/core": "0.1.1",
+    "@rslib/core": "0.18.6",
+    "@rstest/adapter-rslib": "0.2.1",
+    "@rstest/core": "0.9.2",
     "@types/lodash-es": "^4.17.12",
     "@types/node": "^22.10.1",
+    "execa": "9.5.1",
+    "fs-extra": "11.2.0",
     "lodash-es": "^4.17.21",
     "nano-staged": "^0.8.0",
+    "semver": "7.6.3",
     "simple-git-hooks": "^2.11.1",
     "slash": "5.1.0",
     "typescript": "^5.7.2",
-    "upath": "^2.0.1",
-    "execa": "9.5.1",
-    "fs-extra": "11.2.0",
-    "semver": "7.6.3"
+    "upath": "^2.0.1"
   },
   "packageManager": "pnpm@10.32.1+sha512.a706938f0e89ac1456b6563eab4edf1d1faf3368d1191fc5c59790e96dc918e4456ab2e67d613de1043d2e8c81f87303e6b40d4ffeca9df15ef1ad567348f2be",
   "publishConfig": {