build(dev-deps): bump vitest to 4.1.5

package.json

@@ -55,7 +55,7 @@
     "tsx": "^4.21.0",
     "typedoc": "~0.28.0",
     "typescript": "^6.0.2",
-    "vitest": "^3.2.4",
+    "vitest": "^4.1.5",
     "xvfb-maybe": "^0.2.1"
   },
   "dependenciesMeta": {

vitest.electron-reporter.ts

@@ -1,44 +1,23 @@
-import { RunnerTestFile, Task } from 'vitest';
-import { Reporter } from 'vitest/reporters';
-
-function countFailures(tasks: Task[]): number {
-  let count = 0;
-  for (const task of tasks) {
-    if (task.result?.state === 'fail') {
-      count++;
-    }
-    if ('tasks' in task && task.tasks) {
-      count += countFailures(task.tasks);
-    }
-  }
-  return count;
-}
+import type { Reporter, TestModule, TestRunEndReason } from 'vitest/node';
 
 export default class ElectronExitReporter implements Reporter {
-  onFinished(files: RunnerTestFile[], errors: unknown[]) {
+  onTestRunEnd(
+    _testModules: ReadonlyArray<TestModule>,
+    unhandledErrors: ReadonlyArray<unknown>,
+    reason: TestRunEndReason,
+  ) {
     if (!process.versions.electron) {
       return;
     }
 
-    let failureCount = 0;
-
-    for (const file of files) {
-      if (file.result?.state === 'fail') {
-        failureCount++;
-      }
-      if (file.tasks) {
-        failureCount += countFailures(file.tasks);
-      }
-    }
-
-    const hasExecutionErrors = errors && errors.length > 0;
-    const exitCode = failureCount > 0 || hasExecutionErrors ? 1 : 0;
+    const hasFailures = reason === 'failed';
+    const hasExecutionErrors = unhandledErrors && unhandledErrors.length > 0;
+    const exitCode = hasFailures || hasExecutionErrors ? 1 : 0;
 
-    // In Electron, vitest calls process.exit() after onFinished with its own
-    // exit code, which doesn't account for nested test failures. Override
-    // process.exit so our exit code takes precedence on failure.
+    // In Electron, vitest calls process.exit() after onTestRunEnd with its own
+    // exit code. Override process.exit so our exit code takes precedence on failure.
     if (exitCode !== 0) {
       const originalExit = process.exit;
       process.exit = ((_code?: number) => {
         originalExit.call(process, exitCode);
       }) as never;