From df054e45a5b1eb09cd6663f69de35ea25851a89e Mon Sep 17 00:00:00 2001
From: btea <2356281422@qq.com>
Date: Sun, 9 Aug 2026 11:29:29 +0800
Subject: [PATCH] chore: fix ts errors in build test cases

---
 packages/vite/src/node/__tests__/build.spec.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/vite/src/node/__tests__/build.spec.ts b/packages/vite/src/node/__tests__/build.spec.ts
index 7d67dc0979216e..cc26b3a47f2347 100644
--- a/packages/vite/src/node/__tests__/build.spec.ts
+++ b/packages/vite/src/node/__tests__/build.spec.ts
@@ -5,6 +5,7 @@ import colors from 'picocolors'
 import { afterEach, describe, expect, assert, test, vi } from 'vitest'
 import type {
   LogLevel,
+  OutputAsset,
   OutputChunk,
   OutputOptions,
   RolldownOptions,
@@ -1069,7 +1070,8 @@ test('chunkImportMap per environment with shared plugins', async () => {
     (output) => output.type === 'asset' && output.fileName.endsWith('.css'),
   )!
   const importMapAsset = client!.output.find(
-    (output) => output.type === 'asset' && output.fileName === 'importmap.json',
+    (output): output is OutputAsset =>
+      output.type === 'asset' && output.fileName === 'importmap.json',
   )!
   expect(
     ssr!.output.some(