fix(vitest): only override ssr.optimizer instead of the whole ssr obj…

…ect (vitest-dev#4080)
LorenzoBloedow · Dec 19, 2023 · ceb6de4 · ceb6de4
1 parent 7be076c
commit ceb6de4
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/packages/vitest/src/node/plugins/optimizer.ts b/packages/vitest/src/node/plugins/optimizer.ts
@@ -13,9 +13,8 @@ export function VitestOptimizer(): Plugin {
 
         viteConfig.cacheDir = webOptimizer.cacheDir || ssrOptimizer.cacheDir || viteConfig.cacheDir
         viteConfig.optimizeDeps = webOptimizer.optimizeDeps
-        viteConfig.ssr = {
-          optimizeDeps: ssrOptimizer.optimizeDeps,
-        }
+        viteConfig.ssr ??= {}
+        viteConfig.ssr.optimizeDeps = ssrOptimizer.optimizeDeps
       },
     },
   }