fix: backward compat for server.preTransformRequests

vitejs · Jan 23, 2025 · 5c35f99 · 5c35f99
1 parent 3aa10b7
commit 5c35f99
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/packages/vite/src/node/config.ts b/packages/vite/src/node/config.ts
@@ -1110,6 +1110,16 @@ export async function resolveConfig(
     configEnvironmentsSsr.dev.warmup = warmupOptions.ssrFiles
   }
 
+  // Backward compatibility: server.preTransformRequests -> environment.dev.preTransformRequests
+  if (typeof config.server?.preTransformRequests !== 'undefined') {
+    configEnvironmentsClient.dev.preTransformRequests =
+      config.server?.preTransformRequests
+    configEnvironmentsSsr ??= {}
+    configEnvironmentsSsr.dev ??= {}
+    configEnvironmentsSsr.dev.preTransformRequests =
+      config.server?.preTransformRequests
+  }
+
   // Backward compatibility: merge ssr into environments.ssr.config as defaults
   if (configEnvironmentsSsr) {
     configEnvironmentsSsr.optimizeDeps = mergeConfig(