fix(proxy): handle error when proxy itself errors

vitejs · Jul 23, 2023 · befb2af · befb2af
1 parent 06e4f57
commit befb2af
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/packages/vite/src/node/server/middlewares/proxy.ts b/packages/vite/src/node/server/middlewares/proxy.ts
@@ -51,6 +51,10 @@ export function proxyMiddleware(
     }
 
     proxy.on('error', (err, req, originalRes) => {
+      // originalRes can be falsy if the proxy itself errored
+      if (!originalRes) {
+        httpServer?.emit('error', err)
+      }
       // When it is ws proxy, res is net.Socket
       const res = originalRes as http.ServerResponse | net.Socket
       if ('req' in res) {