fix(hmr): client pinging behind a proxy on websocket disconnect (fix #…

…4501) (#5466)
vitejs · Mar 3, 2022 · 96573db · 96573db
1 parent c8a7ea8
commit 96573db
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/packages/vite/src/client/client.ts b/packages/vite/src/client/client.ts
@@ -214,9 +214,14 @@ async function waitForSuccessfulPing(ms = 1000) {
   // eslint-disable-next-line no-constant-condition
   while (true) {
     try {
-      await fetch(`${base}__vite_ping`)
-      break
+      const pingResponse = await fetch(`${base}__vite_ping`)
+
+      // success - 2xx status code
+      if (pingResponse.ok) break
+      // failure - non-2xx status code
+      else throw new Error()
     } catch (e) {
+      // wait ms before attempting to ping again
       await new Promise((resolve) => setTimeout(resolve, ms))
     }
   }