From f4ec21cc036b1c68f1b61bbb67b506ab2ef21590 Mon Sep 17 00:00:00 2001
From: Matthew Cullum <matthew@growdnd.com>
Date: Mon, 2 Aug 2021 15:02:41 -0700
Subject: [PATCH] Implement a fix for the "ERROR Error: Observable cancelled
 prematurely" bug
 https://github.com/apollographql/apollo-client/issues/7608#issuecomment-882418482

---
 src/utilities/observables/Concast.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/utilities/observables/Concast.ts b/src/utilities/observables/Concast.ts
index 0126650b051..bcc8e4f7b82 100644
--- a/src/utilities/observables/Concast.ts
+++ b/src/utilities/observables/Concast.ts
@@ -178,7 +178,7 @@ export class Concast<T> extends Observable<T> {
         // Delay unsubscribing from the underlying subscription slightly,
         // so that immediately subscribing another observer can keep the
         // subscription active.
-        if (sub) Promise.resolve().then(() => sub.unsubscribe());
+        if (sub) setTimeout(()=>{sub.unsubscribe()}, 0)
         this.sub = null;
         this.latest = ["error", error];
         this.reject(error);