From a5058e2d513b525c4633cf660bd732f8a97f3c71 Mon Sep 17 00:00:00 2001
From: Rolandas Razma <rolandas@razma.lt>
Date: Mon, 22 Feb 2021 10:56:25 +0000
Subject: [PATCH] Update RequestChain.swift
---
Sources/Apollo/RequestChain.swift | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Sources/Apollo/RequestChain.swift b/Sources/Apollo/RequestChain.swift
index 01b7ab5770..b7dad66a1b 100644
--- a/Sources/Apollo/RequestChain.swift
+++ b/Sources/Apollo/RequestChain.swift
@@ -111,6 +111,11 @@ public class RequestChain: Cancellable {
/// Cancels the entire chain of interceptors.
public func cancel() {
+ guard self.isNotCancelled else {
+ // Do not proceed, this chain has been cancelled.
+ return
+ }
+
self.isCancelled.mutate { $0 = true }
// If an interceptor adheres to `Cancellable`, it should have its in-flight work cancelled as well.