From 9dc896d94aa678a2b70de675ea3acbca587c602f Mon Sep 17 00:00:00 2001
From: jaltreuter <jaltreuter@gmail.com>
Date: Wed, 7 Oct 2020 10:44:06 -0700
Subject: [PATCH] fix: nil dynamic config refresh crash (#288) (#289)

Abort execution of completion block after dynamic config refresh completes if self is now nil

Co-authored-by: Jamie Altreuter <jamie@aisense.com>
---
 Sources/Amplitude/Amplitude.m | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Sources/Amplitude/Amplitude.m b/Sources/Amplitude/Amplitude.m
index 41911fc3..c56d65be 100644
--- a/Sources/Amplitude/Amplitude.m
+++ b/Sources/Amplitude/Amplitude.m
@@ -825,6 +825,9 @@ - (void)refreshDynamicConfig {
         __weak typeof(self) weakSelf = self;
         [[AMPConfigManager sharedInstance] refresh:^{
             __strong typeof(self) strongSelf = weakSelf;
+            if (strongSelf == nil) {
+                return;
+            }
             strongSelf->_serverUrl = [AMPConfigManager sharedInstance].ingestionEndpoint;
         }];
     }