From b56c6c37ec51fb58f0dc2a7bd3dcbac9d540a3a0 Mon Sep 17 00:00:00 2001
From: Shadowfacts <me@shadowfacts.net>
Date: Sat, 5 Nov 2022 14:42:40 -0400
Subject: [PATCH] Fix crash when ProfileHeaderView tries to create observers
 after ProfileVC is deinit'd

Can happen if the network is slow and the user closes the profile screen before the header loads
---
 Tusker/Views/Profile Header/ProfileHeaderView.swift | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Tusker/Views/Profile Header/ProfileHeaderView.swift b/Tusker/Views/Profile Header/ProfileHeaderView.swift
index 1004ca58..a56e7e73 100644
--- a/Tusker/Views/Profile Header/ProfileHeaderView.swift	
+++ b/Tusker/Views/Profile Header/ProfileHeaderView.swift	
@@ -86,6 +86,11 @@ class ProfileHeaderView: UIView {
     }
     
     private func createObservers() {
+        // mastodonController may be nil if the ProfileViewController is deinit'd before the header is even created
+        guard let mastodonController else {
+            return
+        }
+        
         cancellables = []
         
         mastodonController.persistentContainer.accountSubject