From f385fa8ada9b81318976d73bc2953f2219137855 Mon Sep 17 00:00:00 2001
From: Michael Schneider <mischneider1@gmail.com>
Date: Tue, 15 Mar 2016 16:34:40 -0700
Subject: [PATCH] Replace recursive methods with
 ASDisplayNodePerformBlockOnEveryNode function

---
 AsyncDisplayKit/ASDisplayNode.mm | 24 +++++++++---------------
 1 file changed, 9 insertions(+), 15 deletions(-)

diff --git a/AsyncDisplayKit/ASDisplayNode.mm b/AsyncDisplayKit/ASDisplayNode.mm
index d16479a5d5..92b0b337e1 100644
--- a/AsyncDisplayKit/ASDisplayNode.mm
+++ b/AsyncDisplayKit/ASDisplayNode.mm
@@ -1938,13 +1938,11 @@ void recursivelyTriggerDisplayForLayer(CALayer *layer, BOOL shouldBlock)
   _placeholderImage = nil;
 }
 
-// TODO: Replace this with ASDisplayNodePerformBlockOnEveryNode or exitInterfaceState:
 - (void)recursivelyClearContents
 {
-  for (ASDisplayNode *subnode in self.subnodes) {
-    [subnode recursivelyClearContents];
-  }
-  [self clearContents];
+  ASDisplayNodePerformBlockOnEveryNode(nil, self, ^(ASDisplayNode * _Nonnull node) {
+    [node clearContents];
+  });
 }
 
 - (void)fetchData
@@ -1959,13 +1957,11 @@ void recursivelyTriggerDisplayForLayer(CALayer *layer, BOOL shouldBlock)
   }
 }
 
-// TODO: Replace this with ASDisplayNodePerformBlockOnEveryNode or enterInterfaceState:
 - (void)recursivelyFetchData
 {
-  for (ASDisplayNode *subnode in self.subnodes) {
-    [subnode recursivelyFetchData];
-  }
-  [self fetchData];
+  ASDisplayNodePerformBlockOnEveryNode(nil, self, ^(ASDisplayNode * _Nonnull node) {
+    [node fetchData];
+  });
 }
 
 - (void)clearFetchedData
@@ -1973,13 +1969,11 @@ void recursivelyTriggerDisplayForLayer(CALayer *layer, BOOL shouldBlock)
   // subclass override
 }
 
-// TODO: Replace this with ASDisplayNodePerformBlockOnEveryNode or exitInterfaceState:
 - (void)recursivelyClearFetchedData
 {
-  for (ASDisplayNode *subnode in self.subnodes) {
-    [subnode recursivelyClearFetchedData];
-  }
-  [self clearFetchedData];
+  ASDisplayNodePerformBlockOnEveryNode(nil, self, ^(ASDisplayNode * _Nonnull node) {
+    [node clearFetchedData];
+  });
 }
 
 - (void)visibilityDidChange:(BOOL)isVisible