Never use setAnimationsEnabled: so we don't risk corrupting enabledness

AsyncDisplayKit/Private/ASInternalHelpers.h

@@ -10,6 +10,7 @@
 
 #include <CoreGraphics/CGBase.h>
 #import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
 #import "ASBaseDefines.h"
 
 ASDISPLAYNODE_EXTERN_C_BEGIN
@@ -27,6 +28,23 @@ CGFloat ASRoundPixelValue(CGFloat f);
 
 ASDISPLAYNODE_EXTERN_C_END
 
+/**
+ @summary Conditionally performs UIView geometry changes in the given block without animation.
+ 
+ Used primarily to circumvent UITableView forcing insertion animations when explicitly told not to via
+ `UITableViewRowAnimationNone`. More info: https://github.com/facebook/AsyncDisplayKit/pull/445
+ 
+ @param withoutAnimation Set to `YES` to perform given block without animation
+ @param block Perform UIView geometry changes within the passed block
+ */
+ASDISPLAYNODE_INLINE void ASPerformBlockWithoutAnimation(BOOL withoutAnimation, void (^block)()) {
+  if (withoutAnimation) {
+    [UIView performWithoutAnimation:block];
+  } else {
+    block();
+  }
+}
+
 @interface NSIndexPath (ASInverseComparison)
 - (NSComparisonResult)asdk_inverseCompare:(NSIndexPath *)otherIndexPath;
 @end