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node_modules/react-native-safe-area-context/ios/RNCSafeAreaUtils.m

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+#import "RNCSafeAreaUtils.h"
+
+#import <React/RCTUIManager.h>
+
+NSString *const RNCSafeAreaDidChange = @"RNCSafeAreaDidChange";
+
+#if TARGET_OS_IPHONE
+BOOL UIEdgeInsetsEqualToEdgeInsetsWithThreshold(UIEdgeInsets insets1, UIEdgeInsets insets2, CGFloat threshold)
+#elif TARGET_OS_OSX
+BOOL NSEdgeInsetsEqualToEdgeInsetsWithThreshold(NSEdgeInsets insets1, NSEdgeInsets insets2, CGFloat threshold)
+#endif
+{
+  return ABS(insets1.left - insets2.left) <= threshold && ABS(insets1.right - insets2.right) <= threshold &&
+      ABS(insets1.top - insets2.top) <= threshold && ABS(insets1.bottom - insets2.bottom) <= threshold;
+}
+
+#if TARGET_OS_IPHONE
+UIViewController *RNCParentViewController(UIView *view)
+{
+  UIResponder *responder = view.nextResponder;
+  while (responder != nil) {
+    if ([responder isKindOfClass:[UIViewController class]]) {
+      return (UIViewController *)responder;
+    }
+    responder = responder.nextResponder;
+  }
+  return nil;
+}
+#elif TARGET_OS_OSX
+NSViewController *RNCParentViewController(NSView *view)
+{
+  NSResponder *responder = view.nextResponder;
+  while (responder != nil) {
+    if ([responder isKindOfClass:[NSViewController class]]) {
+      return (NSViewController *)responder;
+    }
+    responder = responder.nextResponder;
+  }
+  return nil;
+}
+#endif