From ff70ecf868cf12fc66b45dc1496391d0a1e9011f Mon Sep 17 00:00:00 2001
From: Peter Argany <petetheheat@fb.com>
Date: Mon, 19 Mar 2018 14:09:32 -0700
Subject: [PATCH] Fixed <TextInput> bug with autocapitalization

Reviewed By: shergin

Differential Revision: D7304936

fbshipit-source-id: ef587db89b64e7111dfdeb049c3a1a334c15430b
---
 Libraries/Text/TextInput/RCTBaseTextInputView.m | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Libraries/Text/TextInput/RCTBaseTextInputView.m b/Libraries/Text/TextInput/RCTBaseTextInputView.m
index 65885a4882a686..64a3a865c6d7e7 100644
--- a/Libraries/Text/TextInput/RCTBaseTextInputView.m
+++ b/Libraries/Text/TextInput/RCTBaseTextInputView.m
@@ -102,7 +102,17 @@ - (void)setAttributedText:(NSAttributedString *)attributedText
 {
   NSInteger eventLag = _nativeEventCount - _mostRecentEventCount;
 
-  if (eventLag == 0 && ![attributedText isEqualToAttributedString:self.backedTextInputView.attributedText]) {
+  // Remove tag attribute to ensure correct attributed string comparison.
+  NSMutableAttributedString *const backedTextInputViewTextCopy = [self.backedTextInputView.attributedText mutableCopy];
+  NSMutableAttributedString *const attributedTextCopy = [attributedText mutableCopy];
+
+  [backedTextInputViewTextCopy removeAttribute:RCTTextAttributesTagAttributeName
+                                         range:NSMakeRange(0, backedTextInputViewTextCopy.length)];
+
+  [attributedTextCopy removeAttribute:RCTTextAttributesTagAttributeName
+                                range:NSMakeRange(0, attributedTextCopy.length)];
+
+  if (eventLag == 0 && ![attributedTextCopy isEqualToAttributedString:backedTextInputViewTextCopy]) {
     UITextRange *selection = self.backedTextInputView.selectedTextRange;
     NSInteger oldTextLength = self.backedTextInputView.attributedText.string.length;