Fix multiline TextInput crash when inserting/removing lots of text

It seems that the returned string that we use to set `previousText` can be mutated while it is waiting to be processed by RCTBridge.
microsoft · Jul 8, 2020 · e01ab66 · e01ab66
1 parent d7e8504
commit e01ab66
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Libraries/Text/TextInput/RCTBaseTextInputView.m b/Libraries/Text/TextInput/RCTBaseTextInputView.m
@@ -475,7 +475,7 @@ - (BOOL)textInputShouldChangeTextInRange:(NSRange)range replacementText:(NSStrin
     }
   }
 
-  NSString *previousText = backedTextInputView.attributedText.string ?: @"";
+  NSString *previousText = [backedTextInputView.attributedText.string copy] ?: @""; // TODO(OSS Candidate ISS#2710739)
 
   if (range.location + range.length > backedTextInputView.attributedText.string.length) {
     _predictedText = backedTextInputView.attributedText.string;