Adding showDoneButton property to react native's TextInput for number fields

showDoneButton.patch

diff --git a/node_modules/react-native/Libraries/Text/RCTTextField.h b/node_modules/react-native/Libraries/Text/RCTTextField.h
index c809f10..2d80af4 100644
--- a/node_modules/react-native/Libraries/Text/RCTTextField.h
+++ b/node_modules/react-native/Libraries/Text/RCTTextField.h
@@ -31,5 +31,6 @@
 - (void)textFieldDidChange;
 - (void)sendKeyValueForString:(NSString *)string;
 - (BOOL)textFieldShouldEndEditing:(RCTTextField *)textField;
+- (void)handleDoneButtonFromInputAccessory;
 
 @end
diff --git a/node_modules/react-native/Libraries/Text/RCTTextField.m b/node_modules/react-native/Libraries/Text/RCTTextField.m
index 32650d8..d4d8497 100644
--- a/node_modules/react-native/Libraries/Text/RCTTextField.m
+++ b/node_modules/react-native/Libraries/Text/RCTTextField.m
@@ -208,6 +208,12 @@ - (BOOL)textFieldShouldEndEditing:(RCTTextField *)textField
   return YES;
 }
 
+- (void)handleDoneButtonFromInputAccessory {
+    [self endEditing:YES];
+    [self textFieldSubmitEditing];
+}
+
+
 - (void)observeValueForKeyPath:(NSString *)keyPath
                       ofObject:(RCTTextField *)textField
                         change:(NSDictionary *)change
diff --git a/node_modules/react-native/Libraries/Text/RCTTextFieldManager.m b/node_modules/react-native/Libraries/Text/RCTTextFieldManager.m
index 6b81a78..477484d 100644
--- a/node_modules/react-native/Libraries/Text/RCTTextFieldManager.m
+++ b/node_modules/react-native/Libraries/Text/RCTTextFieldManager.m
@@ -116,6 +116,23 @@ - (BOOL)textFieldShouldEndEditing:(RCTTextField *)textField
 {
   view.font = [RCTFont updateFont:view.font withFamily:json ?: defaultView.font.familyName];
 }
+RCT_CUSTOM_VIEW_PROPERTY(showDoneButton, BOOL, RCTTextField)
+{
+  if (json && ([RCTConvert BOOL:json])) {
+    UIToolbar* toolbar = [[UIToolbar alloc] init];
+    [toolbar sizeToFit];
+    UIBarButtonItem* flex = [[UIBarButtonItem alloc]
+                             initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace
+                             target:nil action:nil];
+    UIBarButtonItem* doneButton = [[UIBarButtonItem alloc]
+                                   initWithBarButtonSystemItem:UIBarButtonSystemItemDone
+                                   target:view action:@selector(handleDoneButtonFromInputAccessory)];
+    toolbar.items = @[flex, doneButton];
+    view.inputAccessoryView = toolbar;
+  } else {
+    view.inputAccessoryView = nil;
+  }
+}
 RCT_EXPORT_VIEW_PROPERTY(mostRecentEventCount, NSInteger)
 
 - (RCTViewManagerUIBlock)uiBlockToAmendWithShadowView:(RCTShadowView *)shadowView