Better Approach

Author: riteshshukla04

packages/react-native/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputComponentView.mm

@@ -23,6 +23,7 @@
 #import "RCTTextInputUtils.h"
 
 #import "RCTFabricComponentsPlugins.h"
+#import <limits>
 
 /** Native iOS text field bottom keyboard offset amount */
 static const CGFloat kSingleLineKeyboardBottomOffset = 15.0;
@@ -450,7 +451,7 @@ - (NSString *)textInputShouldChangeText:(NSString *)text inRange:(NSRange)range
     }
   }
 
-  if (props.maxLength) {
+  if (props.maxLength != std::numeric_limits<int>::max()) {
     NSInteger allowedLength = props.maxLength - _backedTextInputView.attributedText.string.length + range.length;
 
     if (allowedLength > 0 && text.length > allowedLength) {

packages/react-native/ReactCommon/react/renderer/components/textinput/BaseTextInputProps.h

@@ -13,6 +13,7 @@
 #include <react/renderer/components/view/ViewProps.h>
 #include <react/renderer/core/PropsParserContext.h>
 #include <react/renderer/graphics/Color.h>
+#include <limits>
 #include <string>
 
 namespace facebook::react {
@@ -60,7 +61,7 @@ class BaseTextInputProps : public ViewProps, public BaseTextProps {
   // TODO: Rename to `tintColor` and make universal.
   SharedColor underlineColorAndroid{};
 
-  int maxLength{};
+  int maxLength=std::numeric_limits<int>::max();
 
   /*
    * "Private" (only used by TextInput.js) props