UIViewRepresentable with UITextView

MyTextView.swift

struct MyTextView: UIViewRepresentable {
    
    @Binding var text: String
    
    init(text: Binding<String>) {
        self._text = text
    }
    
    func makeUIView(context: UIViewRepresentableContext<MyTextView>) -> UITextView {
        let textView = UITextView(frame: .zero)
        textView.font = .systemFont(ofSize: 16, weight: .medium)
        textView.textColor = BStoreTheme.UIColors.store900
        textView.backgroundColor = .gray
        textView.delegate = context.coordinator
        return textView
    }
    
    func updateUIView(_ uiView: UITextView, context: UIViewRepresentableContext<MyTextView>) {
        uiView.text = self.text
    }
  
    // MARK: - COORDINATOR
    
    func makeCoordinator() -> MyTextView.Coordinator {
        return Coordinator(self)
    }
    
    class Coordinator: NSObject, UITextViewDelegate {
        
        var parent: MyTextView
        
        init(_ parent: MyTextView) {
            self.parent = parent
        }
        
        // Update Text
        func textViewDidChange(_ textView: UITextView) {
            self.parent.text = textView.text
        }
        
        // Limit Text Count
        func textView(_ textView: UITextView, shouldChangeTextIn range: NSRange, replacementText text: String) -> Bool {
            let currentCharacterCount = textView.text.count
            
            if (range.length + range.location > currentCharacterCount) {
                
                return false
                
            }
            
            let newLength = currentCharacterCount + text.count - range.length
            
            return newLength <= 200
        }
    }
    
}