Fix currencyTextField - correct cursor after paste

Author: youjinp

Sources/SwiftUIKit/views/CurrencyTextField.swift

@@ -253,7 +253,17 @@ public struct CurrencyTextField: UIViewRepresentable {
  let cursorLocation = textField.position(from: beginningPosition, offset: offset)
 
  if let cursorLoc = cursorLocation {
- textField.selectedTextRange = textField.textRange(from: cursorLoc, to: cursorLoc)
+ /**
+ Shortly after new text is being pasted from the clipboard, UITextField receives a new value for its
+ `selectedTextRange` property from the system. This new range is not consistent to the formatted text and
+ calculated caret position most of the time, yet it's being assigned just after setCaretPosition call.
+ 
+ To insure correct caret position is set, `selectedTextRange` is assigned asynchronously.
+ (presumably after a vanishingly small delay)
+ */
+ DispatchQueue.main.asyncAfter(deadline: DispatchTime.now()) {
+ textField.selectedTextRange = textField.textRange(from: cursorLoc, to: cursorLoc)
+ }
  }
 
  // prevent from going to didChange