react-native-typewriter change direction

App.tsx

import * as React from 'react';
import TypeWriter from 'react-native-typewriter';

const App = () => {
  const [isDeleting, setIsDeleting] = React.useState(false)
  
  const handleAnimationEnd = () => {
    setIsDeleting(true)
  }
  
  return (
    <TypeWriter typing={isDeleting ? -1 : 1} onTypingEnd={handleAnimationEnd}>
      <Text>Fun With Flags</Text>
    </TypeWriter>
  )
}