rn-animated-star-rating-6.js

const openAnim = () => {
  Animated.spring(pan.y, {
    toValue: screenHeight - MODAL_HEIGHT,
    bounciness: 0,
    useNativeDriver: true,
  }).start();
};

const closeAnim = () => {
  Animated.spring(pan.y, {
    toValue: screenHeight,
    useNativeDriver: true,
  }).start();
  // callback (to toggle state)
  props.onClose();
};