memoExample.js

function propsAreEqual(prev, next) {
  return prev.isFavorite === next.isFavorite;
}

const Row = memo(({ title, isFavorite, onPress }) => {
  return (
    <React.Fragment>
      <View style={styles.row}>
        <Text style={styles.rowText}>{title}</Text>
        <IconButton
          color={isFavorite ? colors.heartRed : colors.darkGray}
          icon="favorite"
          size={18}
          onPress={() => onPress(title)}
        />
      </View>
      <Divider />
    </React.Fragment>
  );
}, propsAreEqual);