@react-navigation/drawer/lib/module/utils/addCancelListener.native.js

Integration for the drawer component from react-native-drawer-layout

"use strict";

import { BackHandler } from 'react-native';
export const addCancelListener = callback => {
  const subscription = BackHandler.addEventListener('hardwareBackPress', callback);
  return () => {
    subscription.remove();
  };
};
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