@react-native-aria/interactions/lib/module/useBackHandler.js

mono repo setup with bob

import { useEffect, useRef } from 'react';
import { BackHandler } from 'react-native';
export function useBackHandler({
  enabled,
  callback
}) {
  const backHandlerRef = useRef(null);
  useEffect(() => {
    const backHandler = () => {
      callback();
      return true;
    };
    if (enabled) {
      backHandlerRef.current = BackHandler.addEventListener('hardwareBackPress', backHandler);
    } else {
      var _backHandlerRef$curre;
      (_backHandlerRef$curre = backHandlerRef.current) === null || _backHandlerRef$curre === void 0 || _backHandlerRef$curre.remove();
    }
    return () => {
      var _backHandlerRef$curre2;
      return (_backHandlerRef$curre2 = backHandlerRef.current) === null || _backHandlerRef$curre2 === void 0 ? void 0 : _backHandlerRef$curre2.remove();
    };
  }, [enabled, callback]);
}
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