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

mono repo setup with bob

import { useEffect } from 'react';
import { useBackHandler } from './useBackHandler';
let keyboardDismissHandlers = [];
export const keyboardDismissHandlerManager = {
  push: handler => {
    keyboardDismissHandlers.push(handler);
    return () => {
      keyboardDismissHandlers = keyboardDismissHandlers.filter(h => h !== handler);
    };
  },
  length: () => keyboardDismissHandlers.length,
  pop: () => {
    return keyboardDismissHandlers.pop();
  }
};

/**
 * Handles attaching callback for Escape key listener on web and Back button listener on Android
 */
export const useKeyboardDismissable = ({
  enabled,
  callback
}) => {
  useEffect(() => {
    let cleanupFn = () => {};
    if (enabled) {
      cleanupFn = keyboardDismissHandlerManager.push(callback);
    } else {
      cleanupFn();
    }
    return () => {
      cleanupFn();
    };
  }, [enabled, callback]);
  useBackHandler({
    enabled,
    callback
  });
};
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