@react-navigation/core/lib/module/useNavigationContainerRef.js

Core utilities for building navigators

import * as React from 'react';
import createNavigationContainerRef from './createNavigationContainerRef';
export default function useNavigationContainerRef() {
  const navigation = React.useRef(null);
  if (navigation.current == null) {
    navigation.current = createNavigationContainerRef();
  }
  return navigation.current;
}
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