@wordpress/components/build-module/slot-fill/use-slot.js

UI components for WordPress.

/**
 * WordPress dependencies
 */
import { useContext, useState, useEffect } from '@wordpress/element';
/**
 * Internal dependencies
 */

import SlotFillContext from './context';
/**
 * React hook returning the active slot given a name.
 *
 * @param {string} name Slot name.
 * @return {Object} Slot object.
 */

const useSlot = name => {
  const {
    getSlot,
    subscribe
  } = useContext(SlotFillContext);
  const [slot, setSlot] = useState(getSlot(name));
  useEffect(() => {
    setSlot(getSlot(name));
    const unsubscribe = subscribe(() => {
      setSlot(getSlot(name));
    });
    return unsubscribe;
  }, [name]);
  return slot;
};

export default useSlot;
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