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

UI components for WordPress.

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

import SlotFillContext from './slot-fill-context';
export default function useSlot(name) {
  const registry = useContext(SlotFillContext);
  const slot = registry.slots[name] || {};
  const slotFills = registry.fills[name];
  const fills = useMemo(() => slotFills || [], [slotFills]);
  const updateSlot = useCallback(fillProps => {
    registry.updateSlot(name, fillProps);
  }, [name, registry.updateSlot]);
  const unregisterSlot = useCallback(slotRef => {
    registry.unregisterSlot(name, slotRef);
  }, [name, registry.unregisterSlot]);
  const registerFill = useCallback(fillRef => {
    registry.registerFill(name, fillRef);
  }, [name, registry.registerFill]);
  const unregisterFill = useCallback(fillRef => {
    registry.unregisterFill(name, fillRef);
  }, [name, registry.unregisterFill]);
  return { ...slot,
    updateSlot,
    unregisterSlot,
    fills,
    registerFill,
    unregisterFill
  };
}
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