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

UI components for WordPress.

import _extends from "@babel/runtime/helpers/esm/extends";
import { createElement } from "@wordpress/element";
// @ts-nocheck

/**
 * WordPress dependencies
 */
import { useRef, useLayoutEffect, useContext, forwardRef } from '@wordpress/element';
import { useMergeRefs } from '@wordpress/compose';
/**
 * Internal dependencies
 */

import SlotFillContext from './slot-fill-context';

function Slot(_ref, forwardedRef) {
  let {
    name,
    fillProps = {},
    as: Component = 'div',
    ...props
  } = _ref;
  const {
    registerSlot,
    unregisterSlot,
    ...registry
  } = useContext(SlotFillContext);
  const ref = useRef();
  useLayoutEffect(() => {
    registerSlot(name, ref, fillProps);
    return () => {
      unregisterSlot(name, ref);
    }; // Ignore reason: We don't want to unregister and register the slot whenever
    // `fillProps` change, which would cause the fill to be re-mounted. Instead,
    // we can just update the slot (see hook below).
    // For more context, see https://github.com/WordPress/gutenberg/pull/44403#discussion_r994415973
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [registerSlot, unregisterSlot, name]); // fillProps may be an update that interacts with the layout, so we
  // useLayoutEffect.

  useLayoutEffect(() => {
    registry.updateSlot(name, fillProps);
  });
  return createElement(Component, _extends({
    ref: useMergeRefs([forwardedRef, ref])
  }, props));
}

export default forwardRef(Slot);
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