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

UI components for WordPress.

/**
 * WordPress dependencies
 */
import { useObservableValue } from '@wordpress/compose';
import { useContext, useRef, useEffect, createPortal } from '@wordpress/element';

/**
 * Internal dependencies
 */
import SlotFillContext from './slot-fill-context';
import StyleProvider from '../../style-provider';
import { jsx as _jsx } from "react/jsx-runtime";
export default function Fill({
  name,
  children
}) {
  var _slot$fillProps;
  const registry = useContext(SlotFillContext);
  const slot = useObservableValue(registry.slots, name);
  const instanceRef = useRef({});

  // We register fills so we can keep track of their existence.
  // Slots can use the `useSlotFills` hook to know if there're already fills
  // registered so they can choose to render themselves or not.
  useEffect(() => {
    const instance = instanceRef.current;
    registry.registerFill(name, instance);
    return () => registry.unregisterFill(name, instance);
  }, [registry, name]);
  if (!slot || !slot.ref.current) {
    return null;
  }

  // When using a `Fill`, the `children` will be rendered in the document of the
  // `Slot`. This means that we need to wrap the `children` in a `StyleProvider`
  // to make sure we're referencing the right document/iframe (instead of the
  // context of the `Fill`'s parent).
  const wrappedChildren = /*#__PURE__*/_jsx(StyleProvider, {
    document: slot.ref.current.ownerDocument,
    children: typeof children === 'function' ? children((_slot$fillProps = slot.fillProps) !== null && _slot$fillProps !== void 0 ? _slot$fillProps : {}) : children
  });
  return createPortal(wrappedChildren, slot.ref.current);
}
//# sourceMappingURL=fill.js.map