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

UI components for WordPress.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = Fill;
var _element = require("@wordpress/element");
var _useSlot = _interopRequireDefault(require("./use-slot"));
var _styleProvider = _interopRequireDefault(require("../../style-provider"));
var _jsxRuntime = require("react/jsx-runtime");
/**
 * WordPress dependencies
 */

/**
 * Internal dependencies
 */

function useForceUpdate() {
  const [, setState] = (0, _element.useState)({});
  const mountedRef = (0, _element.useRef)(true);
  (0, _element.useEffect)(() => {
    mountedRef.current = true;
    return () => {
      mountedRef.current = false;
    };
  }, []);
  return () => {
    if (mountedRef.current) {
      setState({});
    }
  };
}
function Fill(props) {
  var _slot$fillProps;
  const {
    name,
    children
  } = props;
  const {
    registerFill,
    unregisterFill,
    ...slot
  } = (0, _useSlot.default)(name);
  const rerender = useForceUpdate();
  const ref = (0, _element.useRef)({
    rerender
  });
  (0, _element.useEffect)(() => {
    // We register fills so we can keep track of their existence.
    // Some Slot implementations need to know if there're already fills
    // registered so they can choose to render themselves or not.
    registerFill(ref);
    return () => {
      unregisterFill(ref);
    };
  }, [registerFill, unregisterFill]);
  if (!slot.ref || !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__*/(0, _jsxRuntime.jsx)(_styleProvider.default, {
    document: slot.ref.current.ownerDocument,
    children: typeof children === 'function' ? children((_slot$fillProps = slot.fillProps) !== null && _slot$fillProps !== void 0 ? _slot$fillProps : {}) : children
  });
  return (0, _element.createPortal)(wrappedChildren, slot.ref.current);
}
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