rsuite/esm/utils/usePortal.js

A suite of react components

import _extends from "@babel/runtime/helpers/esm/extends";
import React, { useRef, useEffect, useState, useCallback } from 'react';
import { createPortal } from 'react-dom';
import canUseDOM from 'dom-lib/canUseDOM';
var MountedPortal = /*#__PURE__*/React.memo(function (_ref) {
  var children = _ref.children,
      container = _ref.container;

  var _useState = useState(false),
      mounted = _useState[0],
      setMounted = _useState[1];

  useEffect(function () {
    return setMounted(true);
  }, []);

  if (container && mounted) {
    return /*#__PURE__*/createPortal(children, container);
  }

  return null;
});

function usePortal(props) {
  if (props === void 0) {
    props = {};
  }

  var _props = props,
      container = _props.container,
      _props$waitMount = _props.waitMount,
      waitMount = _props$waitMount === void 0 ? false : _props$waitMount;
  var rootElemRef = useRef(canUseDOM ? document.body : null);
  useEffect(function () {
    var containerElement = typeof container === 'function' ? container() : container; // Parent is either a new root or the existing dom element

    var parentElement = containerElement || document.body;
    rootElemRef.current = parentElement;
  }, [rootElemRef, container]);
  var Portal = useCallback(function (_ref2) {
    var children = _ref2.children;
    return rootElemRef.current != null ? /*#__PURE__*/createPortal(children, rootElemRef.current) : null;
  }, []);
  var WaitMountPortal = useCallback(function (props) {
    return /*#__PURE__*/React.createElement(MountedPortal, _extends({
      container: rootElemRef.current
    }, props));
  }, []);
  return {
    target: rootElemRef.current,
    Portal: waitMount ? WaitMountPortal : Portal
  };
}

export default usePortal;