@atlaskit/portal/dist/esm/internal/utils/create-portal-parent.js

A wrapper for rendering components in React portals.

import { portalParentClassName, portalParentSelector } from '../constants';
import { getBody } from './get-body';
var isDocumentDefined = function isDocumentDefined() {
  return document !== undefined;
};
export var createPortalParent = function createPortalParent() {
  //atlaskit-portal-container div
  if (isDocumentDefined()) {
    var parentElement = document.querySelector(portalParentSelector);
    if (!parentElement) {
      var _getBody;
      var parent = document.createElement('div');
      parent.className = portalParentClassName;
      parent.style.display = 'flex';
      (_getBody = getBody()) === null || _getBody === void 0 || _getBody.appendChild(parent);
      return parent;
    }
    return parentElement;
  }
  return;
};