@dnb/eufemia/components/portal-root/PortalRoot.js

DNB Eufemia Design System UI Library

"use client";

import _extends from "@babel/runtime-corejs3/helpers/esm/extends";
import React, { useContext, useMemo, useReducer, useRef } from 'react';
import { createPortal } from 'react-dom';
import classnames from 'classnames';
import IsolatedStyleScope, { IsolatedStyleScopeContext } from "../../shared/IsolatedStyleScope.js";
import { useIsomorphicLayoutEffect as useLayoutEffect } from "../../shared/helpers/useIsomorphicLayoutEffect.js";
const PortalRootContext = React.createContext(null);
export function PortalRootProvider(props) {
  const {
    id,
    insideSelector,
    beforeSelector,
    children
  } = props;
  const value = useMemo(() => ({
    id,
    insideSelector,
    beforeSelector
  }), [id, insideSelector, beforeSelector]);
  return React.createElement(PortalRootContext.Provider, {
    value: value
  }, children);
}
function PortalRoot(props = {}) {
  var _ref;
  const {
    id: idProp,
    insideSelector: insideSelectorProp,
    beforeSelector: beforeSelectorProp,
    innerRef,
    className,
    style,
    children,
    ...rest
  } = props;
  const [, forceUpdate] = useReducer(() => ({}), {});
  const {
    style: scopeStyle
  } = useContext(IsolatedStyleScopeContext) || {};
  const selectorContext = useContext(PortalRootContext);
  const hasPropOverride = typeof insideSelectorProp !== 'undefined' || typeof beforeSelectorProp !== 'undefined';
  const insideSelector = hasPropOverride ? insideSelectorProp : selectorContext === null || selectorContext === void 0 ? void 0 : selectorContext.insideSelector;
  const beforeSelector = hasPropOverride ? beforeSelectorProp : selectorContext === null || selectorContext === void 0 ? void 0 : selectorContext.beforeSelector;
  const effectiveId = (_ref = idProp !== null && idProp !== void 0 ? idProp : selectorContext === null || selectorContext === void 0 ? void 0 : selectorContext.id) !== null && _ref !== void 0 ? _ref : 'eufemia-portal-root';
  const initialElement = useMemo(() => {
    if (idProp && typeof document !== 'undefined') {
      return document.getElementById(idProp);
    }
    return getOrCreatePortalElement({
      id: effectiveId,
      insideSelector,
      beforeSelector
    });
  }, [effectiveId, idProp, insideSelector, beforeSelector]);
  const localRef = useRef(initialElement);
  useLayoutEffect(() => {
    if (idProp || insideSelector || beforeSelector) {
      const elem = getOrCreatePortalElement({
        id: effectiveId,
        insideSelector,
        beforeSelector
      });
      if (localRef.current !== elem) {
        localRef.current = elem;
        forceUpdate();
      }
    }
    if (innerRef && localRef.current) {
      if (typeof innerRef === 'function') {
        innerRef(localRef.current);
      } else {
        const ref = innerRef;
        ref.current = localRef.current;
      }
    }
  }, [effectiveId, idProp, innerRef, insideSelector, beforeSelector]);
  const portalElement = localRef.current || initialElement;
  if (!portalElement) {
    return null;
  }
  return createPortal(React.createElement(IsolatedStyleScope, {
    scopeHash: "auto",
    disableCoreStyleWrapper: true,
    uniqueKey: false
  }, React.createElement("div", _extends({
    className: classnames("dnb-core-style eufemia-portal-root", className),
    style: {
      ...scopeStyle,
      ...style
    }
  }, rest), children)), portalElement);
}
export function getOrCreatePortalElement({
  id,
  insideSelector,
  beforeSelector
}) {
  if (typeof document === 'undefined') {
    return null;
  }
  let elem = document.getElementById(id);
  if (!elem) {
    let parent = document.body;
    let referenceNode = document.body.firstChild;
    if (beforeSelector) {
      const target = document.querySelector(beforeSelector);
      if (target && target.parentElement) {
        parent = target.parentElement;
        referenceNode = target;
      }
    } else if (insideSelector) {
      const target = document.querySelector(insideSelector);
      if (target) {
        parent = target;
        referenceNode = target.firstChild;
      }
    }
    elem = document.createElement('div');
    elem.setAttribute('id', id);
    parent.insertBefore(elem, referenceNode);
  }
  if (!elem.hasAttribute('role')) {
    elem.setAttribute('role', 'presentation');
  }
  return elem;
}
PortalRoot.Provider = PortalRootProvider;
export default PortalRoot;
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