@carbon/react/es/components/TabContent/TabContent.js

React components for the Carbon Design System

/**
 * Copyright IBM Corp. 2016, 2023
 *
 * This source code is licensed under the Apache-2.0 license found in the
 * LICENSE file in the root directory of this source tree.
 */

import { extends as _extends } from '../../_virtual/_rollupPluginBabelHelpers.js';
import PropTypes from 'prop-types';
import React, { useRef, useState } from 'react';
import cx from 'classnames';
import { selectorTabbable } from '../../internal/keyboard/navigation.js';
import useIsomorphicEffect from '../../internal/useIsomorphicEffect.js';
import { usePrefix } from '../../internal/usePrefix.js';

/**
 * Determine if the node within the provided ref contains content that is tabbable.
 */
function useTabbableContent(ref) {
  const [hasTabbableContent, setHasTabbableContent] = useState(false);

  // eslint-disable-next-line react-hooks/exhaustive-deps
  useIsomorphicEffect(() => {
    if (ref.current) {
      setHasTabbableContent(!!ref.current.querySelector(selectorTabbable));
    }
  });
  return hasTabbableContent;
}
function TabContent(props) {
  const {
    className,
    selected,
    children,
    ...other
  } = props;
  const prefix = usePrefix();
  const tabContentClasses = cx(`${prefix}--tab-content`, className);
  const ref = useRef(null);
  const hasTabbableContent = useTabbableContent(ref);
  return /*#__PURE__*/React.createElement("div", _extends({
    role: "tabpanel"
  }, other, {
    className: tabContentClasses,
    selected: selected,
    hidden: !selected,
    ref: ref,
    tabIndex: hasTabbableContent ? undefined : 0
  }), children);
}
TabContent.propTypes = {
  /**
   * Pass in content to render inside the TabContent
   */
  children: PropTypes.node,
  /**
   * Provide a className for the tab content container
   */
  className: PropTypes.string,
  /**
   * Specify whether the TabContent is selected
   */
  selected: PropTypes.bool
};

export { TabContent as default };