@mskcc/carbon-react/es/components/ListBox/ListBoxMenuItem.js

Carbon react components for the MSKCC DSM

/**
 * MSKCC 2021, 2024
 */

import { extends as _extends } from '../../_virtual/_rollupPluginBabelHelpers.js';
import cx from 'classnames';
import React__default, { useRef, useState, useEffect } from 'react';
import PropTypes from 'prop-types';
import { usePrefix } from '../../internal/usePrefix.js';

function useIsTruncated(ref) {
  const [isTruncated, setIsTruncated] = useState(false);
  useEffect(() => {
    const {
      offsetWidth,
      scrollWidth
    } = ref.current;
    setIsTruncated(offsetWidth < scrollWidth);
  }, [ref, setIsTruncated]);
  return isTruncated;
}
/**
 * `ListBoxMenuItem` is a helper component for managing the container class
 * name, alongside any classes for any corresponding states, for a generic list
 * box menu item.
 */
const ListBoxMenuItem = /*#__PURE__*/React__default.forwardRef(function ListBoxMenuItem(_ref, forwardedRef) {
  let {
    children,
    isActive,
    isHighlighted,
    title,
    ...rest
  } = _ref;
  const prefix = usePrefix();
  const ref = useRef(null);
  const isTruncated = useIsTruncated(forwardedRef?.menuItemOptionRef || ref);
  const className = cx(`${prefix}--list-box__menu-item`, {
    [`${prefix}--list-box__menu-item--active`]: isActive,
    [`${prefix}--list-box__menu-item--highlighted`]: isHighlighted
  });
  return /*#__PURE__*/React__default.createElement("div", _extends({}, rest, {
    className: className,
    title: isTruncated ? title : undefined,
    tabIndex: -1
  }), /*#__PURE__*/React__default.createElement("div", {
    className: `${prefix}--list-box__menu-item__option`,
    ref: forwardedRef?.menuItemOptionRef || ref
  }, children));
});
ListBoxMenuItem.displayName = 'ListBoxMenuItem';
ListBoxMenuItem.propTypes = {
  /**
   * Specify any children nodes that should be rendered inside of the ListBox
   * Menu Item
   */
  children: PropTypes.node,
  /**
   * Specify whether the current menu item is "active".
   */
  isActive: PropTypes.bool.isRequired,
  /**
   * Specify whether the current menu item is "highlighted".
   */
  isHighlighted: PropTypes.bool.isRequired,
  /**
   * Provide an optional tooltip for the ListBoxMenuItem
   */
  title: PropTypes.string
};

export { ListBoxMenuItem as default };