@base-ui-components/react/esm/tabs/panel/useTabsPanel.js

Base UI is a library of headless ('unstyled') React components and low-level hooks. You gain complete control over your app's CSS and accessibility features.

'use client';

import * as React from 'react';
import { mergeReactProps } from '../../utils/mergeReactProps.js';
import { useBaseUiId } from '../../utils/useBaseUiId.js';
import { useForkRef } from '../../utils/useForkRef.js';
import { useCompositeListItem } from '../../composite/list/useCompositeListItem.js';
function useTabsPanel(parameters) {
  const {
    getTabIdByPanelValueOrIndex,
    rootRef: externalRef,
    selectedValue,
    value: valueParam
  } = parameters;
  const id = useBaseUiId();
  const metadata = React.useMemo(() => ({
    id,
    value: valueParam
  }), [id, valueParam]);
  const {
    ref: listItemRef,
    index
  } = useCompositeListItem({
    metadata
  });
  const tabPanelValue = valueParam ?? index;
  const panelRef = React.useRef(null);
  const handleRef = useForkRef(panelRef, listItemRef, externalRef);
  const hidden = tabPanelValue !== selectedValue;
  const correspondingTabId = React.useMemo(() => {
    return getTabIdByPanelValueOrIndex(valueParam, index);
  }, [getTabIdByPanelValueOrIndex, index, valueParam]);
  const getRootProps = React.useCallback((externalProps = {}) => {
    return mergeReactProps(externalProps, {
      'aria-labelledby': correspondingTabId,
      hidden,
      id: id ?? undefined,
      role: 'tabpanel',
      tabIndex: hidden ? -1 : 0,
      ref: handleRef,
      'data-index': index
    });
  }, [correspondingTabId, handleRef, hidden, id, index]);
  return {
    hidden,
    getRootProps,
    rootRef: handleRef
  };
}
export { useTabsPanel };