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: / usr / share / grafana / public / app / core / components / Page /

Filename : usePageTitle.ts

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import { useEffect } from 'react';

import { NavModel, NavModelItem } from '@grafana/data';
import { HOME_NAV_ID } from 'app/core/reducers/navModel';
import { useSelector } from 'app/types';

import { Branding } from '../Branding/Branding';
import { buildBreadcrumbs } from '../Breadcrumbs/utils';

export function usePageTitle(navModel?: NavModel, pageNav?: NavModelItem) {
  const homeNav = useSelector((state) => state.navIndex)?.[HOME_NAV_ID];
  useEffect(() => {
    const sectionNav = (navModel?.node !== navModel?.main ? navModel?.node : navModel?.main) ?? { text: 'Grafana' };
    const parts: string[] = buildBreadcrumbs(sectionNav, pageNav, homeNav)
      .map((crumb) => crumb.text)
      .reverse();

    // Override `Home` with the custom brand title
    parts[parts.length - 1] = Branding.AppTitle;

    document.title = parts.join(' - ');
  }, [homeNav, navModel, pageNav]);
}