docs/components/DefaultLayout.tsx

139 строки
4.8 KiB
TypeScript

import Head from 'next/head'
import { useRouter } from 'next/router'
import { SidebarNav } from 'components/sidebar/SidebarNav'
import { Header } from 'components/page-header/Header'
import { SmallFooter } from 'components/page-footer/SmallFooter'
import { ScrollButton } from 'components/ui/ScrollButton'
import { SupportSection } from 'components/page-footer/SupportSection'
import { DeprecationBanner } from 'components/page-header/DeprecationBanner'
import { RestBanner } from 'components/page-header/RestBanner'
import { useMainContext } from 'components/context/MainContext'
import { useTranslation } from 'components/hooks/useTranslation'
import { Breadcrumbs } from 'components/page-header/Breadcrumbs'
const MINIMAL_RENDER = Boolean(JSON.parse(process.env.MINIMAL_RENDER || 'false'))
type Props = { children?: React.ReactNode }
export const DefaultLayout = (props: Props) => {
const {
page,
error,
isHomepageVersion,
currentPathWithoutLanguage,
currentVersion,
currentProduct,
relativePath,
fullUrl,
status,
} = useMainContext()
const { t } = useTranslation(['errors', 'meta', 'scroll_button'])
const router = useRouter()
const metaDescription = page.introPlainText ? page.introPlainText : t('default_description')
// This is only true when we do search indexing which renders every page
// just to be able to `cheerio` load the main body (and the meta
// keywords tag).
if (MINIMAL_RENDER) {
return (
<div>
<Head>
<title>{page.fullTitle}</title>
</Head>
{/* For local site search indexing */}
<div className="d-none d-xl-block" data-search="breadcrumbs">
<Breadcrumbs />
</div>
<main id="main-content" style={{ scrollMarginTop: '5rem' }}>
{props.children}
</main>
</div>
)
}
return (
<>
<Head>
{error === '404' ? (
<title>{t('oops')}</title>
) : (!isHomepageVersion && page.fullTitle) ||
(currentPathWithoutLanguage.includes('enterprise-server') && page.fullTitle) ? (
<title>{page.fullTitle}</title>
) : null}
{/* For Google and Bots */}
<meta name="description" content={metaDescription} />
{page.hidden && <meta name="robots" content="noindex" />}
{page.languageVariants.map((languageVariant) => {
return (
<link
key={languageVariant.href}
rel="alternate"
hrefLang={languageVariant.hreflang}
href={`https://docs.github.com${languageVariant.href}`}
/>
)
})}
{/* For local site search indexing */}
{page.topics.length > 0 && <meta name="keywords" content={page.topics.join(',')} />}
{/* For analytics events */}
{router.locale && <meta name="path-language" content={router.locale} />}
{currentVersion && <meta name="path-version" content={currentVersion} />}
{currentProduct && <meta name="path-product" content={currentProduct.id} />}
{relativePath && (
<meta
name="path-article"
content={relativePath.replace('/index.md', '').replace('.md', '')}
/>
)}
{page.type && <meta name="page-type" content={page.type} />}
{page.documentType && <meta name="page-document-type" content={page.documentType} />}
{status && <meta name="status" content={status.toString()} />}
{/* OpenGraph data */}
{page.fullTitle && (
<>
<meta property="og:site_name" content="GitHub Docs" />
<meta property="og:title" content={page.fullTitle} />
<meta property="og:type" content="article" />
<meta property="og:url" content={fullUrl} />
<meta
property="og:image"
content="https://github.githubassets.com/images/modules/open_graph/github-logo.png"
/>
</>
)}
</Head>
<a href="#main-content" className="sr-only color-bg-accent-emphasis color-fg-on-emphasis">
Skip to main content
</a>
<Header />
<div className="d-lg-flex">
<SidebarNav />
{/* Need to set an explicit height for sticky elements since we also
set overflow to auto */}
<div className="flex-column flex-1 min-width-0">
<main id="main-content" style={{ scrollMarginTop: '5rem' }}>
<DeprecationBanner />
<RestBanner />
{props.children}
</main>
<footer>
<SupportSection />
<SmallFooter />
<ScrollButton
className="position-fixed bottom-0 mb-4 right-0 mr-4 z-1"
ariaLabel={t('scroll_to_top')}
/>
</footer>
</div>
</div>
</>
)
}