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| 1 | +import React from 'react'; |
| 2 | +import Head from '@docusaurus/Head'; |
| 3 | +import useDocusaurusContext from '@docusaurus/useDocusaurusContext'; |
| 4 | +import useBaseUrl from '@docusaurus/useBaseUrl'; |
| 5 | +import {PageMetadata, useThemeConfig} from '@docusaurus/theme-common'; |
| 6 | +import { |
| 7 | + DEFAULT_SEARCH_TAG, |
| 8 | +} from '@docusaurus/theme-common/internal'; |
| 9 | +import {useLocation} from '@docusaurus/router'; |
| 10 | +import {applyTrailingSlash} from '@docusaurus/utils-common'; |
| 11 | +import SearchMetadata from '@theme/SearchMetadata'; |
| 12 | + |
| 13 | +function useDefaultCanonicalUrl() { |
| 14 | + const { |
| 15 | + siteConfig: {url: siteUrl, baseUrl, trailingSlash}, |
| 16 | + } = useDocusaurusContext(); |
| 17 | + const {pathname} = useLocation(); |
| 18 | + const canonicalPathname = applyTrailingSlash(useBaseUrl(pathname), { |
| 19 | + trailingSlash, |
| 20 | + baseUrl, |
| 21 | + }); |
| 22 | + return siteUrl + canonicalPathname; |
| 23 | +} |
| 24 | + |
| 25 | +function CanonicalUrlHeaders({permalink}) { |
| 26 | + const { |
| 27 | + siteConfig: {url: siteUrl}, |
| 28 | + } = useDocusaurusContext(); |
| 29 | + const defaultCanonicalUrl = useDefaultCanonicalUrl(); |
| 30 | + const canonicalUrl = permalink |
| 31 | + ? `${siteUrl}${permalink}` |
| 32 | + : defaultCanonicalUrl; |
| 33 | + return ( |
| 34 | + <Head> |
| 35 | + <meta property="og:url" content={canonicalUrl} /> |
| 36 | + <link rel="canonical" href={canonicalUrl} /> |
| 37 | + </Head> |
| 38 | + ); |
| 39 | +} |
| 40 | + |
| 41 | +export default function SiteMetadata() { |
| 42 | + const { |
| 43 | + i18n: {currentLocale}, |
| 44 | + } = useDocusaurusContext(); |
| 45 | + const {metadata, image: defaultImage} = useThemeConfig(); |
| 46 | + return ( |
| 47 | + <> |
| 48 | + <Head> |
| 49 | + <meta name="twitter:card" content="summary_large_image" /> |
| 50 | + <body className="navigation-with-keyboard" /> |
| 51 | + </Head> |
| 52 | + |
| 53 | + {defaultImage && <PageMetadata image={defaultImage} />} |
| 54 | + |
| 55 | + <CanonicalUrlHeaders /> |
| 56 | + |
| 57 | + <SearchMetadata tag={DEFAULT_SEARCH_TAG} locale={currentLocale} /> |
| 58 | + |
| 59 | + <Head> |
| 60 | + {metadata.map((metadatum, i) => ( |
| 61 | + <meta key={i} {...metadatum} /> |
| 62 | + ))} |
| 63 | + </Head> |
| 64 | + </> |
| 65 | + ); |
| 66 | +} |
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