{"version":3,"file":"HeadContent.cjs","sources":["../../src/HeadContent.tsx"],"sourcesContent":["import * as React from 'react'\nimport { Asset } from './Asset'\nimport { useRouter } from './useRouter'\nimport { useRouterState } from './useRouterState'\nimport type { RouterManagedTag } from '@tanstack/router-core'\n\n/**\n * Build the list of head/link/meta/script tags to render for active matches.\n * Used internally by `HeadContent`.\n */\nexport const useTags = () => {\n  const router = useRouter()\n  const nonce = router.options.ssr?.nonce\n  const routeMeta = useRouterState({\n    select: (state) => {\n      return state.matches.map((match) => match.meta!).filter(Boolean)\n    },\n  })\n\n  const meta: Array<RouterManagedTag> = React.useMemo(() => {\n    const resultMeta: Array<RouterManagedTag> = []\n    const metaByAttribute: Record<string, true> = {}\n    let title: RouterManagedTag | undefined\n    for (let i = routeMeta.length - 1; i >= 0; i--) {\n      const metas = routeMeta[i]!\n      for (let j = metas.length - 1; j >= 0; j--) {\n        const m = metas[j]\n        if (!m) continue\n\n        if (m.title) {\n          if (!title) {\n            title = {\n              tag: 'title',\n              children: m.title,\n            }\n          }\n        } else {\n          const attribute = m.name ?? m.property\n          if (attribute) {\n            if (metaByAttribute[attribute]) {\n              continue\n            } else {\n              metaByAttribute[attribute] = true\n            }\n          }\n\n          resultMeta.push({\n            tag: 'meta',\n            attrs: {\n              ...m,\n              nonce,\n            },\n          })\n        }\n      }\n    }\n\n    if (title) {\n      resultMeta.push(title)\n    }\n\n    if (nonce) {\n      resultMeta.push({\n        tag: 'meta',\n        attrs: {\n          property: 'csp-nonce',\n          content: nonce,\n        },\n      })\n    }\n    resultMeta.reverse()\n\n    return resultMeta\n  }, [routeMeta, nonce])\n\n  const links = useRouterState({\n    select: (state) => {\n      const constructed = state.matches\n        .map((match) => match.links!)\n        .filter(Boolean)\n        .flat(1)\n        .map((link) => ({\n          tag: 'link',\n          attrs: {\n            ...link,\n            nonce,\n          },\n        })) satisfies Array<RouterManagedTag>\n\n      const manifest = router.ssr?.manifest\n\n      // These are the assets extracted from the ViteManifest\n      // using the `startManifestPlugin`\n      const assets = state.matches\n        .map((match) => manifest?.routes[match.routeId]?.assets ?? [])\n        .filter(Boolean)\n        .flat(1)\n        .filter((asset) => asset.tag === 'link')\n        .map(\n          (asset) =>\n            ({\n              tag: 'link',\n              attrs: {\n                ...asset.attrs,\n                suppressHydrationWarning: true,\n                nonce,\n              },\n            }) satisfies RouterManagedTag,\n        )\n\n      return [...constructed, ...assets]\n    },\n    structuralSharing: true as any,\n  })\n\n  const preloadLinks = useRouterState({\n    select: (state) => {\n      const preloadLinks: Array<RouterManagedTag> = []\n\n      state.matches\n        .map((match) => router.looseRoutesById[match.routeId]!)\n        .forEach((route) =>\n          router.ssr?.manifest?.routes[route.id]?.preloads\n            ?.filter(Boolean)\n            .forEach((preload) => {\n              preloadLinks.push({\n                tag: 'link',\n                attrs: {\n                  rel: 'modulepreload',\n                  href: preload,\n                  nonce,\n                },\n              })\n            }),\n        )\n\n      return preloadLinks\n    },\n    structuralSharing: true as any,\n  })\n\n  const styles = useRouterState({\n    select: (state) =>\n      (\n        state.matches\n          .map((match) => match.styles!)\n          .flat(1)\n          .filter(Boolean) as Array<RouterManagedTag>\n      ).map(({ children, ...attrs }) => ({\n        tag: 'style',\n        attrs,\n        children,\n        nonce,\n      })),\n    structuralSharing: true as any,\n  })\n\n  const headScripts: Array<RouterManagedTag> = useRouterState({\n    select: (state) =>\n      (\n        state.matches\n          .map((match) => match.headScripts!)\n          .flat(1)\n          .filter(Boolean) as Array<RouterManagedTag>\n      ).map(({ children, ...script }) => ({\n        tag: 'script',\n        attrs: {\n          ...script,\n          nonce,\n        },\n        children,\n      })),\n    structuralSharing: true as any,\n  })\n\n  return uniqBy(\n    [\n      ...meta,\n      ...preloadLinks,\n      ...links,\n      ...styles,\n      ...headScripts,\n    ] as Array<RouterManagedTag>,\n    (d) => {\n      return JSON.stringify(d)\n    },\n  )\n}\n\n/**\n * @description The `HeadContent` component is used to render meta tags, links, and scripts for the current route.\n * It should be rendered in the `<head>` of your document.\n */\n/**\n * Render route-managed head tags (title, meta, links, styles, head scripts).\n * Place inside the document head of your app shell.\n * @link https://tanstack.com/router/latest/docs/framework/react/guide/document-head-management\n */\nexport function HeadContent() {\n  const tags = useTags()\n  const router = useRouter()\n  const nonce = router.options.ssr?.nonce\n  return tags.map((tag) => (\n    <Asset {...tag} key={`tsr-meta-${JSON.stringify(tag)}`} nonce={nonce} />\n  ))\n}\n\nfunction uniqBy<T>(arr: Array<T>, fn: (item: T) => string) 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})\n}\n"],"names":["useRouter","useRouterState","React","preloadLinks","createElement","Asset"],"mappings":";;;;;;;;;;;;;;;;;;;;;;;AAUO,MAAM,UAAU,MAAM;AAC3B,QAAM,SAASA,UAAAA,UAAA;AACf,QAAM,QAAQ,OAAO,QAAQ,KAAK;AAClC,QAAM,YAAYC,eAAAA,eAAe;AAAA,IAC/B,QAAQ,CAAC,UAAU;AACjB,aAAO,MAAM,QAAQ,IAAI,CAAC,UAAU,MAAM,IAAK,EAAE,OAAO,OAAO;AAAA,IACjE;AAAA,EAAA,CACD;AAED,QAAM,OAAgCC,iBAAM,QAAQ,MAAM;AACxD,UAAM,aAAsC,CAAA;AAC5C,UAAM,kBAAwC,CAAA;AAC9C,QAAI;AACJ,aAAS,IAAI,UAAU,SAAS,GAAG,KAAK,GAAG,KAAK;AAC9C,YAAM,QAAQ,UAAU,CAAC;AACzB,eAAS,IAAI,MAAM,SAAS,GAAG,KAAK,GAAG,KAAK;AAC1C,cAAM,IAAI,MAAM,CAAC;AACjB,YAAI,CAAC,EAAG;AAER,YAAI,EAAE,OAAO;AACX,cAAI,CAAC,OAAO;AACV,oBAAQ;AAAA,cACN,KAAK;AAAA,cACL,UAAU,EAAE;AAAA,YAAA;AAAA,UAEhB;AAAA,QACF,OAAO;AACL,gBAAM,YAAY,EAAE,QAAQ,EAAE;AAC9B,cAAI,WAAW;AACb,gBAAI,gBAAgB,SAAS,GAAG;AAC9B;AAAA,YACF,OAAO;AACL,8BAAgB,SAAS,IAAI;AAAA,YAC/B;AAAA,UACF;AAEA,qBAAW,KAAK;AAAA,YACd,KAAK;AAAA,YACL,OAAO;AAAA,cACL,GAAG;AAAA,cACH;AAAA,YAAA;AAAA,UACF,CACD;AAAA,QACH;AAAA,MACF;AAAA,IACF;AAEA,QAAI,OAAO;AACT,iBAAW,KAAK,KAAK;AAAA,IACvB;AAEA,QAAI,OAAO;AACT,iBAAW,KAAK;AAAA,QACd,KAAK;AAAA,QACL,OAAO;AAAA,UACL,UAAU;AAAA,UACV,SAAS;AAAA,QAAA;AAAA,MACX,CACD;AAAA,IACH;AACA,eAAW,QAAA;AAEX,WAAO;AAAA,EACT,GAAG,CAAC,WAAW,KAAK,CAAC;AAErB,QAAM,QAAQD,eAAAA,eAAe;AAAA,IAC3B,QAAQ,CAAC,UAAU;AACjB,YAAM,cAAc,MAAM,QACvB,IAAI,CAAC,UAAU,MAAM,KAAM,EAC3B,OAAO,OAAO,EACd,KAAK,CAAC,EACN,IAAI,CAAC,UAAU;AAAA,QACd,KAAK;AAAA,QACL,OAAO;AAAA,UACL,GAAG;AAAA,UACH;AAAA,QAAA;AAAA,MACF,EACA;AAEJ,YAAM,WAAW,OAAO,KAAK;AAI7B,YAAM,SAAS,MAAM,QAClB,IAAI,CAAC,UAAU,UAAU,OAAO,MAAM,OAAO,GAAG,UAAU,CAAA,CAAE,EAC5D,OAAO,OAAO,EACd,KAAK,CAAC,EACN,OAAO,CAAC,UAAU,MAAM,QAAQ,MAAM,EACtC;AAAA,QACC,CAAC,WACE;AAAA,UACC,KAAK;AAAA,UACL,OAAO;AAAA,YACL,GAAG,MAAM;AAAA,YACT,0BAA0B;AAAA,YAC1B;AAAA,UAAA;AAAA,QACF;AAAA,MACF;AAGN,aAAO,CAAC,GAAG,aAAa,GAAG,MAAM;AAAA,IACnC;AAAA,IACA,mBAAmB;AAAA,EAAA,CACpB;AAED,QAAM,eAAeA,eAAAA,eAAe;AAAA,IAClC,QAAQ,CAAC,UAAU;AACjB,YAAME,gBAAwC,CAAA;AAE9C,YAAM,QACH,IAAI,CAAC,UAAU,OAAO,gBAAgB,MAAM,OAAO,CAAE,EACrD;AAAA,QAAQ,CAAC,UACR,OAAO,KAAK,UAAU,OAAO,MAAM,EAAE,GAAG,UACpC,OAAO,OAAO,EACf,QAAQ,CAAC,YAAY;AACpBA,wBAAa,KAAK;AAAA,YAChB,KAAK;AAAA,YACL,OAAO;AAAA,cACL,KAAK;AAAA,cACL,MAAM;AAAA,cACN;AAAA,YAAA;AAAA,UACF,CACD;AAAA,QACH,CAAC;AAAA,MAAA;AAGP,aAAOA;AAAAA,IACT;AAAA,IACA,mBAAmB;AAAA,EAAA,CACpB;AAED,QAAM,SAASF,eAAAA,eAAe;AAAA,IAC5B,QAAQ,CAAC,UAEL,MAAM,QACH,IAAI,CAAC,UAAU,MAAM,MAAO,EAC5B,KAAK,CAAC,EACN,OAAO,OAAO,EACjB,IAAI,CAAC,EAAE,UAAU,GAAG,aAAa;AAAA,MACjC,KAAK;AAAA,MACL;AAAA,MACA;AAAA,MACA;AAAA,IAAA,EACA;AAAA,IACJ,mBAAmB;AAAA,EAAA,CACpB;AAED,QAAM,cAAuCA,eAAAA,eAAe;AAAA,IAC1D,QAAQ,CAAC,UAEL,MAAM,QACH,IAAI,CAAC,UAAU,MAAM,WAAY,EACjC,KAAK,CAAC,EACN,OAAO,OAAO,EACjB,IAAI,CAAC,EAAE,UAAU,GAAG,cAAc;AAAA,MAClC,KAAK;AAAA,MACL,OAAO;AAAA,QACL,GAAG;AAAA,QACH;AAAA,MAAA;AAAA,MAEF;AAAA,IAAA,EACA;AAAA,IACJ,mBAAmB;AAAA,EAAA,CACpB;AAED,SAAO;AAAA,IACL;AAAA,MACE,GAAG;AAAA,MACH,GAAG;AAAA,MACH,GAAG;AAAA,MACH,GAAG;AAAA,MACH,GAAG;AAAA,IAAA;AAAA,IAEL,CAAC,MAAM;AACL,aAAO,KAAK,UAAU,CAAC;AAAA,IACzB;AAAA,EAAA;AAEJ;AAWO,SAAS,cAAc;AAC5B,QAAM,OAAO,QAAA;AACb,QAAM,SAASD,UAAAA,UAAA;AACf,QAAM,QAAQ,OAAO,QAAQ,KAAK;AAClC,SAAO,KAAK,IAAI,CAAC,QACfI,sBAAAA,cAACC,MAAAA,SAAO,GAAG,KAAK,KAAK,YAAY,KAAK,UAAU,GAAG,CAAC,IAAI,OAAc,CACvE;AACH;AAEA,SAAS,OAAU,KAAe,IAAyB;AACzD,QAAM,2BAAW,IAAA;AACjB,SAAO,IAAI,OAAO,CAAC,SAAS;AAC1B,UAAM,MAAM,GAAG,IAAI;AACnB,QAAI,KAAK,IAAI,GAAG,GAAG;AACjB,aAAO;AAAA,IACT;AACA,SAAK,IAAI,GAAG;AACZ,WAAO;AAAA,EACT,CAAC;AACH;;;"}