{"version":3,"file":"headContentUtils.cjs","names":["Solid","escapeHtml","getAssetCrossOrigin","resolveManifestAssetLink","useRouter","AssetCrossOriginConfig","RouterManagedTag","useTags","assetCrossOrigin","router","nonce","options","ssr","getTagKey","tag","JSON","stringify","activeMatches","createMemo","stores","activeMatchesSnapshot","state","routeMeta","map","match","meta","filter","Boolean","Accessor","Array","resultMeta","metaByAttribute","Record","title","routeMetasArray","i","length","metas","j","m","children","json","push","attrs","type","attribute","name","property","content","reverse","links","matches","constructed","flat","link","manifest","assets","routes","routeId","asset","crossOrigin","preloadLinks","looseRoutesById","forEach","route","id","preloads","preload","preloadLink","rel","href","styles","style","headScripts","script","prev","next","uniqBy","every","index","arr","T","fn","item","seen","Set","key","has","add"],"sources":["../../src/headContentUtils.tsx"],"sourcesContent":["import * as Solid from 'solid-js'\nimport {\n  escapeHtml,\n  getAssetCrossOrigin,\n  resolveManifestAssetLink,\n} from '@tanstack/router-core'\nimport { useRouter } from './useRouter'\nimport type {\n  AssetCrossOriginConfig,\n  RouterManagedTag,\n} 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 = (assetCrossOrigin?: AssetCrossOriginConfig) => {\n  const router = useRouter()\n  const nonce = router.options.ssr?.nonce\n  const getTagKey = (tag: RouterManagedTag) => JSON.stringify(tag)\n  const activeMatches = Solid.createMemo(\n    () => router.stores.activeMatchesSnapshot.state,\n  )\n  const routeMeta = Solid.createMemo(() =>\n    activeMatches()\n      .map((match) => match.meta!)\n      .filter(Boolean),\n  )\n\n  const meta: Solid.Accessor<Array<RouterManagedTag>> = Solid.createMemo(() => {\n    const resultMeta: Array<RouterManagedTag> = []\n    const metaByAttribute: Record<string, true> = {}\n    let title: RouterManagedTag | undefined\n    const routeMetasArray = routeMeta()\n    for (let i = routeMetasArray.length - 1; i >= 0; i--) {\n      const metas = routeMetasArray[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 if ('script:ld+json' in m) {\n          // Handle JSON-LD structured data\n          // Content is HTML-escaped to prevent XSS when injected via innerHTML\n          try {\n            const json = JSON.stringify(m['script:ld+json'])\n            resultMeta.push({\n              tag: 'script',\n              attrs: {\n                type: 'application/ld+json',\n              },\n              children: escapeHtml(json),\n            })\n          } catch {\n            // Skip invalid JSON-LD objects\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 (router.options.ssr?.nonce) {\n      resultMeta.push({\n        tag: 'meta',\n        attrs: {\n          property: 'csp-nonce',\n          content: router.options.ssr.nonce,\n        },\n      })\n    }\n    resultMeta.reverse()\n\n    return resultMeta\n  })\n\n  const links = Solid.createMemo(() => {\n    const matches = activeMatches()\n    const constructed = 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    const assets = 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              crossOrigin:\n                getAssetCrossOrigin(assetCrossOrigin, 'stylesheet') ??\n                asset.attrs?.crossOrigin,\n              nonce,\n            },\n          }) satisfies RouterManagedTag,\n      )\n\n    return [...constructed, ...assets]\n  })\n\n  const preloadLinks = Solid.createMemo(() => {\n    const matches = activeMatches()\n    const preloadLinks: Array<RouterManagedTag> = []\n\n    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            const preloadLink = resolveManifestAssetLink(preload)\n            preloadLinks.push({\n              tag: 'link',\n              attrs: {\n                rel: 'modulepreload',\n                href: preloadLink.href,\n                crossOrigin:\n                  getAssetCrossOrigin(assetCrossOrigin, 'modulepreload') ??\n                  preloadLink.crossOrigin,\n                nonce,\n              },\n            })\n          }),\n      )\n\n    return preloadLinks\n  })\n\n  const styles = Solid.createMemo(() =>\n    (\n      activeMatches()\n        .map((match) => match.styles!)\n        .flat(1)\n        .filter(Boolean) as Array<RouterManagedTag>\n    ).map(({ children, ...style }) => ({\n      tag: 'style',\n      attrs: {\n        ...style,\n        nonce,\n      },\n      children,\n    })),\n  )\n\n  const headScripts = Solid.createMemo(() =>\n    (\n      activeMatches()\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  )\n\n  return Solid.createMemo((prev: Array<RouterManagedTag> | undefined) => {\n    const next = uniqBy(\n      [\n        ...meta(),\n        ...preloadLinks(),\n        ...links(),\n        ...styles(),\n        ...headScripts(),\n      ] as Array<RouterManagedTag>,\n      getTagKey,\n    )\n\n    if (\n      prev &&\n      prev.length === next.length &&\n      prev.every((tag, index) => getTagKey(tag) === getTagKey(next[index]!))\n    ) {\n      return prev\n    }\n\n    return next\n  })\n}\n\nexport function uniqBy<T>(arr: Array<T>, fn: (item: T) => string) {\n  const seen = new Set<string>()\n  return arr.filter((item) => {\n    const key = fn(item)\n    if (seen.has(key)) {\n      return false\n    }\n    seen.add(key)\n    return true\n  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