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[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10},"actionData","errors","root",{"_170":171,"_172":173},"routes/_app.x.$handle.$name",{"_11":12,"_13":14,"_15":16,"_18":19,"_17":-7,"_129":-5,"_20":130,"_22":131,"_132":133,"_134":135,"_25":136,"_24":-5,"_137":-5,"_138":-5,"_139":54,"_140":141,"_142":45,"_143":-5,"_144":-5,"_145":146},"routes/_app.x.$handle.$name.branch.$branch.code.$",{"_11":12,"_13":14,"_15":16,"_17":-7,"_18":19,"_20":21,"_22":23,"_24":-7,"_25":26,"_27":-5,"_28":-5,"_29":-5,"_30":-5,"_31":-5},"handle","bao","name","natgeo","branchName","main","version","path","","project",{"_34":74,"_13":14,"_46":75,"_76":-5,"_77":54,"_78":79,"_80":79,"_81":82,"_83":-5,"_84":85,"_86":-5,"_87":54,"_88":-5,"_89":-5,"_90":91,"_92":93,"_94":-5,"_95":-5,"_96":-5,"_97":-5,"_98":99,"_100":99,"_101":102,"_103":102,"_104":102,"_105":99,"_106":99,"_107":108,"_109":110,"_111":112,"_113":54},"tree",[65,66],"file","contents",[32,33],"upstream","pull","ahead","behind","envVars",{"_34":57,"_13":58,"_37":59,"_39":-5,"_40":41,"_42":60,"_44":45,"_46":61,"_17":62,"_49":24,"_51":63,"_53":54,"_55":-5,"_18":64},{"_34":35,"_13":36,"_37":38,"_39":-5,"_40":41,"_42":43,"_44":45,"_46":47,"_17":48,"_49":50,"_51":52,"_53":54,"_55":14,"_18":56},"id","c7fa919a-2fc6-11f1-951b-42dde27851f2","main.ts","fileId","c241cc4c-2be7-11f1-a335-42dde27851f2","parentId","branchId","c23d130a-2be7-11f1-a335-42dde27851f2","branchVersion",6,"latest",true,"createdAt",["D",1775266623015],5,"fileType","http","content","// National Geographic RSS Feed Generator\n// Scrapes the NatGeo homepage and outputs a valid RSS 2.0 feed\n\nconst NATGEO_URL = \"https://www.nationalgeographic.com\";\n\n// Date pattern on article pages, e.g. \"January 5, 2026\" or \"March 30, 2026\"\nconst DATE_PATTERN =\n /\\b(January|February|March|April|May|June|July|August|September|October|November|December)\\s+(\\d{1,2}),\\s+(\\d{4})\\b/;\n\ninterface Article {\n title: string;\n url: string;\n category: string;\n pubDate: string; // RFC 2822 date string, or empty string if unknown\n}\n\nasync function scrapeNatGeo(): Promise {\n const res = await fetch(NATGEO_URL, {\n headers: {\n \"User-Agent\":\n \"Mozilla/5.0 (compatible; RSSBot/1.0; +https://valtown.com)\",\n },\n });\n\n if (!res.ok) {\n throw new Error(`Failed to fetch NatGeo: ${res.status} ${res.statusText}`);\n }\n\n const html = await res.text();\n\n // Extract all anchor tags with NatGeo article URLs along with their inner text.\n const anchorPattern =\n /]*href=\"(https:\\/\\/www\\.nationalgeographic\\.com\\/(science|history|animals|health|environment|travel|adventure|photography|impact|culture)\\/(?:article|best-of-the-world-\\d{4}\\/article)\\/[^\"]+)\"[^>]*>([^<]*)<\\/a>/gi;\n\n const seen = new Map>();\n\n let match: RegExpExecArray | null;\n while ((match = anchorPattern.exec(html)) !== null) {\n const url = match[1];\n const category = match[2];\n const rawTitle = match[3].trim();\n\n if (rawTitle.length < 5) continue;\n\n const title = escapeXml(rawTitle);\n const existing = seen.get(url);\n if (!existing || title.length > existing.title.length) {\n seen.set(url, { title, url, category: escapeXml(capitalize(category)) });\n }\n }\n\n // Fallback: catch URLs without anchor text\n const fallbackPattern =\n /href=\"(https:\\/\\/www\\.nationalgeographic\\.com\\/(science|history|animals|health|environment|travel|adventure|photography|impact|culture)\\/(?:article|best-of-the-world-\\d{4}\\/article)\\/[^\"]+)\"/g;\n\n while ((match = fallbackPattern.exec(html)) !== null) {\n const url = match[1];\n if (!seen.has(url)) {\n const category = match[2];\n seen.set(url, {\n title: escapeXml(urlToTitle(url)),\n url,\n category: escapeXml(capitalize(category)),\n });\n }\n }\n\n const articles = Array.from(seen.values());\n\n // Fetch publish dates AND real titles from each article page in parallel, max 8 at a time\n const withDates = await mapWithConcurrency(articles, 8, async (a) => {\n const { pubDate, title } = await fetchArticleDetails(a.url);\n return { ...a, pubDate, title: title || a.title };\n });\n\n return withDates;\n}\n\ninterface ArticleDetails {\n pubDate: string;\n title: string;\n}\n\nasync function fetchArticleDetails(url: string): Promise {\n try {\n const res = await fetch(url, {\n headers: {\n \"User-Agent\":\n \"Mozilla/5.0 (compatible; RSSBot/1.0; +https://valtown.com)\",\n },\n });\n if (!res.ok) return { pubDate: \"\", title: \"\" };\n const html = await res.text();\n\n // Extract publish date\n const dateMatch = DATE_PATTERN.exec(html);\n let pubDate = \"\";\n if (dateMatch) {\n const date = new Date(`${dateMatch[1]} ${dateMatch[2]}, ${dateMatch[3]}`);\n pubDate = isNaN(date.getTime()) ? \"\" : date.toUTCString();\n }\n\n // Extract real title: try tag first, then og:title, then <h1>\n let title = \"\";\n\n // Try Open Graph title (most reliable for article titles)\n const ogMatch = html.match(/<meta\\s+property=\"og:title\"\\s+content=\"([^\"]+)\"/i)\n || html.match(/<meta\\s+content=\"([^\"]+)\"\\s+property=\"og:title\"/i);\n if (ogMatch) {\n title = ogMatch[1].trim();\n }\n\n // Fallback: <title> tag (strip \" | National Geographic\" suffix)\n if (!title) {\n const titleMatch = html.match(/<title[^>]*>([^<]+)<\\/title>/i);\n if (titleMatch) {\n title = titleMatch[1]\n .replace(/\\s*[|\\-–—]\\s*(National Geographic.*)?$/i, \"\")\n .trim();\n }\n }\n\n // Fallback: first <h1>\n if (!title) {\n const h1Match = html.match(/<h1[^>]*>([^<]+)<\\/h1>/i);\n if (h1Match) {\n title = h1Match[1].trim();\n }\n }\n\n return { pubDate, title: title ? escapeXml(title) : \"\" };\n } catch {\n return { pubDate: \"\", title: \"\" };\n }\n}\n\n// Run `fn` over `items` with at most `concurrency` in-flight at once\nasync function mapWithConcurrency<T, U>(\n items: T[],\n concurrency: number,\n fn: (item: T) => Promise<U>,\n): Promise<U[]> {\n const results: U[] = new Array(items.length);\n let index = 0;\n\n async function worker() {\n while (index < items.length) {\n const i = index++;\n results[i] = await fn(items[i]);\n }\n }\n\n const workers = Array.from({ length: concurrency }, () => worker());\n await Promise.all(workers);\n return results;\n}\n\nfunction urlToTitle(url: string): string {\n const slug = url.split(\"/\").pop() || \"\";\n return slug\n .replace(/-/g, \" \")\n .replace(/\\b\\w/g, (c) => c.toUpperCase());\n}\n\nfunction capitalize(s: string): string {\n return s.charAt(0).toUpperCase() + s.slice(1);\n}\n\nfunction escapeXml(str: string): string {\n return str\n .replace(/&/g, \"&\")\n .replace(/</g, \"<\")\n .replace(/>/g, \">\")\n .replace(/\"/g, \""\")\n .replace(/'/g, \"'\");\n}\n\nfunction buildRSS(articles: Article[]): string {\n const now = new Date().toUTCString();\n\n const items = articles\n .map(\n (a) => `\n <item>\n <title>${a.title}\n ${a.url}\n ${a.url}\n ${a.category}\n ${a.pubDate || now}\n `,\n )\n .join(\"\\n\");\n\n return `\n\n \n National Geographic - Latest Stories\n ${NATGEO_URL}\n Latest stories from National Geographic\n en-us\n ${now}\n \n ${items}\n \n`;\n}\n\nexport default async function handler(req: Request): Promise {\n try {\n const articles = await scrapeNatGeo();\n\n if (articles.length === 0) {\n return new Response(\"No articles found\", { status: 500 });\n }\n\n const rss = buildRSS(articles);\n\n return new Response(rss, {\n headers: {\n \"Content-Type\": \"application/rss+xml; charset=utf-8\",\n \"Cache-Control\": \"public, max-age=900\", // cache for 15 minutes\n },\n });\n } catch (err) {\n const message = err instanceof Error ? 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Code