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or or similar\n const titleMatch = inner.match(\n /<(?:h[1-6]|strong)[^>]>([\\s\\S]?)<\\/(?:h[1-6]|strong)>/i,\n );\n if (!titleMatch) continue;\n const title = stripTags(titleMatch[1]).trim();\n if (title.length < 4) continue;\n\n // Extract thumbnail image src\n const imgMatch = inner.match(/]+src=\"([^\"]+)\"/i);\n const imageUrl = imgMatch ? imgMatch[1] : \"\";\n\n // Extract all visible text for description\n const allText = stripTags(inner)\n .split(/[\\n\\r]+/)\n .map((s) => s.trim())\n .filter((s) => s && s !== title && s.length > 1)\n .slice(0, 6)\n .join(\" · \");\n\n // Detect status\n const status = /Sold Out/i.test(inner)\n ? \" [Sold Out]\"\n : /Waitlist/i.test(inner)\n ? \" [Waitlist]\"\n : \"\";\n\n events.push({\n slug,\n title,\n description: allText + status,\n imageUrl,\n status,\n });\n }\n\n // ── Build RSS XML ─────────────────────────────────────────────────────────\n const now = new Date().toUTCString();\n const items = events\n .map(\n (e) => `\n \n ${x(e.title)}\n https://luma.com${x(e.slug)}\n https://luma.com${x(e.slug)}\n ${x(e.description)}\n ${\n e.imageUrl\n ? ``\n : \"\"\n }\n `,\n )\n .join(\"\\n\");\n\n const rss = `\n\n \n Popular Events in Singapore · Luma\n https://luma.com/singapore\n Discover the hottest events in Singapore — tech, innovation, culture, fitness, and more.\n en-sg\n ${now}\n \n ${items}\n \n`;\n\n return new Response(rss, {\n headers: {\n \"Content-Type\": \"application/rss+xml; charset=utf-8\",\n // Cache for 30 minutes so repeated reader polls don't hammer Luma\n \"Cache-Control\": \"public, max-age=1800\",\n },\n });\n}\n\n// ── Helpers ───────────────────────────────────────────────────────────────\n\nfunction stripTags(str: string): string {\n return str.replace(/<[^>]+>/g, \" \").replace(/\\s{2,}/g, \" \").trim();\n}\n\nfunction x(str: string): string {\n return str\n .replace(/&/g, \"&\")\n .replace(//g, \">\")\n .replace(/\"/g, \""\");\n}","/**\n * Luma Singapore — Live RSS Feed\n * Deploy at https://val.town/new as an HTTP val.\n \n Strategy:\n * 1. Try Luma's internal discover API (no key needed, pure HTTP)\n * 2. Fall back to Firecrawl if the internal API blocks (free key at firecrawl.dev)\n \n Environment variables (set in val.town Settings → Environment Variables):\n * FIRECRAWL_API_KEY — optional, only needed if Luma's API returns empty\n /\n\nconst LUMA_GEO = \"singapore\";\nconst SINGAPORE_LAT = 1.3521;\nconst SINGAPORE_LNG = 103.8198;\n\nexport default async function handler(_req: Request): Promise {\n let events: LumaEvent[] = [];\n\n // ── Strategy 1: Luma internal discover API ───────────────────────────────\n events = await fetchViaLumaAPI();\n\n // ── Strategy 2: Firecrawl fallback ──────────────────────────────────────\n if (events.length === 0) {\n const fcKey = Deno.env.get(\"FIRECRAWL_API_KEY\");\n if (fcKey) {\n events = await fetchViaFirecrawl(fcKey);\n }\n }\n\n if (events.length === 0) {\n return new Response(\n \"No events found. If Luma's API changed, add a FIRECRAWL_API_KEY env var (free at firecrawl.dev).\",\n { status: 502 },\n );\n }\n\n return new Response(buildRss(events), {\n headers: {\n \"Content-Type\": \"application/rss+xml; charset=utf-8\",\n \"Cache-Control\": \"public, max-age=1800\", // cache 30 min\n },\n });\n}\n\n// ── Types ─────────────────────────────────────────────────────────────────\n\ninterface LumaEvent {\n title: string;\n link: string;\n description: string;\n imageUrl?: string;\n pubDate?: string;\n author?: string;\n}\n\n// ── Strategy 1: Luma internal API ─────────────────────────────────────────\n// Luma's discovery page makes XHR calls to their backend.\n// We try multiple known endpoint patterns — whichever one works, we use.\n\nasync function fetchViaLumaAPI(): Promise {\n const endpoints = [\n // Slug-based (most likely for named city pages)\n `https://api.lu.ma/discover/get-paginated-events?discover_geo=${LUMA_GEO}&pagination_limit=50`,\n // Coordinate-based (what Apify scrapers use after geocoding)\n `https://api.lu.ma/discover/get-paginated-events?latitude=${SINGAPORE_LAT}&longitude=${SINGAPORE_LNG}&pagination_limit=50&radius=50`,\n // Alternate slug format\n `https://api.lu.ma/discover/get-paginated-events?geo=${LUMA_GEO}&pagination_limit=50`,\n ];\n\n const headers = {\n \"Accept\": \"application/json\",\n \"x-luma-client-type\": \"web\",\n \"Origin\": \"https://luma.com\",\n \"Referer\": \"https://luma.com/singapore\",\n };\n\n for (const url of endpoints) {\n try {\n const res = await fetch(url, { headers });\n if (!res.ok) continue;\n const data = await res.json();\n\n // Luma API response shape: { entries: [...], pagination: {...} }\n // Each entry: { event: { name, url, start_at, cover_url, ... }, ... }\n const entries: any[] = data?.entries ?? data?.events ?? data?.data ?? [];\n if (entries.length === 0) continue;\n\n return entries.map((entry: any) => {\n const ev = entry.event ?? entry;\n const slug = ev.url ?? ev.api_id ?? \"\";\n const link = slug.startsWith(\"http\") ? slug : `https://lu.ma/${slug}`;\n return {\n title: ev.name ?? \"Untitled Event\",\n link,\n description: [ev.description, ev.geo_address_info?.address].filter(\n Boolean,\n ).join(\" · \"),\n imageUrl: ev.cover_url ?? ev.image_url,\n pubDate: ev.start_at\n ? new Date(ev.start_at).toUTCString()\n : undefined,\n author: ev.calendar?.name ??\n ev.hosts?.map((h: any) => h.name).join(\", \"),\n };\n });\n } catch {\n continue;\n }\n }\n\n return [];\n}\n\n// ── Strategy 2: Firecrawl ─────────────────────────────────────────────────\n// Firecrawl renders JS, returns clean markdown. Free tier: 500 pages/month.\n// Get a key at https://firecrawl.dev\n\nasync function fetchViaFirecrawl(apiKey: string): Promise {\n try {\n const res = await fetch(\"https://api.firecrawl.dev/v1/scrape\", {\n method: \"POST\",\n headers: {\n \"Authorization\": `Bearer ${apiKey}`,\n \"Content-Type\": \"application/json\",\n },\n body: JSON.stringify({\n url: \"https://luma.com/singapore\",\n formats: [\"markdown\"],\n onlyMainContent: true,\n waitFor: 3000, // wait 3s for JS to render\n }),\n });\n\n const data = await res.json();\n const markdown: string = data?.data?.markdown ?? \"\";\n return parseMarkdownEvents(markdown);\n } catch {\n return [];\n }\n}\n\n// Parse events from Firecrawl markdown output\nfunction parseMarkdownEvents(md: string): LumaEvent[] {\n const events: LumaEvent[] = [];\n // Luma renders events as: ### Event Title\\n\\nBy Author\\n\\nVenue\n const blocks = md.split(/\\n(?=###\\s)/);\n\n for (const block of blocks) {\n const titleMatch = block.match(/^###\\s+(.+)/m);\n if (!titleMatch) continue;\n const title = titleMatch[1].trim();\n if (title.length < 4) continue;\n\n // Find luma.com links\n const linkMatch = block.match(\n /https?:\\/\\/(?:luma\\.com|lu\\.ma)\\/([a-zA-Z0-9_-]+)/,\n );\n const link = linkMatch ? linkMatch[0] : `https://luma.com/singapore`;\n\n const lines = block\n .replace(/#{1,6}\\s.+/g, \"\")\n .split(\"\\n\")\n .map((l) => l.replace(/[[\\]()]/g, \"\").trim())\n .filter((l) => l && l.length > 1 && !l.startsWith(\"http\"));\n\n events.push({\n title,\n link,\n description: lines.slice(0, 4).join(\" · \"),\n });\n }\n\n return events;\n}\n\n// ── RSS builder ───────────────────────────────────────────────────────────\n\nfunction buildRss(events: LumaEvent[]): string {\n const now = new Date().toUTCString();\n const items = events.map((e) => `\n \n ${x(e.title)}\n ${x(e.link)}\n ${x(e.link)}\n ${x(e.description)}\n ${e.author ? `${x(e.author)}` : \"\"}\n ${e.pubDate ? `${x(e.pubDate)}` : \"\"}\n 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Diff · v5