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(res.headers as unknown as { getSetCookie: () => string[] }).getSetCookie()\n : (res.headers.get(\"set-cookie\") ?? \"\").split(/,(?=[^ ])/);\n const map: Record = {};\n for (const r of setCookies) {\n const p = r.split(\";\")[0].trim(); const eq = p.indexOf(\"=\");\n if (eq > 0) map[p.slice(0, eq).trim()] = p.slice(eq + 1).trim();\n }\n const csrf = map[\"csrftoken\"] ?? html.match(/\"csrfToken\"\\s*:\\s*\"([^\"]+)\"/)?.[1] ?? \"\";\n if (!csrf) throw new Error(`csrftoken not found. Cookie keys: ${Object.keys(map).join(\", \")}`);\n return { csrf, cookies: Object.entries(map).map(([k,v]) => `${k}=${v}`).join(\"; \") };\n}\n\nasync function fetchPage(page: number, csrf: string, cookies: string): Promise {\n const res = await fetch(API_URL, {\n method: \"POST\",\n headers: {\n \"Content-Type\": \"application/json\", \"Accept\": \"application/json\",\n \"User-Agent\": UA, \"Referer\": BROWSE_URL, \"Origin\": \"https://www.eventbrite.sg\",\n \"X-CSRFToken\": csrf, \"X-Requested-With\": \"XMLHttpRequest\", \"Cookie\": cookies,\n },\n body: JSON.stringify({\n event_search: { q: \"\", price: \"free\", dates: \"current_future\", bbox: SG_BBOX },\n page,\n }),\n });\n if (!res.ok) return [];\n try {\n const data = await res.json() as Record;\n const results = (data.events as Record)?.results;\n return Array.isArray(results) ? results : [];\n } catch { return []; }\n}\n\nfunction mapEvent(e: Record): EventItem | null {\n const nameObj = e.name as Record | undefined;\n const title = typeof e.name === \"string\" ? e.name : (nameObj?.text as string) ?? \"\";\n if (!title) return null;\n const url = (e.url as string) ?? \"\";\n if (!url.startsWith(\"http\")) return null;\n const start = e.start as Record | undefined;\n const startDate = (start?.local as string) ?? (start?.utc as string) ?? \"\";\n const venue = (e.venue ?? e.primary_venue) as Record | undefined;\n const addr = venue?.address as Record | undefined;\n const loc = (venue?.name as string) ?? (addr?.localized_address_display as string) ?? \"Singapore\";\n const descObj = e.description as Record | undefined;\n const summary = (e.summary as string)\n ?? (typeof e.description === \"string\" ? e.description : descObj?.text as string) ?? \"\";\n const img = (e.image ?? e.logo) as Record | undefined;\n const imgOrig = img?.original as Record | undefined;\n const imageUrl = (img?.url as string) ?? (imgOrig?.url as string) ?? \"\";\n return {\n title, link: url,\n description: [summary.slice(0, 200), `📍 ${loc}`, startDate ? `🗓 ${fmtSg(startDate)}` : \"\"]\n .filter(Boolean).join(\" — \"),\n pubDate: startDate, location: loc, imageUrl,\n };\n}\n\nfunction buildRss(events: EventItem[]) {\n const buildDate = new Date().toUTCString();\n const items = events.map(e => ` \n <![CDATA[${e.title}]]>\n ${escapeXml(e.link)}\n ${escapeXml(e.link)}\n \n ${e.pubDate ? `${toRfc822(e.pubDate)}` : \"\"}\n ${e.imageUrl ? `` : \"\"}\n `).join(\"\\n\");\n return `\n\n \n Free Events Singapore 🇸🇬 — Eventbrite\n ${escapeXml(BROWSE_URL)}\n \n Free upcoming events in Singapore via Eventbrite.\n en-SG\n ${buildDate}\n 60\n${items}\n \n`;\n}\n\nexport default async function(req: Request): Promise {\n const debug = new URL(req.url).searchParams.get(\"debug\") === \"1\";\n\n const { csrf, cookies } = await fetchCsrf();\n\n // Fetch all pages in parallel\n const pages = await Promise.all(\n Array.from({ length: PAGES }, (_, i) => fetchPage(i + 1, csrf, cookies))\n );\n\n // Merge and deduplicate by URL\n const seen = new Set();\n const events: EventItem[] = [];\n for (const page of pages) {\n for (const raw of page) {\n const item = mapEvent(raw as Record);\n if (item && !seen.has(item.link)) {\n seen.add(item.link);\n events.push(item);\n }\n }\n }\n\n if (debug) {\n return new Response(\n [`total: ${events.length}`, \"\", ...events.map((e, i) => `${i+1}. ${e.title} | ${e.location} | ${e.pubDate}`)].join(\"\\n\"),\n { headers: { \"Content-Type\": \"text/plain; 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Diff · v16