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await pageRes.text() : \"\";\n\n const authorName = oembed.author_name || titleCaseHandle(parsed.username);\n const authorHandle = oembed.author_url\n ? normalizeHandle(\n safePathnameFirstSegment(oembed.author_url) || parsed.username,\n )\n : `@${parsed.username}`;\n\n const tweetText = extractTweetTextFromHtml(oembed.html || \"\");\n const timestamp = extractTimestampFromHtml(oembed.html || \"\");\n const sourceBadge = `x.com / ${parsed.username}`;\n const avatarDataUrl = await getAvatarDataUrl(parsed.username);\n\n const media = await extractMediaFromHtml(pageHtml);\n\n return json({\n ok: true,\n sourceUrl: parsed.normalizedUrl,\n username: parsed.username,\n statusId: parsed.statusId,\n authorName,\n authorHandle,\n tweetText,\n timestamp,\n sourceBadge,\n avatarDataUrl,\n\n mediaType: media.mediaType,\n mediaUrl: media.mediaUrl,\n imageUrl: media.imageUrl,\n videoPosterUrl: media.videoPosterUrl,\n videoUrl: media.videoUrl,\n media: media.media,\n });\n } catch (error) {\n return json(\n {\n ok: false,\n error: error instanceof Error ? error.message : \"Unknown error\",\n },\n 500,\n );\n }\n}\n\nfunction corsHeaders() {\n return {\n \"Access-Control-Allow-Origin\": \"*\",\n \"Access-Control-Allow-Methods\": \"GET, OPTIONS\",\n \"Access-Control-Allow-Headers\": \"Content-Type\",\n \"Content-Type\": \"application/json; charset=utf-8\",\n \"Cache-Control\": \"public, max-age=300\",\n };\n}\n\nfunction json(data: unknown, status = 200) {\n return new Response(JSON.stringify(data, null, 2), {\n status,\n headers: corsHeaders(),\n });\n}\n\nfunction normalizeHandle(handle: string) {\n const raw = handle.trim().replace(/^@+/, \"\");\n return raw ? `@${raw}` : \"\";\n}\n\nfunction titleCaseHandle(handle: string) {\n return handle\n .replace(/[-_]+/g, \" \")\n .replace(/\\b\\w/g, (char) => char.toUpperCase());\n}\n\nfunction safePathnameFirstSegment(rawUrl: string) {\n try {\n const url = new URL(rawUrl);\n return url.pathname.split(\"/\").filter(Boolean)[0] || \"\";\n } catch {\n return \"\";\n }\n}\n\nfunction parseTweetUrl(raw: string):\n | { ok: true; username: string; statusId: string; normalizedUrl: string }\n | { ok: false; reason: string } {\n try {\n const candidate = raw.startsWith(\"http\") ? raw : `https://${raw}`;\n const url = new URL(candidate);\n const host = url.hostname.replace(/^www\\./, \"\");\n\n if (![\"x.com\", \"twitter.com\"].includes(host)) {\n return {\n ok: false,\n reason: \"Only x.com and twitter.com URLs are supported.\",\n };\n }\n\n const match = url.pathname.match(/^\\/([^/]+)\\/status\\/(\\d+)/i);\n if (!match) {\n return { ok: false, reason: \"Could not find a valid status URL.\" };\n }\n\n const [, username, statusId] = match;\n return {\n ok: true,\n username,\n statusId,\n normalizedUrl: `https://x.com/${username}/status/${statusId}`,\n };\n } catch {\n return { ok: false, reason: \"Invalid URL.\" };\n }\n}\n\nfunction decodeHtmlEntities(input: string): string {\n return input\n .replace(/&/g, \"&\")\n .replace(/</g, \"<\")\n .replace(/>/g, \">\")\n .replace(/"/g, '\"')\n .replace(/'/g, \"'\")\n .replace(///g, \"/\");\n}\n\nfunction stripTags(input: string): string {\n return input.replace(/<[^>]*>/g, \" \");\n}\n\nfunction extractTweetTextFromHtml(html: string): string {\n if (!html) return \"\";\n\n const paragraphMatch = html.match(/]*>([\\s\\S]*?)<\\/p>/i) ||\n html.match(/]*>([\\s\\S]*?)<\\/blockquote>/i);\n\n const raw = paragraphMatch?.[1] || \"\";\n const text = decodeHtmlEntities(raw)\n .replace(//gi, \"\\n\")\n .replace(/<\\/p>/gi, \"\\n\")\n .replace(/]*>([\\s\\S]*?)<\\/a>/gi, \"$1\");\n\n return stripTags(text)\n .replace(/https:\\/\\/t\\.co\\/\\S+/g, \"\")\n .replace(/\\n{3,}/g, \"\\n\\n\")\n .trim();\n}\n\nfunction extractTimestampFromHtml(html: string): string {\n if (!html) return \"\";\n\n const anchorMatches = Array.from(\n html.matchAll(/]*href=\"([^\"]+)\"[^>]*>([\\s\\S]*?)<\\/a>/gi),\n );\n\n for (const match of anchorMatches) {\n const href = match[1] || \"\";\n const label = decodeHtmlEntities(stripTags(match[2] || \"\")).trim();\n if (/\\/status\\/\\d+/.test(href) && label) {\n return label;\n }\n }\n\n return \"\";\n}\n\nfunction extractMetaContent(\n html: string,\n keys: string[],\n): string {\n for (const key of keys) {\n const patterns = [\n new RegExp(\n `]+property=[\"']${\n escapeRegExp(key)\n }[\"'][^>]+content=[\"']([^\"']+)[\"'][^>]*>`,\n \"i\",\n ),\n new RegExp(\n `]+content=[\"']([^\"']+)[\"'][^>]+property=[\"']${\n escapeRegExp(key)\n }[\"'][^>]*>`,\n \"i\",\n ),\n new RegExp(\n `]+name=[\"']${\n escapeRegExp(key)\n }[\"'][^>]+content=[\"']([^\"']+)[\"'][^>]*>`,\n \"i\",\n ),\n new RegExp(\n `]+content=[\"']([^\"']+)[\"'][^>]+name=[\"']${\n escapeRegExp(key)\n }[\"'][^>]*>`,\n \"i\",\n ),\n ];\n\n for (const pattern of patterns) {\n const match = html.match(pattern);\n const value = match?.[1]?.trim();\n if (value) {\n return decodeHtmlEntities(value);\n }\n }\n }\n\n return \"\";\n}\n\nfunction escapeRegExp(value: string): string {\n return value.replace(/[.*+?^${}()|[\\]\\\\]/g, \"\\\\$&\");\n}\n\nfunction absolutizeUrl(candidate: string, baseUrl: string): string {\n if (!candidate) return \"\";\n try {\n return new URL(candidate, baseUrl).toString();\n } catch {\n return \"\";\n }\n}\n\nasync function extractMediaFromHtml(html: string) {\n if (!html) {\n return {\n mediaType: \"\",\n mediaUrl: \"\",\n imageUrl: \"\",\n videoPosterUrl: \"\",\n videoUrl: \"\",\n media: [] as Array<{ type: string; url: string; posterUrl?: string }>,\n };\n }\n\n const imageRaw = extractMetaContent(html, [\n \"twitter:image\",\n \"twitter:image:src\",\n \"og:image\",\n \"og:image:url\",\n \"og:image:secure_url\",\n ]);\n\n const videoRaw = extractMetaContent(html, [\n \"og:video\",\n \"og:video:url\",\n \"og:video:secure_url\",\n \"twitter:player:stream\",\n ]);\n\n const twitterCard = extractMetaContent(html, [\"twitter:card\"]).toLowerCase();\n\n const imageUrl = absolutizeUrl(imageRaw, \"https://x.com\");\n const videoUrl = absolutizeUrl(videoRaw, \"https://x.com\");\n const videoPosterUrl = imageUrl;\n\n const imageDataUrl = imageUrl ? 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