')\n .replace(/\\n/g, '
')\n .replace(/^/, '

')\n .replace(/$/, '

');\n}\n\n/**\n * Truncate HTML content for descriptions\n */\nexport function truncateHTML(html: string, maxLength: number = 200): string {\n // Strip HTML tags for truncation measurement, but preserve spaces\n const text = html.replace(/<[^>]*>/g, ' ').replace(/\\s+/g, ' ').trim();\n if (text.length <= maxLength) return text;\n \n return text.substring(0, maxLength).trim() + '...';\n}\n\n/**\n * Format date for RSS\n */\nexport function formatRSSDate(date: Date): string {\n return date.toUTCString();\n}\n\n/**\n * Format date for ActivityPub\n */\nexport function formatActivityPubDate(date: Date): string {\n return date.toISOString();\n}\n\n/**\n * Check if we're running in development mode\n * Development mode is enabled when:\n * 1. NODE_ENV is set to 'development', OR\n * 2. DEV_MODE is set to 'true', OR\n * 3. ENABLE_TEST_ENDPOINTS is set to 'true'\n */\nexport function isDevelopmentMode(): boolean {\n // Check if we're in a browser environment (shared code)\n if (typeof Deno === 'undefined') {\n return false; // Default to production in browser\n }\n \n const nodeEnv = Deno.env.get('NODE_ENV')?.toLowerCase();\n const devMode = Deno.env.get('DEV_MODE')?.toLowerCase();\n const enableTests = Deno.env.get('ENABLE_TEST_ENDPOINTS')?.toLowerCase();\n \n return nodeEnv === 'development' || \n devMode === 'true' || \n enableTests === 'true';\n}\n\n/**\n * Create a development-only response wrapper\n * Returns 404 in production, executes handler in development\n */\nexport function devOnly(handler: () => T | Promise): T | Promise {\n if (!isDevelopmentMode()) {\n return new Response('Not Found', { \n status: 404,\n headers: { 'Content-Type': 'text/plain' }\n }) as any;\n }\n \n return handler();\n}","deleted","label",[170,153],"shared","permalink","https://www.val.town/x/kerryrm/postherous/code/shared/utils.ts","extension","actionData","errors"]