Doc Agent

import { extname } from 'node:path'; /** * MIME type mappings for supported file extensions */ const MIME_TYPES: Record<string, string> = { '.pdf': 'application/pdf', '.png': 'image/png', '.jpg': 'image/jpeg', '.jpeg': 'image/jpeg', '.gif': 'image/gif', '.webp': 'image/webp', }; /** * Detect MIME type from file extension * Defaults to 'application/pdf' for unknown extensions */ export function getMimeType(filePath: string): string { const ext = extname(filePath).toLowerCase(); return MIME_TYPES[ext] || 'application/pdf'; }