Backend - XMP Conversion API

This directory contains the Hono-based API server for XMP file conversion.

• index.ts - Main Hono application with API endpoints

Serves the main web interface by reading and returning the frontend HTML.

Converts uploaded XMP files to Lightroom configuration format.

Request:

• Content-Type: multipart/form-data
• Body: Form data with xmpFile field containing the XMP file

Response:

{
  "success": true,
  "config": "LIGHTROOM_GLOBAL_EXPOSURE=0.000000\n..."
}

Error Response:

{
  "success": false,
  "error": "Error message"
}

Health check endpoint that returns server status and timestamp.

The backend serves static files from the frontend and shared directories using Val Town's utility functions:

• /frontend/* - Frontend assets
• /shared/* - Shared TypeScript modules

• Validates file uploads (XMP files only)
• Handles parsing errors gracefully
• Returns appropriate HTTP status codes
• Logs errors for debugging