NestJS FormData Handling

nestjs-form-data provides an object-oriented approach to managing `multipart/form-data` requests in NestJS, specifically designed for file uploads and form field serialization. Unlike the built-in Multer integration, it allows files to be treated as first-class properties within Data Transfer Objects (DTOs), enabling declarative validation with `class-validator` and `class-transformer`. The current stable version is `11.0.1`, with active development indicated by recent major releases addressing features, fixes, and security concerns. Key differentiators include automatic cleanup of temporary files, pluggable storage options (memory, file system, or custom), reliable MIME type detection using magic numbers, and full support for nested objects in form data. It is compatible with NestJS versions 7 through 11 and supports both Express and Fastify platforms.