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#ServerMultipartProvider

#Import

typescript 
1import { ServerMultipartProvider } from "alepha/server";

#Overview

Parses multipart/form-data request bodies into route handler input.

This provider buffers. It reads the entire request body into memory via request.formData() before the handler runs, and each file field is handed to the handler as an in-memory, Blob-backed FileLike. It does not stream uploads to the storage layer — by the time bucket.upload runs, the bytes are already fully in RAM.

This is a deliberate trade-off, kept safe by the multipartOptions limits (default 5 MB/file, 10 MB total, 10 files): the framework targets small uploads (avatars, attachments, documents), so buffering keeps validation simple and exact (blob.size is known up front) without a streaming multipart parser. If you need large-file uploads, raise those limits only alongside a streaming parser — buffering 100 MB per request will exhaust memory (and blow the Workers memory ceiling).