PRO

Effect Chunked Upload Integrity

Resumable chunked upload with per-chunk and whole-object checksums. Sending a large file as one stream lets a single flipped byte produce a silently wrong object the server stores as fine; per-chunk checksums catch corruption at the boundary and reject that chunk for re-send instead of poisoning the whole upload. Tracking which chunks are verified lets a connection lost at 95% resume by sending only the missing ones, and a final whole-object digest proves the reassembled file matches what the client meant to send. Accepting a chunk recomputes and compares its checksum in one Ref.modify, so a re-sent chunk is idempotent and a corrupt one is a typed ChecksumMismatch. The demo rejects a corrupt chunk, resumes after a drop, and refuses a whole-object mismatch. Pinned to effect 4.0.0-beta.98.

Install
npx shadcn@latest add @compronents/effect-chunked-upload-integrity

Installs from ui.aryank.space. Needs a registry token and a one-time @compronents entry in components.json. The docs walk through both.

Visualization
transfer
upload 100MB
ReadableStream<Uint8Array>
PUT wholeFile // one flipped byte, silent corruption

Sending a large file as one stream lets a single flipped byte produce a silently wrong object the server stores as fine, and a connection lost at 95% throws away all the good work.

Files
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Dependencies