serializeValue

Callable

• serializeValue(value, contentType): { contentType: string; value: Buffer | ArrayBuffer | ArrayBufferView | string | NodeJS.ReadableStream | ReadableStream }

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• Canonical write path for key-value store records.

  When a content type is provided, the value passes through unchanged — it is the caller's responsibility to supply a String/Buffer/Stream (the frontend validates this).

  When no content type is provided, it is inferred from the value's shape:

  • Buffer / typed array / ArrayBuffer / stream → application/octet-stream (passthrough)
  • string → text/plain; charset=utf-8 (passthrough)
  • anything else → application/json; charset=utf-8 (serialized via jsonStringifyExtended)

  Does NOT drain streams — that is storage mechanics and stays in the storage backend.

  Backend-independent.

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  Parameters

  • value: unknown

  • optionalcontentType: string

  Returns { contentType: string; value: Buffer | ArrayBuffer | ArrayBufferView | string | NodeJS.ReadableStream | ReadableStream }

  • contentType: string

  • value: Buffer | ArrayBuffer | ArrayBufferView | string | NodeJS.ReadableStream | ReadableStream