Function validateBody

lib/internal/quic/quic.js:1221–1260

(body)

}

function validateBody(body) {
  if (body === undefined) return body;
  // ArrayBuffers, SharedArrayBuffers, and ArrayBufferViews are passed
  // through to the C++ layer which copies the bytes into its own
  // BackingStore. Callers can therefore safely reuse or mutate their
  // input buffers after the call returns. Callers that want to ensure
  // their buffer cannot be mutated after handing it off (for example,
  // when sharing the source with another async consumer) can call
  // ArrayBuffer.prototype.transfer() themselves before passing the
  // buffer.
  if (isArrayBuffer(body) ||
      isSharedArrayBuffer(body) ||
      isArrayBufferView(body)) {
    return body;
  }
  if (isBlob(body)) return body[kBlobHandle];

  // Strings are encoded as UTF-8.
  if (typeof body === 'string') {
    return Buffer.from(body, 'utf8');
  }

  // FileHandle -- lock it and pass the C++ handle to GetDataQueueFromSource
  // which creates an fd-backed DataQueue entry from the file path.
  if (FileHandle.isFileHandle(body)) {
    if (body[kFileLocked]) {
      throw new ERR_INVALID_STATE('FileHandle is locked');
    }
    body[kFileLocked] = true;
    return body[kFileHandle];
  }

  throw new ERR_INVALID_ARG_TYPE('options.body', [
    'string',
    'ArrayBuffer',
    'ArrayBufferView',
    'Blob',
    'FileHandle',
  ], body);
}

/**
 * Parses an alternating [name, value, name, value, ...] array from C++