Function encodeProtocolMessage

packages/runtime-host/src/protocol/index.ts:341–350

(value: ClientFrame | HostFrame)

}

export function encodeProtocolMessage(value: ClientFrame | HostFrame): EncodedProtocolMessage {
  const encoded = Buffer.from(JSON.stringify(value), 'utf8');
  if (encoded.byteLength > RUNTIME_HOST_MAX_MESSAGE_BYTES) {
    throw new RuntimeHostProtocolError(
      'frame_too_large',
      'Runtime Host message exceeds the byte limit',
    );
  }
  return encoded as EncodedProtocolMessage;
}

function requireProtocolVersion(value: unknown, label: string): number {
  if (!Number.isSafeInteger(value) || (value as number) < 0) {