function _isHandlerStreaming()

in src/UserFunction.js [238:254]

• 16 lines of code
• 5 McCabe index (conditional complexity)

function _isHandlerStreaming(handler) {
  if (
    typeof handler[HANDLER_STREAMING] === 'undefined' ||
    handler[HANDLER_STREAMING] === null ||
    handler[HANDLER_STREAMING] === false
  ) {
    return false;
  }

  if (handler[HANDLER_STREAMING] === STREAM_RESPONSE) {
    return STREAM_RESPONSE;
  } else {
    throw new MalformedStreamingHandler(
      'Only response streaming is supported.',
    );
  }
}