Function readableStreamHasDefaultReader

lib/internal/webstreams/readablestream.js:2224–2234

(stream)

}

function readableStreamHasDefaultReader(stream) {
  const {
    reader,
  } = stream[kState];

  if (reader === undefined)
    return false;

  return reader[kState] !== undefined &&
         reader[kType] === 'ReadableStreamDefaultReader';
}

function readableStreamGetNumReadRequests(stream) {
  assert(readableStreamHasDefaultReader(stream));