Function readableStreamHasBYOBReader

lib/internal/webstreams/readablestream.js:2241–2251

(stream)

}

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

  if (reader === undefined)
    return false;

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

function readableStreamGetNumReadIntoRequests(stream) {
  assert(readableStreamHasBYOBReader(stream));