Function createReadableStream

lib/internal/webstreams/readablestream.js:1342–1348

(start, pull, cancel, highWaterMark = 1, size = defaultSizeAlgorithm)

ObjectSetPrototypeOf(InternalReadableStream, ReadableStream);

function createReadableStream(start, pull, cancel, highWaterMark = 1, size = defaultSizeAlgorithm) {
  const stream = new InternalReadableStream(start, pull, cancel, highWaterMark, size);

  // For spec compliance the InternalReadableStream must be a ReadableStream
  stream.constructor = ReadableStream;
  return stream;
}

function InternalReadableByteStream(start, pull, cancel) {
  ObjectSetPrototypeOf(this, ReadableStream.prototype);