chromium/src/third_party/blink/renderer/modules/webtransport/web_transport.idl

// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// https://wicg.github.io/web-transport/#web-transport
[
    ActiveScriptWrappable,
    Exposed=(Window,Worker),
    RuntimeEnabled=QuicTransport
] interface WebTransport {
  [CallWith=ScriptState, RaisesException, MeasureAs=WebTransport] constructor(USVString url, optional QuicTransportOptions options = {});
  [CallWith=ScriptState, RaisesException] Promise<SendStream>
      createUnidirectionalStream();
  readonly attribute ReadableStream incomingUnidirectionalStreams;

  [CallWith=ScriptState, RaisesException] Promise<BidirectionalStream>
      createBidirectionalStream();
  readonly attribute ReadableStream incomingBidirectionalStreams;

  readonly attribute WritableStream datagramWritable;
  readonly attribute ReadableStream datagramReadable;

  void close(optional WebTransportCloseInfo closeInfo = {});
  readonly attribute Promise<void> ready;
  readonly attribute Promise<WebTransportCloseInfo> closed;

  // This is an experimental and non-standard function. Sets the duration
  // which determines whether an outgoing datagram should be discarded due to
  // being in the queue for too long, in milliseconds.
  void setDatagramWritableQueueExpirationDuration(double ms);
};