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path: root/src/js/builtins/TransformStreamDefaultController.ts
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/*
 * Copyright (C) 2020 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

export function initializeTransformStreamDefaultController(this) {
  return this;
}

$getter;
export function desiredSize(this) {
  if (!$isTransformStreamDefaultController(this))
    throw $makeThisTypeError("TransformStreamDefaultController", "enqueue");

  const stream = $getByIdDirectPrivate(this, "stream");
  const readable = $getByIdDirectPrivate(stream, "readable");
  const readableController = $getByIdDirectPrivate(readable, "readableStreamController");

  return $readableStreamDefaultControllerGetDesiredSize(readableController);
}

export function enqueue(this, chunk) {
  if (!$isTransformStreamDefaultController(this))
    throw $makeThisTypeError("TransformStreamDefaultController", "enqueue");

  $transformStreamDefaultControllerEnqueue(this, chunk);
}

export function error(this, e) {
  if (!$isTransformStreamDefaultController(this)) throw $makeThisTypeError("TransformStreamDefaultController", "error");

  $transformStreamDefaultControllerError(this, e);
}

export function terminate(this) {
  if (!$isTransformStreamDefaultController(this))
    throw $makeThisTypeError("TransformStreamDefaultController", "terminate");

  $transformStreamDefaultControllerTerminate(this);
}