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path: root/src/js/builtins/ReadableStreamDefaultController.ts
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/*
 * Copyright (C) 2015 Canon Inc.
 *
 * 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. ``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
 * 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 initializeReadableStreamDefaultController(this, stream, underlyingSource, size, highWaterMark) {
  if (arguments.length !== 5 && arguments[4] !== $isReadableStream)
    throw new TypeError("ReadableStreamDefaultController constructor should not be called directly");

  return $privateInitializeReadableStreamDefaultController.$call(this, stream, underlyingSource, size, highWaterMark);
}

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

  if (!$readableStreamDefaultControllerCanCloseOrEnqueue(this))
    throw new TypeError("ReadableStreamDefaultController is not in a state where chunk can be enqueued");

  return $readableStreamDefaultControllerEnqueue(this, chunk);
}

export function error(this, err) {
  if (!$isReadableStreamDefaultController(this)) throw $makeThisTypeError("ReadableStreamDefaultController", "error");

  $readableStreamDefaultControllerError(this, err);
}

export function close(this) {
  if (!$isReadableStreamDefaultController(this)) throw $makeThisTypeError("ReadableStreamDefaultController", "close");

  if (!$readableStreamDefaultControllerCanCloseOrEnqueue(this))
    throw new TypeError("ReadableStreamDefaultController is not in a state where it can be closed");

  $readableStreamDefaultControllerClose(this);
}

$getter;
export function desiredSize(this) {
  if (!$isReadableStreamDefaultController(this))
    throw $makeGetterTypeError("ReadableStreamDefaultController", "desiredSize");

  return $readableStreamDefaultControllerGetDesiredSize(this);
}
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