| /* |
| * 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. |
| */ |
| |
| |
| function initializeWritableStreamDefaultController() |
| { |
| "use strict"; |
| |
| @putByIdDirectPrivate(this, "queue", @newQueue()); |
| @putByIdDirectPrivate(this, "abortSteps", (reason) => { |
| const result = @getByIdDirectPrivate(this, "abortAlgorithm").@call(@undefined, reason); |
| @writableStreamDefaultControllerClearAlgorithms(this); |
| return result; |
| }); |
| |
| @putByIdDirectPrivate(this, "errorSteps", () => { |
| @resetQueue(@getByIdDirectPrivate(this, "queue")); |
| }); |
| |
| return this; |
| } |
| |
| function error(e) |
| { |
| "use strict"; |
| |
| if (@getByIdDirectPrivate(this, "abortSteps") === @undefined) |
| throw @makeThisTypeError("WritableStreamDefaultController", "error"); |
| |
| const stream = @getByIdDirectPrivate(this, "stream"); |
| if (@getByIdDirectPrivate(stream, "state") !== "writable") |
| return; |
| @writableStreamDefaultControllerError(this, e); |
| } |