130 lines
4.2 KiB
JavaScript
130 lines
4.2 KiB
JavaScript
/*
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* Copyright (C) 2020 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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function initializeWritableStreamDefaultWriter(stream)
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{
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"use strict";
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if (!@isWritableStream(stream))
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@throwTypeError("WritableStreamDefaultWriter constructor takes a WritableStream");
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@setUpWritableStreamDefaultWriter(this, stream);
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return this;
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}
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@getter
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function closed()
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{
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"use strict";
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if (!@isWritableStreamDefaultWriter(this))
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return @Promise.@reject(@makeGetterTypeError("WritableStreamDefaultWriter", "closed"));
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return @getByIdDirectPrivate(this, "closedPromise").@promise;
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}
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@getter
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function desiredSize()
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{
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"use strict";
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if (!@isWritableStreamDefaultWriter(this))
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throw @makeThisTypeError("WritableStreamDefaultWriter", "desiredSize");
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if (@getByIdDirectPrivate(this, "stream") === @undefined)
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@throwTypeError("WritableStreamDefaultWriter has no stream");
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return @writableStreamDefaultWriterGetDesiredSize(this);
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}
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@getter
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function ready()
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{
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"use strict";
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if (!@isWritableStreamDefaultWriter(this))
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return @Promise.@reject(@makeThisTypeError("WritableStreamDefaultWriter", "ready"));
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return @getByIdDirectPrivate(this, "readyPromise").@promise;
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}
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function abort(reason)
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{
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"use strict";
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if (!@isWritableStreamDefaultWriter(this))
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return @Promise.@reject(@makeThisTypeError("WritableStreamDefaultWriter", "abort"));
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if (@getByIdDirectPrivate(this, "stream") === @undefined)
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return @Promise.@reject(@makeTypeError("WritableStreamDefaultWriter has no stream"));
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return @writableStreamDefaultWriterAbort(this, reason);
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}
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function close()
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{
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"use strict";
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if (!@isWritableStreamDefaultWriter(this))
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return @Promise.@reject(@makeThisTypeError("WritableStreamDefaultWriter", "close"));
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const stream = @getByIdDirectPrivate(this, "stream");
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if (stream === @undefined)
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return @Promise.@reject(@makeTypeError("WritableStreamDefaultWriter has no stream"));
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if (@writableStreamCloseQueuedOrInFlight(stream))
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return @Promise.@reject(@makeTypeError("WritableStreamDefaultWriter is being closed"));
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return @writableStreamDefaultWriterClose(this);
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}
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function releaseLock()
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{
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"use strict";
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if (!@isWritableStreamDefaultWriter(this))
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throw @makeThisTypeError("WritableStreamDefaultWriter", "releaseLock");
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const stream = @getByIdDirectPrivate(this, "stream");
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if (stream === @undefined)
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return;
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@assert(@getByIdDirectPrivate(stream, "writer") !== @undefined);
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@writableStreamDefaultWriterRelease(this);
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}
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function write(chunk)
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{
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"use strict";
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if (!@isWritableStreamDefaultWriter(this))
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return @Promise.@reject(@makeThisTypeError("WritableStreamDefaultWriter", "write"));
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if (@getByIdDirectPrivate(this, "stream") === @undefined)
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return @Promise.@reject(@makeTypeError("WritableStreamDefaultWriter has no stream"));
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return @writableStreamDefaultWriterWrite(this, chunk);
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}
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