mirror of
https://github.com/oven-sh/bun
synced 2026-02-15 21:32:05 +00:00
80 lines
3.6 KiB
TypeScript
80 lines
3.6 KiB
TypeScript
/*
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* Copyright (C) 2017 Canon Inc.
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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 CANON INC. AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL CANON INC. AND ITS CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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export function initializeReadableStreamBYOBReader(this, stream) {
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if (!$isReadableStream(stream)) throw new TypeError("ReadableStreamBYOBReader needs a ReadableStream");
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if (!$isReadableByteStreamController($getByIdDirectPrivate(stream, "readableStreamController")))
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throw new TypeError("ReadableStreamBYOBReader needs a ReadableByteStreamController");
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if ($isReadableStreamLocked(stream)) throw new TypeError("ReadableStream is locked");
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$readableStreamReaderGenericInitialize(this, stream);
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$putByIdDirectPrivate(this, "readIntoRequests", $createFIFO());
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return this;
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}
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export function cancel(this, reason) {
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if (!$isReadableStreamBYOBReader(this)) return Promise.$reject($ERR_INVALID_THIS("ReadableStreamBYOBReader"));
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if (!$getByIdDirectPrivate(this, "ownerReadableStream"))
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return Promise.$reject($ERR_INVALID_STATE_TypeError("The reader is not attached to a stream"));
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return $readableStreamReaderGenericCancel(this, reason);
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}
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export function read(this, view: DataView) {
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if (!$isReadableStreamBYOBReader(this)) return Promise.$reject($ERR_INVALID_THIS("ReadableStreamBYOBReader"));
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if (!$getByIdDirectPrivate(this, "ownerReadableStream"))
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return Promise.$reject($ERR_INVALID_STATE_TypeError("The reader is not attached to a stream"));
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if (!$isObject(view)) return Promise.$reject($ERR_INVALID_ARG_TYPE("view", "Buffer, TypedArray, or DataView", view));
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if (!ArrayBuffer.$isView(view))
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return Promise.$reject($ERR_INVALID_ARG_TYPE("view", "Buffer, TypedArray, or DataView", view));
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if (view.byteLength === 0) return Promise.$reject($makeTypeError("Provided view cannot have a 0 byteLength"));
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return $readableStreamBYOBReaderRead(this, view);
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}
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export function releaseLock(this) {
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if (!$isReadableStreamBYOBReader(this)) throw $ERR_INVALID_THIS("ReadableStreamBYOBReader");
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if (!$getByIdDirectPrivate(this, "ownerReadableStream")) return;
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if ($getByIdDirectPrivate(this, "readIntoRequests")?.isNotEmpty())
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throw new TypeError("There are still pending read requests, cannot release the lock");
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$readableStreamReaderGenericRelease(this);
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}
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$getter;
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export function closed(this) {
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if (!$isReadableStreamBYOBReader(this))
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return Promise.$reject($makeGetterTypeError("ReadableStreamBYOBReader", "closed"));
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return $getByIdDirectPrivate(this, "closedPromiseCapability").promise;
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}
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