mirror of
https://github.com/oven-sh/bun
synced 2026-02-15 05:12:29 +00:00
84 lines
3.3 KiB
TypeScript
84 lines
3.3 KiB
TypeScript
/*
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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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*
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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 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 APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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export function initializeTextEncoderStream() {
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const startAlgorithm = () => {
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return Promise.$resolve();
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};
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const transformAlgorithm = chunk => {
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const encoder = $getByIdDirectPrivate(this, "textEncoderStreamEncoder");
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try {
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var buffer = encoder.encode(chunk);
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} catch (e) {
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return Promise.$reject(e);
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}
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if (buffer.length) {
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const transformStream = $getByIdDirectPrivate(this, "textEncoderStreamTransform");
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const controller = $getByIdDirectPrivate(transformStream, "controller");
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$transformStreamDefaultControllerEnqueue(controller, buffer);
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}
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return Promise.$resolve();
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};
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const flushAlgorithm = () => {
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const encoder = $getByIdDirectPrivate(this, "textEncoderStreamEncoder");
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const buffer = encoder.flush();
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if (buffer.length) {
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const transformStream = $getByIdDirectPrivate(this, "textEncoderStreamTransform");
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const controller = $getByIdDirectPrivate(transformStream, "controller");
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$transformStreamDefaultControllerEnqueue(controller, buffer);
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}
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return Promise.$resolve();
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};
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const transform = $createTransformStream(startAlgorithm, transformAlgorithm, flushAlgorithm);
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$putByIdDirectPrivate(this, "textEncoderStreamTransform", transform);
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$putByIdDirectPrivate(this, "textEncoderStreamEncoder", new $TextEncoderStreamEncoder());
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return this;
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}
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$getter;
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export function encoding() {
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if (!$getByIdDirectPrivate(this, "textEncoderStreamTransform")) throw $ERR_INVALID_THIS("TextEncoderStream");
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return "utf-8";
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}
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$getter;
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export function readable() {
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const transform = $getByIdDirectPrivate(this, "textEncoderStreamTransform");
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if (!transform) throw $ERR_INVALID_THIS("TextEncoderStream");
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return $getByIdDirectPrivate(transform, "readable");
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}
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$getter;
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export function writable() {
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const transform = $getByIdDirectPrivate(this, "textEncoderStreamTransform");
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if (!transform) throw $ERR_INVALID_THIS("TextEncoderStream");
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return $getByIdDirectPrivate(transform, "writable");
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}
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