mirror of https://github.com/nodejs/node.git
86 lines
2.8 KiB
JavaScript
86 lines
2.8 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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const {
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ObjectDefineProperty,
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} = primordials;
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const {
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promisify: { custom: customPromisify },
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} = require('internal/util');
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const pipeline = require('internal/streams/pipeline');
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const eos = require('internal/streams/end-of-stream');
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const internalBuffer = require('internal/buffer');
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// Lazy loaded
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let promises = null;
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const Stream = module.exports = require('internal/streams/legacy').Stream;
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Stream.Readable = require('internal/streams/readable');
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Stream.Writable = require('internal/streams/writable');
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Stream.Duplex = require('internal/streams/duplex');
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Stream.Transform = require('internal/streams/transform');
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Stream.PassThrough = require('internal/streams/passthrough');
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Stream.pipeline = pipeline;
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const { addAbortSignal } = require('internal/streams/add-abort-signal');
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Stream.addAbortSignal = addAbortSignal;
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Stream.finished = eos;
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function lazyLoadPromises() {
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if (promises === null) promises = require('stream/promises');
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return promises;
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}
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ObjectDefineProperty(Stream, 'promises', {
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configurable: true,
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enumerable: true,
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get() {
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return lazyLoadPromises();
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}
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});
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ObjectDefineProperty(pipeline, customPromisify, {
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enumerable: true,
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get() {
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return lazyLoadPromises().pipeline;
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}
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});
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ObjectDefineProperty(eos, customPromisify, {
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enumerable: true,
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get() {
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return lazyLoadPromises().finished;
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}
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});
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// Backwards-compat with node 0.4.x
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Stream.Stream = Stream;
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Stream._isUint8Array = require('internal/util/types').isUint8Array;
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Stream._uint8ArrayToBuffer = function _uint8ArrayToBuffer(chunk) {
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return new internalBuffer.FastBuffer(chunk.buffer,
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chunk.byteOffset,
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chunk.byteLength);
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};
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