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//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
const {
ObjectDefineProperty,
ObjectKeys,
ReflectApply,
} = primordials;
const {
promisify: { custom: customPromisify },
} = require('internal/util');
const {
streamReturningOperators,
promiseReturningOperators,
} = require('internal/streams/operators');
const {
codes: {
ERR_ILLEGAL_CONSTRUCTOR,
},
} = require('internal/errors');
const compose = require('internal/streams/compose');
const { pipeline } = require('internal/streams/pipeline');
const { destroyer } = require('internal/streams/destroy');
const eos = require('internal/streams/end-of-stream');
const internalBuffer = require('internal/buffer');
const promises = require('stream/promises');
const utils = require('internal/streams/utils');
const Stream = module.exports = require('internal/streams/legacy').Stream;
Stream.isDisturbed = utils.isDisturbed;
Stream.isErrored = utils.isErrored;
Stream.isReadable = utils.isReadable;
Stream.Readable = require('internal/streams/readable');
for (const key of ObjectKeys(streamReturningOperators)) {
const op = streamReturningOperators[key];
function fn(...args) {
if (new.target) {
throw ERR_ILLEGAL_CONSTRUCTOR();
}
return Stream.Readable.from(ReflectApply(op, this, args));
}
ObjectDefineProperty(fn, 'name', { __proto__: null, value: op.name });
ObjectDefineProperty(fn, 'length', { __proto__: null, value: op.length });
ObjectDefineProperty(Stream.Readable.prototype, key, {
__proto__: null,
value: fn,
enumerable: false,
configurable: true,
writable: true,
});
}
for (const key of ObjectKeys(promiseReturningOperators)) {
const op = promiseReturningOperators[key];
function fn(...args) {
if (new.target) {
throw ERR_ILLEGAL_CONSTRUCTOR();
}
return ReflectApply(op, this, args);
}
ObjectDefineProperty(fn, 'name', { __proto__: null, value: op.name });
ObjectDefineProperty(fn, 'length', { __proto__: null, value: op.length });
ObjectDefineProperty(Stream.Readable.prototype, key, {
__proto__: null,
value: fn,
enumerable: false,
configurable: true,
writable: true,
});
}
Stream.Writable = require('internal/streams/writable');
Stream.Duplex = require('internal/streams/duplex');
Stream.Transform = require('internal/streams/transform');
Stream.PassThrough = require('internal/streams/passthrough');
Stream.pipeline = pipeline;
const { addAbortSignal } = require('internal/streams/add-abort-signal');
Stream.addAbortSignal = addAbortSignal;
Stream.finished = eos;
Stream.destroy = destroyer;
Stream.compose = compose;
ObjectDefineProperty(Stream, 'promises', {
__proto__: null,
configurable: true,
enumerable: true,
get() {
return promises;
}
});
ObjectDefineProperty(pipeline, customPromisify, {
__proto__: null,
enumerable: true,
get() {
return promises.pipeline;
}
});
ObjectDefineProperty(eos, customPromisify, {
__proto__: null,
enumerable: true,
get() {
return promises.finished;
}
});
// Backwards-compat with node 0.4.x
Stream.Stream = Stream;
Stream._isUint8Array = require('internal/util/types').isUint8Array;
Stream._uint8ArrayToBuffer = function _uint8ArrayToBuffer(chunk) {
return new internalBuffer.FastBuffer(chunk.buffer,
chunk.byteOffset,
chunk.byteLength);
};
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