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lib/internal/streams/lazy_transform.js
57 строк
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Tobias Nießen
crypto: do not overwrite _writableState.defaultEncoding
27 авг 2023, 17:12
Не верифицирован
27 авг 2023, 17:12
5a07777
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// LazyTransform is a special type of Transform stream that is lazily loaded. // This is used for performance with bi-API-ship: when two APIs are available // for the stream, one conventional and one non-conventional. 'use strict'; const { ObjectDefineProperties, ObjectDefineProperty, ObjectSetPrototypeOf, } = primordials; const stream = require('stream'); module.exports = LazyTransform; function LazyTransform(options) { this._options = options; } ObjectSetPrototypeOf(LazyTransform.prototype, stream.Transform.prototype); ObjectSetPrototypeOf(LazyTransform, stream.Transform); function makeGetter(name) { return function() { stream.Transform.call(this, this._options); this._writableState.decodeStrings = false; return this[name]; }; } function makeSetter(name) { return function(val) { ObjectDefineProperty(this, name, { __proto__: null, value: val, enumerable: true, configurable: true, writable: true, }); }; } ObjectDefineProperties(LazyTransform.prototype, { _readableState: { __proto__: null, get: makeGetter('_readableState'), set: makeSetter('_readableState'), configurable: true, enumerable: true, }, _writableState: { __proto__: null, get: makeGetter('_writableState'), set: makeSetter('_writableState'), configurable: true, enumerable: true, }, });