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df0716921e
Add ability to subclass `stream.Duplex` without inheriting the "no-half-open enforcer" regardless of the value of the `allowHalfOpen` option. PR-URL: https://github.com/nodejs/node/pull/18974 Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Chen Gang <gangc.cxy@foxmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
31 lines
742 B
JavaScript
31 lines
742 B
JavaScript
'use strict';
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const util = require('util');
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const Readable = require('_stream_readable');
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const Writable = require('_stream_writable');
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function DuplexBase(options) {
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Readable.call(this, options);
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Writable.call(this, options);
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if (options && options.readable === false)
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this.readable = false;
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if (options && options.writable === false)
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this.writable = false;
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}
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util.inherits(DuplexBase, Readable);
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{
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// Avoid scope creep, the keys array can then be collected.
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const keys = Object.keys(Writable.prototype);
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for (var v = 0; v < keys.length; v++) {
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const method = keys[v];
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if (!DuplexBase.prototype[method])
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DuplexBase.prototype[method] = Writable.prototype[method];
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}
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}
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module.exports = DuplexBase;
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