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0a79b2da1b
Makes LazyTransform writable by Streams1 by assigning .writable = true before the actual classes are loaded. Fixes: https://github.com/nodejs/node/issues/12269 PR-URL: https://github.com/nodejs/node/pull/12380 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net>
42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
// LazyTransform is a special type of Transform stream that is lazily loaded.
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// This is used for performance with bi-API-ship: when two APIs are available
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// for the stream, one conventional and one non-conventional.
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'use strict';
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const stream = require('stream');
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const util = require('util');
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module.exports = LazyTransform;
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function LazyTransform(options) {
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this._options = options;
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this.writable = true;
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this.readable = true;
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}
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util.inherits(LazyTransform, stream.Transform);
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[
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'_readableState',
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'_writableState',
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'_transformState'
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].forEach(function(prop, i, props) {
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Object.defineProperty(LazyTransform.prototype, prop, {
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get: function() {
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stream.Transform.call(this, this._options);
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this._writableState.decodeStrings = false;
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this._writableState.defaultEncoding = 'latin1';
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return this[prop];
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},
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set: function(val) {
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Object.defineProperty(this, prop, {
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value: val,
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enumerable: true,
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configurable: true,
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writable: true
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});
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},
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configurable: true,
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enumerable: true
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});
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});
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