crypto: fixes performance regression

ronag · ronag · commit 81e6995cf172 · 2020-02-11T18:37:39.000+01:00
e559842 made writable/readable computed with a legacy mode if the properties are written to. LazyTransform still unecessarily wrote to these properties causing a performance regression. Fixes: #31739
diff --git a/lib/internal/streams/lazy_transform.js b/lib/internal/streams/lazy_transform.js
@@ -19,8 +19,6 @@ module.exports = LazyTransform;
 
 function LazyTransform(options) {
   this._options = options;
-  this.writable = true;
-  this.readable = true;
 }
 ObjectSetPrototypeOf(LazyTransform.prototype, stream.Transform.prototype);
 ObjectSetPrototypeOf(LazyTransform, stream.Transform);

Original file line number	Diff line number	Diff line change
`@@ -19,8 +19,6 @@ module.exports = LazyTransform;`
`19`	`19`
`20`	`20`	`function LazyTransform(options) {`
`21`	`21`	`this._options = options;`
`22`		`- this.writable = true;`
`23`		`- this.readable = true;`
`24`	`22`	`}`
`25`	`23`	`ObjectSetPrototypeOf(LazyTransform.prototype, stream.Transform.prototype);`
`26`	`24`	`ObjectSetPrototypeOf(LazyTransform, stream.Transform);`