lib: improve AbortController creation duration

anonrig · ruyadorno · commit 5745bcbb4177 · 2022-11-24T11:46:22.000-05:00
PR-URL: #45525 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
diff --git a/lib/internal/abort_controller.js b/lib/internal/abort_controller.js
@@ -309,20 +309,21 @@ function abortSignal(signal, reason){
 }
 
 class AbortController{
- #signal = createAbortSignal();
+ #signal;
 
 /**
 * @type{AbortSignal}
 */
 get signal(){
+ this.#signal ??= createAbortSignal();
 return this.#signal;
 }
 
 /**
 * @param{any} reason
 */
 abort(reason = new DOMException('This operation was aborted', 'AbortError')){
- abortSignal(this.#signal, reason);
+ abortSignal(this.#signal ??= createAbortSignal(), reason);
 }
 
 [customInspectSymbol](depth, options){

-Original file line number
+Diff line change
+}
 classAbortController{
 - #signal=createAbortSignal();
 + #signal;
 /**
  * @type{AbortSignal}
  */
 getsignal(){
 +this.#signal ??=createAbortSignal();
 returnthis.#signal;
+}
 /**
  * @param{any} reason
  */
 abort(reason=newDOMException('This operation was aborted','AbortError')){
 -abortSignal(this.#signal,reason);
 +abortSignal(this.#signal??=createAbortSignal(),reason);
+}
 [customInspectSymbol](depth,options){