lib: improve transferable abort controller exec

PR-URL: nodejs#45525
Reviewed-By: Matteo Collina <[email protected]>
Reviewed-By: Antoine du Hamel <[email protected]>

Author: anonrig

lib/internal/abort_controller.js

@@ -318,27 +318,21 @@ function validateAbortController(obj) {
 }
 
 class AbortController {
-  #signal;
-
-  constructor() {
-    this[kSignal] = createAbortSignal();
-  }
-
   /**
    * @type {AbortSignal}
    */
   get signal() {
     validateAbortController(this);
-    this.#signal ??= createAbortSignal();
-    return this.#signal;
+    this[kSignal] ??= createAbortSignal();
+    return this[kSignal];
   }
 
   /**
    * @param {any} reason
    */
   abort(reason = new DOMException('This operation was aborted', 'AbortError')) {
     validateAbortController(this);
-    abortSignal(this.#signal ??= createAbortSignal(), reason);
+    abortSignal(this[kSignal] ??= createAbortSignal(), reason);
   }
 
   [customInspectSymbol](depth, options) {
@@ -349,7 +343,7 @@ class AbortController {
 
   static [kMakeTransferable]() {
     const controller = new AbortController();
-    controller[kSignal] = transferableAbortSignal(controller[kSignal]);
+    controller[kSignal] = createAbortSignal({ transferable: true });
     return controller;
   }
 }