fixup! lib,src: implement QuotaExceededError as DOMException-derived interface

Author: panva

lib/internal/per_context/domexception.js

@@ -207,10 +207,11 @@ for (const { 0: name, 1: codeName, 2: value } of [
 
 exports.DOMException = DOMException;
 
-const quotaExceededInternalsMap = new SafeWeakMap();
-
 // https://webidl.spec.whatwg.org/#quotaexceedederror
 class QuotaExceededError extends DOMException {
+  #quota;
+  #requested;
+
   constructor(message = '', options = { __proto__: null }) {
     super(message, 'QuotaExceededError');
     this[transfer_mode_private_symbol] = kCloneable;
@@ -253,40 +254,36 @@ class QuotaExceededError extends DOMException {
       throw new RangeError('options.requested must not be less than options.quota');
     }
 
-    quotaExceededInternalsMap.set(this, { quota, requested });
+    this.#quota = quota;
+    this.#requested = requested;
   }
 
   [messaging_clone_symbol]() {
     const domExceptionClone = DOMExceptionPrototype[messaging_clone_symbol].call(this);
-    const { quota, requested } = quotaExceededInternalsMap.get(this);
-    domExceptionClone.data.quota = quota;
-    domExceptionClone.data.requested = requested;
+    domExceptionClone.data.quota = this.#quota;
+    domExceptionClone.data.requested = this.#requested;
     domExceptionClone.deserializeInfo = 'internal/worker/clone_dom_exception:QuotaExceededError';
     return domExceptionClone;
   }
 
   [messaging_deserialize_symbol](data) {
     DOMExceptionPrototype[messaging_deserialize_symbol].call(this, data);
-    quotaExceededInternalsMap.set(this, {
-      quota: data.quota,
-      requested: data.requested,
-    });
+    this.#quota = data.quota;
+    this.#requested = data.requested;
   }
 
   get quota() {
-    const internals = quotaExceededInternalsMap.get(this);
-    if (internals === undefined) {
+    if (!(#quota in this)) {
       throwInvalidThisError(TypeError, 'QuotaExceededError');
     }
-    return internals.quota;
+    return this.#quota;
   }
 
   get requested() {
-    const internals = quotaExceededInternalsMap.get(this);
-    if (internals === undefined) {
+    if (!(#requested in this)) {
       throwInvalidThisError(TypeError, 'QuotaExceededError');
     }
-    return internals.requested;
+    return this.#requested;
   }
 }