feat: remove in class and add to Utils getCircularReplacer(), ref: ht…

…tps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Cyclic_object_value

src/Utils.ts

@@ -56,3 +56,22 @@ export function mergeDefault<T extends Record<string, any>>(def: T, given: T): R
 export function wait(ms: number): Promise<void> {
 	return new Promise(resolve => setTimeout(resolve, ms));
 }
+
+
+export function getCircularReplacer(): (key: string, value: any) => any {
+	const ancestors: any[] = [];
+	return function (this: any, key: string, value: any): any {
+	  if (typeof value !== "object" || value === null) {
+		return value;
+	  }
+	  while (ancestors.length > 0 && ancestors.at(-1) !== this) {
+		ancestors.pop();
+	  }
+	  if (ancestors.includes(value)) {
+		return "[Circular]";
+	  }
+	  ancestors.push(value);
+	  return value;
+	};
+  }
+

src/node/Rest.ts

@@ -2,6 +2,7 @@
 import { Versions } from '../Constants';
 import { FilterOptions } from '../guild/Player';
 import { NodeOption } from '../Shoukaku';
+import { getCircularReplacer } from '../Utils';
 import { Node, NodeInfo, Stats } from './Node';
 
 export type Severity = 'common' | 'suspicious' | 'fault';
@@ -379,7 +380,7 @@ export class Rest {
 		};
 
 		if (!['GET', 'HEAD'].includes(method) && options.body)
-			finalFetchOptions.body = JSON.stringify(options.body, this.removeCircularReferences());
+			finalFetchOptions.body = JSON.stringify(options.body, getCircularReplacer());
 
 		const request = await fetch(url.toString(), finalFetchOptions)
 			.finally(() => clearTimeout(timeout));
@@ -402,18 +403,6 @@ export class Rest {
 			return;
 		}
 	}
-	private removeCircularReferences() {
-		const seen = new WeakSet();
-		return (key: string, value: unknown) => {
-			if (typeof value === "object" && value !== null) {
-				if (seen.has(value)) {
-					return; // Skip circular reference
-				}
-				seen.add(value);
-			}
-			return value;
-		};
-	}
 }
 
 interface LavalinkRestError {