options fix

src/Client.ts

@@ -19,8 +19,9 @@ class Client {
   declare interval: NodeJS.Timeout;
   constructor(key: string, options?: ClientOptions) {
     this.key = key;
-    this.parasOptions(options);
+    this.errors = new Errors();
     if (!this.key.length) throw new Error(this.errors.NO_API_KEY);
+    this.options = this.parasOptions(options);
     this.requests = new Requests(this);
     this.cacheHandler = new CacheHandler(this);
     this.updater = new Updater(this);
@@ -64,15 +65,17 @@ class Client {
     if (this.rateLimit.interval) clearInterval(this.rateLimit.interval);
   }
 
-  private parasOptions(options?: ClientOptions) {
-    this.options.cache = options?.cache ?? true;
-    this.options.cacheTime = options?.cacheTime ?? 300;
-    this.options.cacheMaxKeys = options?.cacheMaxKeys ?? -1;
-    this.options.cacheCheckPeriod = options?.cacheCheckPeriod ?? 180;
-    this.options.rateLimit = options?.rateLimit ?? 'AUTO';
-    this.options.silent = options?.silent ?? false;
-    this.options.checkForUpdates = options?.checkForUpdates ?? true;
-    this.options.checkForUpdatesInterval = options?.checkForUpdatesInterval ?? 60;
+  private parasOptions(options?: ClientOptions): ClientOptions {
+    return {
+      cache: options?.cache ?? true,
+      cacheTime: options?.cacheTime ?? 300,
+      cacheMaxKeys: options?.cacheMaxKeys ?? -1,
+      cacheCheckPeriod: options?.cacheCheckPeriod ?? 180,
+      rateLimit: options?.rateLimit ?? 'AUTO',
+      silent: options?.silent ?? false,
+      checkForUpdates: options?.checkForUpdates ?? true,
+      checkForUpdatesInterval: options?.checkForUpdatesInterval ?? 60
+    };
   }
 }