fix(delay): prevent infinite mode from throwing

Author: kettanaito

src/core/utils/internal/hasRefCounted.ts

@@ -1,7 +1,14 @@
+import { isObject } from './isObject'
+
 export function hasRefCounted<T extends object>(
   value: T,
 ): value is T & NodeJS.RefCounted {
   return (
+    /**
+     * @note Guard against non-object values.
+     * E.g. `setTimeout` returns an object in Node.js but a number in the browser.
+     */
+    isObject(value) &&
     typeof Reflect.get(value, 'ref') === 'function' &&
     typeof Reflect.get(value, 'unref') === 'function'
   )