fix: alexmarqs#15

Lordfirespeed · Nov 1, 2024 · 244d3be · 244d3be
1 parent a82c9cc
commit 244d3be
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/src/lib/adapters/utils.ts b/src/lib/adapters/utils.ts
@@ -46,6 +46,9 @@ export function deepMerge(target: any, ...sources: any[]) {
   return deepMerge(target, ...sources);
 }
 
-export function isMergeableObject(item: any) {
-  return item && typeof item === "object" && !Array.isArray(item);
+export function isMergeableObject(item: unknown): item is Record<string, unknown> {
+  if (!item) return false
+  if (typeof item !== "object") return false
+  // ES6 class instances, Maps, Sets, Arrays, etc. are not considered mergeable 
+  return Object.getPrototypeOf(item) === Object.prototype
 }