fix(query-core): replaceEqualDeep max depth

Sheraff · Sheraff · commit 367c2c44b9af · 2026-01-13T17:36:28.000+01:00
diff --git a/packages/query-core/src/utils.ts b/packages/query-core/src/utils.ts
@@ -264,12 +264,14 @@ const hasOwn = Object.prototype.hasOwnProperty
  * If not, it will replace any deeply equal children of `b` with those of `a`.
  * This can be used for structural sharing between JSON values for example.
  */
-export function replaceEqualDeep<T>(a: unknown, b: T): T
-export function replaceEqualDeep(a: any, b: any): any {
+export function replaceEqualDeep<T>(a: unknown, b: T, depth?: number): T
+export function replaceEqualDeep(a: any, b: any, depth = 0): any {
   if (a === b) {
     return a
   }
 
+  if (depth > 500) return b
+
   const array = isPlainArray(a) && isPlainArray(b)
 
   if (!array && !(isPlainObject(a) && isPlainObject(b))) return b
@@ -303,7 +305,7 @@ export function replaceEqualDeep(a: any, b: any): any {
       continue
     }
 
-    const v = replaceEqualDeep(aItem, bItem)
+    const v = replaceEqualDeep(aItem, bItem, depth + 1)
     copy[key] = v
     if (v === aItem) equalItems++
   }
