diff --git a/js/core/index.d.ts b/js/core/index.d.ts
index 9ddfc76eb0a3..c5d0a603569e 100644
--- a/js/core/index.d.ts
+++ b/js/core/index.d.ts
@@ -19,9 +19,10 @@ export type Xor<T1, T2 = never, T3 = never, T4 = never, T5 = never, T6 = never,
   | Seal<T8, KeysOf<T1, T2, T3, T4, T5, T6, T7, T9>>
   | Seal<T9, KeysOf<T1, T2, T3, T4, T5, T6, T7, T8>>;
 
-export type DeepPartial<T> = T extends Record<string, unknown> ? {
+type Scalar = string | number | Function | Date | Boolean | Array<unknown>;
+export type DeepPartial<T> = T extends Scalar ? T : {
   [P in keyof T]?: DeepPartial<T[P]>;
-} : T;
+};
 
 type ItemType<T> = T extends (infer TItem)[] ? TItem : T;
 type Property<T, TPropName extends string> = T extends Partial<Record<TPropName, infer TValue>> ? TValue : never;