fix: restrict DotPaths inference recursion and ignore built-in types

src/internal/types.ts

@@ -19,11 +19,29 @@ export type Themes = {
 };
 
 type FlatKeys<T> = keyof T;
-type DotPaths<T> = {
-  [K in keyof T & string]: T[K] extends object
-    ? K | `${K}.${DotPaths<T[K]>}` // Note: resolving `never` will collapse the entire interpolated string to never, leaving only valid paths
-    : K;
-}[keyof T & string];
+
+type NonTraversable =
+  | ((...args: never) => unknown)
+  | Array<unknown>
+  | Date
+  | RegExp
+  | Map<unknown, unknown>
+  | Set<unknown>
+  | Promise<unknown>;
+type Prev = [never, 0, 1, 2, 3, 4];
+
+type DotPaths<T, Depth extends number = 5> = Depth extends 0
+  ? never
+  :
+      | {
+          [K in keyof T & string]: T[K] extends object
+            ? T[K] extends NonTraversable
+              ? never
+              : `${K}.${DotPaths<T[K], Prev[Depth]>}` // Note: resolving `never` will collapse the entire interpolated string to never, leaving only valid paths
+            : never;
+        }[keyof T & string]
+      | (keyof T & string);
+
 type NestedKeys<T> = Exclude<DotPaths<T>, FlatKeys<T>>;
 
 /**