types(validation): toObject ignores properties stating with $

Author: pikax

packages/vue-composable/__tests__/validation/validation.spec.ts

@@ -304,6 +304,21 @@ describe("validation", () => {
         part2: "part2",
       });
     });
+
+    it("should not keep keys starting with '$'", () => {
+      const v = useValidation({
+        $test: "ddd",
+        age: {
+          $value: 20,
+        },
+      }).toObject();
+
+      //@ts-expect-error not to be defined
+      expect(v.$test).toBe(undefined);
+      expect(v).toStrictEqual({
+        age: 20,
+      });
+    });
   });
 
   describe("render", () => {

packages/vue-composable/src/validation/validation.ts

@@ -101,7 +101,11 @@ type ValidationOutputObject<T extends Record<string, any>> = T extends {
   $value: any;
 }
   ? UnwrapRef<T["$value"]>
-  : { [K in keyof T]: ValidationOutputObject<T[K]> };
+  : {
+      [K in keyof T & string as K extends `$${string}`
+        ? never
+        : K]: ValidationOutputObject<T[K]>;
+    };
 
 /* /Output */