From 157f92babb475b79b9caf6c762b82420e6e026da Mon Sep 17 00:00:00 2001
From: Rizky Djanuar <rizky.djanuar@code.id>
Date: Thu, 4 Jun 2026 09:36:51 +0700
Subject: [PATCH 1/2] fix(Form): use FormState type to support nullable/custom
 initial state values

---
 src/runtime/components/Form.vue | 6 +++---
 src/runtime/types/form.ts       | 4 ++++
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/runtime/components/Form.vue b/src/runtime/components/Form.vue
index 8ba83d55c4..c8d9713614 100644
--- a/src/runtime/components/Form.vue
+++ b/src/runtime/components/Form.vue
@@ -2,7 +2,7 @@
 import type { VNode } from 'vue'
 import type { AppConfig } from '@nuxt/schema'
 import theme from '#build/ui/form'
-import type { FormSchema, FormError, FormInputEvents, FormErrorEvent, FormSubmitEvent, FormEvent, Form, FormErrorWithId, InferInput, InferOutput, FormData } from '../types/form'
+import type { FormSchema, FormError, FormInputEvents, FormErrorEvent, FormSubmitEvent, FormEvent, Form, FormErrorWithId, InferInput, InferOutput, FormData, FormState } from '../types/form'
 import type { FormHTMLAttributes } from '../types/html'
 import type { ComponentConfig } from '../types/tv'
 
@@ -13,13 +13,13 @@ export type FormProps<S extends FormSchema, T extends boolean = true, N extends
   /** Schema to validate the form state. Supports Standard Schema objects, Yup, Joi, and Superstructs. */
   schema?: S
   /** An object representing the current state of the form. */
-  state?: N extends false ? Partial<InferInput<S>> : never
+  state?: N extends false ? FormState<S> : never
   /**
    * Custom validation function to validate the form state.
    * @param state - The current state of the form.
    * @returns A promise that resolves to an array of FormError objects, or an array of FormError objects directly.
    */
-  validate?: (state: Partial<InferInput<S>>) => Promise<FormError[]> | FormError[]
+  validate?: (state: FormState<S>) => Promise<FormError[]> | FormError[]
 
   /**
    * The list of input events that trigger the form validation.
diff --git a/src/runtime/types/form.ts b/src/runtime/types/form.ts
index 4a2a45b533..c5d6b2ca3b 100644
--- a/src/runtime/types/form.ts
+++ b/src/runtime/types/form.ts
@@ -34,6 +34,10 @@ export type InferOutput<Schema> = Schema extends StandardSchemaV1 ? StandardSche
   : Schema extends SuperstructSchema<infer O, any> ? O
     : never
 
+export type FormState<S extends FormSchema> = {
+  [K in keyof InferInput<S>]?: InferInput<S>[K] | unknown
+}
+
 export type FormData<S extends FormSchema, T extends boolean = true> = T extends true ? InferOutput<S> : InferInput<S>
 
 export type FormInputEvents = 'input' | 'blur' | 'change' | 'focus'

From 68789b51c0611ae6d9af5bb2dd8179f850c529da Mon Sep 17 00:00:00 2001
From: Rizky Djanuar <rizky.djanuar@code.id>
Date: Thu, 4 Jun 2026 12:16:59 +0700
Subject: [PATCH 2/2] up

---
 src/runtime/types/form.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/runtime/types/form.ts b/src/runtime/types/form.ts
index c5d6b2ca3b..44ee8117c1 100644
--- a/src/runtime/types/form.ts
+++ b/src/runtime/types/form.ts
@@ -35,7 +35,7 @@ export type InferOutput<Schema> = Schema extends StandardSchemaV1 ? StandardSche
     : never
 
 export type FormState<S extends FormSchema> = {
-  [K in keyof InferInput<S>]?: InferInput<S>[K] | unknown
+  [K in keyof InferInput<S>]?: any
 }
 
 export type FormData<S extends FormSchema, T extends boolean = true> = T extends true ? InferOutput<S> : InferInput<S>