From a0adb503de53dd9749b1d82813ff71629a182789 Mon Sep 17 00:00:00 2001
From: Verox001 <verox@cimeyclust.com>
Date: Sat, 1 Feb 2025 02:23:41 +0100
Subject: [PATCH 1/2] Fixed TypeError on providing only a partial subset of
 form fields

---
 packages/react/src/useForm.ts                 | 6 +++---
 playgrounds/react/resources/js/Pages/Form.tsx | 5 +++++
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/packages/react/src/useForm.ts b/packages/react/src/useForm.ts
index 0e0188e60..000350973 100644
--- a/packages/react/src/useForm.ts
+++ b/packages/react/src/useForm.ts
@@ -26,7 +26,7 @@ export interface InertiaFormProps<TForm extends FormDataType> {
   reset: (...fields: (keyof TForm)[]) => void
   clearErrors: (...fields: (keyof TForm)[]) => void
   setError(field: keyof TForm, value: string): void
-  setError(errors: Record<keyof TForm, string>): void
+  setError(errors: Partial<Record<keyof TForm, string>>): void
   submit: (method: Method, url: string, options?: FormOptions) => void
   get: (url: string, options?: FormOptions) => void
   patch: (url: string, options?: FormOptions) => void
@@ -216,13 +216,13 @@ export default function useForm<TForm extends FormDataType>(
   )
 
   const setError = useCallback(
-    (fieldOrFields: keyof TForm | Record<keyof TForm, string>, maybeValue?: string) => {
+    (fieldOrFields: keyof TForm | Partial<Record<keyof TForm, string>>, maybeValue?: string) => {
       setErrors((errors) => {
         const newErrors = {
           ...errors,
           ...(typeof fieldOrFields === 'string'
             ? { [fieldOrFields]: maybeValue }
-            : (fieldOrFields as Record<keyof TForm, string>)),
+            : (fieldOrFields as Partial<Record<keyof TForm, string>>)),
         }
         setHasErrors(Object.keys(newErrors).length > 0)
         return newErrors
diff --git a/playgrounds/react/resources/js/Pages/Form.tsx b/playgrounds/react/resources/js/Pages/Form.tsx
index 50cc078b5..a6f8b09c3 100644
--- a/playgrounds/react/resources/js/Pages/Form.tsx
+++ b/playgrounds/react/resources/js/Pages/Form.tsx
@@ -11,6 +11,11 @@ const Form = () => {
   function submit(e) {
     e.preventDefault()
     form.post('/user')
+
+    form.setError({
+      'name': 'Name is required',
+      'company': 'Company is required',
+    })
   }
 
   return (

From ac520829e43a9747eb61de536bde77b4d973d652 Mon Sep 17 00:00:00 2001
From: Verox001 <verox@cimeyclust.com>
Date: Sat, 1 Feb 2025 02:27:55 +0100
Subject: [PATCH 2/2] Fixed types for vue and svelte as well

---
 packages/svelte/src/useForm.ts | 6 +++---
 packages/vue3/src/useForm.ts   | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/packages/svelte/src/useForm.ts b/packages/svelte/src/useForm.ts
index 8cbd4c715..d484bc8e3 100644
--- a/packages/svelte/src/useForm.ts
+++ b/packages/svelte/src/useForm.ts
@@ -36,7 +36,7 @@ export interface InertiaFormProps<TForm extends FormDataType> {
   reset(...fields: (keyof TForm)[]): this
   clearErrors(...fields: (keyof TForm)[]): this
   setError(field: keyof TForm, value: string): this
-  setError(errors: Errors): this
+  setError(errors: Partial<Errors>): this
   submit(method: Method, url: string, options?: FormOptions): void
   get(url: string, options?: FormOptions): void
   post(url: string, options?: FormOptions): void
@@ -120,10 +120,10 @@ export default function useForm<TForm extends FormDataType>(
 
       return this
     },
-    setError(fieldOrFields: keyof TForm | Errors, maybeValue?: string) {
+    setError(fieldOrFields: keyof TForm | Partial<Errors>, maybeValue?: string) {
       this.setStore('errors', {
         ...this.errors,
-        ...((typeof fieldOrFields === 'string' ? { [fieldOrFields]: maybeValue } : fieldOrFields) as Errors),
+        ...((typeof fieldOrFields === 'string' ? { [fieldOrFields]: maybeValue } : fieldOrFields) as Partial<Errors>),
       })
 
       return this
diff --git a/packages/vue3/src/useForm.ts b/packages/vue3/src/useForm.ts
index 786cbeadb..7f42115d4 100644
--- a/packages/vue3/src/useForm.ts
+++ b/packages/vue3/src/useForm.ts
@@ -22,7 +22,7 @@ export interface InertiaFormProps<TForm extends FormDataType> {
   reset(...fields: (keyof TForm)[]): this
   clearErrors(...fields: (keyof TForm)[]): this
   setError(field: keyof TForm, value: string): this
-  setError(errors: Record<keyof TForm, string>): this
+  setError(errors: Partial<Record<keyof TForm, string>>): this
   submit(method: Method, url: string, options?: FormOptions): void
   get(url: string, options?: FormOptions): void
   post(url: string, options?: FormOptions): void
@@ -108,7 +108,7 @@ export default function useForm<TForm extends FormDataType>(
 
       return this
     },
-    setError(fieldOrFields: keyof TForm | Record<keyof TForm, string>, maybeValue?: string) {
+    setError(fieldOrFields: keyof TForm | Partial<Record<keyof TForm, string>>, maybeValue?: string) {
       Object.assign(this.errors, typeof fieldOrFields === 'string' ? { [fieldOrFields]: maybeValue } : fieldOrFields)
 
       this.hasErrors = Object.keys(this.errors).length > 0