fix: allow access to root-level issues in schema-less forms (#14893)

* fix: allow access to root-level issues in schema-less forms

* feat: use IsAny type to account for `f7` test

* include `allIssues()`

* simplify type

Co-authored-by: Simon H <[email protected]>

* Update types

---------

Co-authored-by: Simon H <[email protected]>

Author: sillvva

.changeset/every-bears-clean.md

@@ -0,0 +1,5 @@
+---
+'@sveltejs/kit': patch
+---
+
+fix: allow access to root-level issues in schema-less forms

packages/kit/src/exports/public.d.ts

@@ -2075,7 +2075,7 @@ export type RemoteForm<Input extends RemoteFormInput | void, Output> = {
 	/** The number of pending submissions */
 	get pending(): number;
 	/** Access form fields using object notation */
-	fields: Input extends void ? never : RemoteFormFields<Input>;
+	fields: RemoteFormFields<Input>;
 	/** Spread this onto a `<button>` or `<input type="submit">` */
 	buttonProps: {
 		type: 'submit';

packages/kit/test/types/remote.test.ts

@@ -341,6 +341,8 @@ function form_tests() {
 			invalid.x('bar')
 		);
 	});
+	f8.fields.issues();
+	f8.fields.allIssues();
 	// @ts-expect-error
 	f8.fields.x;
 	// @ts-expect-error

packages/kit/types/index.d.ts

@@ -2051,7 +2051,7 @@ declare module '@sveltejs/kit' {
 		/** The number of pending submissions */
 		get pending(): number;
 		/** Access form fields using object notation */
-		fields: Input extends void ? never : RemoteFormFields<Input>;
+		fields: RemoteFormFields<Input>;
 		/** Spread this onto a `<button>` or `<input type="submit">` */
 		buttonProps: {
 			type: 'submit';