feat(Form): expose submit function (#1186)

src/runtime/components/forms/Form.vue

@@ -144,6 +144,9 @@ export default defineComponent({
           errors.value = errs
         }
       },
+      async submit () {
+        await onSubmit(new Event('submit'))
+      },
       getErrors (path?: string) {
         if (path) {
           return errors.value.filter((err) => err.path === path)

src/runtime/types/form.d.ts

@@ -15,6 +15,7 @@ export interface Form<T> {
   errors: Ref<FormError[]>
   setErrors(errs: FormError[], path?: string): void
   getErrors(path?: string): FormError[]
+  submit(): Promise<void>
 }
 
 export type FormSubmitEvent<T> = SubmitEvent & { data: T }