Validation Promise<any> to Promise<never>.

Author: Martynas Žilinskas

packages/simplr-forms-core/__tests__/stores/form-store.test.ts

@@ -101,7 +101,7 @@ describe("Form store", () => {
         const formStore = new FormStore(formId);
 
         formStore.RegisterField(fieldId, initialValue, defaultValue);
-        const validationPromise = new Promise<void>((resolve, reject) => {
+        const validationPromise = new Promise<never>((resolve, reject) => {
             setTimeout(() => {
                 resolve();
             }, 50);
@@ -132,7 +132,7 @@ describe("Form store", () => {
         const formError: FormError = { Message: "Error Message" };
 
         formStore.RegisterField(fieldId, initialValue, defaultValue);
-        const validationPromise = new Promise<void>((resolve, reject) => {
+        const validationPromise = new Promise<never>((resolve, reject) => {
             setTimeout(() => {
                 reject(formError);
             }, 50);
@@ -174,7 +174,7 @@ describe("Form store", () => {
         const formError = "field error";
 
         formStore.RegisterField(fieldId, initialValue, defaultValue);
-        const validationPromise = new Promise<void>((resolve, reject) => {
+        const validationPromise = new Promise<never>((resolve, reject) => {
             setTimeout(() => {
                 reject(formError);
             }, 50);

packages/simplr-forms-core/src/stores/form-store.ts

@@ -138,7 +138,7 @@ export class FormStore extends ActionEmitter {
         this.emit(new Actions.ValueChanged(fieldId, newValue));
     }
 
-    public async Validate(fieldId: string, validationPromise: Promise<void>) {
+    public async Validate(fieldId: string, validationPromise: Promise<never>) {
         const field = this.State.Fields.get(fieldId);
         const fieldValue = field.Value;
 

packages/simplr-forms-dom/src/contracts/form.ts

@@ -3,5 +3,5 @@ import { FieldValue, FormError } from "simplr-forms-core/contracts";
 import { FormStore } from "simplr-forms-core/stores";
 
 export interface FormOnSubmitCallback extends React.FormEventHandler<HTMLFormElement> {
-    (event: React.FormEvent<HTMLFormElement>, store: FormStore): void | Promise<any> | FormError | string;
+    (event: React.FormEvent<HTMLFormElement>, store: FormStore): void | Promise<never> | FormError | string;
 }