Merge pull request #8844 from elstgav/patch-1

Clarify DateField types

Author: slax57

packages/ra-ui-materialui/src/field/DateField.spec.tsx

@@ -107,7 +107,7 @@ describe('<DateField />', () => {
 
     it('should pass the options prop to toLocaleString', () => {
         const date = new Date('2017-04-23');
-        const options = {
+        const options: Intl.DateTimeFormatOptions = {
             weekday: 'long',
             year: 'numeric',
             month: 'long',

packages/ra-ui-materialui/src/field/DateField.tsx

@@ -129,8 +129,8 @@ export interface DateFieldProps
     extends PublicFieldProps,
         InjectedFieldProps,
         Omit<TypographyProps, 'textAlign'> {
-    locales?: string | string[];
-    options?: object;
+    locales?: Intl.LocalesArgument;
+    options?: Intl.DateTimeFormatOptions;
     showTime?: boolean;
     showDate?: boolean;
 }