Merge pull request #5818 from Developerius/master

typescript async transform

Author: djhi

packages/ra-ui-materialui/src/types.ts

@@ -36,7 +36,7 @@ export interface EditProps extends ResourceComponentPropsWithId {
     undoable?: boolean;
     onSuccess?: (data: RaRecord) => void;
     onFailure?: (error: any) => void;
-    transform?: (data: RaRecord) => RaRecord;
+    transform?: (data: RaRecord) => RaRecord | Promise<RaRecord>;
     title?: string | ReactElement;
 }
 
@@ -49,7 +49,7 @@ export interface CreateProps extends ResourceComponentProps {
     record?: Partial<RaRecord>;
     onSuccess?: (data: RaRecord) => void;
     onFailure?: (error: any) => void;
-    transform?: (data: RaRecord) => RaRecord;
+    transform?: (data: RaRecord) => RaRecord | Promise<RaRecord>;
     title?: string | ReactElement;
 }