[Slide] Mark direction as optional in TypeScript (#20338)

mui · Mar 30, 2020 · ef1751b · ef1751b
1 parent 964f9ab
commit ef1751b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/material-ui/src/Slide/Slide.d.ts b/packages/material-ui/src/Slide/Slide.d.ts
@@ -4,7 +4,7 @@ import { TransitionProps } from '../transitions/transition';
 
 export interface SlideProps extends TransitionProps {
   children?: React.ReactElement<any, any>;
-  direction: 'left' | 'right' | 'up' | 'down';
+  direction?: 'left' | 'right' | 'up' | 'down';
   ref?: React.Ref<unknown>;
   theme?: Theme;
 }