Require children in SegmentedButtonGroup/MenuItem

Author: TyMick

components/button/Button.js

@@ -174,7 +174,7 @@ const SegmentedButtonGroup = styled(Box).attrs(({ border }) => ({
 `;
 
 SegmentedButtonGroup.propTypes = {
-	children: PropTypes.arrayOf(elementOfType(Button)),
+	children: PropTypes.arrayOf(elementOfType(Button)).isRequired,
 	...Box.propTypes,
 };
 

components/dropdown/dropdown-menu.jsx

@@ -78,6 +78,6 @@ DropdownMenu.propTypes = {
 			elementOfType(MenuItemSecondaryText),
 			elementOfType(MenuItemTitle),
 		]),
-	),
+	).isRequired,
 	...Popover.propTypes,
 };