[TS migration] Migrate 'getContextMenuItemStyles' style to TypeScript

src/styles/getContextMenuItemStyles/index.native.tsx

@@ -1,3 +1,6 @@
 import styles from '../styles';
+import GetContextMenuItemStyle from './types';
 
-export default () => [styles.popoverMenuItem];
+const getContextMenuItemStyle: GetContextMenuItemStyle = () => [styles.popoverMenuItem];
+
+export default getContextMenuItemStyle;

src/styles/getContextMenuItemStyles/index.tsx

@@ -1,9 +1,12 @@
 import styles from '../styles';
 import variables from '../variables';
+import GetContextMenuItemStyle from './types';
 
-export default (windowWidth) => {
-    if (windowWidth > variables.mobileResponsiveWidthBreakpoint) {
+const GetContextMenuItemStyles: GetContextMenuItemStyle = (windowWidth) => {
+    if (windowWidth && windowWidth > variables.mobileResponsiveWidthBreakpoint) {
         return [styles.popoverMenuItem, styles.contextMenuItemPopoverMaxWidth];
     }
     return [styles.popoverMenuItem];
 };
+
+export default GetContextMenuItemStyles;

src/styles/getContextMenuItemStyles/types.ts

@@ -0,0 +1,5 @@
+import {ViewStyle} from 'react-native';
+
+type GetContextMenuItemStyle = (windowWidth?: number) => ViewStyle[];
+
+export default GetContextMenuItemStyle;