feat: removes isRtl and getDocument helpers from @zendeskgarden/react-theming (#1702)

* feat: removes isRtl and getDocument helpers from @zendeskgarden/react-theming

* chore: remove withTheme hook

Author: geotrev

docs/migration.md

@@ -4,6 +4,11 @@
 
 ### Breaking Changes
 
+#### @zendeskgarden/react-theming
+
+- Utility function `isRtl` has been removed. Use `props.theme.rtl` instead.
+- Utility function `getDocument` has been removed. Use `useDocument` instead.
+
 #### @zendeskgarden/react-utilities
 
 - This package has been removed.

packages/theming/README.md

@@ -52,20 +52,3 @@ import { Notification } from '@zendeskgarden/react-notifications';
   <Notification>This notification content will render with RTL layout.</Notification>
 </ThemeProvider>;
 ```
-
-The `withTheme` [HOC](https://reactjs.org/docs/higher-order-components.html)
-utility allows any component to interact with its `ThemeProvider`.
-
-```jsx
-import { withTheme } from '@zendeskgarden/react-theming';
-
-const Div = ({ theme, children }) => (
-  <div style={{ direction: theme.rtl ? 'rtl' : 'ltr' }}>{children}</div>
-);
-
-const LocalizedComponent = withTheme(Div);
-
-<ThemeProvider theme={{ ...DEFAULT_THEME, rtl: true }}>
-  <LocalizedComponent>RTL localizable</LocalizedComponent>
-</ThemeProvider>;
-```

packages/theming/src/index.ts

@@ -8,14 +8,11 @@
 export { ThemeProvider } from './elements/ThemeProvider';
 export { default as DEFAULT_THEME } from './elements/theme';
 export { default as PALETTE } from './elements/palette';
-export { default as isRtl } from './utils/isRtl';
 export {
   default as retrieveComponentStyles,
   /** `retrieveTheme` is a deprecated usage for v7 compatability */
   default as retrieveTheme
 } from './utils/retrieveComponentStyles';
-export { default as withTheme } from './utils/withTheme';
-export { default as getDocument } from './utils/getDocument';
 export { getColor } from './utils/getColor';
 export { getFocusBoxShadow } from './utils/getFocusBoxShadow';
 export { default as getLineHeight } from './utils/getLineHeight';