Add types

Author: harish-sethuraman

beta/src/components/Layout/Nav/Nav.tsx

@@ -15,6 +15,14 @@ import {MenuContext} from 'components/useMenu';
 import {Logo} from '../../Logo';
 import NavLink from './NavLink';
 
+declare global {
+  interface Window {
+    __onThemeChange: () => void,
+    __theme :string,
+    __setPreferredTheme: (theme: string) => void
+  }
+}
+
 const feedbackIcon = (
   <svg
     xmlns="http://www.w3.org/2000/svg"

beta/src/pages/_document.tsx

@@ -21,7 +21,7 @@ class MyDocument extends Document {
                   preferredTheme = newTheme;
               
                   document.documentElement.className = newTheme;
-                  window.__onThemeChange(newTheme);
+                  window.__onThemeChange();
                 }
               
                 var preferredTheme;