[TS migration] Migrate 'Setup' files to TypeScript

src/libs/checkForUpdates.ts

@@ -16,4 +16,4 @@ function checkForUpdates(platformSpecificUpdater: PlatformSpecificUpdater) {
     }, UPDATE_INTERVAL);
 }
 
-module.exports = checkForUpdates;
+export default checkForUpdates;

src/setup/platformSetup/index.ts

@@ -0,0 +1 @@
+export default () => {};

src/setup/platformSetup/index.website.js → src/setup/platformSetup/index.website.ts

@@ -21,23 +21,25 @@ function webUpdate() {
 
             if (!Visibility.isVisible()) {
                 // Page is hidden, refresh immediately
-                window.location.reload(true);
+                window.location.reload();
                 return;
             }
 
             // Prompt user to refresh the page
             if (window.confirm('Refresh the page to get the latest updates!')) {
-                window.location.reload(true);
+                window.location.reload();
             }
         });
 }
 
+type WebUpdater = () => {
+    init: () => void;
+    update: () => void;
+};
 /**
  * Create an object whose shape reflects the callbacks used in checkForUpdates.
- *
- * @returns {Object}
  */
-const webUpdater = () => ({
+const webUpdater: WebUpdater = () => ({
     init: () => {
         // We want to check for updates and refresh the page if necessary when the app is backgrounded.
         // That way, it will auto-update silently when they minimize the page,

src/types/onyx/Session.ts

@@ -20,6 +20,9 @@ type Session = {
     /** Currently logged in user encrypted authToken */
     encryptedAuthToken?: string;
 
+    /** Boolean that indicates whether it is loading or not */
+    loading?: boolean;
+
     /** Currently logged in user accountID */
     accountID?: number;