revert: remove async from main load process

src/main/createWindow.ts

@@ -16,7 +16,7 @@ import { configureUSB } from "./setup/configureUSB";
 declare const MAIN_WINDOW_WEBPACK_ENTRY: string;
 declare const MAIN_WINDOW_PRELOAD_WEBPACK_ENTRY: string;
 
-const createWindow = async (): Promise<void> => {
+const createWindow = () => {
   // Create the browser window.
   const mainWindowState = windowStateKeeper({
     defaultWidth: 1200,
@@ -62,7 +62,7 @@ const createWindow = async (): Promise<void> => {
   onReadyToShow();
   onDevTools();
   onClose();
-  await configureUSB();
+  configureUSB();
 };
 
 export default createWindow;

src/main/index.ts

@@ -26,7 +26,7 @@ app.on("ready", async () => {
   setBackup();
   setTheme();
   // await setDevTools(); devtools do not work with latest electron
-  await createWindow();
+  createWindow();
   // we do not want a menu on top of the window
   Menu.setApplicationMenu(null);
 });
@@ -45,7 +45,7 @@ app.on("activate", async () => {
   // On OS X it's common to re-create a window in the app when the
   // dock icon is clicked and there are no other windows open.
   if (BrowserWindow.getAllWindows().length === 0) {
-    await createWindow();
+    createWindow();
   }
 });
 

src/main/setup/configureUSB.ts

@@ -72,7 +72,7 @@ export const getDevices = () => {
   return devices;
 };
 
-export const configureUSB = async () => {
+export const configureUSB = () => {
   ipcMain.handle("usb-devices", () => {
     const devices = getDeviceList();
     return devices;
@@ -81,5 +81,5 @@ export const configureUSB = async () => {
   // connect/disconnect events, but it only sends disconnect events for devices
   // it knows. If there are devices connected when we start up, we need to scan
   // them first to notice disconnects. We do that here.
-  await webusb.getDevices();
+  webusb.getDevices();
 };