* Minor refactoring

Author: CodeDead

public/electron.js

@@ -41,7 +41,7 @@ const createWindow = () => {
     })
 };
 
-app.on("ready", createWindow);
+app.whenReady().then(createWindow);
 
 app.on("window-all-closed", () => {
     if (process.platform !== "darwin") {
@@ -50,7 +50,7 @@ app.on("window-all-closed", () => {
 });
 
 app.on("activate", () => {
-    if (mainWindow === null) {
+    if (BrowserWindow.getAllWindows().length === 0) {
         createWindow();
     }
 });