refactor: use early return guard for mb.window across src/main

Author: afonsojramos

src/main/events.ts

@@ -46,5 +46,9 @@ export function sendRendererEvent(
   event: EventType,
   data?: string,
 ) {
-  mb.window?.webContents.send(event, data);
+  if (!mb.window) {
+    return;
+  }
+
+  mb.window.webContents.send(event, data);
 }

src/main/handlers/system.ts

@@ -24,7 +24,11 @@ export function registerSystemHandlers(mb: Menubar): void {
   let lastRegisteredAccelerator: string | null = null;
 
   const toggleWindow = () => {
-    if (mb.window?.isVisible()) {
+    if (!mb.window) {
+      return;
+    }
+
+    if (mb.window.isVisible()) {
       mb.hideWindow();
     } else {
       mb.showWindow();

src/main/lifecycle/window.ts

@@ -26,23 +26,27 @@ export function configureWindowEvents(mb: Menubar): void {
    * When DevTools is opened, resize and center the window for better visibility and allow resizing.
    */
   mb.window.webContents.on('devtools-opened', () => {
-    mb.window?.setSize(800, 600);
-    mb.window?.center();
-    if (mb.window) {
-      mb.window.resizable = true;
+    if (!mb.window) {
+      return;
     }
-    mb.window?.setAlwaysOnTop(true);
+
+    mb.window.setSize(800, 600);
+    mb.window.center();
+    mb.window.resizable = true;
+    mb.window.setAlwaysOnTop(true);
   });
 
   /**
    * When DevTools is closed, restore the window to its original size and position it centered on the tray icon.
    */
   mb.window.webContents.on('devtools-closed', () => {
+    if (!mb.window) {
+      return;
+    }
+
     const trayBounds = mb.tray.getBounds();
-    mb.window?.setSize(WindowConfig.width ?? 500, WindowConfig.height ?? 400);
+    mb.window.setSize(WindowConfig.width!, WindowConfig.height!);
     mb.positioner.move('trayCenter', trayBounds);
-    if (mb.window) {
-      mb.window.resizable = false;
-    }
+    mb.window.resizable = false;
   });
 }

src/main/utils.ts

@@ -30,7 +30,11 @@ export function takeScreenshot(mb: Menubar) {
     `${dateStr}-${APPLICATION.NAME}-screenshot.png`,
   );
 
-  mb.window?.capturePage().then((img) => {
+  if (!mb.window) {
+    return;
+  }
+
+  mb.window.capturePage().then((img) => {
     fs.writeFile(capturedPicFilePath, img.toPNG(), () =>
       logInfo('takeScreenshot', `Screenshot saved ${capturedPicFilePath}`),
     );