[PM-5741] Reworking usage of window object in BrowserApi.reloadExtension method (#8021)

* [PM-5741] Reworking usage of `window` object in BrowserApi.reloadExtension method

* [PM-5741] Reworking usage of `window` object in BrowserApi.reloadExtension method

apps/browser/src/background/main.background.ts

@@ -757,7 +757,7 @@ export default class MainBackground {
         this.platformUtilsService.isSafari() ||
         this.platformUtilsService.isFirefox() ||
         this.platformUtilsService.isOpera();
-      BrowserApi.reloadExtension(forceWindowReload ? window : null);
+      BrowserApi.reloadExtension(forceWindowReload ? self : null);
       return Promise.resolve();
     };
 

apps/browser/src/platform/browser/browser-api.spec.ts

@@ -185,6 +185,31 @@ describe("BrowserApi", () => {
     });
   });
 
+  describe("reloadExtension", () => {
+    it("reloads the window location if the passed globalContext is for the window", () => {
+      const windowMock = mock<Window>({
+        location: { reload: jest.fn() },
+      }) as unknown as Window & typeof globalThis;
+
+      BrowserApi.reloadExtension(windowMock);
+
+      expect(windowMock.location.reload).toHaveBeenCalled();
+    });
+
+    it("reloads the extension runtime if the passed globalContext is not for the window", () => {
+      const globalMock = mock<typeof globalThis>({}) as any;
+      BrowserApi.reloadExtension(globalMock);
+
+      expect(chrome.runtime.reload).toHaveBeenCalled();
+    });
+
+    it("reloads the extension runtime if a null value is passed as the globalContext", () => {
+      BrowserApi.reloadExtension(null);
+
+      expect(chrome.runtime.reload).toHaveBeenCalled();
+    });
+  });
+
   describe("reloadOpenWindows", () => {
     const href = window.location.href;
     const reload = window.location.reload;

apps/browser/src/platform/browser/browser-api.ts

@@ -381,12 +381,20 @@ export class BrowserApi {
     return chrome.i18n.getUILanguage();
   }
 
-  static reloadExtension(win: Window) {
-    if (win != null) {
-      return (win.location as any).reload(true);
-    } else {
-      return chrome.runtime.reload();
+  /**
+   * Handles reloading the extension, either by calling the window location
+   * to reload or by calling the extension's runtime to reload.
+   *
+   * @param globalContext - The global context to use for the reload.
+   */
+  static reloadExtension(globalContext: (Window & typeof globalThis) | null) {
+    // The passed globalContext might be a ServiceWorkerGlobalScope, as a result
+    // we need to check if the location object exists before calling reload on it.
+    if (typeof globalContext?.location?.reload === "function") {
+      return (globalContext as any).location.reload(true);
     }
+
+    return chrome.runtime.reload();
   }
 
   /**

apps/browser/test.setup.ts

@@ -30,6 +30,7 @@ const runtime = {
     addListener: jest.fn(),
     removeListener: jest.fn(),
   },
+  reload: jest.fn(),
 };
 
 const contextMenus = {