fix(webdriverio): allow switchWindow with no current window

Author: DudaGod

packages/webdriverio/src/commands/browser/switchWindow.ts

@@ -46,6 +46,13 @@ export async function switchWindow (
     }
 
     const currentWindow = await this.getWindowHandle()
+        /**
+         * in cases where a browser window was closed by e.g. clicking on a button
+         * this command may throws an "no such window: target window already closed"
+         * error. In this case we return `undefined` and determine the new window
+         * based on the command parameter.
+         */
+        .catch(() => undefined)
 
     // is the matcher a window handle, and are we in the right window already?
     if (typeof matcher === 'string' && currentWindow === matcher) {

packages/webdriverio/tests/commands/browser/switchWindow.test.ts

@@ -105,6 +105,15 @@ describe('switchWindow', () => {
         expect(tabId).toBe('window-handle-1')
     })
 
+    it('should allow switchWindow call even when the currently active one is closed', async () => {
+        vi.spyOn(browser, 'getWindowHandle').mockImplementation(() =>
+            Promise.reject('target window already closed')
+        )
+
+        const tabId = await browser.switchWindow('webdriver.io')
+        expect(tabId).toBe('window-handle-1')
+    })
+
     afterAll(() => {
         // @ts-expect-error
         delete global.window