feat(browser): add Browser.BrowserType() method (#14468)

Author: regseb

docs/src/api/class-browser.md

@@ -79,6 +79,11 @@ Emitted when Browser gets disconnected from the browser application. This might
 * Browser application is closed or crashed.
 * The [`method: Browser.close`] method was called.
 
+## method: Browser.browserType
+- returns: <[BrowserType]>
+
+Get the browser type (chromium, firefox or webkit) that the browser belongs to.
+
 ## async method: Browser.close
 
 In case this browser is obtained using [`method: BrowserType.launch`], closes the browser and all of its pages (if any

packages/playwright-core/src/client/browser.ts

@@ -56,6 +56,10 @@ export class Browser extends ChannelOwner<channels.BrowserChannel> implements ap
       context._setBrowserType(browserType);
   }
 
+  browserType(): BrowserType {
+    return this._browserType;
+  }
+
   async newContext(options: BrowserContextOptions = {}): Promise<BrowserContext> {
     options = { ...this._browserType._defaultContextOptions, ...options };
     const contextOptions = await prepareBrowserContextParams(options);

packages/playwright-core/types/types.d.ts

@@ -12746,6 +12746,11 @@ export interface Browser extends EventEmitter {
    */
   off(event: 'disconnected', listener: (browser: Browser) => void): this;
 
+  /**
+   * Get the browser type (chromium, firefox or webkit) that the browser belongs to.
+   */
+  browserType(): BrowserType;
+
   /**
    * In case this browser is obtained using
    * [browserType.launch([options])](https://playwright.dev/docs/api/class-browsertype#browser-type-launch), closes the

tests/library/browser.spec.ts

@@ -16,6 +16,10 @@
 
 import { browserTest as test, expect } from '../config/browserTest';
 
+test('should return browserType', function({ browser, browserType }) {
+  expect(browser.browserType()).toBe(browserType);
+});
+
 test('should create new page @smoke', async function({ browser }) {
   const page1 = await browser.newPage();
   expect(browser.contexts().length).toBe(1);