feat: rename PageError to WebError (#26913)

docs/src/api/class-browsercontext.md

@@ -239,12 +239,12 @@ Use [`method: Page.waitForLoadState`] to wait until the page gets to a particula
 cases).
 :::
 
-## event: BrowserContext.pageError
+## event: BrowserContext.webError
 * since: v1.38
-- argument: <[PageError]>
+- argument: <[WebError]>
 
-Emitted when unhandled exceptions occur on any pages created through this
-context. To only listen for `pageError` events from a particular page, use [`event: Page.pageError`].
+Emitted when exception is unhandled in any of the pages in this
+context. To listen for errors from a particular page, use [`event: Page.pageError`] instead.
 
 ## event: BrowserContext.request
 * since: v1.12

docs/src/api/class-weberror.md

@@ -1,13 +1,12 @@
-# class: PageError
+# class: WebError
 * since: v1.38
 
-[PageError] class represents objects created by context when there are unhandled
-execeptions thrown on the pages and dispatched via the [`event: BrowserContext.pageError`] event.
+[WebError] class represents an unhandled exeception thrown in the page. It is dispatched via the [`event: BrowserContext.webError`] event.
 
 ```js
 // Log all uncaught errors to the terminal
-context.on('pageerror', pageerror => {
-  console.log(`Uncaught exception: "${pageerror.error()}"`);
+context.on('weberror', webError => {
+  console.log(`Uncaught exception: "${webError.error()}"`);
 });
 
 // Navigate to a page with an exception.
@@ -16,8 +15,8 @@ await page.goto('data:text/html,<script>throw new Error("Test")</script>');
 
 ```java
 // Log all uncaught errors to the terminal
-context.onPageError(pagerror -> {
-  System.out.println("Uncaught exception: " + pagerror.error());
+context.onWebError(webError -> {
+  System.out.println("Uncaught exception: " + webError.error());
 });
 
 // Navigate to a page with an exception.
@@ -26,7 +25,7 @@ page.navigate("data:text/html,<script>throw new Error('Test')</script>");
 
 ```python async
 # Log all uncaught errors to the terminal
-context.on("pageerror", lambda pageerror: print(f"uncaught exception: {pageerror.error}"))
+context.on("weberror", lambda web_error: print(f"uncaught exception: {web_error.error}"))
 
 # Navigate to a page with an exception.
 await page.goto("data:text/html,<script>throw new Error('test')</script>")
@@ -34,7 +33,7 @@ await page.goto("data:text/html,<script>throw new Error('test')</script>")
 
 ```python sync
 # Log all uncaught errors to the terminal
-context.on("pageerror", lambda pageerror: print(f"uncaught exception: {pageerror.error}"))
+context.on("weberror", lambda web_error: print(f"uncaught exception: {web_error.error}"))
 
 # Navigate to a page with an exception.
 page.goto("data:text/html,<script>throw new Error('test')</script>")
@@ -42,25 +41,25 @@ page.goto("data:text/html,<script>throw new Error('test')</script>")
 
 ```csharp
 // Log all uncaught errors to the terminal
-context.PageError += (_, pageerror) =>
+context.WebError += (_, webError) =>
 {
-  Console.WriteLine("Uncaught exception: " + pageerror.Error);
+  Console.WriteLine("Uncaught exception: " + webError.Error);
 };
 ```
 
-## method: PageError.page
+## method: WebError.page
 * since: v1.38
 - returns: <[null]|[Page]>
 
 The page that produced this unhandled exception, if any.
 
-## method: PageError.error
+## method: WebError.error
 * since: v1.38
 - returns: <[Error]>
 
 Unhandled error that was thrown.
 
-## method: PageError.error
+## method: WebError.error
 * since: v1.38
 * langs: java, csharp
 - returns: <[string]>

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

@@ -42,4 +42,4 @@ export { Video } from './video';
 export { Worker } from './worker';
 export { CDPSession } from './cdpSession';
 export { Playwright } from './playwright';
-export { PageError } from './pageError';
+export { WebError } from './webError';

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

@@ -41,7 +41,7 @@ import { rewriteErrorMessage } from '../utils/stackTrace';
 import { HarRouter } from './harRouter';
 import { ConsoleMessage } from './consoleMessage';
 import { Dialog } from './dialog';
-import { PageError } from './pageError';
+import { WebError } from './webError';
 import { parseError } from '../protocol/serializers';
 
 export class BrowserContext extends ChannelOwner<channels.BrowserContextChannel> implements api.BrowserContext {
@@ -105,7 +105,7 @@ export class BrowserContext extends ChannelOwner<channels.BrowserContextChannel>
     this._channel.on('pageError', ({ error, page }) => {
       const pageObject = Page.from(page);
       const parsedError = parseError(error);
-      this.emit(Events.BrowserContext.PageError, new PageError(pageObject, parsedError));
+      this.emit(Events.BrowserContext.WebError, new WebError(pageObject, parsedError));
       if (pageObject)
         pageObject.emit(Events.Page.PageError, parsedError);
     });

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

@@ -41,7 +41,7 @@ export const Events = {
     Page: 'page',
     // Can't use just 'error' due to node.js special treatment of error events.
     // @see https://nodejs.org/api/events.html#events_error_events
-    PageError: 'pageerror',
+    WebError: 'weberror',
     BackgroundPage: 'backgroundpage',
     ServiceWorker: 'serviceworker',
     Request: 'request',

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

@@ -17,7 +17,7 @@
 import type * as api from '../../types/types';
 import type { Page } from './page';
 
-export class PageError implements api.PageError {
+export class WebError implements api.WebError {
   private _page: Page | null;
   private _error: Error;
 

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

@@ -7625,11 +7625,10 @@ export interface BrowserContext {
   on(event: 'page', listener: (page: Page) => void): this;
 
   /**
-   * Emitted when unhandled exceptions occur on any pages created through this context. To only listen for `pageError`
-   * events from a particular page, use
-   * [page.on('pageerror')](https://playwright.dev/docs/api/class-page#page-event-page-error).
+   * Emitted when exception is unhandled in any of the pages in this context. To listen for errors from a particular
+   * page, use [page.on('pageerror')](https://playwright.dev/docs/api/class-page#page-event-page-error) instead.
    */
-  on(event: 'pageerror', listener: (pageError: PageError) => void): this;
+  on(event: 'weberror', listener: (webError: WebError) => void): this;
 
   /**
    * Emitted when a request is issued from any pages created through this context. The [request] object is read-only. To
@@ -7704,7 +7703,7 @@ export interface BrowserContext {
   /**
    * Adds an event listener that will be automatically removed after it is triggered once. See `addListener` for more information about this event.
    */
-  once(event: 'pageerror', listener: (pageError: PageError) => void): this;
+  once(event: 'weberror', listener: (webError: WebError) => void): this;
 
   /**
    * Adds an event listener that will be automatically removed after it is triggered once. See `addListener` for more information about this event.
@@ -7818,11 +7817,10 @@ export interface BrowserContext {
   addListener(event: 'page', listener: (page: Page) => void): this;
 
   /**
-   * Emitted when unhandled exceptions occur on any pages created through this context. To only listen for `pageError`
-   * events from a particular page, use
-   * [page.on('pageerror')](https://playwright.dev/docs/api/class-page#page-event-page-error).
+   * Emitted when exception is unhandled in any of the pages in this context. To listen for errors from a particular
+   * page, use [page.on('pageerror')](https://playwright.dev/docs/api/class-page#page-event-page-error) instead.
    */
-  addListener(event: 'pageerror', listener: (pageError: PageError) => void): this;
+  addListener(event: 'weberror', listener: (webError: WebError) => void): this;
 
   /**
    * Emitted when a request is issued from any pages created through this context. The [request] object is read-only. To
@@ -7897,7 +7895,7 @@ export interface BrowserContext {
   /**
    * Removes an event listener added by `on` or `addListener`.
    */
-  removeListener(event: 'pageerror', listener: (pageError: PageError) => void): this;
+  removeListener(event: 'weberror', listener: (webError: WebError) => void): this;
 
   /**
    * Removes an event listener added by `on` or `addListener`.
@@ -7952,7 +7950,7 @@ export interface BrowserContext {
   /**
    * Removes an event listener added by `on` or `addListener`.
    */
-  off(event: 'pageerror', listener: (pageError: PageError) => void): this;
+  off(event: 'weberror', listener: (webError: WebError) => void): this;
 
   /**
    * Removes an event listener added by `on` or `addListener`.
@@ -8066,11 +8064,10 @@ export interface BrowserContext {
   prependListener(event: 'page', listener: (page: Page) => void): this;
 
   /**
-   * Emitted when unhandled exceptions occur on any pages created through this context. To only listen for `pageError`
-   * events from a particular page, use
-   * [page.on('pageerror')](https://playwright.dev/docs/api/class-page#page-event-page-error).
+   * Emitted when exception is unhandled in any of the pages in this context. To listen for errors from a particular
+   * page, use [page.on('pageerror')](https://playwright.dev/docs/api/class-page#page-event-page-error) instead.
    */
-  prependListener(event: 'pageerror', listener: (pageError: PageError) => void): this;
+  prependListener(event: 'weberror', listener: (webError: WebError) => void): this;
 
   /**
    * Emitted when a request is issued from any pages created through this context. The [request] object is read-only. To
@@ -8659,11 +8656,10 @@ export interface BrowserContext {
   waitForEvent(event: 'page', optionsOrPredicate?: { predicate?: (page: Page) => boolean | Promise<boolean>, timeout?: number } | ((page: Page) => boolean | Promise<boolean>)): Promise<Page>;
 
   /**
-   * Emitted when unhandled exceptions occur on any pages created through this context. To only listen for `pageError`
-   * events from a particular page, use
-   * [page.on('pageerror')](https://playwright.dev/docs/api/class-page#page-event-page-error).
+   * Emitted when exception is unhandled in any of the pages in this context. To listen for errors from a particular
+   * page, use [page.on('pageerror')](https://playwright.dev/docs/api/class-page#page-event-page-error) instead.
    */
-  waitForEvent(event: 'pageerror', optionsOrPredicate?: { predicate?: (pageError: PageError) => boolean | Promise<boolean>, timeout?: number } | ((pageError: PageError) => boolean | Promise<boolean>)): Promise<PageError>;
+  waitForEvent(event: 'weberror', optionsOrPredicate?: { predicate?: (webError: WebError) => boolean | Promise<boolean>, timeout?: number } | ((webError: WebError) => boolean | Promise<boolean>)): Promise<WebError>;
 
   /**
    * Emitted when a request is issued from any pages created through this context. The [request] object is read-only. To
@@ -17960,35 +17956,6 @@ export interface Mouse {
   wheel(deltaX: number, deltaY: number): Promise<void>;
 }
 
-/**
- * {@link PageError} class represents objects created by context when there are unhandled execeptions thrown on the
- * pages and dispatched via the
- * [browserContext.on('pageerror')](https://playwright.dev/docs/api/class-browsercontext#browser-context-event-page-error)
- * event.
- *
- * ```js
- * // Log all uncaught errors to the terminal
- * context.on('pageerror', pageerror => {
- *   console.log(`Uncaught exception: "${pageerror.error()}"`);
- * });
- *
- * // Navigate to a page with an exception.
- * await page.goto('data:text/html,<script>throw new Error("Test")</script>');
- * ```
- *
- */
-export interface PageError {
-  /**
-   * Unhandled error that was thrown.
-   */
-  error(): Error;
-
-  /**
-   * The page that produced this unhandled exception, if any.
-   */
-  page(): null|Page;
-}
-
 /**
  * This object can be used to launch or connect to Chromium, returning instances of {@link Browser}.
  */
@@ -19024,6 +18991,34 @@ export interface Video {
   saveAs(path: string): Promise<void>;
 }
 
+/**
+ * {@link WebError} class represents an unhandled exeception thrown in the page. It is dispatched via the
+ * [browserContext.on('weberror')](https://playwright.dev/docs/api/class-browsercontext#browser-context-event-web-error)
+ * event.
+ *
+ * ```js
+ * // Log all uncaught errors to the terminal
+ * context.on('weberror', webError => {
+ *   console.log(`Uncaught exception: "${webError.error()}"`);
+ * });
+ *
+ * // Navigate to a page with an exception.
+ * await page.goto('data:text/html,<script>throw new Error("Test")</script>');
+ * ```
+ *
+ */
+export interface WebError {
+  /**
+   * Unhandled error that was thrown.
+   */
+  error(): Error;
+
+  /**
+   * The page that produced this unhandled exception, if any.
+   */
+  page(): null|Page;
+}
+
 /**
  * The {@link WebSocket} class represents websocket connections in the page.
  */

tests/library/browsercontext-events.spec.ts

@@ -161,11 +161,11 @@ test('dialog event should work with inline script tag', async ({ page, server })
   await expect.poll(() => popup.evaluate('window.result')).toBe('hello');
 });
 
-test('pageError event should work', async ({ page }) => {
-  const [pageerror] = await Promise.all([
-    page.context().waitForEvent('pageerror'),
+test('weberror event should work', async ({ page }) => {
+  const [webError] = await Promise.all([
+    page.context().waitForEvent('weberror'),
     page.setContent('<script>throw new Error("boom")</script>'),
   ]);
-  expect(pageerror.page()).toBe(page);
-  expect(pageerror.error().stack).toContain('boom');
+  expect(webError.page()).toBe(page);
+  expect(webError.error().stack).toContain('boom');
 });