chore: update Prettier and other deps (#10555)

.eslintignore

@@ -44,3 +44,5 @@ yarn-error.log*
 # ESLint ignores.
 assets/
 third_party/
+sandbox/
+ng-schematics/src/**/files/

.eslintplugin.js

@@ -1,4 +1,5 @@
-const prettier = require('prettier');
+const prettier = require('@prettier/sync');
+const prettierConfig = require('./.prettierrc.cjs');
 
 const cleanupBlockComment = value => {
   return value
@@ -18,12 +19,13 @@ const cleanupBlockComment = value => {
     .trim();
 };
 
-const format = (value, offset, prettierOptions) => {
+const format = (value, offset) => {
   return prettier
     .format(value, {
-      ...prettierOptions,
+      ...prettierConfig,
+      parser: 'markdown',
       // This is the print width minus 3 (the length of ` * `) and the offset.
-      printWidth: prettierOptions.printWidth - (offset + 3),
+      printWidth: 80 - (offset + 3),
     })
     .trim();
 };
@@ -57,17 +59,12 @@ const rule = {
   },
 
   create(context) {
-    const prettierOptions = {
-      printWidth: 80,
-      ...prettier.resolveConfig.sync(context.getPhysicalFilename()),
-      parser: 'markdown',
-    };
-    for (const comment of context.getSourceCode().getAllComments()) {
+    for (const comment of context.sourceCode.getAllComments()) {
       switch (comment.type) {
         case 'Block': {
           const offset = comment.loc.start.column;
           const value = cleanupBlockComment(comment.value);
-          const formattedValue = format(value, offset, prettierOptions);
+          const formattedValue = format(value, offset);
           if (formattedValue !== value) {
             context.report({
               node: comment,

.eslintrc.js

@@ -134,6 +134,7 @@ module.exports = {
       extends: [
         'plugin:@typescript-eslint/eslint-recommended',
         'plugin:@typescript-eslint/recommended',
+        'plugin:@typescript-eslint/stylistic',
       ],
       plugins: ['eslint-plugin-tsdoc', 'local'],
       rules: {
@@ -211,6 +212,7 @@ module.exports = {
           'error',
           {ignoreVoid: true, ignoreIIFE: true},
         ],
+        '@typescript-eslint/prefer-ts-expect-error': 'error',
       },
     },
   ],

docs/api/puppeteer.elementfor.md

@@ -8,7 +8,7 @@ sidebar_label: ElementFor
 
 ```typescript
 export type ElementFor<
-  TagName extends keyof HTMLElementTagNameMap | keyof SVGElementTagNameMap
+  TagName extends keyof HTMLElementTagNameMap | keyof SVGElementTagNameMap,
 > = TagName extends keyof HTMLElementTagNameMap
   ? HTMLElementTagNameMap[TagName]
   : TagName extends keyof SVGElementTagNameMap

docs/api/puppeteer.elementhandle.__eval.md

@@ -18,7 +18,7 @@ class ElementHandle {
     Func extends EvaluateFuncWith<
       Array<NodeFor<Selector>>,
       Params
-    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>
+    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>,
   >(
     selector: Selector,
     pageFunction: Func | string,

docs/api/puppeteer.elementhandle._eval.md

@@ -18,7 +18,7 @@ class ElementHandle {
     Func extends EvaluateFuncWith<NodeFor<Selector>, Params> = EvaluateFuncWith<
       NodeFor<Selector>,
       Params
-    >
+    >,
   >(
     selector: Selector,
     pageFunction: Func | string,

docs/api/puppeteer.frame.__eval.md

@@ -18,7 +18,7 @@ class Frame {
     Func extends EvaluateFuncWith<
       Array<NodeFor<Selector>>,
       Params
-    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>
+    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>,
   >(
     selector: Selector,
     pageFunction: Func | string,

docs/api/puppeteer.frame._eval.md

@@ -18,7 +18,7 @@ class Frame {
     Func extends EvaluateFuncWith<NodeFor<Selector>, Params> = EvaluateFuncWith<
       NodeFor<Selector>,
       Params
-    >
+    >,
   >(
     selector: Selector,
     pageFunction: Func | string,

docs/api/puppeteer.frame.evaluate.md

@@ -12,7 +12,7 @@ Behaves identically to [Page.evaluate()](./puppeteer.page.evaluate.md) except it
 class Frame {
   evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params

docs/api/puppeteer.frame.evaluatehandle.md

@@ -12,7 +12,7 @@ Behaves identically to [Page.evaluateHandle()](./puppeteer.page.evaluatehandle.m
 class Frame {
   evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params

docs/api/puppeteer.frame.waitforfunction.md

@@ -10,7 +10,7 @@ sidebar_label: Frame.waitForFunction
 class Frame {
   waitForFunction<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     options?: FrameWaitForFunctionOptions,

docs/api/puppeteer.jshandle.evaluate.md

@@ -12,7 +12,7 @@ Evaluates the given function with the current handle as its first argument.
 class JSHandle {
   evaluate<
     Params extends unknown[],
-    Func extends EvaluateFuncWith<T, Params> = EvaluateFuncWith<T, Params>
+    Func extends EvaluateFuncWith<T, Params> = EvaluateFuncWith<T, Params>,
   >(
     pageFunction: Func | string,
     ...args: Params

docs/api/puppeteer.jshandle.evaluatehandle.md

@@ -12,7 +12,7 @@ Evaluates the given function with the current handle as its first argument.
 class JSHandle {
   evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFuncWith<T, Params> = EvaluateFuncWith<T, Params>
+    Func extends EvaluateFuncWith<T, Params> = EvaluateFuncWith<T, Params>,
   >(
     pageFunction: Func | string,
     ...args: Params

docs/api/puppeteer.page.__eval.md

@@ -16,7 +16,7 @@ class Page {
     Func extends EvaluateFuncWith<
       Array<NodeFor<Selector>>,
       Params
-    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>
+    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>,
   >(
     selector: Selector,
     pageFunction: Func | string,

docs/api/puppeteer.page._eval.md

@@ -16,7 +16,7 @@ class Page {
     Func extends EvaluateFuncWith<NodeFor<Selector>, Params> = EvaluateFuncWith<
       NodeFor<Selector>,
       Params
-    >
+    >,
   >(
     selector: Selector,
     pageFunction: Func | string,

docs/api/puppeteer.page.evaluate.md

@@ -14,7 +14,7 @@ If the function passed to `page.evaluate` returns a Promise, the function will w
 class Page {
   evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params

docs/api/puppeteer.page.evaluatehandle.md

@@ -10,7 +10,7 @@ sidebar_label: Page.evaluateHandle
 class Page {
   evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params

docs/api/puppeteer.page.evaluateonnewdocument.md

@@ -18,7 +18,7 @@ The function is invoked after the document was created but before any of its scr
 class Page {
   evaluateOnNewDocument<
     Params extends unknown[],
-    Func extends (...args: Params) => unknown = (...args: Params) => unknown
+    Func extends (...args: Params) => unknown = (...args: Params) => unknown,
   >(
     pageFunction: Func | string,
     ...args: Params

docs/api/puppeteer.page.waitforfunction.md

@@ -12,7 +12,7 @@ Waits for a function to finish evaluating in the page's context.
 class Page {
   waitForFunction<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     options?: FrameWaitForFunctionOptions,

docs/api/puppeteer.webworker.evaluate.md

@@ -12,7 +12,7 @@ If the function passed to the `worker.evaluate` returns a Promise, then `worker.
 class WebWorker {
   evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params

docs/api/puppeteer.webworker.evaluatehandle.md

@@ -12,7 +12,7 @@ The only difference between `worker.evaluate` and `worker.evaluateHandle` is tha
 class WebWorker {
   evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params

docs/browsers-api/browsers.installedbrowser.md

@@ -2,17 +2,19 @@
 sidebar_label: InstalledBrowser
 ---
 
-# InstalledBrowser type
+# InstalledBrowser interface
 
 #### Signature:
 
 ```typescript
-export type InstalledBrowser = {
-  path: string;
-  browser: Browser;
-  buildId: string;
-  platform: BrowserPlatform;
-};
+export interface InstalledBrowser
 ```
 
-**References:** [Browser](./browsers.browser.md), [BrowserPlatform](./browsers.browserplatform.md)
+## Properties
+
+| Property | Modifiers | Type                                             | Description | Default |
+| -------- | --------- | ------------------------------------------------ | ----------- | ------- |
+| browser  |           | [Browser](./browsers.browser.md)                 |             |         |
+| buildId  |           | string                                           |             |         |
+| path     |           | string                                           |             |         |
+| platform |           | [BrowserPlatform](./browsers.browserplatform.md) |             |         |

docs/browsers-api/browsers.launchoptions.md

@@ -2,21 +2,25 @@
 sidebar_label: LaunchOptions
 ---
 
-# LaunchOptions type
+# LaunchOptions interface
 
 #### Signature:
 
 ```typescript
-export type LaunchOptions = {
-  executablePath: string;
-  pipe?: boolean;
-  dumpio?: boolean;
-  args?: string[];
-  env?: Record<string, string | undefined>;
-  handleSIGINT?: boolean;
-  handleSIGTERM?: boolean;
-  handleSIGHUP?: boolean;
-  detached?: boolean;
-  onExit?: () => Promise<void>;
-};
+export interface LaunchOptions
 ```
+
+## Properties
+
+| Property       | Modifiers             | Type                                      | Description | Default |
+| -------------- | --------------------- | ----------------------------------------- | ----------- | ------- |
+| args           | <code>optional</code> | string\[\]                                |             |         |
+| detached       | <code>optional</code> | boolean                                   |             |         |
+| dumpio         | <code>optional</code> | boolean                                   |             |         |
+| env            | <code>optional</code> | Record&lt;string, string \| undefined&gt; |             |         |
+| executablePath |                       | string                                    |             |         |
+| handleSIGHUP   | <code>optional</code> | boolean                                   |             |         |
+| handleSIGINT   | <code>optional</code> | boolean                                   |             |         |
+| handleSIGTERM  | <code>optional</code> | boolean                                   |             |         |
+| onExit         | <code>optional</code> | () =&gt; Promise&lt;void&gt;              |             |         |
+| pipe           | <code>optional</code> | boolean                                   |             |         |

docs/browsers-api/index.md

@@ -68,7 +68,9 @@ The programmatic API allows installing and launching browsers from your code. Se
 | Interface                                                                | Description |
 | ------------------------------------------------------------------------ | ----------- |
 | [GetInstalledBrowsersOptions](./browsers.getinstalledbrowsersoptions.md) |             |
+| [InstalledBrowser](./browsers.installedbrowser.md)                       |             |
 | [InstallOptions](./browsers.installoptions.md)                           |             |
+| [LaunchOptions](./browsers.launchoptions.md)                             |             |
 | [Options](./browsers.options.md)                                         |             |
 | [ProfileOptions](./browsers.profileoptions.md)                           |             |
 | [SystemOptions](./browsers.systemoptions.md)                             |             |
@@ -80,10 +82,3 @@ The programmatic API allows installing and launching browsers from your code. Se
 | ------------------------------------------------------------------------------------------------ | ----------- |
 | [CDP_WEBSOCKET_ENDPOINT_REGEX](./browsers.cdp_websocket_endpoint_regex.md)                       |             |
 | [WEBDRIVER_BIDI_WEBSOCKET_ENDPOINT_REGEX](./browsers.webdriver_bidi_websocket_endpoint_regex.md) |             |
-
-## Type Aliases
-
-| Type Alias                                         | Description |
-| -------------------------------------------------- | ----------- |
-| [InstalledBrowser](./browsers.installedbrowser.md) |             |
-| [LaunchOptions](./browsers.launchoptions.md)       |             |

docs/index.md

@@ -143,9 +143,11 @@ The following example searches [developer.chrome.com](https://developer.chrome.c
 import puppeteer from 'puppeteer';
 
 (async () => {
+  // Launch the browser and open a new blank page
   const browser = await puppeteer.launch();
   const page = await browser.newPage();
 
+  // Navigate the page to a URL
   await page.goto('https://developer.chrome.com/');
 
   // Set screen size

package.json

@@ -123,11 +123,12 @@
   },
   "devDependencies": {
     "@actions/core": "1.10.0",
-    "@microsoft/api-documenter": "7.22.10",
-    "@microsoft/api-extractor": "7.35.1",
-    "@microsoft/api-extractor-model": "7.27.1",
+    "@microsoft/api-documenter": "7.22.27",
+    "@microsoft/api-extractor": "7.36.2",
+    "@microsoft/api-extractor-model": "7.27.4",
     "@pptr/testserver": "file:packages/testserver",
-    "@rollup/plugin-commonjs": "25.0.0",
+    "@prettier/sync": "0.2.1",
+    "@rollup/plugin-commonjs": "25.0.2",
     "@rollup/plugin-node-resolve": "15.1.0",
     "@types/debug": "4.1.8",
     "@types/diff": "5.0.3",
@@ -141,25 +142,25 @@
     "@types/sinon": "10.0.15",
     "@types/tar-fs": "2.0.1",
     "@types/unbzip2-stream": "1.4.0",
-    "@types/ws": "8.5.4",
-    "@typescript-eslint/eslint-plugin": "5.59.9",
-    "@typescript-eslint/parser": "5.59.9",
-    "c8": "7.14.0",
+    "@types/ws": "8.5.5",
+    "@typescript-eslint/eslint-plugin": "6.0.0",
+    "@typescript-eslint/parser": "6.0.0",
+    "c8": "8.0.0",
     "commonmark": "0.30.0",
     "cross-env": "7.0.3",
     "diff": "5.1.0",
-    "esbuild": "0.17.19",
-    "eslint": "8.42.0",
+    "esbuild": "0.18.12",
+    "eslint": "8.44.0",
     "eslint-config-prettier": "8.8.0",
     "eslint-formatter-codeframe": "7.32.1",
     "eslint-plugin-import": "2.27.5",
     "eslint-plugin-local": "1.0.0",
     "eslint-plugin-mocha": "10.1.0",
-    "eslint-plugin-prettier": "4.2.1",
+    "eslint-plugin-prettier": "5.0.0",
     "eslint-plugin-tsdoc": "0.2.17",
-    "eslint-plugin-unused-imports": "2.0.0",
+    "eslint-plugin-unused-imports": "3.0.0",
     "esprima": "4.0.1",
-    "expect": "29.5.0",
+    "expect": "29.6.1",
     "glob": "10.3.3",
     "gts": "4.0.1",
     "jpeg-js": "0.4.4",
@@ -171,20 +172,20 @@
     "npm-run-all": "4.1.5",
     "pixelmatch": "5.3.0",
     "pngjs": "7.0.0",
-    "prettier": "2.8.8",
+    "prettier": "3.0.0",
     "puppeteer": "file:packages/puppeteer",
     "rimraf": "5.0.1",
-    "rollup": "3.24.0",
-    "semver": "7.5.1",
-    "sinon": "15.1.0",
+    "rollup": "3.26.2",
+    "semver": "7.5.4",
+    "sinon": "15.2.0",
     "source-map-support": "0.5.21",
     "spdx-satisfies": "5.0.1",
     "text-diff": "1.0.1",
     "tsd": "0.28.1",
     "tsx": "3.12.7",
-    "typescript": "5.1.3",
-    "wireit": "0.9.5",
-    "zod": "3.21.2"
+    "typescript": "5.1.6",
+    "wireit": "0.10.0",
+    "zod": "3.21.4"
   },
   "workspaces": [
     "packages/*",

packages/browsers/src/CLI.ts

@@ -37,7 +37,7 @@ import {
   launch,
 } from './launch.js';
 
-type InstallArgs = {
+interface InstallArgs {
   browser: {
     name: Browser;
     buildId: string;
@@ -45,9 +45,9 @@ type InstallArgs = {
   path?: string;
   platform?: BrowserPlatform;
   baseUrl?: string;
-};
+}
 
-type LaunchArgs = {
+interface LaunchArgs {
   browser: {
     name: Browser;
     buildId: string;
@@ -56,11 +56,11 @@ type LaunchArgs = {
   platform?: BrowserPlatform;
   detached: boolean;
   system: boolean;
-};
+}
 
-type ClearArgs = {
+interface ClearArgs {
   path?: string;
-};
+}
 
 /**
  * @public

packages/browsers/src/Cache.ts

@@ -22,12 +22,12 @@ import {Browser, BrowserPlatform} from './browser-data/browser-data.js';
 /**
  * @public
  */
-export type InstalledBrowser = {
+export interface InstalledBrowser {
   path: string;
   browser: Browser;
   buildId: string;
   platform: BrowserPlatform;
-};
+}
 
 /**
  * The cache used by Puppeteer relies on the following structure:

packages/browsers/src/browser-data/chrome.ts

@@ -80,9 +80,7 @@ export async function getLastKnownGoodReleaseForChannel(
       'https://googlechromelabs.github.io/chrome-for-testing/last-known-good-versions.json'
     )
   )) as {
-    channels: {
-      [channel: string]: {version: string};
-    };
+    channels: Record<string, {version: string}>;
   };
 
   for (const channel of Object.keys(data.channels)) {

packages/browsers/src/browser-data/firefox.ts

@@ -70,9 +70,7 @@ export async function resolveBuildId(
 ): Promise<string> {
   const versions = (await getJSON(
     new URL('https://product-details.mozilla.org/1.0/firefox_versions.json')
-  )) as {
-    [channel: string]: string;
-  };
+  )) as Record<string, string>;
   const version = versions[channel];
   if (!version) {
     throw new Error(`Channel ${channel} is not found.`);

packages/browsers/src/launch.ts

@@ -129,7 +129,7 @@ export function computeSystemExecutablePath(options: SystemOptions): string {
 /**
  * @public
  */
-export type LaunchOptions = {
+export interface LaunchOptions {
   executablePath: string;
   pipe?: boolean;
   dumpio?: boolean;
@@ -140,7 +140,7 @@ export type LaunchOptions = {
   handleSIGHUP?: boolean;
   detached?: boolean;
   onExit?: () => Promise<void>;
-};
+}
 
 /**
  * @public

packages/puppeteer-core/src/api/ElementHandle.ts

@@ -135,7 +135,7 @@ export interface Point {
  */
 
 export class ElementHandle<
-  ElementType extends Node = Element
+  ElementType extends Node = Element,
 > extends JSHandle<ElementType> {
   /**
    * @internal
@@ -195,7 +195,7 @@ export class ElementHandle<
     Func extends EvaluateFuncWith<ElementType, Params> = EvaluateFuncWith<
       ElementType,
       Params
-    >
+    >,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -211,7 +211,7 @@ export class ElementHandle<
     Func extends EvaluateFuncWith<ElementType, Params> = EvaluateFuncWith<
       ElementType,
       Params
-    >
+    >,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -329,7 +329,7 @@ export class ElementHandle<
     Func extends EvaluateFuncWith<NodeFor<Selector>, Params> = EvaluateFuncWith<
       NodeFor<Selector>,
       Params
-    >
+    >,
   >(
     selector: Selector,
     pageFunction: Func | string,
@@ -386,7 +386,7 @@ export class ElementHandle<
     Func extends EvaluateFuncWith<
       Array<NodeFor<Selector>>,
       Params
-    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>
+    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>,
   >(
     selector: Selector,
     pageFunction: Func | string,
@@ -394,9 +394,12 @@ export class ElementHandle<
   ): Promise<Awaited<ReturnType<Func>>> {
     pageFunction = withSourcePuppeteerURLIfNone(this.$$eval.name, pageFunction);
     const results = await this.$$(selector);
-    const elements = await this.evaluateHandle((_, ...elements) => {
-      return elements;
-    }, ...results);
+    const elements = await this.evaluateHandle(
+      (_, ...elements) => {
+        return elements;
+      },
+      ...results
+    );
     const [result] = await Promise.all([
       elements.evaluate(pageFunction, ...args),
       ...results.map(results => {
@@ -606,7 +609,7 @@ export class ElementHandle<
    * automatically disposed.**
    */
   async toElement<
-    K extends keyof HTMLElementTagNameMap | keyof SVGElementTagNameMap
+    K extends keyof HTMLElementTagNameMap | keyof SVGElementTagNameMap,
   >(tagName: K): Promise<HandleFor<ElementFor<K>>> {
     const isMatchingTagName = await this.evaluate((node, tagName) => {
       return node.nodeName === tagName.toUpperCase();

packages/puppeteer-core/src/api/Frame.ts

@@ -48,7 +48,7 @@ export interface Realm {
     Params extends unknown[],
     Func extends EvaluateFunc<InnerLazyParams<Params>> = EvaluateFunc<
       InnerLazyParams<Params>
-    >
+    >,
   >(
     pageFunction: Func | string,
     options: {
@@ -63,14 +63,14 @@ export interface Realm {
   transferHandle<T extends JSHandle<Node>>(handle: T): Promise<T>;
   evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
   ): Promise<HandleFor<Awaited<ReturnType<Func>>>>;
   evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -382,14 +382,14 @@ export class Frame {
    */
   async evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
   ): Promise<HandleFor<Awaited<ReturnType<Func>>>>;
   async evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(): Promise<HandleFor<Awaited<ReturnType<Func>>>> {
     throw new Error('Not implemented');
   }
@@ -402,14 +402,14 @@ export class Frame {
    */
   async evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
   ): Promise<Awaited<ReturnType<Func>>>;
   async evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(): Promise<Awaited<ReturnType<Func>>> {
     throw new Error('Not implemented');
   }
@@ -484,7 +484,7 @@ export class Frame {
     Func extends EvaluateFuncWith<NodeFor<Selector>, Params> = EvaluateFuncWith<
       NodeFor<Selector>,
       Params
-    >
+    >,
   >(
     selector: Selector,
     pageFunction: Func | string,
@@ -496,7 +496,7 @@ export class Frame {
     Func extends EvaluateFuncWith<NodeFor<Selector>, Params> = EvaluateFuncWith<
       NodeFor<Selector>,
       Params
-    >
+    >,
   >(): Promise<Awaited<ReturnType<Func>>> {
     throw new Error('Not implemented');
   }
@@ -527,7 +527,7 @@ export class Frame {
     Func extends EvaluateFuncWith<
       Array<NodeFor<Selector>>,
       Params
-    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>
+    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>,
   >(
     selector: Selector,
     pageFunction: Func | string,
@@ -539,7 +539,7 @@ export class Frame {
     Func extends EvaluateFuncWith<
       Array<NodeFor<Selector>>,
       Params
-    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>
+    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>,
   >(): Promise<Awaited<ReturnType<Func>>> {
     throw new Error('Not implemented');
   }
@@ -674,7 +674,7 @@ export class Frame {
    */
   waitForFunction<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     options: FrameWaitForFunctionOptions = {},

packages/puppeteer-core/src/api/HTTPRequest.ts

@@ -500,7 +500,7 @@ export function headersArray(
  * List taken from {@link https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml}
  * with extra 306 and 418 codes.
  */
-export const STATUS_TEXTS: {[key: string]: string | undefined} = {
+export const STATUS_TEXTS: Record<string, string | undefined> = {
   '100': 'Continue',
   '101': 'Switching Protocols',
   '102': 'Processing',

packages/puppeteer-core/src/api/JSHandle.ts

@@ -82,7 +82,7 @@ export class JSHandle<T = unknown> {
    */
   async evaluate<
     Params extends unknown[],
-    Func extends EvaluateFuncWith<T, Params> = EvaluateFuncWith<T, Params>
+    Func extends EvaluateFuncWith<T, Params> = EvaluateFuncWith<T, Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -97,7 +97,7 @@ export class JSHandle<T = unknown> {
    */
   async evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFuncWith<T, Params> = EvaluateFuncWith<T, Params>
+    Func extends EvaluateFuncWith<T, Params> = EvaluateFuncWith<T, Params>,
   >(
     pageFunction: Func | string,
     ...args: Params

packages/puppeteer-core/src/api/Page.ts

@@ -930,14 +930,14 @@ export class Page extends EventEmitter {
    */
   async evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
   ): Promise<HandleFor<Awaited<ReturnType<Func>>>>;
   async evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(): Promise<HandleFor<Awaited<ReturnType<Func>>>> {
     throw new Error('Not implemented');
   }
@@ -1040,7 +1040,7 @@ export class Page extends EventEmitter {
     Func extends EvaluateFuncWith<NodeFor<Selector>, Params> = EvaluateFuncWith<
       NodeFor<Selector>,
       Params
-    >
+    >,
   >(
     selector: Selector,
     pageFunction: Func | string,
@@ -1118,7 +1118,7 @@ export class Page extends EventEmitter {
     Func extends EvaluateFuncWith<
       Array<NodeFor<Selector>>,
       Params
-    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>
+    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>,
   >(
     selector: Selector,
     pageFunction: Func | string,
@@ -2167,14 +2167,14 @@ export class Page extends EventEmitter {
    */
   async evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
   ): Promise<Awaited<ReturnType<Func>>>;
   async evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(): Promise<Awaited<ReturnType<Func>>> {
     throw new Error('Not implemented');
   }
@@ -2213,7 +2213,7 @@ export class Page extends EventEmitter {
    */
   async evaluateOnNewDocument<
     Params extends unknown[],
-    Func extends (...args: Params) => unknown = (...args: Params) => unknown
+    Func extends (...args: Params) => unknown = (...args: Params) => unknown,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -2773,7 +2773,7 @@ export class Page extends EventEmitter {
    */
   waitForFunction<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     options?: FrameWaitForFunctionOptions,

packages/puppeteer-core/src/common/AriaQueryHandler.ts

@@ -40,7 +40,10 @@ const queryAXTree = async (
   });
 };
 
-type ARIASelector = {name?: string; role?: string};
+interface ARIASelector {
+  name?: string;
+  role?: string;
+}
 
 const KNOWN_ATTRIBUTES = Object.freeze(['name', 'role']);
 const isKnownAttribute = (

packages/puppeteer-core/src/common/ChromeTargetManager.ts

@@ -50,17 +50,16 @@ export class ChromeTargetManager extends EventEmitter implements TargetManager {
    *
    * `targetFilterCallback` has no effect on this map.
    */
-  #discoveredTargetsByTargetId: Map<string, Protocol.Target.TargetInfo> =
-    new Map();
+  #discoveredTargetsByTargetId = new Map<string, Protocol.Target.TargetInfo>();
   /**
    * A target is added to this map once ChromeTargetManager has created
    * a Target and attached at least once to it.
    */
-  #attachedTargetsByTargetId: Map<string, Target> = new Map();
+  #attachedTargetsByTargetId = new Map<string, Target>();
   /**
    * Tracks which sessions attach to which target.
    */
-  #attachedTargetsBySessionId: Map<string, Target> = new Map();
+  #attachedTargetsBySessionId = new Map<string, Target>();
   /**
    * If a target was filtered out by `targetFilterCallback`, we still receive
    * events about it from CDP, but we don't forward them to the rest of Puppeteer.
@@ -69,20 +68,22 @@ export class ChromeTargetManager extends EventEmitter implements TargetManager {
   #targetFilterCallback: TargetFilterCallback | undefined;
   #targetFactory: TargetFactory;
 
-  #targetInterceptors: WeakMap<CDPSession | Connection, TargetInterceptor[]> =
-    new WeakMap();
+  #targetInterceptors = new WeakMap<
+    CDPSession | Connection,
+    TargetInterceptor[]
+  >();
 
-  #attachedToTargetListenersBySession: WeakMap<
+  #attachedToTargetListenersBySession = new WeakMap<
     CDPSession | Connection,
     (event: Protocol.Target.AttachedToTargetEvent) => Promise<void>
-  > = new WeakMap();
-  #detachedFromTargetListenersBySession: WeakMap<
+  >();
+  #detachedFromTargetListenersBySession = new WeakMap<
     CDPSession | Connection,
     (event: Protocol.Target.DetachedFromTargetEvent) => void
-  > = new WeakMap();
+  >();
 
   #initializeDeferred = Deferred.create<void>();
-  #targetsIdsForInit: Set<string> = new Set();
+  #targetsIdsForInit = new Set<string>();
 
   constructor(
     connection: Connection,

packages/puppeteer-core/src/common/Connection.ts

@@ -116,7 +116,7 @@ export class Callback {
  * @internal
  */
 export class CallbackRegistry {
-  #callbacks: Map<number, Callback> = new Map();
+  #callbacks = new Map<number, Callback>();
   #idGenerator = createIncrementalIdGenerator();
 
   create(
@@ -197,7 +197,7 @@ export class Connection extends EventEmitter {
   #transport: ConnectionTransport;
   #delay: number;
   #timeout: number;
-  #sessions: Map<string, CDPSessionImpl> = new Map();
+  #sessions = new Map<string, CDPSessionImpl>();
   #closed = false;
   #manuallyAttached = new Set<string>();
   #callbacks = new CallbackRegistry();

packages/puppeteer-core/src/common/ElementHandle.ts

@@ -57,7 +57,7 @@ const applyOffsetsToQuad = (
  * @internal
  */
 export class CDPElementHandle<
-  ElementType extends Node = Element
+  ElementType extends Node = Element,
 > extends ElementHandle<ElementType> {
   #frame: Frame;
   declare handle: CDPJSHandle<ElementType>;

packages/puppeteer-core/src/common/ExecutionContext.ts

@@ -105,9 +105,12 @@ export class ExecutionContext {
             selector: string
           ): Promise<JSHandle<Node[]>> => {
             const results = ARIAQueryHandler.queryAll(element, selector);
-            return element.executionContext().evaluateHandle((...elements) => {
-              return elements;
-            }, ...(await AsyncIterableUtil.collect(results)));
+            return element.executionContext().evaluateHandle(
+              (...elements) => {
+                return elements;
+              },
+              ...(await AsyncIterableUtil.collect(results))
+            );
           }) as (...args: unknown[]) => unknown)
         ),
       ]);
@@ -181,7 +184,7 @@ export class ExecutionContext {
    */
   async evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -240,7 +243,7 @@ export class ExecutionContext {
    */
   async evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -250,7 +253,7 @@ export class ExecutionContext {
 
   async #evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     returnByValue: true,
     pageFunction: Func | string,
@@ -258,7 +261,7 @@ export class ExecutionContext {
   ): Promise<Awaited<ReturnType<Func>>>;
   async #evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     returnByValue: false,
     pageFunction: Func | string,
@@ -266,7 +269,7 @@ export class ExecutionContext {
   ): Promise<HandleFor<Awaited<ReturnType<Func>>>>;
   async #evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     returnByValue: boolean,
     pageFunction: Func | string,

packages/puppeteer-core/src/common/FirefoxTargetManager.ts

@@ -59,19 +59,18 @@ export class FirefoxTargetManager
    *
    * `targetFilterCallback` has no effect on this map.
    */
-  #discoveredTargetsByTargetId: Map<string, Protocol.Target.TargetInfo> =
-    new Map();
+  #discoveredTargetsByTargetId = new Map<string, Protocol.Target.TargetInfo>();
   /**
    * Keeps track of targets that were created via 'Target.targetCreated'
    * and which one are not filtered out by `targetFilterCallback`.
    *
    * The target is removed from here once it's been destroyed.
    */
-  #availableTargetsByTargetId: Map<string, Target> = new Map();
+  #availableTargetsByTargetId = new Map<string, Target>();
   /**
    * Tracks which sessions attach to which target.
    */
-  #availableTargetsBySessionId: Map<string, Target> = new Map();
+  #availableTargetsBySessionId = new Map<string, Target>();
   /**
    * If a target was filtered out by `targetFilterCallback`, we still receive
    * events about it from CDP, but we don't forward them to the rest of Puppeteer.
@@ -80,16 +79,18 @@ export class FirefoxTargetManager
   #targetFilterCallback: TargetFilterCallback | undefined;
   #targetFactory: TargetFactory;
 
-  #targetInterceptors: WeakMap<CDPSession | Connection, TargetInterceptor[]> =
-    new WeakMap();
+  #targetInterceptors = new WeakMap<
+    CDPSession | Connection,
+    TargetInterceptor[]
+  >();
 
-  #attachedToTargetListenersBySession: WeakMap<
+  #attachedToTargetListenersBySession = new WeakMap<
     CDPSession | Connection,
     (event: Protocol.Target.AttachedToTargetEvent) => Promise<void>
-  > = new WeakMap();
+  >();
 
   #initializeDeferred = Deferred.create<void>();
-  #targetsIdsForInit: Set<string> = new Set();
+  #targetsIdsForInit = new Set<string>();
 
   constructor(
     connection: Connection,

packages/puppeteer-core/src/common/Frame.ts

@@ -231,7 +231,7 @@ export class Frame extends BaseFrame {
 
   override async evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -245,7 +245,7 @@ export class Frame extends BaseFrame {
 
   override async evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -275,7 +275,7 @@ export class Frame extends BaseFrame {
     Func extends EvaluateFuncWith<NodeFor<Selector>, Params> = EvaluateFuncWith<
       NodeFor<Selector>,
       Params
-    >
+    >,
   >(
     selector: Selector,
     pageFunction: Func | string,
@@ -291,7 +291,7 @@ export class Frame extends BaseFrame {
     Func extends EvaluateFuncWith<
       Array<NodeFor<Selector>>,
       Params
-    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>
+    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>,
   >(
     selector: Selector,
     pageFunction: Func | string,

packages/puppeteer-core/src/common/IsolatedWorld.ts

@@ -182,7 +182,7 @@ export class IsolatedWorld implements Realm {
 
   async evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -197,7 +197,7 @@ export class IsolatedWorld implements Realm {
 
   async evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -246,7 +246,7 @@ export class IsolatedWorld implements Realm {
     Func extends EvaluateFuncWith<NodeFor<Selector>, Params> = EvaluateFuncWith<
       NodeFor<Selector>,
       Params
-    >
+    >,
   >(
     selector: Selector,
     pageFunction: Func | string,
@@ -263,7 +263,7 @@ export class IsolatedWorld implements Realm {
     Func extends EvaluateFuncWith<
       Array<NodeFor<Selector>>,
       Params
-    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>
+    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>,
   >(
     selector: Selector,
     pageFunction: Func | string,
@@ -444,7 +444,7 @@ export class IsolatedWorld implements Realm {
     Params extends unknown[],
     Func extends EvaluateFunc<InnerLazyParams<Params>> = EvaluateFunc<
       InnerLazyParams<Params>
-    >
+    >,
   >(
     pageFunction: Func | string,
     options: {

packages/puppeteer-core/src/common/JSHandle.ts

@@ -71,7 +71,7 @@ export class CDPJSHandle<T = unknown> extends JSHandle<T> {
    */
   override async evaluate<
     Params extends unknown[],
-    Func extends EvaluateFuncWith<T, Params> = EvaluateFuncWith<T, Params>
+    Func extends EvaluateFuncWith<T, Params> = EvaluateFuncWith<T, Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -88,7 +88,7 @@ export class CDPJSHandle<T = unknown> extends JSHandle<T> {
    */
   override async evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFuncWith<T, Params> = EvaluateFuncWith<T, Params>
+    Func extends EvaluateFuncWith<T, Params> = EvaluateFuncWith<T, Params>,
   >(
     pageFunction: Func | string,
     ...args: Params

packages/puppeteer-core/src/common/NetworkEventManager.ts

@@ -21,11 +21,11 @@ import {HTTPRequest} from './HTTPRequest.js';
 /**
  * @internal
  */
-export type QueuedEventGroup = {
+export interface QueuedEventGroup {
   responseReceivedEvent: Protocol.Network.ResponseReceivedEvent;
   loadingFinishedEvent?: Protocol.Network.LoadingFinishedEvent;
   loadingFailedEvent?: Protocol.Network.LoadingFailedEvent;
-};
+}
 
 /**
  * @internal
@@ -35,10 +35,10 @@ export type FetchRequestId = string;
 /**
  * @internal
  */
-export type RedirectInfo = {
+export interface RedirectInfo {
   event: Protocol.Network.RequestWillBeSentEvent;
   fetchRequestId?: FetchRequestId;
-};
+}
 type RedirectInfoList = RedirectInfo[];
 
 /**

packages/puppeteer-core/src/common/Page.ts

@@ -495,7 +495,7 @@ export class CDPPage extends Page {
 
   override async evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -1076,7 +1076,7 @@ export class CDPPage extends Page {
 
   override async evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -1090,7 +1090,7 @@ export class CDPPage extends Page {
 
   override async evaluateOnNewDocument<
     Params extends unknown[],
-    Func extends (...args: Params) => unknown = (...args: Params) => unknown
+    Func extends (...args: Params) => unknown = (...args: Params) => unknown,
   >(
     pageFunction: Func | string,
     ...args: Params

packages/puppeteer-core/src/common/WebWorker.ts

@@ -149,7 +149,7 @@ export class WebWorker extends EventEmitter {
    */
   async evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -176,7 +176,7 @@ export class WebWorker extends EventEmitter {
    */
   async evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params

packages/puppeteer-core/src/common/bidi/Connection.ts

@@ -26,7 +26,7 @@ import {BrowsingContext} from './BrowsingContext.js';
 const debugProtocolSend = debug('puppeteer:webDriverBiDi:SEND ►');
 const debugProtocolReceive = debug('puppeteer:webDriverBiDi:RECV ◀');
 
-type Capability = {
+interface Capability {
   // session.CapabilityRequest = {
   //   ? acceptInsecureCerts: bool,
   //   ? browserName: text,
@@ -47,7 +47,7 @@ type Capability = {
   acceptInsecureCerts?: boolean;
   browserName?: string;
   browserVersion?: string;
-};
+}
 
 /**
  * @internal
@@ -155,7 +155,7 @@ export class Connection extends EventEmitter {
   #timeout? = 0;
   #closed = false;
   #callbacks = new CallbackRegistry();
-  #browsingContexts: Map<string, BrowsingContext> = new Map();
+  #browsingContexts = new Map<string, BrowsingContext>();
 
   constructor(
     url: string,

packages/puppeteer-core/src/common/bidi/ElementHandle.ts

@@ -32,7 +32,7 @@ import {Realm} from './Realm.js';
  * @internal
  */
 export class ElementHandle<
-  ElementType extends Node = Element
+  ElementType extends Node = Element,
 > extends BaseElementHandle<ElementType> {
   declare handle: JSHandle<ElementType>;
   #frame: Frame;

packages/puppeteer-core/src/common/bidi/Frame.ts

@@ -104,7 +104,7 @@ export class Frame extends BaseFrame {
 
   override async evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -114,7 +114,7 @@ export class Frame extends BaseFrame {
 
   override async evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -175,7 +175,7 @@ export class Frame extends BaseFrame {
     Func extends EvaluateFuncWith<NodeFor<Selector>, Params> = EvaluateFuncWith<
       NodeFor<Selector>,
       Params
-    >
+    >,
   >(
     selector: Selector,
     pageFunction: string | Func,
@@ -191,7 +191,7 @@ export class Frame extends BaseFrame {
     Func extends EvaluateFuncWith<
       Array<NodeFor<Selector>>,
       Params
-    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>
+    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>,
   >(
     selector: Selector,
     pageFunction: string | Func,

packages/puppeteer-core/src/common/bidi/JSHandle.ts

@@ -46,7 +46,7 @@ export class JSHandle<T = unknown> extends BaseJSHandle<T> {
 
   override async evaluate<
     Params extends unknown[],
-    Func extends EvaluateFuncWith<T, Params> = EvaluateFuncWith<T, Params>
+    Func extends EvaluateFuncWith<T, Params> = EvaluateFuncWith<T, Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -60,7 +60,7 @@ export class JSHandle<T = unknown> extends BaseJSHandle<T> {
 
   override async evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFuncWith<T, Params> = EvaluateFuncWith<T, Params>
+    Func extends EvaluateFuncWith<T, Params> = EvaluateFuncWith<T, Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -97,7 +97,7 @@ export class JSHandle<T = unknown> extends BaseJSHandle<T> {
       }
       return enumerableKeys;
     });
-    const map: Map<string, BaseJSHandle> = new Map();
+    const map = new Map<string, BaseJSHandle>();
     const results = await Promise.all(
       keys.map(key => {
         return this.getProperty(key);

packages/puppeteer-core/src/common/bidi/Page.ts

@@ -349,7 +349,7 @@ export class Page extends PageBase {
 
   override async evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -363,7 +363,7 @@ export class Page extends PageBase {
 
   override async evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params

packages/puppeteer-core/src/common/bidi/Realm.ts

@@ -66,7 +66,7 @@ export class Realm extends EventEmitter {
 
   async evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -76,7 +76,7 @@ export class Realm extends EventEmitter {
 
   async evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -86,7 +86,7 @@ export class Realm extends EventEmitter {
 
   async #evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     returnByValue: true,
     pageFunction: Func | string,
@@ -94,7 +94,7 @@ export class Realm extends EventEmitter {
   ): Promise<Awaited<ReturnType<Func>>>;
   async #evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     returnByValue: false,
     pageFunction: Func | string,
@@ -102,7 +102,7 @@ export class Realm extends EventEmitter {
   ): Promise<HandleFor<Awaited<ReturnType<Func>>>>;
   async #evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     returnByValue: boolean,
     pageFunction: Func | string,

packages/puppeteer-core/src/common/bidi/Sandbox.ts

@@ -105,7 +105,7 @@ export class Sandbox implements RealmBase {
     Func extends EvaluateFuncWith<NodeFor<Selector>, Params> = EvaluateFuncWith<
       NodeFor<Selector>,
       Params
-    >
+    >,
   >(
     selector: Selector,
     pageFunction: Func | string,
@@ -122,7 +122,7 @@ export class Sandbox implements RealmBase {
     Func extends EvaluateFuncWith<
       Array<NodeFor<Selector>>,
       Params
-    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>
+    > = EvaluateFuncWith<Array<NodeFor<Selector>>, Params>,
   >(
     selector: Selector,
     pageFunction: Func | string,
@@ -140,7 +140,7 @@ export class Sandbox implements RealmBase {
 
   async evaluateHandle<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -154,7 +154,7 @@ export class Sandbox implements RealmBase {
 
   async evaluate<
     Params extends unknown[],
-    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>
+    Func extends EvaluateFunc<Params> = EvaluateFunc<Params>,
   >(
     pageFunction: Func | string,
     ...args: Params
@@ -188,7 +188,7 @@ export class Sandbox implements RealmBase {
     Params extends unknown[],
     Func extends EvaluateFunc<InnerLazyParams<Params>> = EvaluateFunc<
       InnerLazyParams<Params>
-    >
+    >,
   >(
     pageFunction: Func | string,
     options: {

packages/puppeteer-core/src/common/bidi/Serializer.ts

@@ -247,7 +247,7 @@ export class BidiSerializer {
 
   static deserializeTuple([serializedKey, serializedValue]: [
     Bidi.CommonDataTypes.RemoteValue | string,
-    Bidi.CommonDataTypes.RemoteValue
+    Bidi.CommonDataTypes.RemoteValue,
   ]): {key: unknown; value: unknown} {
     const key =
       typeof serializedKey === 'string'

packages/puppeteer-core/src/common/types.ts

@@ -22,7 +22,7 @@ import type {LazyArg} from './LazyArg.js';
 /**
  * @internal
  */
-export type BindingPayload = {
+export interface BindingPayload {
   type: string;
   name: string;
   seq: number;
@@ -31,7 +31,7 @@ export type BindingPayload = {
    * Determines whether the arguments of the payload are trivial.
    */
   isTrivial: boolean;
-};
+}
 
 /**
  * @internal
@@ -86,7 +86,7 @@ export type InnerParams<T extends unknown[]> = {
  * @public
  */
 export type ElementFor<
-  TagName extends keyof HTMLElementTagNameMap | keyof SVGElementTagNameMap
+  TagName extends keyof HTMLElementTagNameMap | keyof SVGElementTagNameMap,
 > = TagName extends keyof HTMLElementTagNameMap
   ? HTMLElementTagNameMap[TagName]
   : TagName extends keyof SVGElementTagNameMap
@@ -144,7 +144,7 @@ type TypeSelectorOfCompoundSelector<CompoundSelector extends string> =
 
 type Last<Arr extends NonEmptyReadonlyArray<unknown>> = Arr extends [
   infer Head,
-  ...infer Tail
+  ...infer Tail,
 ]
   ? Tail extends NonEmptyReadonlyArray<unknown>
     ? Last<Tail>
@@ -165,7 +165,7 @@ type CompoundSelectorsOfComplexSelector<ComplexSelector extends string> =
 
 type SplitWithDelemiters<
   Input extends string,
-  Delemiters extends readonly string[]
+  Delemiters extends readonly string[],
 > = Delemiters extends [infer FirstDelemiter, ...infer RestDelemiters]
   ? FirstDelemiter extends string
     ? RestDelemiters extends readonly string[]
@@ -181,7 +181,7 @@ type CombinatorTokens = [' ', '>', '+', '~', '|', '|'];
 type Drop<
   Arr extends readonly unknown[],
   Remove,
-  Acc extends unknown[] = []
+  Acc extends unknown[] = [],
 > = Arr extends [infer Head, ...infer Tail]
   ? Head extends Remove
     ? Drop<Tail, Remove>
@@ -191,7 +191,7 @@ type Drop<
 type FlatmapSplitWithDelemiters<
   Inputs extends readonly string[],
   Delemiters extends readonly string[],
-  Acc extends string[] = []
+  Acc extends string[] = [],
 > = Inputs extends [infer FirstInput, ...infer RestInputs]
   ? FirstInput extends string
     ? RestInputs extends readonly string[]
@@ -207,7 +207,7 @@ type FlatmapSplitWithDelemiters<
 type Split<
   Input extends string,
   Delimiter extends string,
-  Acc extends string[] = []
+  Acc extends string[] = [],
 > = Input extends `${infer Prefix}${Delimiter}${infer Suffix}`
   ? Split<Suffix, Delimiter, [...Acc, Prefix]>
   : [...Acc, Input];

packages/puppeteer-core/src/common/util.ts

@@ -244,7 +244,7 @@ export const withSourcePuppeteerURLIfNone = <T extends NonNullable<unknown>>(
  * @internal
  */
 export const getSourcePuppeteerURLIfAvailable = <
-  T extends NonNullable<unknown>
+  T extends NonNullable<unknown>,
 >(
   object: T
 ): PuppeteerURL | undefined => {

packages/puppeteer-core/src/injected/PSelectorParser.ts

@@ -17,10 +17,10 @@
 import {Token, tokenize, TOKENS, stringify} from 'parsel-js';
 
 export type CSSSelector = string;
-export type PPseudoSelector = {
+export interface PPseudoSelector {
   name: string;
   value: string;
-};
+}
 export const enum PCombinator {
   Descendent = '>>>',
   Child = '>>>>',

packages/puppeteer-core/src/injected/TextContent.ts

@@ -57,12 +57,12 @@ export const isSuitableNodeForTextMatching = (node: Node): boolean => {
 /**
  * @internal
  */
-export type TextContent = {
+export interface TextContent {
   // Contains the full text of the node.
   full: string;
   // Contains the text immediately beneath the node.
   immediate: string[];
-};
+}
 
 /**
  * Maps {@link Node}s to their computed {@link TextContent}.

packages/puppeteer-core/src/node/ProductLauncher.ts

@@ -46,12 +46,12 @@ import {PuppeteerNode} from './PuppeteerNode.js';
 /**
  * @internal
  */
-export type ResolvedLaunchArgs = {
+export interface ResolvedLaunchArgs {
   isTempUserDataDir: boolean;
   userDataDir: string;
   executablePath: string;
   args: string[];
-};
+}
 
 /**
  * Describes a launcher - a class that is able to create and launch a browser instance.

packages/puppeteer-core/src/util/Deferred.ts

@@ -85,7 +85,7 @@ export class Deferred<T> {
   static async race<R>(
     awaitables: Array<Promise<R> | Deferred<R>>
   ): Promise<R> {
-    const deferredWithTimeout: Set<Deferred<R>> = new Set();
+    const deferredWithTimeout = new Set<Deferred<R>>();
     try {
       const promises = awaitables.map(value => {
         if (value instanceof Deferred) {

test/.eslintrc.js

@@ -14,6 +14,10 @@ module.exports = {
     {
       files: ['*.spec.ts'],
       rules: {
+        '@typescript-eslint/no-unused-vars': [
+          'error',
+          {argsIgnorePattern: '^_', varsIgnorePattern: '^_'},
+        ],
         'no-restricted-syntax': [
           'error',
           {

test/src/ariaqueryhandler.spec.ts

@@ -583,9 +583,12 @@ describe('AriaQueryHandler', () => {
       });
       await page.setContent(`<div aria-label='zombo'>anything</div>`);
       expect(
-        await page.evaluate(x => {
-          return x?.textContent;
-        }, await waitForSelector)
+        await page.evaluate(
+          x => {
+            return x?.textContent;
+          },
+          await waitForSelector
+        )
       ).toBe('anything');
     });
 

test/src/evaluation.spec.ts

@@ -338,7 +338,7 @@ describe('Evaluation specs', function () {
       const {page} = await getTestState();
 
       const result = await page.evaluate(() => {
-        const a: {[x: string]: any} = {};
+        const a: Record<string, any> = {};
         const b = {a};
         a['b'] = b;
         return a;

test/src/golden-utils.ts

@@ -92,14 +92,20 @@ const compareText = (
     return;
   }
   const result = diffLines(expected, actual);
-  const html = result.reduce((text, change) => {
-    text += change.added
-      ? `<span class='ins'>${change.value}</span>`
-      : change.removed
-      ? `<span class='del'>${change.value}</span>`
-      : change.value;
-    return text;
-  }, `<link rel="stylesheet" href="file://${path.join(__dirname, 'diffstyle.css')}">`);
+  const html = result.reduce(
+    (text, change) => {
+      text += change.added
+        ? `<span class='ins'>${change.value}</span>`
+        : change.removed
+        ? `<span class='del'>${change.value}</span>`
+        : change.value;
+      return text;
+    },
+    `<link rel="stylesheet" href="file://${path.join(
+      __dirname,
+      'diffstyle.css'
+    )}">`
+  );
   return {
     diff: html,
     ext: '.html',

test/src/headful.spec.ts

@@ -286,15 +286,18 @@ describe('headful tests', function () {
 
       // Navigate to the empty page and add an OOPIF iframe with at least one request.
       await page.goto(server.EMPTY_PAGE);
-      await page.evaluate((frameUrl: string) => {
-        const frame = document.createElement('iframe');
-        frame.setAttribute('src', frameUrl);
-        document.body.appendChild(frame);
-        return new Promise((x, y) => {
-          frame.onload = x;
-          frame.onerror = y;
-        });
-      }, server.PREFIX.replace('localhost', 'oopifdomain') + '/one-style.html');
+      await page.evaluate(
+        (frameUrl: string) => {
+          const frame = document.createElement('iframe');
+          frame.setAttribute('src', frameUrl);
+          document.body.appendChild(frame);
+          return new Promise((x, y) => {
+            frame.onload = x;
+            frame.onerror = y;
+          });
+        },
+        server.PREFIX.replace('localhost', 'oopifdomain') + '/one-style.html'
+      );
       await page.waitForSelector('iframe');
 
       // Ensure we found the iframe session.

test/src/keyboard.spec.ts

@@ -66,7 +66,7 @@ describe('Keyboard', function () {
         return document.querySelector('textarea')!.value;
       })
     ).toBe('Hello World!');
-    for (let i = 0; i < 'World!'.length; i++) {
+    for (const _ of 'World!') {
       page.keyboard.press('ArrowLeft');
     }
     await page.keyboard.type('inserted ');
@@ -76,7 +76,7 @@ describe('Keyboard', function () {
       })
     ).toBe('Hello inserted World!');
     page.keyboard.down('Shift');
-    for (let i = 0; i < 'inserted '.length; i++) {
+    for (const _ of 'inserted ') {
       page.keyboard.press('ArrowLeft');
     }
     page.keyboard.up('Shift');
@@ -515,7 +515,7 @@ describe('Keyboard', function () {
     const [key, code, metaKey] = (await page.evaluate('result')) as [
       string,
       string,
-      boolean
+      boolean,
     ];
     if (isFirefox && os.platform() !== 'darwin') {
       expect(key).toBe('OS');

test/src/oopif.spec.ts

@@ -216,12 +216,12 @@ describeWithDebugLogs('OOPIF', function () {
     const frame = await framePromise;
     await frame.evaluate(() => {
       // eslint-disable-next-line @typescript-eslint/ban-ts-comment
-      // @ts-ignore
+      // @ts-expect-error
       _test = 'Test 123!';
     });
     const result = await frame.evaluate(() => {
       // eslint-disable-next-line @typescript-eslint/ban-ts-comment
-      // @ts-ignore
+      // @ts-expect-error
       return window._test;
     });
     expect(result).toBe('Test 123!');

test/src/page.spec.ts

@@ -1432,14 +1432,14 @@ describe('Page', function () {
       expect(
         await page.evaluate(() => {
           // eslint-disable-next-line @typescript-eslint/ban-ts-comment
-          // @ts-ignore: userAgentData not yet in TypeScript DOM API
+          // @ts-expect-error: userAgentData not yet in TypeScript DOM API
           return navigator.userAgentData.mobile;
         })
       ).toBe(false);
 
       const uaData = await page.evaluate(() => {
         // eslint-disable-next-line @typescript-eslint/ban-ts-comment
-        // @ts-ignore: userAgentData not yet in TypeScript DOM API
+        // @ts-expect-error: userAgentData not yet in TypeScript DOM API
         return navigator.userAgentData.getHighEntropyValues([
           'architecture',
           'model',

test/src/waittask.spec.ts

@@ -715,9 +715,12 @@ describe('waittask specs', function () {
       const waitForSelector = page.waitForSelector('.zombo');
       await page.setContent(`<div class='zombo'>anything</div>`);
       expect(
-        await page.evaluate(x => {
-          return x?.textContent;
-        }, await waitForSelector)
+        await page.evaluate(
+          x => {
+            return x?.textContent;
+          },
+          await waitForSelector
+        )
       ).toBe('anything');
     });
     it('should have correct stack trace for timeout', async () => {
@@ -748,9 +751,12 @@ describe('waittask specs', function () {
         '//p[normalize-space(.)="hello world"]'
       );
       expect(
-        await page.evaluate(x => {
-          return x?.textContent;
-        }, await waitForXPath)
+        await page.evaluate(
+          x => {
+            return x?.textContent;
+          },
+          await waitForXPath
+        )
       ).toBe('hello  world  ');
     });
     it('should respect timeout', async () => {
@@ -836,9 +842,12 @@ describe('waittask specs', function () {
       const waitForXPath = page.waitForXPath('//*[@class="zombo"]');
       await page.setContent(`<div class='zombo'>anything</div>`);
       expect(
-        await page.evaluate(x => {
-          return x?.textContent;
-        }, await waitForXPath)
+        await page.evaluate(
+          x => {
+            return x?.textContent;
+          },
+          await waitForXPath
+        )
       ).toBe('anything');
     });
     it('should allow you to select a text node', async () => {
@@ -856,9 +865,12 @@ describe('waittask specs', function () {
       await page.setContent(`<div>some text</div>`);
       const waitForXPath = page.waitForXPath('/html/body/div');
       expect(
-        await page.evaluate(x => {
-          return x?.textContent;
-        }, await waitForXPath)
+        await page.evaluate(
+          x => {
+            return x?.textContent;
+          },
+          await waitForXPath
+        )
       ).toBe('some text');
     });
   });

tools/internal/custom_markdown_documenter.ts

@@ -491,7 +491,7 @@ export class MarkdownDocumenter {
           ]
         );
         let needsComma = false;
-        const visited: Set<string> = new Set();
+        const visited = new Set<string>();
         for (const ref of refs) {
           if (visited.has(ref.text)) {
             continue;

tools/mochaRunner/src/interface.ts

@@ -79,7 +79,7 @@ function customBDDInterface(suite: Mocha.Suite) {
       };
 
       // eslint-disable-next-line @typescript-eslint/ban-ts-comment
-      // @ts-ignore
+      // @ts-expect-error
       context['describe'] = describe;
 
       function it(title: string, fn: Mocha.TestFunction, itOnly = false) {
@@ -90,7 +90,7 @@ function customBDDInterface(suite: Mocha.Suite) {
 
         const describeOnly = Boolean(
           // eslint-disable-next-line @typescript-eslint/ban-ts-comment
-          // @ts-ignore
+          // @ts-expect-error
           suite.parent?._onlySuites.find(child => {
             return child === suite;
           })
@@ -119,7 +119,7 @@ function customBDDInterface(suite: Mocha.Suite) {
       };
 
       // eslint-disable-next-line @typescript-eslint/ban-ts-comment
-      // @ts-ignore
+      // @ts-expect-error
       context.it = it;
     }
   );

tools/mochaRunner/src/types.ts

@@ -40,21 +40,21 @@ export type TestSuiteFile = z.infer<typeof zTestSuiteFile>;
 
 export type TestResult = 'PASS' | 'FAIL' | 'TIMEOUT' | 'SKIP';
 
-export type TestExpectation = {
+export interface TestExpectation {
   testIdPattern: string;
   platforms: NodeJS.Platform[];
   parameters: string[];
   expectations: TestResult[];
-};
+}
 
-export type MochaTestResult = {
+export interface MochaTestResult {
   fullTitle: string;
   title: string;
   file: string;
   err?: {code: string};
-};
+}
 
-export type MochaResults = {
+export interface MochaResults {
   stats: {tests: number};
   pending: MochaTestResult[];
   passes: MochaTestResult[];
@@ -64,4 +64,4 @@ export type MochaResults = {
   parameters?: string[];
   platform?: string;
   date?: string;
-};
+}

tools/mochaRunner/src/utils.ts

@@ -114,11 +114,11 @@ export function findEffectiveExpectationForTest(
   });
 }
 
-export type RecommendedExpectation = {
+export interface RecommendedExpectation {
   expectation: TestExpectation;
   action: 'remove' | 'add' | 'update';
   basedOn?: TestExpectation;
-};
+}
 
 export function isWildCardPattern(testIdPattern: string): boolean {
   return testIdPattern.includes('*');
@@ -132,7 +132,7 @@ export function getExpectationUpdates(
     parameters: string[];
   }
 ): RecommendedExpectation[] {
-  const output: Map<string, RecommendedExpectation> = new Map();
+  const output = new Map<string, RecommendedExpectation>();
 
   for (const pass of results.passes) {
     const expectationEntry = findEffectiveExpectationForTest(

tools/sort-test-expectations.js

@@ -19,7 +19,7 @@
 const fs = require('fs');
 const path = require('path');
 
-const prettier = require('prettier');
+const prettier = require('@prettier/sync');
 
 const source = 'test/TestExpectations.json';