puppeteer-core
Version:
A high-level API to control headless Chrome over the DevTools Protocol
47 lines • 1.4 kB
TypeScript
/**
* @license
* Copyright 2021 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
import type { NetworkConditions } from './NetworkManager.js';
/**
* A list of pre-defined network conditions to be used with
* {@link Page.emulateNetworkConditions}.
*
* @example
*
* ```ts
* import {PredefinedNetworkConditions} from 'puppeteer';
* (async () => {
* const browser = await puppeteer.launch();
* const page = await browser.newPage();
* await page.emulateNetworkConditions(
* PredefinedNetworkConditions['Slow 3G'],
* );
* await page.goto('https://www.google.com');
* await page.emulateNetworkConditions(
* PredefinedNetworkConditions['Fast 3G'],
* );
* await page.goto('https://www.google.com');
* await page.emulateNetworkConditions(
* PredefinedNetworkConditions['Slow 4G'],
* ); // alias to Fast 3G.
* await page.goto('https://www.google.com');
* await page.emulateNetworkConditions(
* PredefinedNetworkConditions['Fast 4G'],
* );
* await page.goto('https://www.google.com');
* // other actions...
* await browser.close();
* })();
* ```
*
* @public
*/
export declare const PredefinedNetworkConditions: Readonly<{
'Slow 3G': NetworkConditions;
'Fast 3G': NetworkConditions;
'Slow 4G': NetworkConditions;
'Fast 4G': NetworkConditions;
}>;
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