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class CDPSession
extends EventEmitter
import { CDPSession } from "https://deno.land/x/puppeteer@14.1.1/vendor/puppeteer-core/puppeteer/common/Connection.js";

The CDPSession instances are used to talk raw Chrome Devtools Protocol.

Examples

Example 1

const client = await page.target().createCDPSession();
await client.send('Animation.enable');
client.on('Animation.animationCreated', () => console.log('Animation created!'));
const response = await client.send('Animation.getPlaybackRate');
console.log('playback rate is ' + response.playbackRate);
await client.send('Animation.setPlaybackRate', {
  playbackRate: response.playbackRate / 2
});

Constructors

new
CDPSession(
connection: Connection,
targetType: string,
sessionId: string,
)

Properties

private
_callbacks
private
_sessionId
private
_targetType
optional
_connection: Connection

Methods

_onClosed(): void
connection(): Connection | undefined
detach(): Promise<void>

Detaches the cdpSession from the target. Once detached, the cdpSession object won't emit any events and can't be used to send messages.

id(): string
send<T extends keyof ProtocolMapping.Commands>(method: T, ...paramArgs: ProtocolMapping.Commands[T]["paramsType"]): Promise<ProtocolMapping.Commands[T]["returnType"]>