playwright-performance-reporter
Version:
Measure and publish performance metrics from browser dev-tools when running playwright
32 lines (31 loc) • 1.16 kB
TypeScript
import type CDP from 'chrome-remote-interface';
import { type ChromiumMetricObserver, type Metric, type ObserverOptions } from '../../../types/index.js';
export declare class HeapObjectsTracking implements ChromiumMetricObserver {
protected options?: ObserverOptions | undefined;
readonly name = "heapObjectsTracking";
readonly plugins: import("../../../index.js").ChromiumMeasurePlugin[];
/**
* Options to call `HeapProfiler.startTrackingHeapObjects` which are mandatory to collect
*
* @private
*/
private readonly startTrackingHeapObjectsOptions;
constructor(options?: ObserverOptions | undefined);
/**
* @inheritdoc
*/
onStart(accumulator: Metric, developmentTools: CDP.Client): Promise<void>;
/**
* @inheritdoc
*/
onSampling(accumulator: Metric, developmentTools: CDP.Client): Promise<void>;
/**
* @inheritdoc
*/
onStop(accumulator: Metric, developmentTools: CDP.Client): Promise<void>;
/**
* Wrapper for `HeapProfiler.addHeapSnapshotChunk` and report response continuously
*/
private listenForNextChunk;
private stopTrackingHeapObjects;
}