/** * MIT License * * Copyright (c) 2020-present, Elastic NV * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * */ import LighthouseTraceProcessor from './lh-trace-processor'; import { PerfMetrics } from '../common_types'; /** * Trace Event Format * https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU */ export type TraceEvent = { name: string; cat: string; pid: number; tid: number; ph?: string; args?: { snapshot?: string; frame: string; data: { had_recent_input: boolean; is_main_frame: boolean; cumulative_score: number; score: number; weighted_score_delta: number; } & Record; }; /** * Platform specific monotonic non decreasing clock time * https://source.chromium.org/chromium/chromium/src/+/master:base/time/time.h;l=936;bpv=0;bpt=0 * * The tracing clock timestamp of the event. The timestamps are provided at microsecond granularity. */ ts: number; }; /** * Exported data from Lighthouse trace processor */ type LHTraceTime = { timeOrigin: number; firstPaint: number; firstContentfulPaint: number; largestContentfulPaint: number; largestContentfulPaintAllFrames: number; domContentLoaded: number; load: number; traceEnd: number; }; export type LHProcessedNavigation = { domContentLoadedEvt: TraceEvent; firstContentfulPaintEvt: TraceEvent; largestContentfulPaintEvt: TraceEvent; loadEvt: TraceEvent; timestamps: LHTraceTime; timings: LHTraceTime; lcpInvalidated: boolean; }; export type LHProcessedTrace = { processEvents: Array; frameEvents: Array; mainThreadEvents: Array; frameTreeEvents: Array; timeOriginEvt: TraceEvent; timestamps: Partial; timings: Partial; }; /** * Extends the lighthouse trace processor which extracts all the meaningful trace * events in chronological order from the tab's process * * We extend Lighthouse Processor instead of calling it directy as we want to control * what is the interest event for Navigation start and also in future we want to measure * metrics based on multiple navigations instead of a single navigation. */ export declare class TraceProcessor extends LighthouseTraceProcessor { static _isNavigationStartOfInterest(event: any): boolean; static computeTrace(traceEvents: Array): { traces: import("../common_types").TraceOutput[]; metrics: Partial; } | { traces?: undefined; metrics?: undefined; }; } export {}; //# sourceMappingURL=trace-processor.d.ts.map