DMleadgen
46d973904b
Next.js website for Rocky Mountain Vending company featuring: - Product catalog with Stripe integration - Service areas and parts pages - Admin dashboard with Clerk authentication - SEO optimized pages with JSON-LD structured data Co-authored-by: Cursor <cursoragent@cursor.com>
55 lines
1.8 KiB
Text
55 lines
1.8 KiB
Text
/**
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* @license
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* Copyright 2016 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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import speedline from 'speedline-core';
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import {makeComputedArtifact} from './computed-artifact.js';
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import {LighthouseError} from '../lib/lh-error.js';
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import {ProcessedTrace} from './processed-trace.js';
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class Speedline {
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/**
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* @param {LH.Trace} trace
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* @param {LH.Artifacts.ComputedContext} context
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* @return {Promise<LH.Artifacts.Speedline>}
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*/
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static async compute_(trace, context) {
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// speedline() may throw without a promise, so we resolve immediately
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// to get in a promise chain.
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return ProcessedTrace.request(trace, context).then(processedTrace => {
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// Use a shallow copy of traceEvents so speedline can sort as it pleases.
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// See https://github.com/GoogleChrome/lighthouse/issues/2333
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const traceEvents = trace.traceEvents.slice();
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// Force use of timeOrigin as reference point for speedline
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// See https://github.com/GoogleChrome/lighthouse/issues/2095
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const timeOrigin = processedTrace.timestamps.timeOrigin;
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return speedline(traceEvents, {
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timeOrigin,
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fastMode: true,
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include: 'speedIndex',
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});
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}).catch(err => {
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if (/No screenshots found in trace/.test(err.message)) {
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throw new LighthouseError(LighthouseError.errors.NO_SCREENSHOTS);
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}
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throw err;
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}).then(speedline => {
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if (speedline.frames.length === 0) {
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throw new LighthouseError(LighthouseError.errors.NO_SPEEDLINE_FRAMES);
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}
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if (speedline.speedIndex === 0) {
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throw new LighthouseError(LighthouseError.errors.SPEEDINDEX_OF_ZERO);
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}
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return speedline;
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});
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}
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}
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const SpeedlineComputed = makeComputedArtifact(Speedline, null);
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export {SpeedlineComputed as Speedline};
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