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>
42 lines
1.7 KiB
Text
42 lines
1.7 KiB
Text
/**
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* @license
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* Copyright 2017 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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import * as Lantern from '../lib/lantern/lantern.js';
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import {makeComputedArtifact} from './computed-artifact.js';
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import {NetworkRecords} from './network-records.js';
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/**
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* @fileoverview This artifact identifies the main resource on the page. Current solution assumes
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* that the main resource is the first non-redirected one.
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*/
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class MainResource {
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/**
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* @param {{URL: LH.Artifacts['URL'], devtoolsLog: LH.DevtoolsLog}} data
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* @param {LH.Artifacts.ComputedContext} context
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* @return {Promise<LH.Artifacts.NetworkRequest>}
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*/
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static async compute_(data, context) {
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const {mainDocumentUrl} = data.URL;
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if (!mainDocumentUrl) throw new Error('mainDocumentUrl must exist to get the main resource');
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const records = await NetworkRecords.request(data.devtoolsLog, context);
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// We could have more than one record matching the main doucment url,
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// if the page did `location.reload()`. Since `mainDocumentUrl` refers to the _last_
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// document request, we should return the last candidate here. Besides, the browser
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// would have evicted the first request by the time `MainDocumentRequest` (a consumer
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// of this computed artifact) attempts to fetch the contents, resulting in a protocol error.
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const mainResource =
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Lantern.Core.NetworkAnalyzer.findLastDocumentForUrl(records, mainDocumentUrl);
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if (!mainResource) {
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throw new Error('Unable to identify the main resource');
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}
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return mainResource;
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}
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}
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const MainResourceComputed = makeComputedArtifact(MainResource, ['URL', 'devtoolsLog']);
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export {MainResourceComputed as MainResource};
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