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/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: Apache-2.0
*//**
* @fileoverview Diagnostic audit that lists all JavaScript libraries detected on the page
*/import {Audit} from '../audit.js';
import * as i18n from '../../lib/i18n/i18n.js';const UIStrings = {
/** Title of a Lighthouse audit that provides detail on the Javascript libraries that are used on the page. */
title: 'Detected JavaScript libraries',
/** Description of a Lighthouse audit that tells the user what this audit is detecting. This is displayed after a user expands the section to see more. No character length limits. */
description: 'All front-end JavaScript libraries detected on the page. [Learn more about this JavaScript library detection diagnostic audit](https://developer.chrome.com/docs/lighthouse/best-practices/js-libraries/).',
/** Label for a column in a data table; entries will be the version numbers of the detected Javascript libraries. */
columnVersion: 'Version',
};const str_ = i18n.createIcuMessageFn(import.meta.url, UIStrings);class JsLibrariesAudit extends Audit {
/**
* @return {LH.Audit.Meta}
*/
static get meta() {
return {
id: 'js-libraries',
title: str_(UIStrings.title),
scoreDisplayMode: Audit.SCORING_MODES.INFORMATIVE,
description: str_(UIStrings.description),
requiredArtifacts: ['Stacks'],
};
}/**
* @param {LH.Artifacts} artifacts
* @return {LH.Audit.Product}
*/
static audit(artifacts) {
const libDetails = artifacts.Stacks
.filter(stack => stack.detector === 'js')
// Don't show the fast paths in the table.
.filter(stack => !stack.id.endsWith('-fast'))
.map(stack => ({
name: stack.name,
version: stack.version,
npm: stack.npm,
}));/** @type {LH.Audit.Details.Table['headings']} */
const headings = [
{key: 'name', valueType: 'text', label: str_(i18n.UIStrings.columnName)},
{key: 'version', valueType: 'text', label: str_(UIStrings.columnVersion)},
];
const details = Audit.makeTableDetails(headings, libDetails);const debugData = {
type: /** @type {const} */ ('debugdata'),
stacks: artifacts.Stacks.map(stack => {
return {
id: stack.id,
version: stack.version,
};
}),
};if (!libDetails.length) {
return {score: null, notApplicable: true};
}return {
score: 1, // Always pass for now.
details: {
...details,
debugData,
},
};
}
}export default JsLibrariesAudit;
export {UIStrings};
