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>
45 lines
1.1 KiB
Text
45 lines
1.1 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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/**
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* @fileoverview Tracks unused CSS rules.
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*/
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import BaseGatherer from '../base-gatherer.js';
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class CSSUsage extends BaseGatherer {
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/** @type {LH.Gatherer.GathererMeta} */
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meta = {
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supportedModes: ['snapshot', 'navigation'],
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};
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/**
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* @param {LH.Gatherer.Context} context
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* @return {Promise<LH.Artifacts['CSSUsage']>}
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*/
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async getArtifact(context) {
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const session = context.driver.defaultSession;
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const executionContext = context.driver.executionContext;
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await session.sendCommand('DOM.enable');
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await session.sendCommand('CSS.enable');
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await session.sendCommand('CSS.startRuleUsageTracking');
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// Force style to recompute.
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// Doesn't appear to be necessary in newer versions of Chrome.
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await executionContext.evaluate(() => window.getComputedStyle(document.body), {
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args: [],
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});
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const {ruleUsage} = await session.sendCommand('CSS.stopRuleUsageTracking');
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await session.sendCommand('CSS.disable');
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await session.sendCommand('DOM.disable');
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return ruleUsage;
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}
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}
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export default CSSUsage;
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