张翔
33 lines
1013 B
JavaScript
33 lines
1013 B
JavaScript
const lighthouse = require('lighthouse').default;
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const chromeLauncher = require('chrome-launcher');
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const fs = require('fs');
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const path = require('path');
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async function runLighthouse(url, options = {}) {
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const chrome = await chromeLauncher.launch({ chromeFlags: ['--headless'] });
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options.port = chrome.port;
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const runnerResult = await lighthouse(url, options);
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await chrome.kill();
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return runnerResult;
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}
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function generateReport(result, outputPath) {
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const reportHtml = result.report;
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fs.writeFileSync(outputPath, reportHtml);
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return outputPath;
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}
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function extractMetrics(result) {
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const categories = result.reportCategories;
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return {
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performance: categories.performance?.score * 100 || 0,
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accessibility: categories.accessibility?.score * 100 || 0,
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bestPractices: categories['best-practices']?.score * 100 || 0,
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seo: categories.seo?.score * 100 || 0,
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pwa: categories.pwa?.score * 100 || 0
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};
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}
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module.exports = { runLighthouse, generateReport, extractMetrics }; |