npm install
npm run test
This generates a json with the categories like performance, pwa , 'best-practices' to a file ./audit.json
{
"url": <requested url>
"performance": 85,
"best-practices": 85,
"pwa": 50
}
Make the changes to in the plugins/index.js to upload the performance logs
on('task', {
lighthouse: lighthouse(lighthouseReport => {
const categories = lighthouseReport.lhr.categories;
const audits = lighthouseReport.lhr.audits;
const formattedAudit = Object.keys(audits).reduce(
(metrics, curr) => ({
...metrics,
[curr]: audits[curr].numericValue
}),
{}
);
const formattedCategories = Object.keys(categories).reduce(
(metrics, curr) => ({
...metrics,
[curr]: categories[curr].score * 100
}),
{}
);
const results = {url: lighthouseReport.lhr.requestedUrl, ...formattedCategories};
fs.writeJSONSync(`./audit.json`, results);
}),
pa11y: pa11y(),
});