playwright-performance-reporter/lib/browsers/chromium/plugins/performance-domain.js

Measure and publish performance metrics from browser dev-tools when running playwright

/**
 * Activates the `Performance.*` domain in CDP
 *
 * @param developmentTools client for CDP
 */
export const performanceDomainPlugin = async (developmentTools) => new Promise(resolve => {
    developmentTools.send('Performance.enable', error => {
        resolve(Boolean(error));
    });
});