panel/lib/component-utils/perf.js

Web Components with Virtual DOM: lightweight composable web apps

/**
 * Attempt to use a high resolution timestamp when in the browswer environment, but fallback to Date.now
 * When the performance API is not available.
 */
export const Perf = {
  getNow,
};

function getNow() {
  if (typeof performance !== `undefined`) {
    return performance.now();
  }
  return Date.now();
}