browsertime_applink.js

module.exports = async function(context, commands) {
  "use strict";

  // This violates all sorts of abstraction boundaries, but I don't see supported APIs for "just
  // waiting" nor for allowing navigation scripts to produce measurements.

  const delay = ms => new Promise(res => setTimeout(res, ms));

  await commands.measure.start();
  await commands.measure.browser.wait(commands.measure.pageCompleteCheck);
  await commands.measure.stop();

  const browserScripts = commands.measure.result[commands.measure.numberOfMeasuredPages - 1].browserScripts;
  const navigationTiming = browserScripts.timings.navigationTiming;
  const processTimeShift = browserScripts.pageinfo.navigationStartTime - browserScripts.browser.processStartTime;
  browserScripts.timings.applinkTiming = Object.assign({}, ...Object.keys(navigationTiming).map(k => ({[k]: navigationTiming[k] + processTimeShift})));

  return true;
};