dynatrace-cordova-outsystems-plugin/node_modules/performance-now/src/performance-now.coffee

This plugin gives you the ability to use the Dynatrace instrumentation in your hybrid application (Cordova, Ionic, ..). It uses the Mobile Agent, the JavaScript Agent and the Javascript Bridge. The Mobile Agent will give you all device specific values con

if performance? and performance.now
  module.exports = -> performance.now()
else if process? and process.hrtime
  module.exports = -> (getNanoSeconds() - nodeLoadTime) / 1e6
  hrtime = process.hrtime
  getNanoSeconds = ->
    hr = hrtime()
    hr[0] * 1e9 + hr[1]
  moduleLoadTime = getNanoSeconds()
  upTime = process.uptime() * 1e9
  nodeLoadTime = moduleLoadTime - upTime
else if Date.now
  module.exports = -> Date.now() - loadTime
  loadTime = Date.now()
else
  module.exports = -> new Date().getTime() - loadTime
  loadTime = new Date().getTime()