function timeStampScale()

in build/UserALEWebExtension/background.js [72:102]

• 25 lines of code
• 5 McCabe index (conditional complexity)

function timeStampScale(e) {
  var tsScaler;
  if (e.timeStamp && e.timeStamp > 0) {
    var delta = Date.now() - e.timeStamp;
    /**
     * Returns a timestamp depending on various browser quirks.
     * @param  {?Number} ts A timestamp to use for normalization.
     * @return {Number} A normalized timestamp.
     */

    if (delta < 0) {
      tsScaler = function tsScaler() {
        return e.timeStamp / 1000;
      };
    } else if (delta > e.timeStamp) {
      var navStart = performance.timing.navigationStart;
      tsScaler = function tsScaler(ts) {
        return ts + navStart;
      };
    } else {
      tsScaler = function tsScaler(ts) {
        return ts;
      };
    }
  } else {
    tsScaler = function tsScaler() {
      return Date.now();
    };
  }
  return tsScaler;
}