hrtimer.js

timer.js

 // Usage:
  //
  // ```JS
  // var timer = new Timer();
  //
  // timer.start("javascript");
  //
  // compile(function(e, callback) {
  //   var timeInSecs = timer.end("javascript");
  //   console.log("It took: ", timeInSecs, "s");
  // });
  //
  function Timer() {
      this.startTime = {};
  }

  Timer.prototype.start = function(name) {
      this.startTime[name] = process.hrtime();
  };

  Timer.prototype.end = function(name) {
      var diff = process.hrtime(this.startTime[name]);
      return hrtimeInSecs(diff);
  };

  function hrtimeInSecs(hrtime) {
      return hrtime[0]  + (hrtime[1] / 1.0e9);
  }

  module.exports = Timer;