This simple module mesures the duration of javascript operations. The module itself is an instance of EventEmitter2.

Example

var measure = require('measure');
var done = measure.measure('timeconsuming.operation');

measure.on('timeconsuming.*', function(duration) {
  console.log(duration); // same value as returned from done()
});

setTimeout(function() {
  var duration = done();
  console.log(duration); // ~1000 
}, 1000);

API

measure(key)

Start the measurement using the string key Returns a function to be called when the measurement is complete.

stats([key])

Return the statistics for the given key or statistics for all keys if none is given.

clear([key])

Clear stats for the given key or all keys if none is given.

Install

npm install measure

Run Tests

mocha tests/measure.test.js --reporter spec

License

MIT/X11