guvnor/lib/daemon/common/LatencyMonitor.js

A node process manager that isn't spanners all the way down

var Autowire = require('wantsit').Autowire

var LatencyMonitor = function () {
  this._lag = Autowire
}

LatencyMonitor.prototype.afterPropertiesSet = function () {
  var lag = this._lag(1000)

  Object.defineProperty(this, 'latency', {
    get: function () {
      return Math.max(0, lag())
    }
  })
}

module.exports = LatencyMonitor