tracker.js•836 B
'use strict'
var util = require('util')
var TrackerBase = require('./tracker-base.js')
var Tracker = module.exports = function (name, todo) {
TrackerBase.call(this, name)
this.workDone = 0
this.workTodo = todo || 0
}
util.inherits(Tracker, TrackerBase)
Tracker.prototype.completed = function () {
return this.workTodo === 0 ? 0 : this.workDone / this.workTodo
}
Tracker.prototype.addWork = function (work) {
this.workTodo += work
this.emit('change', this.name, this.completed(), this)
}
Tracker.prototype.completeWork = function (work) {
this.workDone += work
if (this.workDone > this.workTodo) {
this.workDone = this.workTodo
}
this.emit('change', this.name, this.completed(), this)
}
Tracker.prototype.finish = function () {
this.workTodo = this.workDone = 1
this.emit('change', this.name, 1, this)
}