| '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) |
| } |