Gam

??? 123123123123 ..................................................................................................................................... Gam

File manager - Edit - /usr/lib/node_modules/npm/node_modules/are-we-there-yet/tracker-group.js

Back
'use strict' var util = require('util') var TrackerBase = require('./tracker-base.js') var Tracker = require('./tracker.js') var TrackerStream = require('./tracker-stream.js') var TrackerGroup = module.exports = function (name) { TrackerBase.call(this, name) this.parentGroup = null this.trackers = [] this.completion = {} this.weight = {} this.totalWeight = 0 this.finished = false this.bubbleChange = bubbleChange(this) } util.inherits(TrackerGroup, TrackerBase) function bubbleChange (trackerGroup) { return function (name, completed, tracker) { trackerGroup.completion[tracker.id] = completed if (trackerGroup.finished) return trackerGroup.emit('change', name \|\| trackerGroup.name, trackerGroup.completed(), trackerGroup) } } TrackerGroup.prototype.nameInTree = function () { var names = [] var from = this while (from) { names.unshift(from.name) from = from.parentGroup } return names.join('/') } TrackerGroup.prototype.addUnit = function (unit, weight) { if (unit.addUnit) { var toTest = this while (toTest) { if (unit === toTest) { throw new Error( 'Attempted to add tracker group ' + unit.name + ' to tree that already includes it ' + this.nameInTree(this)) } toTest = toTest.parentGroup } unit.parentGroup = this } this.weight[unit.id] = weight \|\| 1 this.totalWeight += this.weight[unit.id] this.trackers.push(unit) this.completion[unit.id] = unit.completed() unit.on('change', this.bubbleChange) if (!this.finished) this.emit('change', unit.name, this.completion[unit.id], unit) return unit } TrackerGroup.prototype.completed = function () { if (this.trackers.length === 0) return 0 var valPerWeight = 1 / this.totalWeight var completed = 0 for (var ii = 0; ii < this.trackers.length; ii++) { var trackerId = this.trackers[ii].id completed += valPerWeight * this.weight[trackerId] * this.completion[trackerId] } return completed } TrackerGroup.prototype.newGroup = function (name, weight) { return this.addUnit(new TrackerGroup(name), weight) } TrackerGroup.prototype.newItem = function (name, todo, weight) { return this.addUnit(new Tracker(name, todo), weight) } TrackerGroup.prototype.newStream = function (name, todo, weight) { return this.addUnit(new TrackerStream(name, todo), weight) } TrackerGroup.prototype.finish = function () { this.finished = true if (!this.trackers.length) this.addUnit(new Tracker(), 1, true) for (var ii = 0; ii < this.trackers.length; ii++) { var tracker = this.trackers[ii] tracker.finish() tracker.removeListener('change', this.bubbleChange) } this.emit('change', this.name, 1, this) } var buffer = ' ' TrackerGroup.prototype.debug = function (depth) { depth = depth \|\| 0 var indent = depth ? buffer.substr(0, depth) : '' var output = indent + (this.name \|\| 'top') + ': ' + this.completed() + '\n' this.trackers.forEach(function (tracker) { if (tracker instanceof TrackerGroup) { output += tracker.debug(depth + 1) } else { output += indent + ' ' + tracker.name + ': ' + tracker.completed() + '\n' } }) return output }