diff options
Diffstat (limited to 'sandbox/testAppNevena/Front/node_modules/are-we-there-yet/lib')
5 files changed, 199 insertions, 0 deletions
diff --git a/sandbox/testAppNevena/Front/node_modules/are-we-there-yet/lib/index.js b/sandbox/testAppNevena/Front/node_modules/are-we-there-yet/lib/index.js new file mode 100644 index 00000000..57d8743f --- /dev/null +++ b/sandbox/testAppNevena/Front/node_modules/are-we-there-yet/lib/index.js @@ -0,0 +1,4 @@ +'use strict' +exports.TrackerGroup = require('./tracker-group.js') +exports.Tracker = require('./tracker.js') +exports.TrackerStream = require('./tracker-stream.js') diff --git a/sandbox/testAppNevena/Front/node_modules/are-we-there-yet/lib/tracker-base.js b/sandbox/testAppNevena/Front/node_modules/are-we-there-yet/lib/tracker-base.js new file mode 100644 index 00000000..6f436875 --- /dev/null +++ b/sandbox/testAppNevena/Front/node_modules/are-we-there-yet/lib/tracker-base.js @@ -0,0 +1,11 @@ +'use strict' +var EventEmitter = require('events').EventEmitter +var util = require('util') + +var trackerId = 0 +var TrackerBase = module.exports = function (name) { + EventEmitter.call(this) + this.id = ++trackerId + this.name = name +} +util.inherits(TrackerBase, EventEmitter) diff --git a/sandbox/testAppNevena/Front/node_modules/are-we-there-yet/lib/tracker-group.js b/sandbox/testAppNevena/Front/node_modules/are-we-there-yet/lib/tracker-group.js new file mode 100644 index 00000000..9da13f8a --- /dev/null +++ b/sandbox/testAppNevena/Front/node_modules/are-we-there-yet/lib/tracker-group.js @@ -0,0 +1,116 @@ +'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 +} diff --git a/sandbox/testAppNevena/Front/node_modules/are-we-there-yet/lib/tracker-stream.js b/sandbox/testAppNevena/Front/node_modules/are-we-there-yet/lib/tracker-stream.js new file mode 100644 index 00000000..e1cf8505 --- /dev/null +++ b/sandbox/testAppNevena/Front/node_modules/are-we-there-yet/lib/tracker-stream.js @@ -0,0 +1,36 @@ +'use strict' +var util = require('util') +var stream = require('readable-stream') +var delegate = require('delegates') +var Tracker = require('./tracker.js') + +var TrackerStream = module.exports = function (name, size, options) { + stream.Transform.call(this, options) + this.tracker = new Tracker(name, size) + this.name = name + this.id = this.tracker.id + this.tracker.on('change', delegateChange(this)) +} +util.inherits(TrackerStream, stream.Transform) + +function delegateChange (trackerStream) { + return function (name, completion, tracker) { + trackerStream.emit('change', name, completion, trackerStream) + } +} + +TrackerStream.prototype._transform = function (data, encoding, cb) { + this.tracker.completeWork(data.length ? data.length : 1) + this.push(data) + cb() +} + +TrackerStream.prototype._flush = function (cb) { + this.tracker.finish() + cb() +} + +delegate(TrackerStream.prototype, 'tracker') + .method('completed') + .method('addWork') + .method('finish') diff --git a/sandbox/testAppNevena/Front/node_modules/are-we-there-yet/lib/tracker.js b/sandbox/testAppNevena/Front/node_modules/are-we-there-yet/lib/tracker.js new file mode 100644 index 00000000..a8f8b3ba --- /dev/null +++ b/sandbox/testAppNevena/Front/node_modules/are-we-there-yet/lib/tracker.js @@ -0,0 +1,32 @@ +'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) +} |