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Diffstat (limited to 'node_modules/neo-async')
119 files changed, 9988 insertions, 0 deletions
diff --git a/node_modules/neo-async/LICENSE b/node_modules/neo-async/LICENSE new file mode 100644 index 0000000..4ec13d1 --- /dev/null +++ b/node_modules/neo-async/LICENSE @@ -0,0 +1,22 @@ +MIT License + +Copyright (c) 2014-2018 Suguru Motegi +Based on Async.js, Copyright Caolan McMahon + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/node_modules/neo-async/README.md b/node_modules/neo-async/README.md new file mode 100644 index 0000000..d49e93c --- /dev/null +++ b/node_modules/neo-async/README.md @@ -0,0 +1,273 @@ +<h1 align="center">Neo-Async</h1> + +<p align="center"> + <img src="https://raw.githubusercontent.com/wiki/suguru03/neo-async/images/neo_async_v2.png" width="250px" /> +</p> + +<p align="center"> + <a href="https://www.npmjs.com/package/neo-async"><img alt="npm" src="https://img.shields.io/npm/v/neo-async.svg"></a> + <a href="https://travis-ci.org/suguru03/neo-async"><img alt="Travis Status" src="https://img.shields.io/travis/suguru03/neo-async.svg"></a> + <a href="https://codecov.io/gh/suguru03/neo-async"><img alt="Coverage Status" src="https://img.shields.io/codecov/c/github/suguru03/neo-async/master.svg"></a> + <a href="https://www.npmjs.com/package/neo-async"><img alt="download" src="https://img.shields.io/npm/dm/neo-async.svg"></a> + <a href="https://lgtm.com/projects/g/suguru03/neo-async/context:javascript"><img src="https://img.shields.io/lgtm/grade/javascript/g/suguru03/neo-async.svg?logo=lgtm&logoWidth=18" alt="Code Quality: Javascript" height="18"></a> + <a href="https://lgtm.com/projects/g/suguru03/neo-async/alerts"><img src="https://img.shields.io/lgtm/alerts/g/suguru03/neo-async.svg?logo=lgtm&logoWidth=18" alt="Total Alerts" height="18"></a> + <a href="https://app.fossa.io/projects/git%2Bgithub.com%2Fsuguru03%2Fneo-async?ref=badge_shield"><img src="https://app.fossa.io/api/projects/git%2Bgithub.com%2Fsuguru03%2Fneo-async.svg?type=shield" alt="FOSSA" height="18"></a> +</p> + +Neo-Async is thought to be used as a drop-in replacement for [Async](https://github.com/caolan/async), it almost fully covers its functionality and runs [faster](#benchmark). + +Benchmark is [here](#benchmark)! + +Bluebird's benchmark is [here](https://github.com/suguru03/bluebird/tree/aigle/benchmark)! + +## Code Coverage + + +## Installation + +### In a browser +```html +<script src="async.min.js"></script> +``` + +### In an AMD loader +```js +require(['async'], function(async) {}); +``` + +### Promise and async/await + +I recommend to use [`Aigle`](https://github.com/suguru03/aigle). + +It is optimized for Promise handling and has almost the same functionality as `neo-async`. + +### Node.js + +#### standard + +```bash +$ npm install neo-async +``` +```js +var async = require('neo-async'); +``` + +#### replacement +```bash +$ npm install neo-async +$ ln -s ./node_modules/neo-async ./node_modules/async +``` +```js +var async = require('async'); +``` + +### Bower + +```bash +bower install neo-async +``` + +## Feature + +[JSDoc](http://suguru03.github.io/neo-async/doc/async.html) + +\* not in Async + +### Collections + +- [`each`](http://suguru03.github.io/neo-async/doc/async.each.html) +- [`eachSeries`](http://suguru03.github.io/neo-async/doc/async.eachSeries.html) +- [`eachLimit`](http://suguru03.github.io/neo-async/doc/async.eachLimit.html) +- [`forEach`](http://suguru03.github.io/neo-async/doc/async.each.html) -> [`each`](http://suguru03.github.io/neo-async/doc/async.each.html) +- [`forEachSeries`](http://suguru03.github.io/neo-async/doc/async.eachSeries.html) -> [`eachSeries`](http://suguru03.github.io/neo-async/doc/async.eachSeries.html) +- [`forEachLimit`](http://suguru03.github.io/neo-async/doc/async.eachLimit.html) -> [`eachLimit`](http://suguru03.github.io/neo-async/doc/async.eachLimit.html) +- [`eachOf`](http://suguru03.github.io/neo-async/doc/async.each.html) -> [`each`](http://suguru03.github.io/neo-async/doc/async.each.html) +- [`eachOfSeries`](http://suguru03.github.io/neo-async/doc/async.eachSeries.html) -> [`eachSeries`](http://suguru03.github.io/neo-async/doc/async.eachSeries.html) +- [`eachOfLimit`](http://suguru03.github.io/neo-async/doc/async.eachLimit.html) -> [`eachLimit`](http://suguru03.github.io/neo-async/doc/async.eachLimit.html) +- [`forEachOf`](http://suguru03.github.io/neo-async/doc/async.each.html) -> [`each`](http://suguru03.github.io/neo-async/doc/async.each.html) +- [`forEachOfSeries`](http://suguru03.github.io/neo-async/doc/async.eachSeries.html) -> [`eachSeries`](http://suguru03.github.io/neo-async/doc/async.eachSeries.html) +- [`eachOfLimit`](http://suguru03.github.io/neo-async/doc/async.eachLimit.html) -> [`forEachLimit`](http://suguru03.github.io/neo-async/doc/async.eachLimit.html) +- [`map`](http://suguru03.github.io/neo-async/doc/async.map.html) +- [`mapSeries`](http://suguru03.github.io/neo-async/doc/async.mapSeries.html) +- [`mapLimit`](http://suguru03.github.io/neo-async/doc/async.mapLimit.html) +- [`mapValues`](http://suguru03.github.io/neo-async/doc/async.mapValues.html) +- [`mapValuesSeries`](http://suguru03.github.io/neo-async/doc/async.mapValuesSeries.html) +- [`mapValuesLimit`](http://suguru03.github.io/neo-async/doc/async.mapValuesLimit.html) +- [`filter`](http://suguru03.github.io/neo-async/doc/async.filter.html) +- [`filterSeries`](http://suguru03.github.io/neo-async/doc/async.filterSeries.html) +- [`filterLimit`](http://suguru03.github.io/neo-async/doc/async.filterLimit.html) +- [`select`](http://suguru03.github.io/neo-async/doc/async.filter.html) -> [`filter`](http://suguru03.github.io/neo-async/doc/async.filter.html) +- [`selectSeries`](http://suguru03.github.io/neo-async/doc/async.filterSeries.html) -> [`filterSeries`](http://suguru03.github.io/neo-async/doc/async.filterSeries.html) +- [`selectLimit`](http://suguru03.github.io/neo-async/doc/async.filterLimit.html) -> [`filterLimit`](http://suguru03.github.io/neo-async/doc/async.filterLimit.html) +- [`reject`](http://suguru03.github.io/neo-async/doc/async.reject.html) +- [`rejectSeries`](http://suguru03.github.io/neo-async/doc/async.rejectSeries.html) +- [`rejectLimit`](http://suguru03.github.io/neo-async/doc/async.rejectLimit.html) +- [`detect`](http://suguru03.github.io/neo-async/doc/async.detect.html) +- [`detectSeries`](http://suguru03.github.io/neo-async/doc/async.detectSeries.html) +- [`detectLimit`](http://suguru03.github.io/neo-async/doc/async.detectLimit.html) +- [`find`](http://suguru03.github.io/neo-async/doc/async.detect.html) -> [`detect`](http://suguru03.github.io/neo-async/doc/async.detect.html) +- [`findSeries`](http://suguru03.github.io/neo-async/doc/async.detectSeries.html) -> [`detectSeries`](http://suguru03.github.io/neo-async/doc/async.detectSeries.html) +- [`findLimit`](http://suguru03.github.io/neo-async/doc/async.detectLimit.html) -> [`detectLimit`](http://suguru03.github.io/neo-async/doc/async.detectLimit.html) +- [`pick`](http://suguru03.github.io/neo-async/doc/async.pick.html) * +- [`pickSeries`](http://suguru03.github.io/neo-async/doc/async.pickSeries.html) * +- [`pickLimit`](http://suguru03.github.io/neo-async/doc/async.pickLimit.html) * +- [`omit`](http://suguru03.github.io/neo-async/doc/async.omit.html) * +- [`omitSeries`](http://suguru03.github.io/neo-async/doc/async.omitSeries.html) * +- [`omitLimit`](http://suguru03.github.io/neo-async/doc/async.omitLimit.html) * +- [`reduce`](http://suguru03.github.io/neo-async/doc/async.reduce.html) +- [`inject`](http://suguru03.github.io/neo-async/doc/async.reduce.html) -> [`reduce`](http://suguru03.github.io/neo-async/doc/async.reduce.html) +- [`foldl`](http://suguru03.github.io/neo-async/doc/async.reduce.html) -> [`reduce`](http://suguru03.github.io/neo-async/doc/async.reduce.html) +- [`reduceRight`](http://suguru03.github.io/neo-async/doc/async.reduceRight.html) +- [`foldr`](http://suguru03.github.io/neo-async/doc/async.reduceRight.html) -> [`reduceRight`](http://suguru03.github.io/neo-async/doc/async.reduceRight.html) +- [`transform`](http://suguru03.github.io/neo-async/doc/async.transform.html) +- [`transformSeries`](http://suguru03.github.io/neo-async/doc/async.transformSeries.html) * +- [`transformLimit`](http://suguru03.github.io/neo-async/doc/async.transformLimit.html) * +- [`sortBy`](http://suguru03.github.io/neo-async/doc/async.sortBy.html) +- [`sortBySeries`](http://suguru03.github.io/neo-async/doc/async.sortBySeries.html) * +- [`sortByLimit`](http://suguru03.github.io/neo-async/doc/async.sortByLimit.html) * +- [`some`](http://suguru03.github.io/neo-async/doc/async.some.html) +- [`someSeries`](http://suguru03.github.io/neo-async/doc/async.someSeries.html) +- [`someLimit`](http://suguru03.github.io/neo-async/doc/async.someLimit.html) +- [`any`](http://suguru03.github.io/neo-async/doc/async.some.html) -> [`some`](http://suguru03.github.io/neo-async/doc/async.some.html) +- [`anySeries`](http://suguru03.github.io/neo-async/doc/async.someSeries.html) -> [`someSeries`](http://suguru03.github.io/neo-async/doc/async.someSeries.html) +- [`anyLimit`](http://suguru03.github.io/neo-async/doc/async.someLimit.html) -> [`someLimit`](http://suguru03.github.io/neo-async/doc/async.someLimit.html) +- [`every`](http://suguru03.github.io/neo-async/doc/async.every.html) +- [`everySeries`](http://suguru03.github.io/neo-async/doc/async.everySeries.html) +- [`everyLimit`](http://suguru03.github.io/neo-async/doc/async.everyLimit.html) +- [`all`](http://suguru03.github.io/neo-async/doc/async.every.html) -> [`every`](http://suguru03.github.io/neo-async/doc/async.every.html) +- [`allSeries`](http://suguru03.github.io/neo-async/doc/async.everySeries.html) -> [`every`](http://suguru03.github.io/neo-async/doc/async.everySeries.html) +- [`allLimit`](http://suguru03.github.io/neo-async/doc/async.everyLimit.html) -> [`every`](http://suguru03.github.io/neo-async/doc/async.everyLimit.html) +- [`concat`](http://suguru03.github.io/neo-async/doc/async.concat.html) +- [`concatSeries`](http://suguru03.github.io/neo-async/doc/async.concatSeries.html) +- [`concatLimit`](http://suguru03.github.io/neo-async/doc/async.concatLimit.html) * + +### Control Flow + +- [`parallel`](http://suguru03.github.io/neo-async/doc/async.parallel.html) +- [`series`](http://suguru03.github.io/neo-async/doc/async.series.html) +- [`parallelLimit`](http://suguru03.github.io/neo-async/doc/async.series.html) +- [`tryEach`](http://suguru03.github.io/neo-async/doc/async.tryEach.html) +- [`waterfall`](http://suguru03.github.io/neo-async/doc/async.waterfall.html) +- [`angelFall`](http://suguru03.github.io/neo-async/doc/async.angelFall.html) * +- [`angelfall`](http://suguru03.github.io/neo-async/doc/async.angelFall.html) -> [`angelFall`](http://suguru03.github.io/neo-async/doc/async.angelFall.html) * +- [`whilst`](#whilst) +- [`doWhilst`](#doWhilst) +- [`until`](#until) +- [`doUntil`](#doUntil) +- [`during`](#during) +- [`doDuring`](#doDuring) +- [`forever`](#forever) +- [`compose`](#compose) +- [`seq`](#seq) +- [`applyEach`](#applyEach) +- [`applyEachSeries`](#applyEachSeries) +- [`queue`](#queue) +- [`priorityQueue`](#priorityQueue) +- [`cargo`](#cargo) +- [`auto`](#auto) +- [`autoInject`](#autoInject) +- [`retry`](#retry) +- [`retryable`](#retryable) +- [`iterator`](#iterator) +- [`times`](http://suguru03.github.io/neo-async/doc/async.times.html) +- [`timesSeries`](http://suguru03.github.io/neo-async/doc/async.timesSeries.html) +- [`timesLimit`](http://suguru03.github.io/neo-async/doc/async.timesLimit.html) +- [`race`](#race) + +### Utils +- [`apply`](#apply) +- [`setImmediate`](#setImmediate) +- [`nextTick`](#nextTick) +- [`memoize`](#memoize) +- [`unmemoize`](#unmemoize) +- [`ensureAsync`](#ensureAsync) +- [`constant`](#constant) +- [`asyncify`](#asyncify) +- [`wrapSync`](#asyncify) -> [`asyncify`](#asyncify) +- [`log`](#log) +- [`dir`](#dir) +- [`timeout`](http://suguru03.github.io/neo-async/doc/async.timeout.html) +- [`reflect`](#reflect) +- [`reflectAll`](#reflectAll) +- [`createLogger`](#createLogger) + +## Mode +- [`safe`](#safe) * +- [`fast`](#fast) * + +## Benchmark + +[Benchmark: Async vs Neo-Async](http://suguru03.hatenablog.com/entry/2016/06/10/135559) + +### How to check + +```bash +$ node perf +``` + +### Environment + +* Darwin 17.3.0 x64 +* Node.js v8.9.4 +* async v2.6.0 +* neo-async v2.5.0 +* benchmark v2.1.4 + +### Result + +The value is the ratio (Neo-Async/Async) of the average speed. + +#### Collections +|function|benchmark| +|---|--:| +|each/forEach|2.43| +|eachSeries/forEachSeries|1.75| +|eachLimit/forEachLimit|1.68| +|eachOf|3.29| +|eachOfSeries|1.50| +|eachOfLimit|1.59| +|map|3.95| +|mapSeries|1.81| +|mapLimit|1.27| +|mapValues|2.73| +|mapValuesSeries|1.59| +|mapValuesLimit|1.23| +|filter|3.00| +|filterSeries|1.74| +|filterLimit|1.17| +|reject|4.59| +|rejectSeries|2.31| +|rejectLimit|1.58| +|detect|4.30| +|detectSeries|1.86| +|detectLimit|1.32| +|reduce|1.82| +|transform|2.46| +|sortBy|4.08| +|some|2.19| +|someSeries|1.83| +|someLimit|1.32| +|every|2.09| +|everySeries|1.84| +|everyLimit|1.35| +|concat|3.79| +|concatSeries|4.45| + +#### Control Flow +|funciton|benchmark| +|---|--:| +|parallel|2.93| +|series|1.96| +|waterfall|1.29| +|whilst|1.00| +|doWhilst|1.12| +|until|1.12| +|doUntil|1.12| +|during|1.18| +|doDuring|2.42| +|times|4.25| +|auto|1.97| + + +## License +[](https://app.fossa.io/projects/git%2Bgithub.com%2Fsuguru03%2Fneo-async?ref=badge_large) diff --git a/node_modules/neo-async/all.js b/node_modules/neo-async/all.js new file mode 100644 index 0000000..dad54e7 --- /dev/null +++ b/node_modules/neo-async/all.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').all; diff --git a/node_modules/neo-async/allLimit.js b/node_modules/neo-async/allLimit.js new file mode 100644 index 0000000..d9d7aaa --- /dev/null +++ b/node_modules/neo-async/allLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').allLimit; diff --git a/node_modules/neo-async/allSeries.js b/node_modules/neo-async/allSeries.js new file mode 100644 index 0000000..2a7a8ba --- /dev/null +++ b/node_modules/neo-async/allSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').allSeries; diff --git a/node_modules/neo-async/angelFall.js b/node_modules/neo-async/angelFall.js new file mode 100644 index 0000000..476c23e --- /dev/null +++ b/node_modules/neo-async/angelFall.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').angelfall; diff --git a/node_modules/neo-async/any.js b/node_modules/neo-async/any.js new file mode 100644 index 0000000..d6b07bb --- /dev/null +++ b/node_modules/neo-async/any.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').any; diff --git a/node_modules/neo-async/anyLimit.js b/node_modules/neo-async/anyLimit.js new file mode 100644 index 0000000..34114f8 --- /dev/null +++ b/node_modules/neo-async/anyLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').anyLimit; diff --git a/node_modules/neo-async/anySeries.js b/node_modules/neo-async/anySeries.js new file mode 100644 index 0000000..bb3781f --- /dev/null +++ b/node_modules/neo-async/anySeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').anySeries; diff --git a/node_modules/neo-async/apply.js b/node_modules/neo-async/apply.js new file mode 100644 index 0000000..41135e2 --- /dev/null +++ b/node_modules/neo-async/apply.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').apply; diff --git a/node_modules/neo-async/applyEach.js b/node_modules/neo-async/applyEach.js new file mode 100644 index 0000000..292bd1c --- /dev/null +++ b/node_modules/neo-async/applyEach.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').applyEach; diff --git a/node_modules/neo-async/applyEachSeries.js b/node_modules/neo-async/applyEachSeries.js new file mode 100644 index 0000000..0aece7c --- /dev/null +++ b/node_modules/neo-async/applyEachSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').applyEachSeries; diff --git a/node_modules/neo-async/async.js b/node_modules/neo-async/async.js new file mode 100644 index 0000000..e78eb16 --- /dev/null +++ b/node_modules/neo-async/async.js @@ -0,0 +1,9184 @@ +(function(global, factory) { + /*jshint -W030 */ + 'use strict'; + typeof exports === 'object' && typeof module !== 'undefined' + ? factory(exports) + : typeof define === 'function' && define.amd + ? define(['exports'], factory) + : global.async + ? factory((global.neo_async = global.neo_async || {})) + : factory((global.async = global.async || {})); +})(this, function(exports) { + 'use strict'; + + var noop = function noop() {}; + var throwError = function throwError() { + throw new Error('Callback was already called.'); + }; + + var DEFAULT_TIMES = 5; + var DEFAULT_INTERVAL = 0; + + var obj = 'object'; + var func = 'function'; + var isArray = Array.isArray; + var nativeKeys = Object.keys; + var nativePush = Array.prototype.push; + var iteratorSymbol = typeof Symbol === func && Symbol.iterator; + + var nextTick, asyncNextTick, asyncSetImmediate; + createImmediate(); + + /** + * @memberof async + * @namespace each + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(); + * }, num * 10); + * }; + * async.each(array, iterator, function(err, res) { + * console.log(res); // undefined + * console.log(order); // [1, 2, 3] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(); + * }, num * 10); + * }; + * async.each(array, iterator, function(err, res) { + * console.log(res); // undefined + * console.log(order); // [[1, 0], [2, 2], [3, 1]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(); + * }, num * 10); + * }; + * async.each(object, iterator, function(err, res) { + * console.log(res); // undefined + * console.log(order); // [1, 2, 3] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(); + * }, num * 10); + * }; + * async.each(object, iterator, function(err, res) { + * console.log(res); // undefined + * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']] + * }); + * + * @example + * + * // break + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num !== 2); + * }, num * 10); + * }; + * async.each(array, iterator, function(err, res) { + * console.log(res); // undefined + * console.log(order); // [1, 2] + * }); + * + */ + var each = createEach(arrayEach, baseEach, symbolEach); + + /** + * @memberof async + * @namespace map + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num); + * }, num * 10); + * }; + * async.map(array, iterator, function(err, res) { + * console.log(res); // [1, 3, 2]; + * console.log(order); // [1, 2, 3] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num); + * }, num * 10); + * }; + * async.map(array, iterator, function(err, res) { + * console.log(res); // [1, 3, 2] + * console.log(order); // [[1, 0], [2, 2], [3, 1]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num); + * }, num * 10); + * }; + * async.map(object, iterator, function(err, res) { + * console.log(res); // [1, 3, 2] + * console.log(order); // [1, 2, 3] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num); + * }, num * 10); + * }; + * async.map(object, iterator, function(err, res) { + * console.log(res); // [1, 3, 2] + * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']] + * }); + * + */ + var map = createMap(arrayEachIndex, baseEachIndex, symbolEachIndex, true); + + /** + * @memberof async + * @namespace mapValues + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num); + * }, num * 10); + * }; + * async.mapValues(array, iterator, function(err, res) { + * console.log(res); // { '0': 1, '1': 3, '2': 2 } + * console.log(order); // [1, 2, 3] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num); + * }, num * 10); + * }; + * async.mapValues(array, iterator, function(err, res) { + * console.log(res); // { '0': 1, '1': 3, '2': 2 } + * console.log(order); // [[1, 0], [2, 2], [3, 1]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num); + * }, num * 10); + * }; + * async.mapValues(object, iterator, function(err, res) { + * console.log(res); // { a: 1, b: 3, c: 2 } + * console.log(order); // [1, 2, 3] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num); + * }, num * 10); + * }; + * async.mapValues(object, iterator, function(err, res) { + * console.log(res); // { a: 1, b: 3, c: 2 } + * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']] + * }); + * + */ + var mapValues = createMap(arrayEachIndex, baseEachKey, symbolEachKey, false); + + /** + * @memberof async + * @namespace filter + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.filter(array, iterator, function(err, res) { + * console.log(res); // [1, 3]; + * console.log(order); // [1, 2, 3] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.filter(array, iterator, function(err, res) { + * console.log(res); // [1, 3]; + * console.log(order); // [[1, 0], [2, 2], [3, 1]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.filter(object, iterator, function(err, res) { + * console.log(res); // [1, 3]; + * console.log(order); // [1, 2, 3] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.filter(object, iterator, function(err, res) { + * console.log(res); // [1, 3]; + * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']] + * }); + * + */ + var filter = createFilter(arrayEachIndexValue, baseEachIndexValue, symbolEachIndexValue, true); + + /** + * @memberof async + * @namespace filterSeries + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.filterSeries(array, iterator, function(err, res) { + * console.log(res); // [1, 3]; + * console.log(order); // [1, 3, 2] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.filterSeries(array, iterator, function(err, res) { + * console.log(res); // [1, 3] + * console.log(order); // [[1, 0], [3, 1], [2, 2]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.filterSeries(object, iterator, function(err, res) { + * console.log(res); // [1, 3] + * console.log(order); // [1, 3, 2] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.filterSeries(object, iterator, function(err, res) { + * console.log(res); // [1, 3] + * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c']] + * }); + * + */ + var filterSeries = createFilterSeries(true); + + /** + * @memberof async + * @namespace filterLimit + * @param {Array|Object} collection + * @param {number} limit - limit >= 1 + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.filterLimit(array, 2, iterator, function(err, res) { + * console.log(res); // [1, 5, 3] + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.filterLimit(array, 2, iterator, function(err, res) { + * console.log(res); // [1, 5, 3] + * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.filterLimit(object, 2, iterator, function(err, res) { + * console.log(res); // [1, 5, 3] + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.filterLimit(object, 2, iterator, function(err, res) { + * console.log(res); // [1, 5, 3] + * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']] + * }); + * + */ + var filterLimit = createFilterLimit(true); + + /** + * @memberof async + * @namespace reject + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.reject(array, iterator, function(err, res) { + * console.log(res); // [2]; + * console.log(order); // [1, 2, 3] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.reject(array, iterator, function(err, res) { + * console.log(res); // [2]; + * console.log(order); // [[1, 0], [2, 2], [3, 1]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.reject(object, iterator, function(err, res) { + * console.log(res); // [2]; + * console.log(order); // [1, 2, 3] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.reject(object, iterator, function(err, res) { + * console.log(res); // [2]; + * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']] + * }); + * + */ + var reject = createFilter(arrayEachIndexValue, baseEachIndexValue, symbolEachIndexValue, false); + + /** + * @memberof async + * @namespace rejectSeries + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.rejectSeries(array, iterator, function(err, res) { + * console.log(res); // [2]; + * console.log(order); // [1, 3, 2] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.rejectSeries(object, iterator, function(err, res) { + * console.log(res); // [2]; + * console.log(order); // [1, 3, 2] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.rejectSeries(object, iterator, function(err, res) { + * console.log(res); // [2]; + * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c']] + * }); + * + */ + var rejectSeries = createFilterSeries(false); + + /** + * @memberof async + * @namespace rejectLimit + * @param {Array|Object} collection + * @param {number} limit - limit >= 1 + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.rejectLimit(array, 2, iterator, function(err, res) { + * console.log(res); // [4, 2] + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.rejectLimit(array, 2, iterator, function(err, res) { + * console.log(res); // [4, 2] + * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.rejectLimit(object, 2, iterator, function(err, res) { + * console.log(res); // [4, 2] + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.rejectLimit(object, 2, iterator, function(err, res) { + * console.log(res); // [4, 2] + * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']] + * }); + * + */ + var rejectLimit = createFilterLimit(false); + + /** + * @memberof async + * @namespace detect + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.detect(array, iterator, function(err, res) { + * console.log(res); // 1 + * console.log(order); // [1] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.detect(array, iterator, function(err, res) { + * console.log(res); // 1 + * console.log(order); // [[1, 0]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.detect(object, iterator, function(err, res) { + * console.log(res); // 1 + * console.log(order); // [1] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.detect(object, iterator, function(err, res) { + * console.log(res); // 1 + * console.log(order); // [[1, 'a']] + * }); + * + */ + var detect = createDetect(arrayEachValue, baseEachValue, symbolEachValue, true); + + /** + * @memberof async + * @namespace detectSeries + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.detectSeries(array, iterator, function(err, res) { + * console.log(res); // 1 + * console.log(order); // [1] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.detectSeries(array, iterator, function(err, res) { + * console.log(res); // 1 + * console.log(order); // [[1, 0]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.detectSeries(object, iterator, function(err, res) { + * console.log(res); // 1 + * console.log(order); // [1] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.detectSeries(object, iterator, function(err, res) { + * console.log(res); // 1 + * console.log(order); // [[1, 'a']] + * }); + * + */ + var detectSeries = createDetectSeries(true); + + /** + * @memberof async + * @namespace detectLimit + * @param {Array|Object} collection + * @param {number} limit - limit >= 1 + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.detectLimit(array, 2, iterator, function(err, res) { + * console.log(res); // 1 + * console.log(order); // [1] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.detectLimit(array, 2, iterator, function(err, res) { + * console.log(res); // 1 + * console.log(order); // [[1, 0]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.detectLimit(object, 2, iterator, function(err, res) { + * console.log(res); // 1 + * console.log(order); // [1] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.detectLimit(object, 2, iterator, function(err, res) { + * console.log(res); // 1 + * console.log(order); // [[1, 'a']] + * }); + * + */ + var detectLimit = createDetectLimit(true); + + /** + * @memberof async + * @namespace every + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.every(array, iterator, function(err, res) { + * console.log(res); // false + * console.log(order); // [1, 2] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.every(array, iterator, function(err, res) { + * console.log(res); // false + * console.log(order); // [[1, 0], [2, 2]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.every(object, iterator, function(err, res) { + * console.log(res); // false + * console.log(order); // [1, 2] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.every(object, iterator, function(err, res) { + * console.log(res); // false + * console.log(order); // [[1, 'a'], [2, 'c']] + * }); + * + */ + var every = createEvery(arrayEachValue, baseEachValue, symbolEachValue); + + /** + * @memberof async + * @namespace everySeries + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.everySeries(array, iterator, function(err, res) { + * console.log(res); // false + * console.log(order); // [1, 3, 2] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.everySeries(array, iterator, function(err, res) { + * console.log(res); // false + * console.log(order); // [[1, 0], [3, 1], [2, 2]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.everySeries(object, iterator, function(err, res) { + * console.log(res); // false + * console.log(order); // [1, 3, 2] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.everySeries(object, iterator, function(err, res) { + * console.log(res); // false + * console.log(order); // [[1, 'a'], [3, 'b'] [2, 'c']] + * }); + * + */ + var everySeries = createEverySeries(); + + /** + * @memberof async + * @namespace everyLimit + * @param {Array|Object} collection + * @param {number} limit - limit >= 1 + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.everyLimit(array, 2, iterator, function(err, res) { + * console.log(res); // false + * console.log(order); // [1, 3, 5, 2] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.everyLimit(array, 2, iterator, function(err, res) { + * console.log(res); // false + * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.everyLimit(object, 2, iterator, function(err, res) { + * console.log(res); // false + * console.log(order); // [1, 3, 5, 2] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.everyLimit(object, 2, iterator, function(err, res) { + * console.log(res); // false + * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e']] + * }); + * + */ + var everyLimit = createEveryLimit(); + + /** + * @memberof async + * @namespace pick + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2, 4]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.pick(array, iterator, function(err, res) { + * console.log(res); // { '0': 1, '1': 3 } + * console.log(order); // [1, 2, 3, 4] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2, 4]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.pick(array, iterator, function(err, res) { + * console.log(res); // { '0': 1, '1': 3 } + * console.log(order); // [[0, 1], [2, 2], [3, 1], [4, 3]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2, d: 4 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.pick(object, iterator, function(err, res) { + * console.log(res); // { a: 1, b: 3 } + * console.log(order); // [1, 2, 3, 4] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2, d: 4 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.pick(object, iterator, function(err, res) { + * console.log(res); // { a: 1, b: 3 } + * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b'], [4, 'd']] + * }); + * + */ + var pick = createPick(arrayEachIndexValue, baseEachKeyValue, symbolEachKeyValue, true); + + /** + * @memberof async + * @namespace pickSeries + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2, 4]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.pickSeries(array, iterator, function(err, res) { + * console.log(res); // { '0': 1, '1': 3 } + * console.log(order); // [1, 3, 2, 4] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2, 4]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.pickSeries(array, iterator, function(err, res) { + * console.log(res); // { '0': 1, '1': 3 } + * console.log(order); // [[0, 1], [3, 1], [2, 2], [4, 3]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2, d: 4 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.pickSeries(object, iterator, function(err, res) { + * console.log(res); // { a: 1, b: 3 } + * console.log(order); // [1, 3, 2, 4] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2, d: 4 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.pickSeries(object, iterator, function(err, res) { + * console.log(res); // { a: 1, b: 3 } + * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c'], [4, 'd']] + * }); + * + */ + var pickSeries = createPickSeries(true); + + /** + * @memberof async + * @namespace pickLimit + * @param {Array|Object} collection + * @param {number} limit - limit >= 1 + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.pickLimit(array, 2, iterator, function(err, res) { + * console.log(res); // { '0': 1, '1': 5, '2': 3 } + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.pickLimit(array, 2, iterator, function(err, res) { + * console.log(res); // { '0': 1, '1': 5, '2': 3 } + * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.pickLimit(object, 2, iterator, function(err, res) { + * console.log(res); // { a: 1, b: 5, c: 3 } + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.pickLimit(object, 2, iterator, function(err, res) { + * console.log(res); // { a: 1, b: 5, c: 3 } + * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']] + * }); + * + */ + var pickLimit = createPickLimit(true); + + /** + * @memberof async + * @namespace omit + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2, 4]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.omit(array, iterator, function(err, res) { + * console.log(res); // { '2': 2, '3': 4 } + * console.log(order); // [1, 2, 3, 4] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2, 4]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.omit(array, iterator, function(err, res) { + * console.log(res); // { '2': 2, '3': 4 } + * console.log(order); // [[0, 1], [2, 2], [3, 1], [4, 3]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2, d: 4 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.omit(object, iterator, function(err, res) { + * console.log(res); // { c: 2, d: 4 } + * console.log(order); // [1, 2, 3, 4] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2, d: 4 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.omit(object, iterator, function(err, res) { + * console.log(res); // { c: 2, d: 4 } + * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b'], [4, 'd']] + * }); + * + */ + var omit = createPick(arrayEachIndexValue, baseEachKeyValue, symbolEachKeyValue, false); + + /** + * @memberof async + * @namespace omitSeries + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2, 4]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.omitSeries(array, iterator, function(err, res) { + * console.log(res); // { '2': 2, '3': 4 } + * console.log(order); // [1, 3, 2, 4] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2, 4]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.omitSeries(array, iterator, function(err, res) { + * console.log(res); // { '2': 2, '3': 4 } + * console.log(order); // [[0, 1], [3, 1], [2, 2], [4, 3]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2, d: 4 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.omitSeries(object, iterator, function(err, res) { + * console.log(res); // { c: 2, d: 4 } + * console.log(order); // [1, 3, 2, 4] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2, d: 4 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.omitSeries(object, iterator, function(err, res) { + * console.log(res); // { c: 2, d: 4 } + * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c'], [4, 'd']] + * }); + * + */ + var omitSeries = createPickSeries(false); + + /** + * @memberof async + * @namespace omitLimit + * @param {Array|Object} collection + * @param {number} limit - limit >= 1 + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.omitLimit(array, 2, iterator, function(err, res) { + * console.log(res); // { '3': 4, '4': 2 } + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.omitLimit(array, 2, iterator, function(err, res) { + * console.log(res); // { '3': 4, '4': 2 } + * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.omitLimit(object, 2, iterator, function(err, res) { + * console.log(res); // { d: 4, e: 2 } + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.omitLimit(object, 2, iterator, function(err, res) { + * console.log(res); // { d: 4, e: 2 } + * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']] + * }); + * + */ + var omitLimit = createPickLimit(false); + + /** + * @memberof async + * @namespace transform + * @param {Array|Object} collection + * @param {Array|Object|Function} [accumulator] + * @param {Function} [iterator] + * @param {Function} [callback] + * @example + * + * // array + * var order = []; + * var collection = [1, 3, 2, 4]; + * var iterator = function(result, num, done) { + * setTimeout(function() { + * order.push(num); + * result.push(num) + * done(); + * }, num * 10); + * }; + * async.transform(collection, iterator, function(err, res) { + * console.log(res); // [1, 2, 3, 4] + * console.log(order); // [1, 2, 3, 4] + * }); + * + * @example + * + * // array with index and accumulator + * var order = []; + * var collection = [1, 3, 2, 4]; + * var iterator = function(result, num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * result[index] = num; + * done(); + * }, num * 10); + * }; + * async.transform(collection, {}, iterator, function(err, res) { + * console.log(res); // { '0': 1, '1': 3, '2': 2, '3': 4 } + * console.log(order); // [[1, 0], [2, 2], [3, 1], [4, 3]] + * }); + * + * @example + * + * // object with accumulator + * var order = []; + * var object = { a: 1, b: 3, c: 2, d: 4 }; + * var iterator = function(result, num, done) { + * setTimeout(function() { + * order.push(num); + * result.push(num); + * done(); + * }, num * 10); + * }; + * async.transform(collection, [], iterator, function(err, res) { + * console.log(res); // [1, 2, 3, 4] + * console.log(order); // [1, 2, 3, 4] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2, d: 4 }; + * var iterator = function(result, num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * result[key] = num; + * done(); + * }, num * 10); + * }; + * async.transform(collection, iterator, function(err, res) { + * console.log(res); // { a: 1, b: 3, c: 2, d: 4 } + * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b'], [4, 'd']] + * }); + * + */ + var transform = createTransform(arrayEachResult, baseEachResult, symbolEachResult); + + /** + * @memberof async + * @namespace sortBy + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num); + * }, num * 10); + * }; + * async.sortBy(array, iterator, function(err, res) { + * console.log(res); // [1, 2, 3]; + * console.log(order); // [1, 2, 3] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num); + * }, num * 10); + * }; + * async.sortBy(array, iterator, function(err, res) { + * console.log(res); // [1, 2, 3] + * console.log(order); // [[1, 0], [2, 2], [3, 1]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num); + * }, num * 10); + * }; + * async.sortBy(object, iterator, function(err, res) { + * console.log(res); // [1, 2, 3] + * console.log(order); // [1, 2, 3] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num); + * }, num * 10); + * }; + * async.sortBy(object, iterator, function(err, res) { + * console.log(res); // [1, 2, 3] + * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']] + * }); + * + */ + var sortBy = createSortBy(arrayEachIndexValue, baseEachIndexValue, symbolEachIndexValue); + + /** + * @memberof async + * @namespace concat + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, [num]); + * }, num * 10); + * }; + * async.concat(array, iterator, function(err, res) { + * console.log(res); // [1, 2, 3]; + * console.log(order); // [1, 2, 3] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, [num]); + * }, num * 10); + * }; + * async.concat(array, iterator, function(err, res) { + * console.log(res); // [1, 2, 3] + * console.log(order); // [[1, 0], [2, 2], [3, 1]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, [num]); + * }, num * 10); + * }; + * async.concat(object, iterator, function(err, res) { + * console.log(res); // [1, 2, 3] + * console.log(order); // [1, 2, 3] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, [num]); + * }, num * 10); + * }; + * async.concat(object, iterator, function(err, res) { + * console.log(res); // [1, 2, 3] + * console.log(order); // [[1, 'a'], [2, 'c'], [3, 'b']] + * }); + * + */ + var concat = createConcat(arrayEachIndex, baseEachIndex, symbolEachIndex); + + /** + * @memberof async + * @namespace groupBy + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [4.2, 6.4, 6.1]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, Math.floor(num)); + * }, num * 10); + * }; + * async.groupBy(array, iterator, function(err, res) { + * console.log(res); // { '4': [4.2], '6': [6.1, 6.4] } + * console.log(order); // [4.2, 6.1, 6.4] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [4.2, 6.4, 6.1]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, Math.floor(num)); + * }, num * 10); + * }; + * async.groupBy(array, iterator, function(err, res) { + * console.log(res); // { '4': [4.2], '6': [6.1, 6.4] } + * console.log(order); // [[4.2, 0], [6.1, 2], [6.4, 1]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 4.2, b: 6.4, c: 6.1 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, Math.floor(num)); + * }, num * 10); + * }; + * async.groupBy(object, iterator, function(err, res) { + * console.log(res); // { '4': [4.2], '6': [6.1, 6.4] } + * console.log(order); // [4.2, 6.1, 6.4] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 4.2, b: 6.4, c: 6.1 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, Math.floor(num)); + * }, num * 10); + * }; + * async.groupBy(object, iterator, function(err, res) { + * console.log(res); // { '4': [4.2], '6': [6.1, 6.4] } + * console.log(order); // [[4.2, 'a'], [6.1, 'c'], [6.4, 'b']] + * }); + * + */ + var groupBy = createGroupBy(arrayEachValue, baseEachValue, symbolEachValue); + + /** + * @memberof async + * @namespace parallel + * @param {Array|Object} tasks - functions + * @param {Function} callback + * @example + * + * var order = []; + * var tasks = [ + * function(done) { + * setTimeout(function() { + * order.push(1); + * done(null, 1); + * }, 10); + * }, + * function(done) { + * setTimeout(function() { + * order.push(2); + * done(null, 2); + * }, 30); + * }, + * function(done) { + * setTimeout(function() { + * order.push(3); + * done(null, 3); + * }, 40); + * }, + * function(done) { + * setTimeout(function() { + * order.push(4); + * done(null, 4); + * }, 20); + * } + * ]; + * async.parallel(tasks, function(err, res) { + * console.log(res); // [1, 2, 3, 4]; + * console.log(order); // [1, 4, 2, 3] + * }); + * + * @example + * + * var order = []; + * var tasks = { + * 'a': function(done) { + * setTimeout(function() { + * order.push(1); + * done(null, 1); + * }, 10); + * }, + * 'b': function(done) { + * setTimeout(function() { + * order.push(2); + * done(null, 2); + * }, 30); + * }, + * 'c': function(done) { + * setTimeout(function() { + * order.push(3); + * done(null, 3); + * }, 40); + * }, + * 'd': function(done) { + * setTimeout(function() { + * order.push(4); + * done(null, 4); + * }, 20); + * } + * }; + * async.parallel(tasks, function(err, res) { + * console.log(res); // { a: 1, b: 2, c: 3, d:4 } + * console.log(order); // [1, 4, 2, 3] + * }); + * + */ + var parallel = createParallel(arrayEachFunc, baseEachFunc); + + /** + * @memberof async + * @namespace applyEach + */ + var applyEach = createApplyEach(map); + + /** + * @memberof async + * @namespace applyEachSeries + */ + var applyEachSeries = createApplyEach(mapSeries); + + /** + * @memberof async + * @namespace log + */ + var log = createLogger('log'); + + /** + * @memberof async + * @namespace dir + */ + var dir = createLogger('dir'); + + /** + * @version 2.6.2 + * @namespace async + */ + var index = { + VERSION: '2.6.2', + + // Collections + each: each, + eachSeries: eachSeries, + eachLimit: eachLimit, + forEach: each, + forEachSeries: eachSeries, + forEachLimit: eachLimit, + eachOf: each, + eachOfSeries: eachSeries, + eachOfLimit: eachLimit, + forEachOf: each, + forEachOfSeries: eachSeries, + forEachOfLimit: eachLimit, + map: map, + mapSeries: mapSeries, + mapLimit: mapLimit, + mapValues: mapValues, + mapValuesSeries: mapValuesSeries, + mapValuesLimit: mapValuesLimit, + filter: filter, + filterSeries: filterSeries, + filterLimit: filterLimit, + select: filter, + selectSeries: filterSeries, + selectLimit: filterLimit, + reject: reject, + rejectSeries: rejectSeries, + rejectLimit: rejectLimit, + detect: detect, + detectSeries: detectSeries, + detectLimit: detectLimit, + find: detect, + findSeries: detectSeries, + findLimit: detectLimit, + pick: pick, + pickSeries: pickSeries, + pickLimit: pickLimit, + omit: omit, + omitSeries: omitSeries, + omitLimit: omitLimit, + reduce: reduce, + inject: reduce, + foldl: reduce, + reduceRight: reduceRight, + foldr: reduceRight, + transform: transform, + transformSeries: transformSeries, + transformLimit: transformLimit, + sortBy: sortBy, + sortBySeries: sortBySeries, + sortByLimit: sortByLimit, + some: some, + someSeries: someSeries, + someLimit: someLimit, + any: some, + anySeries: someSeries, + anyLimit: someLimit, + every: every, + everySeries: everySeries, + everyLimit: everyLimit, + all: every, + allSeries: everySeries, + allLimit: everyLimit, + concat: concat, + concatSeries: concatSeries, + concatLimit: concatLimit, + groupBy: groupBy, + groupBySeries: groupBySeries, + groupByLimit: groupByLimit, + + // Control Flow + parallel: parallel, + series: series, + parallelLimit: parallelLimit, + tryEach: tryEach, + waterfall: waterfall, + angelFall: angelFall, + angelfall: angelFall, + whilst: whilst, + doWhilst: doWhilst, + until: until, + doUntil: doUntil, + during: during, + doDuring: doDuring, + forever: forever, + compose: compose, + seq: seq, + applyEach: applyEach, + applyEachSeries: applyEachSeries, + queue: queue, + priorityQueue: priorityQueue, + cargo: cargo, + auto: auto, + autoInject: autoInject, + retry: retry, + retryable: retryable, + iterator: iterator, + times: times, + timesSeries: timesSeries, + timesLimit: timesLimit, + race: race, + + // Utils + apply: apply, + nextTick: asyncNextTick, + setImmediate: asyncSetImmediate, + memoize: memoize, + unmemoize: unmemoize, + ensureAsync: ensureAsync, + constant: constant, + asyncify: asyncify, + wrapSync: asyncify, + log: log, + dir: dir, + reflect: reflect, + reflectAll: reflectAll, + timeout: timeout, + createLogger: createLogger, + + // Mode + safe: safe, + fast: fast + }; + + exports['default'] = index; + baseEachSync( + index, + function(func, key) { + exports[key] = func; + }, + nativeKeys(index) + ); + + /** + * @private + */ + function createImmediate(safeMode) { + var delay = function delay(fn) { + var args = slice(arguments, 1); + setTimeout(function() { + fn.apply(null, args); + }); + }; + asyncSetImmediate = typeof setImmediate === func ? setImmediate : delay; + if (typeof process === obj && typeof process.nextTick === func) { + nextTick = /^v0.10/.test(process.version) ? asyncSetImmediate : process.nextTick; + asyncNextTick = /^v0/.test(process.version) ? asyncSetImmediate : process.nextTick; + } else { + asyncNextTick = nextTick = asyncSetImmediate; + } + if (safeMode === false) { + nextTick = function(cb) { + cb(); + }; + } + } + + /* sync functions based on lodash */ + + /** + * Converts `arguments` to an array. + * + * @private + * @param {Array} array = The array to slice. + */ + function createArray(array) { + var index = -1; + var size = array.length; + var result = Array(size); + + while (++index < size) { + result[index] = array[index]; + } + return result; + } + + /** + * Create an array from `start` + * + * @private + * @param {Array} array - The array to slice. + * @param {number} start - The start position. + */ + function slice(array, start) { + var end = array.length; + var index = -1; + var size = end - start; + if (size <= 0) { + return []; + } + var result = Array(size); + + while (++index < size) { + result[index] = array[index + start]; + } + return result; + } + + /** + * @private + * @param {Object} object + */ + function objectClone(object) { + var keys = nativeKeys(object); + var size = keys.length; + var index = -1; + var result = {}; + + while (++index < size) { + var key = keys[index]; + result[key] = object[key]; + } + return result; + } + + /** + * Create an array with all falsey values removed. + * + * @private + * @param {Array} array - The array to compact. + */ + function compact(array) { + var index = -1; + var size = array.length; + var result = []; + + while (++index < size) { + var value = array[index]; + if (value) { + result[result.length] = value; + } + } + return result; + } + + /** + * Create an array of reverse sequence. + * + * @private + * @param {Array} array - The array to reverse. + */ + function reverse(array) { + var index = -1; + var size = array.length; + var result = Array(size); + var resIndex = size; + + while (++index < size) { + result[--resIndex] = array[index]; + } + return result; + } + + /** + * Checks if key exists in object property. + * + * @private + * @param {Object} object - The object to inspect. + * @param {string} key - The key to check. + */ + function has(object, key) { + return object.hasOwnProperty(key); + } + + /** + * Check if target exists in array. + * @private + * @param {Array} array + * @param {*} target + */ + function notInclude(array, target) { + var index = -1; + var size = array.length; + + while (++index < size) { + if (array[index] === target) { + return false; + } + } + return true; + } + + /** + * @private + * @param {Array} array - The array to iterate over. + * @param {Function} iterator - The function invoked per iteration. + */ + function arrayEachSync(array, iterator) { + var index = -1; + var size = array.length; + + while (++index < size) { + iterator(array[index], index); + } + return array; + } + + /** + * @private + * @param {Object} object - The object to iterate over. + * @param {Function} iterator - The function invoked per iteration. + * @param {Array} keys + */ + function baseEachSync(object, iterator, keys) { + var index = -1; + var size = keys.length; + + while (++index < size) { + var key = keys[index]; + iterator(object[key], key); + } + return object; + } + + /** + * @private + * @param {number} n + * @param {Function} iterator + */ + function timesSync(n, iterator) { + var index = -1; + while (++index < n) { + iterator(index); + } + } + + /** + * @private + * @param {Array} array + * @param {number[]} criteria + */ + function sortByCriteria(array, criteria) { + var l = array.length; + var indices = Array(l); + var i; + for (i = 0; i < l; i++) { + indices[i] = i; + } + quickSort(criteria, 0, l - 1, indices); + var result = Array(l); + for (var n = 0; n < l; n++) { + i = indices[n]; + result[n] = i === undefined ? array[n] : array[i]; + } + return result; + } + + function partition(array, i, j, mid, indices) { + var l = i; + var r = j; + while (l <= r) { + i = l; + while (l < r && array[l] < mid) { + l++; + } + while (r >= i && array[r] >= mid) { + r--; + } + if (l > r) { + break; + } + swap(array, indices, l++, r--); + } + return l; + } + + function swap(array, indices, l, r) { + var n = array[l]; + array[l] = array[r]; + array[r] = n; + var i = indices[l]; + indices[l] = indices[r]; + indices[r] = i; + } + + function quickSort(array, i, j, indices) { + if (i === j) { + return; + } + var k = i; + while (++k <= j && array[i] === array[k]) { + var l = k - 1; + if (indices[l] > indices[k]) { + var index = indices[l]; + indices[l] = indices[k]; + indices[k] = index; + } + } + if (k > j) { + return; + } + var p = array[i] > array[k] ? i : k; + k = partition(array, i, j, array[p], indices); + quickSort(array, i, k - 1, indices); + quickSort(array, k, j, indices); + } + + /** + * @Private + */ + function makeConcatResult(array) { + var result = []; + arrayEachSync(array, function(value) { + if (value === noop) { + return; + } + if (isArray(value)) { + nativePush.apply(result, value); + } else { + result.push(value); + } + }); + return result; + } + + /* async functions */ + + /** + * @private + */ + function arrayEach(array, iterator, callback) { + var index = -1; + var size = array.length; + + if (iterator.length === 3) { + while (++index < size) { + iterator(array[index], index, onlyOnce(callback)); + } + } else { + while (++index < size) { + iterator(array[index], onlyOnce(callback)); + } + } + } + + /** + * @private + */ + function baseEach(object, iterator, callback, keys) { + var key; + var index = -1; + var size = keys.length; + + if (iterator.length === 3) { + while (++index < size) { + key = keys[index]; + iterator(object[key], key, onlyOnce(callback)); + } + } else { + while (++index < size) { + iterator(object[keys[index]], onlyOnce(callback)); + } + } + } + + /** + * @private + */ + function symbolEach(collection, iterator, callback) { + var iter = collection[iteratorSymbol](); + var index = 0; + var item; + if (iterator.length === 3) { + while ((item = iter.next()).done === false) { + iterator(item.value, index++, onlyOnce(callback)); + } + } else { + while ((item = iter.next()).done === false) { + index++; + iterator(item.value, onlyOnce(callback)); + } + } + return index; + } + + /** + * @private + */ + function arrayEachResult(array, result, iterator, callback) { + var index = -1; + var size = array.length; + + if (iterator.length === 4) { + while (++index < size) { + iterator(result, array[index], index, onlyOnce(callback)); + } + } else { + while (++index < size) { + iterator(result, array[index], onlyOnce(callback)); + } + } + } + + /** + * @private + */ + function baseEachResult(object, result, iterator, callback, keys) { + var key; + var index = -1; + var size = keys.length; + + if (iterator.length === 4) { + while (++index < size) { + key = keys[index]; + iterator(result, object[key], key, onlyOnce(callback)); + } + } else { + while (++index < size) { + iterator(result, object[keys[index]], onlyOnce(callback)); + } + } + } + + /** + * @private + */ + function symbolEachResult(collection, result, iterator, callback) { + var item; + var index = 0; + var iter = collection[iteratorSymbol](); + + if (iterator.length === 4) { + while ((item = iter.next()).done === false) { + iterator(result, item.value, index++, onlyOnce(callback)); + } + } else { + while ((item = iter.next()).done === false) { + index++; + iterator(result, item.value, onlyOnce(callback)); + } + } + return index; + } + + /** + * @private + */ + function arrayEachFunc(array, createCallback) { + var index = -1; + var size = array.length; + + while (++index < size) { + array[index](createCallback(index)); + } + } + + /** + * @private + */ + function baseEachFunc(object, createCallback, keys) { + var key; + var index = -1; + var size = keys.length; + + while (++index < size) { + key = keys[index]; + object[key](createCallback(key)); + } + } + + /** + * @private + */ + function arrayEachIndex(array, iterator, createCallback) { + var index = -1; + var size = array.length; + + if (iterator.length === 3) { + while (++index < size) { + iterator(array[index], index, createCallback(index)); + } + } else { + while (++index < size) { + iterator(array[index], createCallback(index)); + } + } + } + + /** + * @private + */ + function baseEachIndex(object, iterator, createCallback, keys) { + var key; + var index = -1; + var size = keys.length; + + if (iterator.length === 3) { + while (++index < size) { + key = keys[index]; + iterator(object[key], key, createCallback(index)); + } + } else { + while (++index < size) { + iterator(object[keys[index]], createCallback(index)); + } + } + } + + /** + * @private + */ + function symbolEachIndex(collection, iterator, createCallback) { + var item; + var index = 0; + var iter = collection[iteratorSymbol](); + + if (iterator.length === 3) { + while ((item = iter.next()).done === false) { + iterator(item.value, index, createCallback(index++)); + } + } else { + while ((item = iter.next()).done === false) { + iterator(item.value, createCallback(index++)); + } + } + return index; + } + + /** + * @private + */ + function baseEachKey(object, iterator, createCallback, keys) { + var key; + var index = -1; + var size = keys.length; + + if (iterator.length === 3) { + while (++index < size) { + key = keys[index]; + iterator(object[key], key, createCallback(key)); + } + } else { + while (++index < size) { + key = keys[index]; + iterator(object[key], createCallback(key)); + } + } + } + + /** + * @private + */ + function symbolEachKey(collection, iterator, createCallback) { + var item; + var index = 0; + var iter = collection[iteratorSymbol](); + + if (iterator.length === 3) { + while ((item = iter.next()).done === false) { + iterator(item.value, index, createCallback(index++)); + } + } else { + while ((item = iter.next()).done === false) { + iterator(item.value, createCallback(index++)); + } + } + return index; + } + + /** + * @private + */ + function arrayEachValue(array, iterator, createCallback) { + var value; + var index = -1; + var size = array.length; + + if (iterator.length === 3) { + while (++index < size) { + value = array[index]; + iterator(value, index, createCallback(value)); + } + } else { + while (++index < size) { + value = array[index]; + iterator(value, createCallback(value)); + } + } + } + + /** + * @private + */ + function baseEachValue(object, iterator, createCallback, keys) { + var key, value; + var index = -1; + var size = keys.length; + + if (iterator.length === 3) { + while (++index < size) { + key = keys[index]; + value = object[key]; + iterator(value, key, createCallback(value)); + } + } else { + while (++index < size) { + value = object[keys[index]]; + iterator(value, createCallback(value)); + } + } + } + + /** + * @private + */ + function symbolEachValue(collection, iterator, createCallback) { + var value, item; + var index = 0; + var iter = collection[iteratorSymbol](); + + if (iterator.length === 3) { + while ((item = iter.next()).done === false) { + value = item.value; + iterator(value, index++, createCallback(value)); + } + } else { + while ((item = iter.next()).done === false) { + index++; + value = item.value; + iterator(value, createCallback(value)); + } + } + return index; + } + + /** + * @private + */ + function arrayEachIndexValue(array, iterator, createCallback) { + var value; + var index = -1; + var size = array.length; + + if (iterator.length === 3) { + while (++index < size) { + value = array[index]; + iterator(value, index, createCallback(index, value)); + } + } else { + while (++index < size) { + value = array[index]; + iterator(value, createCallback(index, value)); + } + } + } + + /** + * @private + */ + function baseEachIndexValue(object, iterator, createCallback, keys) { + var key, value; + var index = -1; + var size = keys.length; + + if (iterator.length === 3) { + while (++index < size) { + key = keys[index]; + value = object[key]; + iterator(value, key, createCallback(index, value)); + } + } else { + while (++index < size) { + value = object[keys[index]]; + iterator(value, createCallback(index, value)); + } + } + } + + /** + * @private + */ + function symbolEachIndexValue(collection, iterator, createCallback) { + var value, item; + var index = 0; + var iter = collection[iteratorSymbol](); + + if (iterator.length === 3) { + while ((item = iter.next()).done === false) { + value = item.value; + iterator(value, index, createCallback(index++, value)); + } + } else { + while ((item = iter.next()).done === false) { + value = item.value; + iterator(value, createCallback(index++, value)); + } + } + return index; + } + + /** + * @private + */ + function baseEachKeyValue(object, iterator, createCallback, keys) { + var key, value; + var index = -1; + var size = keys.length; + + if (iterator.length === 3) { + while (++index < size) { + key = keys[index]; + value = object[key]; + iterator(value, key, createCallback(key, value)); + } + } else { + while (++index < size) { + key = keys[index]; + value = object[key]; + iterator(value, createCallback(key, value)); + } + } + } + + /** + * @private + */ + function symbolEachKeyValue(collection, iterator, createCallback) { + var value, item; + var index = 0; + var iter = collection[iteratorSymbol](); + + if (iterator.length === 3) { + while ((item = iter.next()).done === false) { + value = item.value; + iterator(value, index, createCallback(index++, value)); + } + } else { + while ((item = iter.next()).done === false) { + value = item.value; + iterator(value, createCallback(index++, value)); + } + } + return index; + } + + /** + * @private + * @param {Function} func + */ + function onlyOnce(func) { + return function(err, res) { + var fn = func; + func = throwError; + fn(err, res); + }; + } + + /** + * @private + * @param {Function} func + */ + function once(func) { + return function(err, res) { + var fn = func; + func = noop; + fn(err, res); + }; + } + + /** + * @private + * @param {Function} arrayEach + * @param {Function} baseEach + */ + function createEach(arrayEach, baseEach, symbolEach) { + return function each(collection, iterator, callback) { + callback = once(callback || noop); + var size, keys; + var completed = 0; + if (isArray(collection)) { + size = collection.length; + arrayEach(collection, iterator, done); + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = symbolEach(collection, iterator, done); + size && size === completed && callback(null); + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + baseEach(collection, iterator, done, keys); + } + if (!size) { + callback(null); + } + + function done(err, bool) { + if (err) { + callback = once(callback); + callback(err); + } else if (++completed === size) { + callback(null); + } else if (bool === false) { + callback = once(callback); + callback(null); + } + } + }; + } + + /** + * @private + * @param {Function} arrayEach + * @param {Function} baseEach + * @param {Function} symbolEach + */ + function createMap(arrayEach, baseEach, symbolEach, useArray) { + var init, clone; + if (useArray) { + init = Array; + clone = createArray; + } else { + init = function() { + return {}; + }; + clone = objectClone; + } + + return function(collection, iterator, callback) { + callback = callback || noop; + var size, keys, result; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + result = init(size); + arrayEach(collection, iterator, createCallback); + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + // TODO: size could be changed + result = init(0); + size = symbolEach(collection, iterator, createCallback); + size && size === completed && callback(null, result); + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + result = init(size); + baseEach(collection, iterator, createCallback, keys); + } + if (!size) { + callback(null, init()); + } + + function createCallback(key) { + return function done(err, res) { + if (key === null) { + throwError(); + } + if (err) { + key = null; + callback = once(callback); + callback(err, clone(result)); + return; + } + result[key] = res; + key = null; + if (++completed === size) { + callback(null, result); + } + }; + } + }; + } + + /** + * @private + * @param {Function} arrayEach + * @param {Function} baseEach + * @param {Function} symbolEach + * @param {boolean} bool + */ + function createFilter(arrayEach, baseEach, symbolEach, bool) { + return function(collection, iterator, callback) { + callback = callback || noop; + var size, keys, result; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + result = Array(size); + arrayEach(collection, iterator, createCallback); + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + result = []; + size = symbolEach(collection, iterator, createCallback); + size && size === completed && callback(null, compact(result)); + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + result = Array(size); + baseEach(collection, iterator, createCallback, keys); + } + if (!size) { + return callback(null, []); + } + + function createCallback(index, value) { + return function done(err, res) { + if (index === null) { + throwError(); + } + if (err) { + index = null; + callback = once(callback); + callback(err); + return; + } + if (!!res === bool) { + result[index] = value; + } + index = null; + if (++completed === size) { + callback(null, compact(result)); + } + }; + } + }; + } + + /** + * @private + * @param {boolean} bool + */ + function createFilterSeries(bool) { + return function(collection, iterator, callback) { + callback = onlyOnce(callback || noop); + var size, key, value, keys, iter, item, iterate; + var sync = false; + var completed = 0; + var result = []; + + if (isArray(collection)) { + size = collection.length; + iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + iter = collection[iteratorSymbol](); + iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator; + } + if (!size) { + return callback(null, []); + } + iterate(); + + function arrayIterator() { + value = collection[completed]; + iterator(value, done); + } + + function arrayIteratorWithIndex() { + value = collection[completed]; + iterator(value, completed, done); + } + + function symbolIterator() { + item = iter.next(); + value = item.value; + item.done ? callback(null, result) : iterator(value, done); + } + + function symbolIteratorWithKey() { + item = iter.next(); + value = item.value; + item.done ? callback(null, result) : iterator(value, completed, done); + } + + function objectIterator() { + key = keys[completed]; + value = collection[key]; + iterator(value, done); + } + + function objectIteratorWithKey() { + key = keys[completed]; + value = collection[key]; + iterator(value, key, done); + } + + function done(err, res) { + if (err) { + callback(err); + return; + } + if (!!res === bool) { + result[result.length] = value; + } + if (++completed === size) { + iterate = throwError; + callback(null, result); + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + } + }; + } + + /** + * @private + * @param {boolean} bool + */ + function createFilterLimit(bool) { + return function(collection, limit, iterator, callback) { + callback = callback || noop; + var size, index, key, value, keys, iter, item, iterate, result; + var sync = false; + var started = 0; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + result = []; + iter = collection[iteratorSymbol](); + iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator; + } + if (!size || isNaN(limit) || limit < 1) { + return callback(null, []); + } + result = result || Array(size); + timesSync(limit > size ? size : limit, iterate); + + function arrayIterator() { + index = started++; + if (index < size) { + value = collection[index]; + iterator(value, createCallback(value, index)); + } + } + + function arrayIteratorWithIndex() { + index = started++; + if (index < size) { + value = collection[index]; + iterator(value, index, createCallback(value, index)); + } + } + + function symbolIterator() { + item = iter.next(); + if (item.done === false) { + value = item.value; + iterator(value, createCallback(value, started++)); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null, compact(result)); + } + } + + function symbolIteratorWithKey() { + item = iter.next(); + if (item.done === false) { + value = item.value; + iterator(value, started, createCallback(value, started++)); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null, compact(result)); + } + } + + function objectIterator() { + index = started++; + if (index < size) { + value = collection[keys[index]]; + iterator(value, createCallback(value, index)); + } + } + + function objectIteratorWithKey() { + index = started++; + if (index < size) { + key = keys[index]; + value = collection[key]; + iterator(value, key, createCallback(value, index)); + } + } + + function createCallback(value, index) { + return function(err, res) { + if (index === null) { + throwError(); + } + if (err) { + index = null; + iterate = noop; + callback = once(callback); + callback(err); + return; + } + if (!!res === bool) { + result[index] = value; + } + index = null; + if (++completed === size) { + callback = onlyOnce(callback); + callback(null, compact(result)); + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + }; + } + }; + } + + /** + * @memberof async + * @namespace eachSeries + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(); + * }, num * 10); + * }; + * async.eachSeries(array, iterator, function(err, res) { + * console.log(res); // undefined + * console.log(order); // [1, 3, 2] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(); + * }, num * 10); + * }; + * async.eachSeries(array, iterator, function(err, res) { + * console.log(res); // undefined + * console.log(order); // [[1, 0], [3, 1], [2, 2]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(); + * }, num * 10); + * }; + * async.eachSeries(object, iterator, function(err, res) { + * console.log(res); // undefined + * console.log(order); // [1, 3, 2] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(); + * }, num * 10); + * }; + * async.eachSeries(object, iterator, function(err, res) { + * console.log(res); // undefined + * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'b']] + * }); + * + * @example + * + * // break + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num !== 3); + * }, num * 10); + * }; + * async.eachSeries(array, iterator, function(err, res) { + * console.log(res); // undefined + * console.log(order); // [1, 3] + * }); + */ + function eachSeries(collection, iterator, callback) { + callback = onlyOnce(callback || noop); + var size, key, keys, iter, item, iterate; + var sync = false; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + iter = collection[iteratorSymbol](); + iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator; + } + if (!size) { + return callback(null); + } + iterate(); + + function arrayIterator() { + iterator(collection[completed], done); + } + + function arrayIteratorWithIndex() { + iterator(collection[completed], completed, done); + } + + function symbolIterator() { + item = iter.next(); + item.done ? callback(null) : iterator(item.value, done); + } + + function symbolIteratorWithKey() { + item = iter.next(); + item.done ? callback(null) : iterator(item.value, completed, done); + } + + function objectIterator() { + iterator(collection[keys[completed]], done); + } + + function objectIteratorWithKey() { + key = keys[completed]; + iterator(collection[key], key, done); + } + + function done(err, bool) { + if (err) { + callback(err); + } else if (++completed === size || bool === false) { + iterate = throwError; + callback(null); + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + } + } + + /** + * @memberof async + * @namespace eachLimit + * @param {Array|Object} collection + * @param {number} limit - limit >= 1 + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(); + * }, num * 10); + * }; + * async.eachLimit(array, 2, iterator, function(err, res) { + * console.log(res); // undefined + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(); + * }, num * 10); + * }; + * async.eachLimit(array, 2, iterator, function(err, res) { + * console.log(res); // undefined + * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(); + * }, num * 10); + * }; + * async.eachLimit(object, 2, iterator, function(err, res) { + * console.log(res); // undefined + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(); + * }, num * 10); + * }; + * async.eachLimit(object, 2, iterator, function(err, res) { + * console.log(res); // undefined + * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']] + * }); + * + * @example + * + * // break + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num !== 5); + * }, num * 10); + * }; + * async.eachLimit(array, 2, iterator, function(err, res) { + * console.log(res); // undefined + * console.log(order); // [1, 3, 5] + * }); + * + */ + function eachLimit(collection, limit, iterator, callback) { + callback = callback || noop; + var size, index, key, keys, iter, item, iterate; + var sync = false; + var started = 0; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + iter = collection[iteratorSymbol](); + iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator; + } else { + return callback(null); + } + if (!size || isNaN(limit) || limit < 1) { + return callback(null); + } + timesSync(limit > size ? size : limit, iterate); + + function arrayIterator() { + if (started < size) { + iterator(collection[started++], done); + } + } + + function arrayIteratorWithIndex() { + index = started++; + if (index < size) { + iterator(collection[index], index, done); + } + } + + function symbolIterator() { + item = iter.next(); + if (item.done === false) { + started++; + iterator(item.value, done); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null); + } + } + + function symbolIteratorWithKey() { + item = iter.next(); + if (item.done === false) { + iterator(item.value, started++, done); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null); + } + } + + function objectIterator() { + if (started < size) { + iterator(collection[keys[started++]], done); + } + } + + function objectIteratorWithKey() { + index = started++; + if (index < size) { + key = keys[index]; + iterator(collection[key], key, done); + } + } + + function done(err, bool) { + if (err || bool === false) { + iterate = noop; + callback = once(callback); + callback(err); + } else if (++completed === size) { + iterator = noop; + iterate = throwError; + callback = onlyOnce(callback); + callback(null); + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + } + } + + /** + * @memberof async + * @namespace mapSeries + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num); + * }, num * 10); + * }; + * async.mapSeries(array, iterator, function(err, res) { + * console.log(res); // [1, 3, 2]; + * console.log(order); // [1, 3, 2] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num); + * }, num * 10); + * }; + * async.mapSeries(array, iterator, function(err, res) { + * console.log(res); // [1, 3, 2] + * console.log(order); // [[1, 0], [3, 1], [2, 2]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num); + * }, num * 10); + * }; + * async.mapSeries(object, iterator, function(err, res) { + * console.log(res); // [1, 3, 2] + * console.log(order); // [1, 3, 2] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num); + * }, num * 10); + * }; + * async.mapSeries(object, iterator, function(err, res) { + * console.log(res); // [1, 3, 2] + * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c']] + * }); + * + */ + function mapSeries(collection, iterator, callback) { + callback = callback || noop; + var size, key, keys, iter, item, result, iterate; + var sync = false; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + result = []; + iter = collection[iteratorSymbol](); + iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator; + } + if (!size) { + return callback(null, []); + } + result = result || Array(size); + iterate(); + + function arrayIterator() { + iterator(collection[completed], done); + } + + function arrayIteratorWithIndex() { + iterator(collection[completed], completed, done); + } + + function symbolIterator() { + item = iter.next(); + item.done ? callback(null, result) : iterator(item.value, done); + } + + function symbolIteratorWithKey() { + item = iter.next(); + item.done ? callback(null, result) : iterator(item.value, completed, done); + } + + function objectIterator() { + iterator(collection[keys[completed]], done); + } + + function objectIteratorWithKey() { + key = keys[completed]; + iterator(collection[key], key, done); + } + + function done(err, res) { + if (err) { + iterate = throwError; + callback = onlyOnce(callback); + callback(err, createArray(result)); + return; + } + result[completed] = res; + if (++completed === size) { + iterate = throwError; + callback(null, result); + callback = throwError; + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + } + } + + /** + * @memberof async + * @namespace mapLimit + * @param {Array|Object} collection + * @param {number} limit - limit >= 1 + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num); + * }, num * 10); + * }; + * async.mapLimit(array, 2, iterator, function(err, res) { + * console.log(res); // [1, 5, 3, 4, 2] + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num); + * }, num * 10); + * }; + * async.mapLimit(array, 2, iterator, function(err, res) { + * console.log(res); // [1, 5, 3, 4, 2] + * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num); + * }, num * 10); + * }; + * async.mapLimit(object, 2, iterator, function(err, res) { + * console.log(res); // [1, 5, 3, 4, 2] + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num); + * }, num * 10); + * }; + * async.mapLimit(object, 2, iterator, function(err, res) { + * console.log(res); // [1, 5, 3, 4, 2] + * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']] + * }); + * + */ + function mapLimit(collection, limit, iterator, callback) { + callback = callback || noop; + var size, index, key, keys, iter, item, result, iterate; + var sync = false; + var started = 0; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + result = []; + iter = collection[iteratorSymbol](); + iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator; + } + if (!size || isNaN(limit) || limit < 1) { + return callback(null, []); + } + result = result || Array(size); + timesSync(limit > size ? size : limit, iterate); + + function arrayIterator() { + index = started++; + if (index < size) { + iterator(collection[index], createCallback(index)); + } + } + + function arrayIteratorWithIndex() { + index = started++; + if (index < size) { + iterator(collection[index], index, createCallback(index)); + } + } + + function symbolIterator() { + item = iter.next(); + if (item.done === false) { + iterator(item.value, createCallback(started++)); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null, result); + } + } + + function symbolIteratorWithKey() { + item = iter.next(); + if (item.done === false) { + iterator(item.value, started, createCallback(started++)); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null, result); + } + } + + function objectIterator() { + index = started++; + if (index < size) { + iterator(collection[keys[index]], createCallback(index)); + } + } + + function objectIteratorWithKey() { + index = started++; + if (index < size) { + key = keys[index]; + iterator(collection[key], key, createCallback(index)); + } + } + + function createCallback(index) { + return function(err, res) { + if (index === null) { + throwError(); + } + if (err) { + index = null; + iterate = noop; + callback = once(callback); + callback(err, createArray(result)); + return; + } + result[index] = res; + index = null; + if (++completed === size) { + iterate = throwError; + callback(null, result); + callback = throwError; + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + }; + } + } + + /** + * @memberof async + * @namespace mapValuesSeries + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num); + * }, num * 10); + * }; + * async.mapValuesSeries(array, iterator, function(err, res) { + * console.log(res); // { '0': 1, '1': 3, '2': 2 } + * console.log(order); // [1, 3, 2] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num); + * }, num * 10); + * }; + * async.mapValuesSeries(array, iterator, function(err, res) { + * console.log(res); // { '0': 1, '1': 3, '2': 2 } + * console.log(order); // [[1, 0], [3, 1], [2, 2]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num); + * }, num * 10); + * }; + * async.mapValuesSeries(object, iterator, function(err, res) { + * console.log(res); // { a: 1, b: 3, c: 2 } + * console.log(order); // [1, 3, 2] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num); + * }, num * 10); + * }; + * async.mapValuesSeries(object, iterator, function(err, res) { + * console.log(res); // { a: 1, b: 3, c: 2 } + * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c']] + * }); + * + */ + function mapValuesSeries(collection, iterator, callback) { + callback = callback || noop; + var size, key, keys, iter, item, iterate; + var sync = false; + var result = {}; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + iter = collection[iteratorSymbol](); + iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator; + } + if (!size) { + return callback(null, result); + } + iterate(); + + function arrayIterator() { + key = completed; + iterator(collection[completed], done); + } + + function arrayIteratorWithIndex() { + key = completed; + iterator(collection[completed], completed, done); + } + + function symbolIterator() { + key = completed; + item = iter.next(); + item.done ? callback(null, result) : iterator(item.value, done); + } + + function symbolIteratorWithKey() { + key = completed; + item = iter.next(); + item.done ? callback(null, result) : iterator(item.value, completed, done); + } + + function objectIterator() { + key = keys[completed]; + iterator(collection[key], done); + } + + function objectIteratorWithKey() { + key = keys[completed]; + iterator(collection[key], key, done); + } + + function done(err, res) { + if (err) { + iterate = throwError; + callback = onlyOnce(callback); + callback(err, objectClone(result)); + return; + } + result[key] = res; + if (++completed === size) { + iterate = throwError; + callback(null, result); + callback = throwError; + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + } + } + + /** + * @memberof async + * @namespace mapValuesLimit + * @param {Array|Object} collection + * @param {number} limit - limit >= 1 + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num); + * }, num * 10); + * }; + * async.mapValuesLimit(array, 2, iterator, function(err, res) { + * console.log(res); // { '0': 1, '1': 5, '2': 3, '3': 4, '4': 2 } + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num); + * }, num * 10); + * }; + * async.mapValuesLimit(array, 2, iterator, function(err, res) { + * console.log(res); // { '0': 1, '1': 5, '2': 3, '3': 4, '4': 2 } + * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num); + * }, num * 10); + * }; + * async.mapValuesLimit(object, 2, iterator, function(err, res) { + * console.log(res); // { a: 1, b: 5, c: 3, d: 4, e: 2 } + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num); + * }, num * 10); + * }; + * async.mapValuesLimit(object, 2, iterator, function(err, res) { + * console.log(res); // { a: 1, b: 5, c: 3, d: 4, e: 2 } + * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']] + * }); + * + */ + function mapValuesLimit(collection, limit, iterator, callback) { + callback = callback || noop; + var size, index, key, keys, iter, item, iterate; + var sync = false; + var result = {}; + var started = 0; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + iter = collection[iteratorSymbol](); + iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator; + } + if (!size || isNaN(limit) || limit < 1) { + return callback(null, result); + } + timesSync(limit > size ? size : limit, iterate); + + function arrayIterator() { + index = started++; + if (index < size) { + iterator(collection[index], createCallback(index)); + } + } + + function arrayIteratorWithIndex() { + index = started++; + if (index < size) { + iterator(collection[index], index, createCallback(index)); + } + } + + function symbolIterator() { + item = iter.next(); + if (item.done === false) { + iterator(item.value, createCallback(started++)); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null, result); + } + } + + function symbolIteratorWithKey() { + item = iter.next(); + if (item.done === false) { + iterator(item.value, started, createCallback(started++)); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null, result); + } + } + + function objectIterator() { + index = started++; + if (index < size) { + key = keys[index]; + iterator(collection[key], createCallback(key)); + } + } + + function objectIteratorWithKey() { + index = started++; + if (index < size) { + key = keys[index]; + iterator(collection[key], key, createCallback(key)); + } + } + + function createCallback(key) { + return function(err, res) { + if (key === null) { + throwError(); + } + if (err) { + key = null; + iterate = noop; + callback = once(callback); + callback(err, objectClone(result)); + return; + } + result[key] = res; + key = null; + if (++completed === size) { + callback(null, result); + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + }; + } + } + + /** + * @private + * @param {Function} arrayEach + * @param {Function} baseEach + * @param {Function} symbolEach + * @param {boolean} bool + */ + function createDetect(arrayEach, baseEach, symbolEach, bool) { + return function(collection, iterator, callback) { + callback = callback || noop; + var size, keys; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + arrayEach(collection, iterator, createCallback); + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = symbolEach(collection, iterator, createCallback); + size && size === completed && callback(null); + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + baseEach(collection, iterator, createCallback, keys); + } + if (!size) { + callback(null); + } + + function createCallback(value) { + var called = false; + return function done(err, res) { + if (called) { + throwError(); + } + called = true; + if (err) { + callback = once(callback); + callback(err); + } else if (!!res === bool) { + callback = once(callback); + callback(null, value); + } else if (++completed === size) { + callback(null); + } + }; + } + }; + } + + /** + * @private + * @param {boolean} bool + */ + function createDetectSeries(bool) { + return function(collection, iterator, callback) { + callback = onlyOnce(callback || noop); + var size, key, value, keys, iter, item, iterate; + var sync = false; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + iter = collection[iteratorSymbol](); + iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator; + } + if (!size) { + return callback(null); + } + iterate(); + + function arrayIterator() { + value = collection[completed]; + iterator(value, done); + } + + function arrayIteratorWithIndex() { + value = collection[completed]; + iterator(value, completed, done); + } + + function symbolIterator() { + item = iter.next(); + value = item.value; + item.done ? callback(null) : iterator(value, done); + } + + function symbolIteratorWithKey() { + item = iter.next(); + value = item.value; + item.done ? callback(null) : iterator(value, completed, done); + } + + function objectIterator() { + value = collection[keys[completed]]; + iterator(value, done); + } + + function objectIteratorWithKey() { + key = keys[completed]; + value = collection[key]; + iterator(value, key, done); + } + + function done(err, res) { + if (err) { + callback(err); + } else if (!!res === bool) { + iterate = throwError; + callback(null, value); + } else if (++completed === size) { + iterate = throwError; + callback(null); + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + } + }; + } + + /** + * @private + * @param {boolean} bool + */ + function createDetectLimit(bool) { + return function(collection, limit, iterator, callback) { + callback = callback || noop; + var size, index, key, value, keys, iter, item, iterate; + var sync = false; + var started = 0; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + iter = collection[iteratorSymbol](); + iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator; + } + if (!size || isNaN(limit) || limit < 1) { + return callback(null); + } + timesSync(limit > size ? size : limit, iterate); + + function arrayIterator() { + index = started++; + if (index < size) { + value = collection[index]; + iterator(value, createCallback(value)); + } + } + + function arrayIteratorWithIndex() { + index = started++; + if (index < size) { + value = collection[index]; + iterator(value, index, createCallback(value)); + } + } + + function symbolIterator() { + item = iter.next(); + if (item.done === false) { + started++; + value = item.value; + iterator(value, createCallback(value)); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null); + } + } + + function symbolIteratorWithKey() { + item = iter.next(); + if (item.done === false) { + value = item.value; + iterator(value, started++, createCallback(value)); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null); + } + } + + function objectIterator() { + index = started++; + if (index < size) { + value = collection[keys[index]]; + iterator(value, createCallback(value)); + } + } + + function objectIteratorWithKey() { + if (started < size) { + key = keys[started++]; + value = collection[key]; + iterator(value, key, createCallback(value)); + } + } + + function createCallback(value) { + var called = false; + return function(err, res) { + if (called) { + throwError(); + } + called = true; + if (err) { + iterate = noop; + callback = once(callback); + callback(err); + } else if (!!res === bool) { + iterate = noop; + callback = once(callback); + callback(null, value); + } else if (++completed === size) { + callback(null); + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + }; + } + }; + } + + /** + * @private + * @param {Function} arrayEach + * @param {Function} baseEach + * @param {Function} symbolEach + * @param {boolean} bool + */ + function createPick(arrayEach, baseEach, symbolEach, bool) { + return function(collection, iterator, callback) { + callback = callback || noop; + var size, keys; + var completed = 0; + var result = {}; + + if (isArray(collection)) { + size = collection.length; + arrayEach(collection, iterator, createCallback); + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = symbolEach(collection, iterator, createCallback); + size && size === completed && callback(null, result); + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + baseEach(collection, iterator, createCallback, keys); + } + if (!size) { + return callback(null, {}); + } + + function createCallback(key, value) { + return function done(err, res) { + if (key === null) { + throwError(); + } + if (err) { + key = null; + callback = once(callback); + callback(err, objectClone(result)); + return; + } + if (!!res === bool) { + result[key] = value; + } + key = null; + if (++completed === size) { + callback(null, result); + } + }; + } + }; + } + + /** + * @private + * @param {boolean} bool + */ + function createPickSeries(bool) { + return function(collection, iterator, callback) { + callback = onlyOnce(callback || noop); + var size, key, value, keys, iter, item, iterate; + var sync = false; + var result = {}; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + iter = collection[iteratorSymbol](); + iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator; + } + if (!size) { + return callback(null, {}); + } + iterate(); + + function arrayIterator() { + key = completed; + value = collection[completed]; + iterator(value, done); + } + + function arrayIteratorWithIndex() { + key = completed; + value = collection[completed]; + iterator(value, completed, done); + } + + function symbolIterator() { + key = completed; + item = iter.next(); + value = item.value; + item.done ? callback(null, result) : iterator(value, done); + } + + function symbolIteratorWithKey() { + key = completed; + item = iter.next(); + value = item.value; + item.done ? callback(null, result) : iterator(value, key, done); + } + + function objectIterator() { + key = keys[completed]; + value = collection[key]; + iterator(value, done); + } + + function objectIteratorWithKey() { + key = keys[completed]; + value = collection[key]; + iterator(value, key, done); + } + + function done(err, res) { + if (err) { + callback(err, result); + return; + } + if (!!res === bool) { + result[key] = value; + } + if (++completed === size) { + iterate = throwError; + callback(null, result); + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + } + }; + } + + /** + * @private + * @param {boolean} bool + */ + function createPickLimit(bool) { + return function(collection, limit, iterator, callback) { + callback = callback || noop; + var size, index, key, value, keys, iter, item, iterate; + var sync = false; + var result = {}; + var started = 0; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + iter = collection[iteratorSymbol](); + iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator; + } + if (!size || isNaN(limit) || limit < 1) { + return callback(null, {}); + } + timesSync(limit > size ? size : limit, iterate); + + function arrayIterator() { + index = started++; + if (index < size) { + value = collection[index]; + iterator(value, createCallback(value, index)); + } + } + + function arrayIteratorWithIndex() { + index = started++; + if (index < size) { + value = collection[index]; + iterator(value, index, createCallback(value, index)); + } + } + + function symbolIterator() { + item = iter.next(); + if (item.done === false) { + value = item.value; + iterator(value, createCallback(value, started++)); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null, result); + } + } + + function symbolIteratorWithKey() { + item = iter.next(); + if (item.done === false) { + value = item.value; + iterator(value, started, createCallback(value, started++)); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null, result); + } + } + + function objectIterator() { + if (started < size) { + key = keys[started++]; + value = collection[key]; + iterator(value, createCallback(value, key)); + } + } + + function objectIteratorWithKey() { + if (started < size) { + key = keys[started++]; + value = collection[key]; + iterator(value, key, createCallback(value, key)); + } + } + + function createCallback(value, key) { + return function(err, res) { + if (key === null) { + throwError(); + } + if (err) { + key = null; + iterate = noop; + callback = once(callback); + callback(err, objectClone(result)); + return; + } + if (!!res === bool) { + result[key] = value; + } + key = null; + if (++completed === size) { + iterate = throwError; + callback = onlyOnce(callback); + callback(null, result); + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + }; + } + }; + } + + /** + * @memberof async + * @namespace reduce + * @param {Array|Object} collection + * @param {*} result + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var collection = [1, 3, 2, 4]; + * var iterator = function(result, num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, result + num); + * }, num * 10); + * }; + * async.reduce(collection, 0, iterator, function(err, res) { + * console.log(res); // 10 + * console.log(order); // [1, 3, 2, 4] + * }); + * + * @example + * + * // array with index + * var order = []; + * var collection = [1, 3, 2, 4]; + * var iterator = function(result, num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, result + num); + * }, num * 10); + * }; + * async.reduce(collection, '', iterator, function(err, res) { + * console.log(res); // '1324' + * console.log(order); // [[1, 0], [3, 1], [2, 2], [4, 3]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2, d: 4 }; + * var iterator = function(result, num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, result + num); + * }, num * 10); + * }; + * async.reduce(collection, '', iterator, function(err, res) { + * console.log(res); // '1324' + * console.log(order); // [1, 3, 2, 4] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2, d: 4 }; + * var iterator = function(result, num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, result + num); + * }, num * 10); + * }; + * async.reduce(collection, 0, iterator, function(err, res) { + * console.log(res); // 10 + * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'b'], [4, 'd']] + * }); + * + */ + function reduce(collection, result, iterator, callback) { + callback = onlyOnce(callback || noop); + var size, key, keys, iter, item, iterate; + var sync = false; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + iterate = iterator.length === 4 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + iter = collection[iteratorSymbol](); + iterate = iterator.length === 4 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + iterate = iterator.length === 4 ? objectIteratorWithKey : objectIterator; + } + if (!size) { + return callback(null, result); + } + iterate(result); + + function arrayIterator(result) { + iterator(result, collection[completed], done); + } + + function arrayIteratorWithIndex(result) { + iterator(result, collection[completed], completed, done); + } + + function symbolIterator(result) { + item = iter.next(); + item.done ? callback(null, result) : iterator(result, item.value, done); + } + + function symbolIteratorWithKey(result) { + item = iter.next(); + item.done ? callback(null, result) : iterator(result, item.value, completed, done); + } + + function objectIterator(result) { + iterator(result, collection[keys[completed]], done); + } + + function objectIteratorWithKey(result) { + key = keys[completed]; + iterator(result, collection[key], key, done); + } + + function done(err, result) { + if (err) { + callback(err, result); + } else if (++completed === size) { + iterator = throwError; + callback(null, result); + } else if (sync) { + nextTick(function() { + iterate(result); + }); + } else { + sync = true; + iterate(result); + } + sync = false; + } + } + + /** + * @memberof async + * @namespace reduceRight + * @param {Array|Object} collection + * @param {*} result + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var collection = [1, 3, 2, 4]; + * var iterator = function(result, num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, result + num); + * }, num * 10); + * }; + * async.reduceRight(collection, 0, iterator, function(err, res) { + * console.log(res); // 10 + * console.log(order); // [4, 2, 3, 1] + * }); + * + * @example + * + * // array with index + * var order = []; + * var collection = [1, 3, 2, 4]; + * var iterator = function(result, num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, result + num); + * }, num * 10); + * }; + * async.reduceRight(collection, '', iterator, function(err, res) { + * console.log(res); // '4231' + * console.log(order); // [[4, 3], [2, 2], [3, 1], [1, 0]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2, d: 4 }; + * var iterator = function(result, num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, result + num); + * }, num * 10); + * }; + * async.reduceRight(collection, '', iterator, function(err, res) { + * console.log(res); // '4231' + * console.log(order); // [4, 2, 3, 1] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2, d: 4 }; + * var iterator = function(result, num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, result + num); + * }, num * 10); + * }; + * async.reduceRight(collection, 0, iterator, function(err, res) { + * console.log(res); // 10 + * console.log(order); // [[4, 3], [2, 2], [3, 1], [1, 0]] + * }); + * + */ + function reduceRight(collection, result, iterator, callback) { + callback = onlyOnce(callback || noop); + var resIndex, index, key, keys, iter, item, col, iterate; + var sync = false; + + if (isArray(collection)) { + resIndex = collection.length; + iterate = iterator.length === 4 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + col = []; + iter = collection[iteratorSymbol](); + index = -1; + while ((item = iter.next()).done === false) { + col[++index] = item.value; + } + collection = col; + resIndex = col.length; + iterate = iterator.length === 4 ? arrayIteratorWithIndex : arrayIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + resIndex = keys.length; + iterate = iterator.length === 4 ? objectIteratorWithKey : objectIterator; + } + if (!resIndex) { + return callback(null, result); + } + iterate(result); + + function arrayIterator(result) { + iterator(result, collection[--resIndex], done); + } + + function arrayIteratorWithIndex(result) { + iterator(result, collection[--resIndex], resIndex, done); + } + + function objectIterator(result) { + iterator(result, collection[keys[--resIndex]], done); + } + + function objectIteratorWithKey(result) { + key = keys[--resIndex]; + iterator(result, collection[key], key, done); + } + + function done(err, result) { + if (err) { + callback(err, result); + } else if (resIndex === 0) { + iterate = throwError; + callback(null, result); + } else if (sync) { + nextTick(function() { + iterate(result); + }); + } else { + sync = true; + iterate(result); + } + sync = false; + } + } + + /** + * @private + * @param {Function} arrayEach + * @param {Function} baseEach + * @param {Function} symbolEach + */ + function createTransform(arrayEach, baseEach, symbolEach) { + return function transform(collection, accumulator, iterator, callback) { + if (arguments.length === 3) { + callback = iterator; + iterator = accumulator; + accumulator = undefined; + } + callback = callback || noop; + var size, keys, result; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + result = accumulator !== undefined ? accumulator : []; + arrayEach(collection, result, iterator, done); + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + result = accumulator !== undefined ? accumulator : {}; + size = symbolEach(collection, result, iterator, done); + size && size === completed && callback(null, result); + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + result = accumulator !== undefined ? accumulator : {}; + baseEach(collection, result, iterator, done, keys); + } + if (!size) { + callback(null, accumulator !== undefined ? accumulator : result || {}); + } + + function done(err, bool) { + if (err) { + callback = once(callback); + callback(err, isArray(result) ? createArray(result) : objectClone(result)); + } else if (++completed === size) { + callback(null, result); + } else if (bool === false) { + callback = once(callback); + callback(null, isArray(result) ? createArray(result) : objectClone(result)); + } + } + }; + } + + /** + * @memberof async + * @namespace transformSeries + * @param {Array|Object} collection + * @param {Array|Object|Function} [accumulator] + * @param {Function} [iterator] + * @param {Function} [callback] + * @example + * + * // array + * var order = []; + * var collection = [1, 3, 2, 4]; + * var iterator = function(result, num, done) { + * setTimeout(function() { + * order.push(num); + * result.push(num) + * done(); + * }, num * 10); + * }; + * async.transformSeries(collection, iterator, function(err, res) { + * console.log(res); // [1, 3, 2, 4] + * console.log(order); // [1, 3, 2, 4] + * }); + * + * @example + * + * // array with index and accumulator + * var order = []; + * var collection = [1, 3, 2, 4]; + * var iterator = function(result, num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * result[index] = num; + * done(); + * }, num * 10); + * }; + * async.transformSeries(collection, {}, iterator, function(err, res) { + * console.log(res); // { '0': 1, '1': 3, '2': 2, '3': 4 } + * console.log(order); // [[1, 0], [3, 1], [2, 2], [4, 3]] + * }); + * + * @example + * + * // object with accumulator + * var order = []; + * var object = { a: 1, b: 3, c: 2, d: 4 }; + * var iterator = function(result, num, done) { + * setTimeout(function() { + * order.push(num); + * result.push(num); + * done(); + * }, num * 10); + * }; + * async.transformSeries(collection, [], iterator, function(err, res) { + * console.log(res); // [1, 3, 2, 4] + * console.log(order); // [1, 3, 2, 4] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2, d: 4 }; + * var iterator = function(result, num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * result[key] = num; + * done(); + * }, num * 10); + * }; + * async.transformSeries(collection, iterator, function(err, res) { + * console.log(res); // { a: 1, b: 3, c: 2, d: 4 } + * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'b'], [4, 'd']] + * }); + * + */ + function transformSeries(collection, accumulator, iterator, callback) { + if (arguments.length === 3) { + callback = iterator; + iterator = accumulator; + accumulator = undefined; + } + callback = onlyOnce(callback || noop); + var size, key, keys, iter, item, iterate, result; + var sync = false; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + result = accumulator !== undefined ? accumulator : []; + iterate = iterator.length === 4 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + iter = collection[iteratorSymbol](); + result = accumulator !== undefined ? accumulator : {}; + iterate = iterator.length === 4 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + result = accumulator !== undefined ? accumulator : {}; + iterate = iterator.length === 4 ? objectIteratorWithKey : objectIterator; + } + if (!size) { + return callback(null, accumulator !== undefined ? accumulator : result || {}); + } + iterate(); + + function arrayIterator() { + iterator(result, collection[completed], done); + } + + function arrayIteratorWithIndex() { + iterator(result, collection[completed], completed, done); + } + + function symbolIterator() { + item = iter.next(); + item.done ? callback(null, result) : iterator(result, item.value, done); + } + + function symbolIteratorWithKey() { + item = iter.next(); + item.done ? callback(null, result) : iterator(result, item.value, completed, done); + } + + function objectIterator() { + iterator(result, collection[keys[completed]], done); + } + + function objectIteratorWithKey() { + key = keys[completed]; + iterator(result, collection[key], key, done); + } + + function done(err, bool) { + if (err) { + callback(err, result); + } else if (++completed === size || bool === false) { + iterate = throwError; + callback(null, result); + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + } + } + + /** + * @memberof async + * @namespace transformLimit + * @param {Array|Object} collection + * @param {number} limit - limit >= 1 + * @param {Array|Object|Function} [accumulator] + * @param {Function} [iterator] + * @param {Function} [callback] + * @example + * + * // array + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(result, num, done) { + * setTimeout(function() { + * order.push(num); + * result.push(num); + * done(); + * }, num * 10); + * }; + * async.transformLimit(array, 2, iterator, function(err, res) { + * console.log(res); // [1, 3, 5, 2, 4] + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // array with index and accumulator + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(result, num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * result[index] = key; + * done(); + * }, num * 10); + * }; + * async.transformLimit(array, 2, {}, iterator, function(err, res) { + * console.log(res); // { '0': 1, '1': 5, '2': 3, '3': 4, '4': 2 } + * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]] + * }); + * + * @example + * + * // object with accumulator + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(result, num, done) { + * setTimeout(function() { + * order.push(num); + * result.push(num); + * done(); + * }, num * 10); + * }; + * async.transformLimit(object, 2, [], iterator, function(err, res) { + * console.log(res); // [1, 3, 5, 2, 4] + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(result, num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * result[key] = num; + * done(); + * }, num * 10); + * }; + * async.transformLimit(object, 2, iterator, function(err, res) { + * console.log(res); // { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']] + * }); + * + */ + function transformLimit(collection, limit, accumulator, iterator, callback) { + if (arguments.length === 4) { + callback = iterator; + iterator = accumulator; + accumulator = undefined; + } + callback = callback || noop; + var size, index, key, keys, iter, item, iterate, result; + var sync = false; + var started = 0; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + result = accumulator !== undefined ? accumulator : []; + iterate = iterator.length === 4 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + iter = collection[iteratorSymbol](); + result = accumulator !== undefined ? accumulator : {}; + iterate = iterator.length === 4 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + result = accumulator !== undefined ? accumulator : {}; + iterate = iterator.length === 4 ? objectIteratorWithKey : objectIterator; + } + if (!size || isNaN(limit) || limit < 1) { + return callback(null, accumulator !== undefined ? accumulator : result || {}); + } + timesSync(limit > size ? size : limit, iterate); + + function arrayIterator() { + index = started++; + if (index < size) { + iterator(result, collection[index], onlyOnce(done)); + } + } + + function arrayIteratorWithIndex() { + index = started++; + if (index < size) { + iterator(result, collection[index], index, onlyOnce(done)); + } + } + + function symbolIterator() { + item = iter.next(); + if (item.done === false) { + started++; + iterator(result, item.value, onlyOnce(done)); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null, result); + } + } + + function symbolIteratorWithKey() { + item = iter.next(); + if (item.done === false) { + iterator(result, item.value, started++, onlyOnce(done)); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null, result); + } + } + + function objectIterator() { + index = started++; + if (index < size) { + iterator(result, collection[keys[index]], onlyOnce(done)); + } + } + + function objectIteratorWithKey() { + index = started++; + if (index < size) { + key = keys[index]; + iterator(result, collection[key], key, onlyOnce(done)); + } + } + + function done(err, bool) { + if (err || bool === false) { + iterate = noop; + callback(err || null, isArray(result) ? createArray(result) : objectClone(result)); + callback = noop; + } else if (++completed === size) { + iterator = noop; + callback(null, result); + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + } + } + + /** + * @private + * @param {function} arrayEach + * @param {function} baseEach + * @param {function} symbolEach + */ + function createSortBy(arrayEach, baseEach, symbolEach) { + return function sortBy(collection, iterator, callback) { + callback = callback || noop; + var size, array, criteria; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + array = Array(size); + criteria = Array(size); + arrayEach(collection, iterator, createCallback); + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + array = []; + criteria = []; + size = symbolEach(collection, iterator, createCallback); + size && size === completed && callback(null, sortByCriteria(array, criteria)); + } else if (typeof collection === obj) { + var keys = nativeKeys(collection); + size = keys.length; + array = Array(size); + criteria = Array(size); + baseEach(collection, iterator, createCallback, keys); + } + if (!size) { + callback(null, []); + } + + function createCallback(index, value) { + var called = false; + array[index] = value; + return function done(err, criterion) { + if (called) { + throwError(); + } + called = true; + criteria[index] = criterion; + if (err) { + callback = once(callback); + callback(err); + } else if (++completed === size) { + callback(null, sortByCriteria(array, criteria)); + } + }; + } + }; + } + + /** + * @memberof async + * @namespace sortBySeries + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num); + * }, num * 10); + * }; + * async.sortBySeries(array, iterator, function(err, res) { + * console.log(res); // [1, 2, 3]; + * console.log(order); // [1, 3, 2] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num); + * }, num * 10); + * }; + * async.sortBySeries(array, iterator, function(err, res) { + * console.log(res); // [1, 2, 3] + * console.log(order); // [[1, 0], [3, 1], [2, 2]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num); + * }, num * 10); + * }; + * async.sortBySeries(object, iterator, function(err, res) { + * console.log(res); // [1, 2, 3] + * console.log(order); // [1, 3, 2] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num); + * }, num * 10); + * }; + * async.sortBySeries(object, iterator, function(err, res) { + * console.log(res); // [1, 2, 3] + * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c']] + * }); + * + */ + function sortBySeries(collection, iterator, callback) { + callback = onlyOnce(callback || noop); + var size, key, value, keys, iter, item, array, criteria, iterate; + var sync = false; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + array = collection; + criteria = Array(size); + iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + array = []; + criteria = []; + iter = collection[iteratorSymbol](); + iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + array = Array(size); + criteria = Array(size); + iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator; + } + if (!size) { + return callback(null, []); + } + iterate(); + + function arrayIterator() { + value = collection[completed]; + iterator(value, done); + } + + function arrayIteratorWithIndex() { + value = collection[completed]; + iterator(value, completed, done); + } + + function symbolIterator() { + item = iter.next(); + if (item.done) { + return callback(null, sortByCriteria(array, criteria)); + } + value = item.value; + array[completed] = value; + iterator(value, done); + } + + function symbolIteratorWithKey() { + item = iter.next(); + if (item.done) { + return callback(null, sortByCriteria(array, criteria)); + } + value = item.value; + array[completed] = value; + iterator(value, completed, done); + } + + function objectIterator() { + value = collection[keys[completed]]; + array[completed] = value; + iterator(value, done); + } + + function objectIteratorWithKey() { + key = keys[completed]; + value = collection[key]; + array[completed] = value; + iterator(value, key, done); + } + + function done(err, criterion) { + criteria[completed] = criterion; + if (err) { + callback(err); + } else if (++completed === size) { + iterate = throwError; + callback(null, sortByCriteria(array, criteria)); + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + } + } + + /** + * @memberof async + * @namespace sortByLimit + * @param {Array|Object} collection + * @param {number} limit - limit >= 1 + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num); + * }, num * 10); + * }; + * async.sortByLimit(array, 2, iterator, function(err, res) { + * console.log(res); // [1, 2, 3, 4, 5] + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num); + * }, num * 10); + * }; + * async.sortByLimit(array, 2, iterator, function(err, res) { + * console.log(res); // [1, 2, 3, 4, 5] + * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num); + * }, num * 10); + * }; + * async.sortByLimit(object, 2, iterator, function(err, res) { + * console.log(res); // [1, 2, 3, 4, 5] + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num); + * }, num * 10); + * }; + * async.sortByLimit(object, 2, iterator, function(err, res) { + * console.log(res); // [1, 2, 3, 4, 5] + * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']] + * }); + * + */ + function sortByLimit(collection, limit, iterator, callback) { + callback = callback || noop; + var size, index, key, value, array, keys, iter, item, criteria, iterate; + var sync = false; + var started = 0; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + array = collection; + iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + iter = collection[iteratorSymbol](); + array = []; + criteria = []; + iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + array = Array(size); + iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator; + } + if (!size || isNaN(limit) || limit < 1) { + return callback(null, []); + } + criteria = criteria || Array(size); + timesSync(limit > size ? size : limit, iterate); + + function arrayIterator() { + if (started < size) { + value = collection[started]; + iterator(value, createCallback(value, started++)); + } + } + + function arrayIteratorWithIndex() { + index = started++; + if (index < size) { + value = collection[index]; + iterator(value, index, createCallback(value, index)); + } + } + + function symbolIterator() { + item = iter.next(); + if (item.done === false) { + value = item.value; + array[started] = value; + iterator(value, createCallback(value, started++)); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null, sortByCriteria(array, criteria)); + } + } + + function symbolIteratorWithKey() { + item = iter.next(); + if (item.done === false) { + value = item.value; + array[started] = value; + iterator(value, started, createCallback(value, started++)); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null, sortByCriteria(array, criteria)); + } + } + + function objectIterator() { + if (started < size) { + value = collection[keys[started]]; + array[started] = value; + iterator(value, createCallback(value, started++)); + } + } + + function objectIteratorWithKey() { + if (started < size) { + key = keys[started]; + value = collection[key]; + array[started] = value; + iterator(value, key, createCallback(value, started++)); + } + } + + function createCallback(value, index) { + var called = false; + return function(err, criterion) { + if (called) { + throwError(); + } + called = true; + criteria[index] = criterion; + if (err) { + iterate = noop; + callback(err); + callback = noop; + } else if (++completed === size) { + callback(null, sortByCriteria(array, criteria)); + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + }; + } + } + + /** + * @memberof async + * @namespace some + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.some(array, iterator, function(err, res) { + * console.log(res); // true + * console.log(order); // [1] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.some(array, iterator, function(err, res) { + * console.log(res); // true + * console.log(order); // [[1, 0]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.some(object, iterator, function(err, res) { + * console.log(res); // true + * console.log(order); // [1] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.some(object, iterator, function(err, res) { + * console.log(res); // true + * console.log(order); // [[1, 'a']] + * }); + * + */ + function some(collection, iterator, callback) { + callback = callback || noop; + detect(collection, iterator, done); + + function done(err, res) { + if (err) { + return callback(err); + } + callback(null, !!res); + } + } + + /** + * @memberof async + * @namespace someSeries + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.someSeries(array, iterator, function(err, res) { + * console.log(res); // true + * console.log(order); // [1] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.someSeries(array, iterator, function(err, res) { + * console.log(res); // true + * console.log(order); // [[1, 0]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.someSeries(object, iterator, function(err, res) { + * console.log(res); // true + * console.log(order); // [1] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.someSeries(object, iterator, function(err, res) { + * console.log(res); // true + * console.log(order); // [[1, 'a']] + * }); + * + */ + function someSeries(collection, iterator, callback) { + callback = callback || noop; + detectSeries(collection, iterator, done); + + function done(err, res) { + if (err) { + return callback(err); + } + callback(null, !!res); + } + } + + /** + * @memberof async + * @namespace someLimit + * @param {Array|Object} collection + * @param {number} limit - limit >= 1 + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.someLimit(array, 2, iterator, function(err, res) { + * console.log(res); // true + * console.log(order); // [1] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.someLimit(array, 2, iterator, function(err, res) { + * console.log(res); // true + * console.log(order); // [[1, 0]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, num % 2); + * }, num * 10); + * }; + * async.someLimit(object, 2, iterator, function(err, res) { + * console.log(res); // true + * console.log(order); // [1] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num % 2); + * }, num * 10); + * }; + * async.someLimit(object, 2, iterator, function(err, res) { + * console.log(res); // true + * console.log(order); // [[1, 'a']] + * }); + * + */ + function someLimit(collection, limit, iterator, callback) { + callback = callback || noop; + detectLimit(collection, limit, iterator, done); + + function done(err, res) { + if (err) { + return callback(err); + } + callback(null, !!res); + } + } + + /** + * @private + * @param {Function} arrayEach + * @param {Function} baseEach + * @param {Function} symbolEach + */ + function createEvery(arrayEach, baseEach, symbolEach) { + var deny = createDetect(arrayEach, baseEach, symbolEach, false); + + return function every(collection, iterator, callback) { + callback = callback || noop; + deny(collection, iterator, done); + + function done(err, res) { + if (err) { + return callback(err); + } + callback(null, !res); + } + }; + } + + /** + * @private + */ + function createEverySeries() { + var denySeries = createDetectSeries(false); + + return function everySeries(collection, iterator, callback) { + callback = callback || noop; + denySeries(collection, iterator, done); + + function done(err, res) { + if (err) { + return callback(err); + } + callback(null, !res); + } + }; + } + + /** + * @private + */ + function createEveryLimit() { + var denyLimit = createDetectLimit(false); + + return function everyLimit(collection, limit, iterator, callback) { + callback = callback || noop; + denyLimit(collection, limit, iterator, done); + + function done(err, res) { + if (err) { + return callback(err); + } + callback(null, !res); + } + }; + } + + /** + * @private + * @param {Function} arrayEach + * @param {Function} baseEach + * @param {Function} symbolEach + */ + function createConcat(arrayEach, baseEach, symbolEach) { + return function concat(collection, iterator, callback) { + callback = callback || noop; + var size, result; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + result = Array(size); + arrayEach(collection, iterator, createCallback); + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + result = []; + size = symbolEach(collection, iterator, createCallback); + size && size === completed && callback(null, result); + } else if (typeof collection === obj) { + var keys = nativeKeys(collection); + size = keys.length; + result = Array(size); + baseEach(collection, iterator, createCallback, keys); + } + if (!size) { + callback(null, []); + } + + function createCallback(index) { + return function done(err, res) { + if (index === null) { + throwError(); + } + if (err) { + index = null; + callback = once(callback); + arrayEachSync(result, function(array, index) { + if (array === undefined) { + result[index] = noop; + } + }); + callback(err, makeConcatResult(result)); + return; + } + switch (arguments.length) { + case 0: + case 1: + result[index] = noop; + break; + case 2: + result[index] = res; + break; + default: + result[index] = slice(arguments, 1); + break; + } + index = null; + if (++completed === size) { + callback(null, makeConcatResult(result)); + } + }; + } + }; + } + + /** + * @memberof async + * @namespace concatSeries + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, [num]); + * }, num * 10); + * }; + * async.concatSeries(array, iterator, function(err, res) { + * console.log(res); // [1, 3, 2]; + * console.log(order); // [1, 3, 2] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 3, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, [num]); + * }, num * 10); + * }; + * async.concatSeries(array, iterator, function(err, res) { + * console.log(res); // [1, 3, 2] + * console.log(order); // [[1, 0], [3, 1], [2, 2]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, [num]); + * }, num * 10); + * }; + * async.concatSeries(object, iterator, function(err, res) { + * console.log(res); // [1, 3, 2] + * console.log(order); // [1, 3, 2] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 3, c: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, [num]); + * }, num * 10); + * }; + * async.concatSeries(object, iterator, function(err, res) { + * console.log(res); // [1, 3, 2] + * console.log(order); // [[1, 'a'], [3, 'b'], [2, 'c']] + * }); + * + */ + function concatSeries(collection, iterator, callback) { + callback = onlyOnce(callback || noop); + var size, key, keys, iter, item, iterate; + var sync = false; + var result = []; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + iter = collection[iteratorSymbol](); + iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator; + } + if (!size) { + return callback(null, result); + } + iterate(); + + function arrayIterator() { + iterator(collection[completed], done); + } + + function arrayIteratorWithIndex() { + iterator(collection[completed], completed, done); + } + + function symbolIterator() { + item = iter.next(); + item.done ? callback(null, result) : iterator(item.value, done); + } + + function symbolIteratorWithKey() { + item = iter.next(); + item.done ? callback(null, result) : iterator(item.value, completed, done); + } + + function objectIterator() { + iterator(collection[keys[completed]], done); + } + + function objectIteratorWithKey() { + key = keys[completed]; + iterator(collection[key], key, done); + } + + function done(err, array) { + if (isArray(array)) { + nativePush.apply(result, array); + } else if (arguments.length >= 2) { + nativePush.apply(result, slice(arguments, 1)); + } + if (err) { + callback(err, result); + } else if (++completed === size) { + iterate = throwError; + callback(null, result); + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + } + } + + /** + * @memberof async + * @namespace concatLimit + * @param {Array|Object} collection + * @param {number} limit - limit >= 1 + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, [num]); + * }, num * 10); + * }; + * async.concatLimit(array, 2, iterator, function(err, res) { + * console.log(res); // [1, 3, 5, 2, 4] + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1, 5, 3, 4, 2]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, [num]); + * }, num * 10); + * }; + * async.cocnatLimit(array, 2, iterator, function(err, res) { + * console.log(res); // [1, 3, 5, 2, 4] + * console.log(order); // [[1, 0], [3, 2], [5, 1], [2, 4], [4, 3]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, [num]); + * }, num * 10); + * }; + * async.concatLimit(object, 2, iterator, function(err, res) { + * console.log(res); // [1, 3, 5, 2, 4] + * console.log(order); // [1, 3, 5, 2, 4] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1, b: 5, c: 3, d: 4, e: 2 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, num); + * }, num * 10); + * }; + * async.cocnatLimit(object, 2, iterator, function(err, res) { + * console.log(res); // [1, 3, 5, 2, 4] + * console.log(order); // [[1, 'a'], [3, 'c'], [5, 'b'], [2, 'e'], [4, 'd']] + * }); + * + */ + function concatLimit(collection, limit, iterator, callback) { + callback = callback || noop; + var size, key, iter, item, iterate, result; + var sync = false; + var started = 0; + var completed = 0; + + if (isArray(collection)) { + size = collection.length; + iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + result = []; + iter = collection[iteratorSymbol](); + iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + var keys = nativeKeys(collection); + size = keys.length; + iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator; + } + if (!size || isNaN(limit) || limit < 1) { + return callback(null, []); + } + result = result || Array(size); + timesSync(limit > size ? size : limit, iterate); + + function arrayIterator() { + if (started < size) { + iterator(collection[started], createCallback(started++)); + } + } + + function arrayIteratorWithIndex() { + if (started < size) { + iterator(collection[started], started, createCallback(started++)); + } + } + + function symbolIterator() { + item = iter.next(); + if (item.done === false) { + iterator(item.value, createCallback(started++)); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null, makeConcatResult(result)); + } + } + + function symbolIteratorWithKey() { + item = iter.next(); + if (item.done === false) { + iterator(item.value, started, createCallback(started++)); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null, makeConcatResult(result)); + } + } + + function objectIterator() { + if (started < size) { + iterator(collection[keys[started]], createCallback(started++)); + } + } + + function objectIteratorWithKey() { + if (started < size) { + key = keys[started]; + iterator(collection[key], key, createCallback(started++)); + } + } + + function createCallback(index) { + return function(err, res) { + if (index === null) { + throwError(); + } + if (err) { + index = null; + iterate = noop; + callback = once(callback); + arrayEachSync(result, function(array, index) { + if (array === undefined) { + result[index] = noop; + } + }); + callback(err, makeConcatResult(result)); + return; + } + switch (arguments.length) { + case 0: + case 1: + result[index] = noop; + break; + case 2: + result[index] = res; + break; + default: + result[index] = slice(arguments, 1); + break; + } + index = null; + if (++completed === size) { + iterate = throwError; + callback(null, makeConcatResult(result)); + callback = throwError; + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + }; + } + } + + /** + * @private + * @param {Function} arrayEach + * @param {Function} baseEach + * @param {Function} symbolEach + */ + function createGroupBy(arrayEach, baseEach, symbolEach) { + return function groupBy(collection, iterator, callback) { + callback = callback || noop; + var size; + var completed = 0; + var result = {}; + + if (isArray(collection)) { + size = collection.length; + arrayEach(collection, iterator, createCallback); + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = symbolEach(collection, iterator, createCallback); + size && size === completed && callback(null, result); + } else if (typeof collection === obj) { + var keys = nativeKeys(collection); + size = keys.length; + baseEach(collection, iterator, createCallback, keys); + } + if (!size) { + callback(null, {}); + } + + function createCallback(value) { + var called = false; + return function done(err, key) { + if (called) { + throwError(); + } + called = true; + if (err) { + callback = once(callback); + callback(err, objectClone(result)); + return; + } + var array = result[key]; + if (!array) { + result[key] = [value]; + } else { + array.push(value); + } + if (++completed === size) { + callback(null, result); + } + }; + } + }; + } + + /** + * @memberof async + * @namespace groupBySeries + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [4.2, 6.4, 6.1]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, Math.floor(num)); + * }, num * 10); + * }; + * async.groupBySeries(array, iterator, function(err, res) { + * console.log(res); // { '4': [4.2], '6': [6.4, 6.1] } + * console.log(order); // [4.2, 6.4, 6.1] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [4.2, 6.4, 6.1]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, Math.floor(num)); + * }, num * 10); + * }; + * async.groupBySeries(array, iterator, function(err, res) { + * console.log(res); // { '4': [4.2], '6': [6.4, 6.1] } + * console.log(order); // [[4.2, 0], [6.4, 1], [6.1, 2]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 4.2, b: 6.4, c: 6.1 }; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, Math.floor(num)); + * }, num * 10); + * }; + * async.groupBySeries(object, iterator, function(err, res) { + * console.log(res); // { '4': [4.2], '6': [6.4, 6.1] } + * console.log(order); // [4.2, 6.4, 6.1] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 4.2, b: 6.4, c: 6.1 }; + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, Math.floor(num)); + * }, num * 10); + * }; + * async.groupBySeries(object, iterator, function(err, res) { + * console.log(res); // { '4': [4.2], '6': [6.4, 6.1] } + * console.log(order); // [[4.2, 'a'], [6.4, 'b'], [6.1, 'c']] + * }); + * + */ + function groupBySeries(collection, iterator, callback) { + callback = onlyOnce(callback || noop); + var size, key, value, keys, iter, item, iterate; + var sync = false; + var completed = 0; + var result = {}; + + if (isArray(collection)) { + size = collection.length; + iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + iter = collection[iteratorSymbol](); + iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator; + } + if (!size) { + return callback(null, result); + } + iterate(); + + function arrayIterator() { + value = collection[completed]; + iterator(value, done); + } + + function arrayIteratorWithIndex() { + value = collection[completed]; + iterator(value, completed, done); + } + + function symbolIterator() { + item = iter.next(); + value = item.value; + item.done ? callback(null, result) : iterator(value, done); + } + + function symbolIteratorWithKey() { + item = iter.next(); + value = item.value; + item.done ? callback(null, result) : iterator(value, completed, done); + } + + function objectIterator() { + value = collection[keys[completed]]; + iterator(value, done); + } + + function objectIteratorWithKey() { + key = keys[completed]; + value = collection[key]; + iterator(value, key, done); + } + + function done(err, key) { + if (err) { + iterate = throwError; + callback = onlyOnce(callback); + callback(err, objectClone(result)); + return; + } + var array = result[key]; + if (!array) { + result[key] = [value]; + } else { + array.push(value); + } + if (++completed === size) { + iterate = throwError; + callback(null, result); + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + } + } + + /** + * @memberof async + * @namespace groupByLimit + * @param {Array|Object} collection + * @param {Function} iterator + * @param {Function} callback + * @example + * + * // array + * var order = []; + * var array = [1.1, 5.9, 3.2, 3.9, 2.1]; + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, Math.floor(num)); + * }, num * 10); + * }; + * async.groupByLimit(array, 2, iterator, function(err, res) { + * console.log(res); // { '1': [1.1], '3': [3.2, 3.9], '5': [5.9], '2': [2.1] } + * console.log(order); // [1.1, 3.2, 5.9, 2.1, 3.9] + * }); + * + * @example + * + * // array with index + * var order = []; + * var array = [1.1, 5.9, 3.2, 3.9, 2.1]; + * var iterator = function(num, index, done) { + * setTimeout(function() { + * order.push([num, index]); + * done(null, Math.floor(num)); + * }, num * 10); + * }; + * async.groupByLimit(array, 2, iterator, function(err, res) { + * console.log(res); // { '1': [1.1], '3': [3.2, 3.9], '5': [5.9], '2': [2.1] } + * console.log(order); // [[1.1, 0], [3.2, 2], [5.9, 1], [2.1, 4], [3.9, 3]] + * }); + * + * @example + * + * // object + * var order = []; + * var object = { a: 1.1, b: 5.9, c: 3.2, d: 3.9, e: 2.1 } + * var iterator = function(num, done) { + * setTimeout(function() { + * order.push(num); + * done(null, Math.floor(num)); + * }, num * 10); + * }; + * async.groupByLimit(object, 2, iterator, function(err, res) { + * console.log(res); // { '1': [1.1], '3': [3.2, 3.9], '5': [5.9], '2': [2.1] } + * console.log(order); // [1.1, 3.2, 5.9, 2.1, 3.9] + * }); + * + * @example + * + * // object with key + * var order = []; + * var object = { a: 1.1, b: 5.9, c: 3.2, d: 3.9, e: 2.1 } + * var iterator = function(num, key, done) { + * setTimeout(function() { + * order.push([num, key]); + * done(null, Math.floor(num)); + * }, num * 10); + * }; + * async.groupByLimit(object, 2, iterator, function(err, res) { + * console.log(res); // { '1': [1.1], '3': [3.2, 3.9], '5': [5.9], '2': [2.1] } + * console.log(order); // [[1.1, 'a'], [3.2, 'c'], [5.9, 'b'], [2.1, 'e'], [3.9, 'd']] + * }); + * + */ + function groupByLimit(collection, limit, iterator, callback) { + callback = callback || noop; + var size, index, key, value, keys, iter, item, iterate; + var sync = false; + var started = 0; + var completed = 0; + var result = {}; + + if (isArray(collection)) { + size = collection.length; + iterate = iterator.length === 3 ? arrayIteratorWithIndex : arrayIterator; + } else if (!collection) { + } else if (iteratorSymbol && collection[iteratorSymbol]) { + size = Infinity; + iter = collection[iteratorSymbol](); + iterate = iterator.length === 3 ? symbolIteratorWithKey : symbolIterator; + } else if (typeof collection === obj) { + keys = nativeKeys(collection); + size = keys.length; + iterate = iterator.length === 3 ? objectIteratorWithKey : objectIterator; + } + if (!size || isNaN(limit) || limit < 1) { + return callback(null, result); + } + timesSync(limit > size ? size : limit, iterate); + + function arrayIterator() { + if (started < size) { + value = collection[started++]; + iterator(value, createCallback(value)); + } + } + + function arrayIteratorWithIndex() { + index = started++; + if (index < size) { + value = collection[index]; + iterator(value, index, createCallback(value)); + } + } + + function symbolIterator() { + item = iter.next(); + if (item.done === false) { + started++; + value = item.value; + iterator(value, createCallback(value)); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null, result); + } + } + + function symbolIteratorWithKey() { + item = iter.next(); + if (item.done === false) { + value = item.value; + iterator(value, started++, createCallback(value)); + } else if (completed === started && iterator !== noop) { + iterator = noop; + callback(null, result); + } + } + + function objectIterator() { + if (started < size) { + value = collection[keys[started++]]; + iterator(value, createCallback(value)); + } + } + + function objectIteratorWithKey() { + if (started < size) { + key = keys[started++]; + value = collection[key]; + iterator(value, key, createCallback(value)); + } + } + + function createCallback(value) { + var called = false; + return function(err, key) { + if (called) { + throwError(); + } + called = true; + if (err) { + iterate = noop; + callback = once(callback); + callback(err, objectClone(result)); + return; + } + var array = result[key]; + if (!array) { + result[key] = [value]; + } else { + array.push(value); + } + if (++completed === size) { + callback(null, result); + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + }; + } + } + + /** + * @private + * @param {Function} arrayEach + * @param {Function} baseEach + */ + function createParallel(arrayEach, baseEach) { + return function parallel(tasks, callback) { + callback = callback || noop; + var size, keys, result; + var completed = 0; + + if (isArray(tasks)) { + size = tasks.length; + result = Array(size); + arrayEach(tasks, createCallback); + } else if (tasks && typeof tasks === obj) { + keys = nativeKeys(tasks); + size = keys.length; + result = {}; + baseEach(tasks, createCallback, keys); + } + if (!size) { + callback(null, result); + } + + function createCallback(key) { + return function(err, res) { + if (key === null) { + throwError(); + } + if (err) { + key = null; + callback = once(callback); + callback(err, result); + return; + } + result[key] = arguments.length <= 2 ? res : slice(arguments, 1); + key = null; + if (++completed === size) { + callback(null, result); + } + }; + } + }; + } + + /** + * @memberof async + * @namespace series + * @param {Array|Object} tasks - functions + * @param {Function} callback + * @example + * + * var order = []; + * var tasks = [ + * function(done) { + * setTimeout(function() { + * order.push(1); + * done(null, 1); + * }, 10); + * }, + * function(done) { + * setTimeout(function() { + * order.push(2); + * done(null, 2); + * }, 30); + * }, + * function(done) { + * setTimeout(function() { + * order.push(3); + * done(null, 3); + * }, 40); + * }, + * function(done) { + * setTimeout(function() { + * order.push(4); + * done(null, 4); + * }, 20); + * } + * ]; + * async.series(tasks, function(err, res) { + * console.log(res); // [1, 2, 3, 4]; + * console.log(order); // [1, 2, 3, 4] + * }); + * + * @example + * + * var order = []; + * var tasks = { + * 'a': function(done) { + * setTimeout(function() { + * order.push(1); + * done(null, 1); + * }, 10); + * }, + * 'b': function(done) { + * setTimeout(function() { + * order.push(2); + * done(null, 2); + * }, 30); + * }, + * 'c': function(done) { + * setTimeout(function() { + * order.push(3); + * done(null, 3); + * }, 40); + * }, + * 'd': function(done) { + * setTimeout(function() { + * order.push(4); + * done(null, 4); + * }, 20); + * } + * }; + * async.series(tasks, function(err, res) { + * console.log(res); // { a: 1, b: 2, c: 3, d:4 } + * console.log(order); // [1, 4, 2, 3] + * }); + * + */ + function series(tasks, callback) { + callback = callback || noop; + var size, key, keys, result, iterate; + var sync = false; + var completed = 0; + + if (isArray(tasks)) { + size = tasks.length; + result = Array(size); + iterate = arrayIterator; + } else if (tasks && typeof tasks === obj) { + keys = nativeKeys(tasks); + size = keys.length; + result = {}; + iterate = objectIterator; + } else { + return callback(null); + } + if (!size) { + return callback(null, result); + } + iterate(); + + function arrayIterator() { + key = completed; + tasks[completed](done); + } + + function objectIterator() { + key = keys[completed]; + tasks[key](done); + } + + function done(err, res) { + if (err) { + iterate = throwError; + callback = onlyOnce(callback); + callback(err, result); + return; + } + result[key] = arguments.length <= 2 ? res : slice(arguments, 1); + if (++completed === size) { + iterate = throwError; + callback(null, result); + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + } + } + + /** + * @memberof async + * @namespace parallelLimit + * @param {Array|Object} tasks - functions + * @param {number} limit - limit >= 1 + * @param {Function} callback + * @example + * + * var order = []; + * var tasks = [ + * function(done) { + * setTimeout(function() { + * order.push(1); + * done(null, 1); + * }, 10); + * }, + * function(done) { + * setTimeout(function() { + * order.push(2); + * done(null, 2); + * }, 50); + * }, + * function(done) { + * setTimeout(function() { + * order.push(3); + * done(null, 3); + * }, 30); + * }, + * function(done) { + * setTimeout(function() { + * order.push(4); + * done(null, 4); + * }, 40); + * } + * ]; + * async.parallelLimit(tasks, 2, function(err, res) { + * console.log(res); // [1, 2, 3, 4]; + * console.log(order); // [1, 3, 2, 4] + * }); + * + * @example + * + * var order = []; + * var tasks = { + * 'a': function(done) { + * setTimeout(function() { + * order.push(1); + * done(null, 1); + * }, 10); + * }, + * 'b': function(done) { + * setTimeout(function() { + * order.push(2); + * done(null, 2); + * }, 50); + * }, + * 'c': function(done) { + * setTimeout(function() { + * order.push(3); + * done(null, 3); + * }, 20); + * }, + * 'd': function(done) { + * setTimeout(function() { + * order.push(4); + * done(null, 4); + * }, 40); + * } + * }; + * async.parallelLimit(tasks, 2, function(err, res) { + * console.log(res); // { a: 1, b: 2, c: 3, d:4 } + * console.log(order); // [1, 3, 2, 4] + * }); + * + */ + function parallelLimit(tasks, limit, callback) { + callback = callback || noop; + var size, index, key, keys, result, iterate; + var sync = false; + var started = 0; + var completed = 0; + + if (isArray(tasks)) { + size = tasks.length; + result = Array(size); + iterate = arrayIterator; + } else if (tasks && typeof tasks === obj) { + keys = nativeKeys(tasks); + size = keys.length; + result = {}; + iterate = objectIterator; + } + if (!size || isNaN(limit) || limit < 1) { + return callback(null, result); + } + timesSync(limit > size ? size : limit, iterate); + + function arrayIterator() { + index = started++; + if (index < size) { + tasks[index](createCallback(index)); + } + } + + function objectIterator() { + if (started < size) { + key = keys[started++]; + tasks[key](createCallback(key)); + } + } + + function createCallback(key) { + return function(err, res) { + if (key === null) { + throwError(); + } + if (err) { + key = null; + iterate = noop; + callback = once(callback); + callback(err, result); + return; + } + result[key] = arguments.length <= 2 ? res : slice(arguments, 1); + key = null; + if (++completed === size) { + callback(null, result); + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + }; + } + } + + /** + * @memberof async + * @namespace tryEach + * @param {Array|Object} tasks - functions + * @param {Function} callback + * @example + * + * var tasks = [ + * function(done) { + * setTimeout(function() { + * done(new Error('error')); + * }, 10); + * }, + * function(done) { + * setTimeout(function() { + * done(null, 2); + * }, 10); + * } + * ]; + * async.tryEach(tasks, function(err, res) { + * console.log(res); // 2 + * }); + * + * @example + * + * var tasks = [ + * function(done) { + * setTimeout(function() { + * done(new Error('error1')); + * }, 10); + * }, + * function(done) { + * setTimeout(function() { + * done(new Error('error2'); + * }, 10); + * } + * ]; + * async.tryEach(tasks, function(err, res) { + * console.log(err); // error2 + * console.log(res); // undefined + * }); + * + */ + function tryEach(tasks, callback) { + callback = callback || noop; + var size, keys, iterate; + var sync = false; + var completed = 0; + + if (isArray(tasks)) { + size = tasks.length; + iterate = arrayIterator; + } else if (tasks && typeof tasks === obj) { + keys = nativeKeys(tasks); + size = keys.length; + iterate = objectIterator; + } + if (!size) { + return callback(null); + } + iterate(); + + function arrayIterator() { + tasks[completed](done); + } + + function objectIterator() { + tasks[keys[completed]](done); + } + + function done(err, res) { + if (!err) { + if (arguments.length <= 2) { + callback(null, res); + } else { + callback(null, slice(arguments, 1)); + } + } else if (++completed === size) { + callback(err); + } else { + sync = true; + iterate(); + } + sync = false; + } + } + + /** + * check for waterfall tasks + * @private + * @param {Array} tasks + * @param {Function} callback + * @return {boolean} + */ + function checkWaterfallTasks(tasks, callback) { + if (!isArray(tasks)) { + callback(new Error('First argument to waterfall must be an array of functions')); + return false; + } + if (tasks.length === 0) { + callback(null); + return false; + } + return true; + } + + /** + * check for waterfall tasks + * @private + * @param {function} func + * @param {Array|Object} args - arguments + * @return {function} next + */ + function waterfallIterator(func, args, next) { + switch (args.length) { + case 0: + case 1: + return func(next); + case 2: + return func(args[1], next); + case 3: + return func(args[1], args[2], next); + case 4: + return func(args[1], args[2], args[3], next); + case 5: + return func(args[1], args[2], args[3], args[4], next); + case 6: + return func(args[1], args[2], args[3], args[4], args[5], next); + default: + args = slice(args, 1); + args.push(next); + return func.apply(null, args); + } + } + + /** + * @memberof async + * @namespace waterfall + * @param {Array} tasks - functions + * @param {Function} callback + * @example + * + * var order = []; + * var tasks = [ + * function(next) { + * setTimeout(function() { + * order.push(1); + * next(null, 1); + * }, 10); + * }, + * function(arg1, next) { + * setTimeout(function() { + * order.push(2); + * next(null, 1, 2); + * }, 30); + * }, + * function(arg1, arg2, next) { + * setTimeout(function() { + * order.push(3); + * next(null, 3); + * }, 20); + * }, + * function(arg1, next) { + * setTimeout(function() { + * order.push(4); + * next(null, 1, 2, 3, 4); + * }, 40); + * } + * ]; + * async.waterfall(tasks, function(err, arg1, arg2, arg3, arg4) { + * console.log(arg1, arg2, arg3, arg4); // 1 2 3 4 + * }); + * + */ + function waterfall(tasks, callback) { + callback = callback || noop; + if (!checkWaterfallTasks(tasks, callback)) { + return; + } + var func, args, done, sync; + var completed = 0; + var size = tasks.length; + waterfallIterator(tasks[0], [], createCallback(0)); + + function iterate() { + waterfallIterator(func, args, createCallback(func)); + } + + function createCallback(index) { + return function next(err, res) { + if (index === undefined) { + callback = noop; + throwError(); + } + index = undefined; + if (err) { + done = callback; + callback = throwError; + done(err); + return; + } + if (++completed === size) { + done = callback; + callback = throwError; + if (arguments.length <= 2) { + done(err, res); + } else { + done.apply(null, createArray(arguments)); + } + return; + } + if (sync) { + args = arguments; + func = tasks[completed] || throwError; + nextTick(iterate); + } else { + sync = true; + waterfallIterator(tasks[completed] || throwError, arguments, createCallback(completed)); + } + sync = false; + }; + } + } + + /** + * `angelFall` is like `waterfall` and inject callback to last argument of next task. + * + * @memberof async + * @namespace angelFall + * @param {Array} tasks - functions + * @param {Function} callback + * @example + * + * var order = []; + * var tasks = [ + * function(next) { + * setTimeout(function() { + * order.push(1); + * next(null, 1); + * }, 10); + * }, + * function(arg1, empty, next) { + * setTimeout(function() { + * order.push(2); + * next(null, 1, 2); + * }, 30); + * }, + * function(next) { + * setTimeout(function() { + * order.push(3); + * next(null, 3); + * }, 20); + * }, + * function(arg1, empty1, empty2, empty3, next) { + * setTimeout(function() { + * order.push(4); + * next(null, 1, 2, 3, 4); + * }, 40); + * } + * ]; + * async.angelFall(tasks, function(err, arg1, arg2, arg3, arg4) { + * console.log(arg1, arg2, arg3, arg4); // 1 2 3 4 + * }); + * + */ + function angelFall(tasks, callback) { + callback = callback || noop; + if (!checkWaterfallTasks(tasks, callback)) { + return; + } + var completed = 0; + var sync = false; + var size = tasks.length; + var func = tasks[completed]; + var args = []; + var iterate = function() { + switch (func.length) { + case 0: + try { + next(null, func()); + } catch (e) { + next(e); + } + return; + case 1: + return func(next); + case 2: + return func(args[1], next); + case 3: + return func(args[1], args[2], next); + case 4: + return func(args[1], args[2], args[3], next); + case 5: + return func(args[1], args[2], args[3], args[4], next); + default: + args = slice(args, 1); + args[func.length - 1] = next; + return func.apply(null, args); + } + }; + iterate(); + + function next(err, res) { + if (err) { + iterate = throwError; + callback = onlyOnce(callback); + callback(err); + return; + } + if (++completed === size) { + iterate = throwError; + var done = callback; + callback = throwError; + if (arguments.length === 2) { + done(err, res); + } else { + done.apply(null, createArray(arguments)); + } + return; + } + func = tasks[completed]; + args = arguments; + if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + } + } + + /** + * @memberof async + * @namespace whilst + * @param {Function} test + * @param {Function} iterator + * @param {Function} callback + */ + function whilst(test, iterator, callback) { + callback = callback || noop; + var sync = false; + if (test()) { + iterate(); + } else { + callback(null); + } + + function iterate() { + if (sync) { + nextTick(next); + } else { + sync = true; + iterator(done); + } + sync = false; + } + + function next() { + iterator(done); + } + + function done(err, arg) { + if (err) { + return callback(err); + } + if (arguments.length <= 2) { + if (test(arg)) { + iterate(); + } else { + callback(null, arg); + } + return; + } + arg = slice(arguments, 1); + if (test.apply(null, arg)) { + iterate(); + } else { + callback.apply(null, [null].concat(arg)); + } + } + } + + /** + * @memberof async + * @namespace doWhilst + * @param {Function} iterator + * @param {Function} test + * @param {Function} callback + */ + function doWhilst(iterator, test, callback) { + callback = callback || noop; + var sync = false; + next(); + + function iterate() { + if (sync) { + nextTick(next); + } else { + sync = true; + iterator(done); + } + sync = false; + } + + function next() { + iterator(done); + } + + function done(err, arg) { + if (err) { + return callback(err); + } + if (arguments.length <= 2) { + if (test(arg)) { + iterate(); + } else { + callback(null, arg); + } + return; + } + arg = slice(arguments, 1); + if (test.apply(null, arg)) { + iterate(); + } else { + callback.apply(null, [null].concat(arg)); + } + } + } + + /** + * @memberof async + * @namespace until + * @param {Function} test + * @param {Function} iterator + * @param {Function} callback + */ + function until(test, iterator, callback) { + callback = callback || noop; + var sync = false; + if (!test()) { + iterate(); + } else { + callback(null); + } + + function iterate() { + if (sync) { + nextTick(next); + } else { + sync = true; + iterator(done); + } + sync = false; + } + + function next() { + iterator(done); + } + + function done(err, arg) { + if (err) { + return callback(err); + } + if (arguments.length <= 2) { + if (!test(arg)) { + iterate(); + } else { + callback(null, arg); + } + return; + } + arg = slice(arguments, 1); + if (!test.apply(null, arg)) { + iterate(); + } else { + callback.apply(null, [null].concat(arg)); + } + } + } + + /** + * @memberof async + * @namespace doUntil + * @param {Function} iterator + * @param {Function} test + * @param {Function} callback + */ + function doUntil(iterator, test, callback) { + callback = callback || noop; + var sync = false; + next(); + + function iterate() { + if (sync) { + nextTick(next); + } else { + sync = true; + iterator(done); + } + sync = false; + } + + function next() { + iterator(done); + } + + function done(err, arg) { + if (err) { + return callback(err); + } + if (arguments.length <= 2) { + if (!test(arg)) { + iterate(); + } else { + callback(null, arg); + } + return; + } + arg = slice(arguments, 1); + if (!test.apply(null, arg)) { + iterate(); + } else { + callback.apply(null, [null].concat(arg)); + } + } + } + + /** + * @memberof async + * @namespace during + * @param {Function} test + * @param {Function} iterator + * @param {Function} callback + */ + function during(test, iterator, callback) { + callback = callback || noop; + _test(); + + function _test() { + test(iterate); + } + + function iterate(err, truth) { + if (err) { + return callback(err); + } + if (truth) { + iterator(done); + } else { + callback(null); + } + } + + function done(err) { + if (err) { + return callback(err); + } + _test(); + } + } + + /** + * @memberof async + * @namespace doDuring + * @param {Function} test + * @param {Function} iterator + * @param {Function} callback + */ + function doDuring(iterator, test, callback) { + callback = callback || noop; + iterate(null, true); + + function iterate(err, truth) { + if (err) { + return callback(err); + } + if (truth) { + iterator(done); + } else { + callback(null); + } + } + + function done(err, res) { + if (err) { + return callback(err); + } + switch (arguments.length) { + case 0: + case 1: + test(iterate); + break; + case 2: + test(res, iterate); + break; + default: + var args = slice(arguments, 1); + args.push(iterate); + test.apply(null, args); + break; + } + } + } + + /** + * @memberof async + * @namespace forever + */ + function forever(iterator, callback) { + var sync = false; + iterate(); + + function iterate() { + iterator(next); + } + + function next(err) { + if (err) { + if (callback) { + return callback(err); + } + throw err; + } + if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + } + } + + /** + * @memberof async + * @namespace compose + */ + function compose() { + return seq.apply(null, reverse(arguments)); + } + + /** + * @memberof async + * @namespace seq + */ + function seq(/* functions... */) { + var fns = createArray(arguments); + + return function() { + var self = this; + var args = createArray(arguments); + var callback = args[args.length - 1]; + if (typeof callback === func) { + args.pop(); + } else { + callback = noop; + } + reduce(fns, args, iterator, done); + + function iterator(newargs, fn, callback) { + var func = function(err) { + var nextargs = slice(arguments, 1); + callback(err, nextargs); + }; + newargs.push(func); + fn.apply(self, newargs); + } + + function done(err, res) { + res = isArray(res) ? res : [res]; + res.unshift(err); + callback.apply(self, res); + } + }; + } + + function createApplyEach(func) { + return function applyEach(fns /* arguments */) { + var go = function() { + var self = this; + var args = createArray(arguments); + var callback = args.pop() || noop; + return func(fns, iterator, callback); + + function iterator(fn, done) { + fn.apply(self, args.concat([done])); + } + }; + if (arguments.length > 1) { + var args = slice(arguments, 1); + return go.apply(this, args); + } else { + return go; + } + }; + } + + /** + * @see https://github.com/caolan/async/blob/master/lib/internal/DoublyLinkedList.js + */ + function DLL() { + this.head = null; + this.tail = null; + this.length = 0; + } + + DLL.prototype._removeLink = function(node) { + var prev = node.prev; + var next = node.next; + if (prev) { + prev.next = next; + } else { + this.head = next; + } + if (next) { + next.prev = prev; + } else { + this.tail = prev; + } + node.prev = null; + node.next = null; + this.length--; + return node; + }; + + DLL.prototype.empty = DLL; + + DLL.prototype._setInitial = function(node) { + this.length = 1; + this.head = this.tail = node; + }; + + DLL.prototype.insertBefore = function(node, newNode) { + newNode.prev = node.prev; + newNode.next = node; + if (node.prev) { + node.prev.next = newNode; + } else { + this.head = newNode; + } + node.prev = newNode; + this.length++; + }; + + DLL.prototype.unshift = function(node) { + if (this.head) { + this.insertBefore(this.head, node); + } else { + this._setInitial(node); + } + }; + + DLL.prototype.push = function(node) { + var tail = this.tail; + if (tail) { + node.prev = tail; + node.next = tail.next; + this.tail = node; + tail.next = node; + this.length++; + } else { + this._setInitial(node); + } + }; + + DLL.prototype.shift = function() { + return this.head && this._removeLink(this.head); + }; + + DLL.prototype.splice = function(end) { + var task; + var tasks = []; + while (end-- && (task = this.shift())) { + tasks.push(task); + } + return tasks; + }; + + DLL.prototype.remove = function(test) { + var node = this.head; + while (node) { + if (test(node)) { + this._removeLink(node); + } + node = node.next; + } + return this; + }; + + /** + * @private + */ + function baseQueue(isQueue, worker, concurrency, payload) { + if (concurrency === undefined) { + concurrency = 1; + } else if (isNaN(concurrency) || concurrency < 1) { + throw new Error('Concurrency must not be zero'); + } + + var workers = 0; + var workersList = []; + var _callback, _unshift; + + var q = { + _tasks: new DLL(), + concurrency: concurrency, + payload: payload, + saturated: noop, + unsaturated: noop, + buffer: concurrency / 4, + empty: noop, + drain: noop, + error: noop, + started: false, + paused: false, + push: push, + kill: kill, + unshift: unshift, + remove: remove, + process: isQueue ? runQueue : runCargo, + length: getLength, + running: running, + workersList: getWorkersList, + idle: idle, + pause: pause, + resume: resume, + _worker: worker + }; + return q; + + function push(tasks, callback) { + _insert(tasks, callback); + } + + function unshift(tasks, callback) { + _insert(tasks, callback, true); + } + + function _exec(task) { + var item = { + data: task, + callback: _callback + }; + if (_unshift) { + q._tasks.unshift(item); + } else { + q._tasks.push(item); + } + nextTick(q.process); + } + + function _insert(tasks, callback, unshift) { + if (callback == null) { + callback = noop; + } else if (typeof callback !== 'function') { + throw new Error('task callback must be a function'); + } + q.started = true; + var _tasks = isArray(tasks) ? tasks : [tasks]; + + if (tasks === undefined || !_tasks.length) { + if (q.idle()) { + nextTick(q.drain); + } + return; + } + + _unshift = unshift; + _callback = callback; + arrayEachSync(_tasks, _exec); + // Avoid leaking the callback + _callback = undefined; + } + + function kill() { + q.drain = noop; + q._tasks.empty(); + } + + function _next(q, tasks) { + var called = false; + return function done(err, res) { + if (called) { + throwError(); + } + called = true; + + workers--; + var task; + var index = -1; + var size = workersList.length; + var taskIndex = -1; + var taskSize = tasks.length; + var useApply = arguments.length > 2; + var args = useApply && createArray(arguments); + while (++taskIndex < taskSize) { + task = tasks[taskIndex]; + while (++index < size) { + if (workersList[index] === task) { + if (index === 0) { + workersList.shift(); + } else { + workersList.splice(index, 1); + } + index = size; + size--; + } + } + index = -1; + if (useApply) { + task.callback.apply(task, args); + } else { + task.callback(err, res); + } + if (err) { + q.error(err, task.data); + } + } + + if (workers <= q.concurrency - q.buffer) { + q.unsaturated(); + } + + if (q._tasks.length + workers === 0) { + q.drain(); + } + q.process(); + }; + } + + function runQueue() { + while (!q.paused && workers < q.concurrency && q._tasks.length) { + var task = q._tasks.shift(); + workers++; + workersList.push(task); + if (q._tasks.length === 0) { + q.empty(); + } + if (workers === q.concurrency) { + q.saturated(); + } + var done = _next(q, [task]); + worker(task.data, done); + } + } + + function runCargo() { + while (!q.paused && workers < q.concurrency && q._tasks.length) { + var tasks = q._tasks.splice(q.payload || q._tasks.length); + var index = -1; + var size = tasks.length; + var data = Array(size); + while (++index < size) { + data[index] = tasks[index].data; + } + workers++; + nativePush.apply(workersList, tasks); + if (q._tasks.length === 0) { + q.empty(); + } + if (workers === q.concurrency) { + q.saturated(); + } + var done = _next(q, tasks); + worker(data, done); + } + } + + function getLength() { + return q._tasks.length; + } + + function running() { + return workers; + } + + function getWorkersList() { + return workersList; + } + + function idle() { + return q.length() + workers === 0; + } + + function pause() { + q.paused = true; + } + + function _resume() { + nextTick(q.process); + } + + function resume() { + if (q.paused === false) { + return; + } + q.paused = false; + var count = q.concurrency < q._tasks.length ? q.concurrency : q._tasks.length; + timesSync(count, _resume); + } + + /** + * @param {Function} test + */ + function remove(test) { + q._tasks.remove(test); + } + } + + /** + * @memberof async + * @namespace queue + */ + function queue(worker, concurrency) { + return baseQueue(true, worker, concurrency); + } + + /** + * @memberof async + * @namespace priorityQueue + */ + function priorityQueue(worker, concurrency) { + var q = baseQueue(true, worker, concurrency); + q.push = push; + delete q.unshift; + return q; + + function push(tasks, priority, callback) { + q.started = true; + priority = priority || 0; + var _tasks = isArray(tasks) ? tasks : [tasks]; + var taskSize = _tasks.length; + + if (tasks === undefined || taskSize === 0) { + if (q.idle()) { + nextTick(q.drain); + } + return; + } + + callback = typeof callback === func ? callback : noop; + var nextNode = q._tasks.head; + while (nextNode && priority >= nextNode.priority) { + nextNode = nextNode.next; + } + while (taskSize--) { + var item = { + data: _tasks[taskSize], + priority: priority, + callback: callback + }; + if (nextNode) { + q._tasks.insertBefore(nextNode, item); + } else { + q._tasks.push(item); + } + nextTick(q.process); + } + } + } + + /** + * @memberof async + * @namespace cargo + */ + function cargo(worker, payload) { + return baseQueue(false, worker, 1, payload); + } + + /** + * @memberof async + * @namespace auto + * @param {Object} tasks + * @param {number} [concurrency] + * @param {Function} [callback] + */ + function auto(tasks, concurrency, callback) { + if (typeof concurrency === func) { + callback = concurrency; + concurrency = null; + } + var keys = nativeKeys(tasks); + var rest = keys.length; + var results = {}; + if (rest === 0) { + return callback(null, results); + } + var runningTasks = 0; + var readyTasks = new DLL(); + var listeners = Object.create(null); + callback = onlyOnce(callback || noop); + concurrency = concurrency || rest; + + baseEachSync(tasks, iterator, keys); + proceedQueue(); + + function iterator(task, key) { + // no dependencies + var _task, _taskSize; + if (!isArray(task)) { + _task = task; + _taskSize = 0; + readyTasks.push([_task, _taskSize, done]); + return; + } + var dependencySize = task.length - 1; + _task = task[dependencySize]; + _taskSize = dependencySize; + if (dependencySize === 0) { + readyTasks.push([_task, _taskSize, done]); + return; + } + // dependencies + var index = -1; + while (++index < dependencySize) { + var dependencyName = task[index]; + if (notInclude(keys, dependencyName)) { + var msg = + 'async.auto task `' + + key + + '` has non-existent dependency `' + + dependencyName + + '` in ' + + task.join(', '); + throw new Error(msg); + } + var taskListeners = listeners[dependencyName]; + if (!taskListeners) { + taskListeners = listeners[dependencyName] = []; + } + taskListeners.push(taskListener); + } + + function done(err, arg) { + if (key === null) { + throwError(); + } + arg = arguments.length <= 2 ? arg : slice(arguments, 1); + if (err) { + rest = 0; + runningTasks = 0; + readyTasks.length = 0; + var safeResults = objectClone(results); + safeResults[key] = arg; + key = null; + var _callback = callback; + callback = noop; + _callback(err, safeResults); + return; + } + runningTasks--; + rest--; + results[key] = arg; + taskComplete(key); + key = null; + } + + function taskListener() { + if (--dependencySize === 0) { + readyTasks.push([_task, _taskSize, done]); + } + } + } + + function proceedQueue() { + if (readyTasks.length === 0 && runningTasks === 0) { + if (rest !== 0) { + throw new Error('async.auto task has cyclic dependencies'); + } + return callback(null, results); + } + while (readyTasks.length && runningTasks < concurrency && callback !== noop) { + runningTasks++; + var array = readyTasks.shift(); + if (array[1] === 0) { + array[0](array[2]); + } else { + array[0](results, array[2]); + } + } + } + + function taskComplete(key) { + var taskListeners = listeners[key] || []; + arrayEachSync(taskListeners, function(task) { + task(); + }); + proceedQueue(); + } + } + + var FN_ARGS = /^(function)?\s*[^\(]*\(\s*([^\)]*)\)/m; + var FN_ARG_SPLIT = /,/; + var FN_ARG = /(=.+)?(\s*)$/; + var STRIP_COMMENTS = /((\/\/.*$)|(\/\*[\s\S]*?\*\/))/gm; + + /** + * parse function arguments for `autoInject` + * + * @private + */ + function parseParams(func) { + func = func.toString().replace(STRIP_COMMENTS, ''); + func = func.match(FN_ARGS)[2].replace(' ', ''); + func = func ? func.split(FN_ARG_SPLIT) : []; + func = func.map(function(arg) { + return arg.replace(FN_ARG, '').trim(); + }); + return func; + } + + /** + * @memberof async + * @namespace autoInject + * @param {Object} tasks + * @param {number} [concurrency] + * @param {Function} [callback] + */ + function autoInject(tasks, concurrency, callback) { + var newTasks = {}; + baseEachSync(tasks, iterator, nativeKeys(tasks)); + auto(newTasks, concurrency, callback); + + function iterator(task, key) { + var params; + var taskLength = task.length; + + if (isArray(task)) { + if (taskLength === 0) { + throw new Error('autoInject task functions require explicit parameters.'); + } + params = createArray(task); + taskLength = params.length - 1; + task = params[taskLength]; + if (taskLength === 0) { + newTasks[key] = task; + return; + } + } else if (taskLength === 1) { + newTasks[key] = task; + return; + } else { + params = parseParams(task); + if (taskLength === 0 && params.length === 0) { + throw new Error('autoInject task functions require explicit parameters.'); + } + taskLength = params.length - 1; + } + params[taskLength] = newTask; + newTasks[key] = params; + + function newTask(results, done) { + switch (taskLength) { + case 1: + task(results[params[0]], done); + break; + case 2: + task(results[params[0]], results[params[1]], done); + break; + case 3: + task(results[params[0]], results[params[1]], results[params[2]], done); + break; + default: + var i = -1; + while (++i < taskLength) { + params[i] = results[params[i]]; + } + params[i] = done; + task.apply(null, params); + break; + } + } + } + } + + /** + * @memberof async + * @namespace retry + * @param {integer|Object|Function} opts + * @param {Function} [task] + * @param {Function} [callback] + */ + function retry(opts, task, callback) { + var times, intervalFunc, errorFilter; + var count = 0; + if (arguments.length < 3 && typeof opts === func) { + callback = task || noop; + task = opts; + opts = null; + times = DEFAULT_TIMES; + } else { + callback = callback || noop; + switch (typeof opts) { + case 'object': + if (typeof opts.errorFilter === func) { + errorFilter = opts.errorFilter; + } + var interval = opts.interval; + switch (typeof interval) { + case func: + intervalFunc = interval; + break; + case 'string': + case 'number': + interval = +interval; + intervalFunc = interval + ? function() { + return interval; + } + : function() { + return DEFAULT_INTERVAL; + }; + break; + } + times = +opts.times || DEFAULT_TIMES; + break; + case 'number': + times = opts || DEFAULT_TIMES; + break; + case 'string': + times = +opts || DEFAULT_TIMES; + break; + default: + throw new Error('Invalid arguments for async.retry'); + } + } + if (typeof task !== 'function') { + throw new Error('Invalid arguments for async.retry'); + } + + if (intervalFunc) { + task(intervalCallback); + } else { + task(simpleCallback); + } + + function simpleIterator() { + task(simpleCallback); + } + + function simpleCallback(err, res) { + if (++count === times || !err || (errorFilter && !errorFilter(err))) { + if (arguments.length <= 2) { + return callback(err, res); + } + var args = createArray(arguments); + return callback.apply(null, args); + } + simpleIterator(); + } + + function intervalIterator() { + task(intervalCallback); + } + + function intervalCallback(err, res) { + if (++count === times || !err || (errorFilter && !errorFilter(err))) { + if (arguments.length <= 2) { + return callback(err, res); + } + var args = createArray(arguments); + return callback.apply(null, args); + } + setTimeout(intervalIterator, intervalFunc(count)); + } + } + + function retryable(opts, task) { + if (!task) { + task = opts; + opts = null; + } + return done; + + function done() { + var taskFn; + var args = createArray(arguments); + var lastIndex = args.length - 1; + var callback = args[lastIndex]; + switch (task.length) { + case 1: + taskFn = task1; + break; + case 2: + taskFn = task2; + break; + case 3: + taskFn = task3; + break; + default: + taskFn = task4; + } + if (opts) { + retry(opts, taskFn, callback); + } else { + retry(taskFn, callback); + } + + function task1(done) { + task(done); + } + + function task2(done) { + task(args[0], done); + } + + function task3(done) { + task(args[0], args[1], done); + } + + function task4(callback) { + args[lastIndex] = callback; + task.apply(null, args); + } + } + } + + /** + * @memberof async + * @namespace iterator + */ + function iterator(tasks) { + var size = 0; + var keys = []; + if (isArray(tasks)) { + size = tasks.length; + } else { + keys = nativeKeys(tasks); + size = keys.length; + } + return makeCallback(0); + + function makeCallback(index) { + var fn = function() { + if (size) { + var key = keys[index] || index; + tasks[key].apply(null, createArray(arguments)); + } + return fn.next(); + }; + fn.next = function() { + return index < size - 1 ? makeCallback(index + 1) : null; + }; + return fn; + } + } + + /** + * @memberof async + * @namespace apply + */ + function apply(func) { + switch (arguments.length) { + case 0: + case 1: + return func; + case 2: + return func.bind(null, arguments[1]); + case 3: + return func.bind(null, arguments[1], arguments[2]); + case 4: + return func.bind(null, arguments[1], arguments[2], arguments[3]); + case 5: + return func.bind(null, arguments[1], arguments[2], arguments[3], arguments[4]); + default: + var size = arguments.length; + var index = 0; + var args = Array(size); + args[index] = null; + while (++index < size) { + args[index] = arguments[index]; + } + return func.bind.apply(func, args); + } + } + + /** + * @memberof async + * @namespace timeout + * @param {Function} func + * @param {number} millisec + * @param {*} info + */ + function timeout(func, millisec, info) { + var callback, timer; + return wrappedFunc; + + function wrappedFunc() { + timer = setTimeout(timeoutCallback, millisec); + var args = createArray(arguments); + var lastIndex = args.length - 1; + callback = args[lastIndex]; + args[lastIndex] = injectedCallback; + simpleApply(func, args); + } + + function timeoutCallback() { + var name = func.name || 'anonymous'; + var err = new Error('Callback function "' + name + '" timed out.'); + err.code = 'ETIMEDOUT'; + if (info) { + err.info = info; + } + timer = null; + callback(err); + } + + function injectedCallback() { + if (timer !== null) { + simpleApply(callback, createArray(arguments)); + clearTimeout(timer); + } + } + + function simpleApply(func, args) { + switch (args.length) { + case 0: + func(); + break; + case 1: + func(args[0]); + break; + case 2: + func(args[0], args[1]); + break; + default: + func.apply(null, args); + break; + } + } + } + + /** + * @memberof async + * @namespace times + * @param {number} n - n >= 1 + * @param {Function} iterator + * @param {Function} callback + * @example + * + * var iterator = function(n, done) { + * done(null, n); + * }; + * async.times(4, iterator, function(err, res) { + * console.log(res); // [0, 1, 2, 3]; + * }); + * + */ + function times(n, iterator, callback) { + callback = callback || noop; + n = +n; + if (isNaN(n) || n < 1) { + return callback(null, []); + } + var result = Array(n); + timesSync(n, iterate); + + function iterate(num) { + iterator(num, createCallback(num)); + } + + function createCallback(index) { + return function(err, res) { + if (index === null) { + throwError(); + } + result[index] = res; + index = null; + if (err) { + callback(err); + callback = noop; + } else if (--n === 0) { + callback(null, result); + } + }; + } + } + + /** + * @memberof async + * @namespace timesSeries + * @param {number} n - n >= 1 + * @param {Function} iterator + * @param {Function} callback + * @example + * + * var iterator = function(n, done) { + * done(null, n); + * }; + * async.timesSeries(4, iterator, function(err, res) { + * console.log(res); // [0, 1, 2, 3]; + * }); + * + */ + function timesSeries(n, iterator, callback) { + callback = callback || noop; + n = +n; + if (isNaN(n) || n < 1) { + return callback(null, []); + } + var result = Array(n); + var sync = false; + var completed = 0; + iterate(); + + function iterate() { + iterator(completed, done); + } + + function done(err, res) { + result[completed] = res; + if (err) { + callback(err); + callback = throwError; + } else if (++completed >= n) { + callback(null, result); + callback = throwError; + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + } + } + + /** + * @memberof async + * @namespace timesLimit + * @param {number} n - n >= 1 + * @param {number} limit - n >= 1 + * @param {Function} iterator + * @param {Function} callback + * @example + * + * var iterator = function(n, done) { + * done(null, n); + * }; + * async.timesLimit(4, 2, iterator, function(err, res) { + * console.log(res); // [0, 1, 2, 3]; + * }); + * + */ + function timesLimit(n, limit, iterator, callback) { + callback = callback || noop; + n = +n; + if (isNaN(n) || n < 1 || isNaN(limit) || limit < 1) { + return callback(null, []); + } + var result = Array(n); + var sync = false; + var started = 0; + var completed = 0; + timesSync(limit > n ? n : limit, iterate); + + function iterate() { + var index = started++; + if (index < n) { + iterator(index, createCallback(index)); + } + } + + function createCallback(index) { + return function(err, res) { + if (index === null) { + throwError(); + } + result[index] = res; + index = null; + if (err) { + callback(err); + callback = noop; + } else if (++completed >= n) { + callback(null, result); + callback = throwError; + } else if (sync) { + nextTick(iterate); + } else { + sync = true; + iterate(); + } + sync = false; + }; + } + } + + /** + * @memberof async + * @namespace race + * @param {Array|Object} tasks - functions + * @param {Function} callback + * @example + * + * // array + * var called = 0; + * var tasks = [ + * function(done) { + * setTimeout(function() { + * called++; + * done(null, '1'); + * }, 30); + * }, + * function(done) { + * setTimeout(function() { + * called++; + * done(null, '2'); + * }, 20); + * }, + * function(done) { + * setTimeout(function() { + * called++; + * done(null, '3'); + * }, 10); + * } + * ]; + * async.race(tasks, function(err, res) { + * console.log(res); // '3' + * console.log(called); // 1 + * setTimeout(function() { + * console.log(called); // 3 + * }, 50); + * }); + * + * @example + * + * // object + * var called = 0; + * var tasks = { + * 'test1': function(done) { + * setTimeout(function() { + * called++; + * done(null, '1'); + * }, 30); + * }, + * 'test2': function(done) { + * setTimeout(function() { + * called++; + * done(null, '2'); + * }, 20); + * }, + * 'test3': function(done) { + * setTimeout(function() { + * called++; + * done(null, '3'); + * }, 10); + * } + * }; + * async.race(tasks, function(err, res) { + * console.log(res); // '3' + * console.log(called); // 1 + * setTimeout(function() { + * console.log(called); // 3 + * done(); + * }, 50); + * }); + * + */ + function race(tasks, callback) { + callback = once(callback || noop); + var size, keys; + var index = -1; + if (isArray(tasks)) { + size = tasks.length; + while (++index < size) { + tasks[index](callback); + } + } else if (tasks && typeof tasks === obj) { + keys = nativeKeys(tasks); + size = keys.length; + while (++index < size) { + tasks[keys[index]](callback); + } + } else { + return callback(new TypeError('First argument to race must be a collection of functions')); + } + if (!size) { + callback(null); + } + } + + /** + * @memberof async + * @namespace memoize + */ + function memoize(fn, hasher) { + hasher = + hasher || + function(hash) { + return hash; + }; + + var memo = {}; + var queues = {}; + var memoized = function() { + var args = createArray(arguments); + var callback = args.pop(); + var key = hasher.apply(null, args); + if (has(memo, key)) { + nextTick(function() { + callback.apply(null, memo[key]); + }); + return; + } + if (has(queues, key)) { + return queues[key].push(callback); + } + + queues[key] = [callback]; + args.push(done); + fn.apply(null, args); + + function done(err) { + var args = createArray(arguments); + if (!err) { + memo[key] = args; + } + var q = queues[key]; + delete queues[key]; + + var i = -1; + var size = q.length; + while (++i < size) { + q[i].apply(null, args); + } + } + }; + memoized.memo = memo; + memoized.unmemoized = fn; + return memoized; + } + + /** + * @memberof async + * @namespace unmemoize + */ + function unmemoize(fn) { + return function() { + return (fn.unmemoized || fn).apply(null, arguments); + }; + } + + /** + * @memberof async + * @namespace ensureAsync + */ + function ensureAsync(fn) { + return function(/* ...args, callback */) { + var args = createArray(arguments); + var lastIndex = args.length - 1; + var callback = args[lastIndex]; + var sync = true; + args[lastIndex] = done; + fn.apply(this, args); + sync = false; + + function done() { + var innerArgs = createArray(arguments); + if (sync) { + nextTick(function() { + callback.apply(null, innerArgs); + }); + } else { + callback.apply(null, innerArgs); + } + } + }; + } + + /** + * @memberof async + * @namespace constant + */ + function constant(/* values... */) { + var args = [null].concat(createArray(arguments)); + return function(callback) { + callback = arguments[arguments.length - 1]; + callback.apply(this, args); + }; + } + + function asyncify(fn) { + return function(/* args..., callback */) { + var args = createArray(arguments); + var callback = args.pop(); + var result; + try { + result = fn.apply(this, args); + } catch (e) { + return callback(e); + } + if (result && typeof result.then === func) { + result.then( + function(value) { + invokeCallback(callback, null, value); + }, + function(err) { + invokeCallback(callback, err && err.message ? err : new Error(err)); + } + ); + } else { + callback(null, result); + } + }; + } + + function invokeCallback(callback, err, value) { + try { + callback(err, value); + } catch (e) { + nextTick(rethrow, e); + } + } + + function rethrow(error) { + throw error; + } + + /** + * @memberof async + * @namespace reflect + * @param {Function} func + * @return {Function} + */ + function reflect(func) { + return function(/* args..., callback */) { + var callback; + switch (arguments.length) { + case 1: + callback = arguments[0]; + return func(done); + case 2: + callback = arguments[1]; + return func(arguments[0], done); + default: + var args = createArray(arguments); + var lastIndex = args.length - 1; + callback = args[lastIndex]; + args[lastIndex] = done; + func.apply(this, args); + } + + function done(err, res) { + if (err) { + return callback(null, { + error: err + }); + } + if (arguments.length > 2) { + res = slice(arguments, 1); + } + callback(null, { + value: res + }); + } + }; + } + + /** + * @memberof async + * @namespace reflectAll + * @param {Array[]|Object} tasks + * @return {Function} + */ + function reflectAll(tasks) { + var newTasks, keys; + if (isArray(tasks)) { + newTasks = Array(tasks.length); + arrayEachSync(tasks, iterate); + } else if (tasks && typeof tasks === obj) { + keys = nativeKeys(tasks); + newTasks = {}; + baseEachSync(tasks, iterate, keys); + } + return newTasks; + + function iterate(func, key) { + newTasks[key] = reflect(func); + } + } + + /** + * @memberof async + * @namespace createLogger + */ + function createLogger(name) { + return function(fn) { + var args = slice(arguments, 1); + args.push(done); + fn.apply(null, args); + }; + + function done(err) { + if (typeof console === obj) { + if (err) { + if (console.error) { + console.error(err); + } + return; + } + if (console[name]) { + var args = slice(arguments, 1); + arrayEachSync(args, function(arg) { + console[name](arg); + }); + } + } + } + } + + /** + * @memberof async + * @namespace safe + */ + function safe() { + createImmediate(); + return exports; + } + + /** + * @memberof async + * @namespace fast + */ + function fast() { + createImmediate(false); + return exports; + } +}); diff --git a/node_modules/neo-async/async.min.js b/node_modules/neo-async/async.min.js new file mode 100644 index 0000000..4161a3f --- /dev/null +++ b/node_modules/neo-async/async.min.js @@ -0,0 +1,80 @@ +(function(N,O){"object"===typeof exports&&"undefined"!==typeof module?O(exports):"function"===typeof 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a/node_modules/neo-async/autoInject.js b/node_modules/neo-async/autoInject.js new file mode 100644 index 0000000..4f14175 --- /dev/null +++ b/node_modules/neo-async/autoInject.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').autoInject; diff --git a/node_modules/neo-async/cargo.js b/node_modules/neo-async/cargo.js new file mode 100644 index 0000000..c33fb7d --- /dev/null +++ b/node_modules/neo-async/cargo.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').cargo; diff --git a/node_modules/neo-async/compose.js b/node_modules/neo-async/compose.js new file mode 100644 index 0000000..2ae833e --- /dev/null +++ b/node_modules/neo-async/compose.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').compose; diff --git a/node_modules/neo-async/concat.js b/node_modules/neo-async/concat.js new file mode 100644 index 0000000..7eac75e --- /dev/null +++ b/node_modules/neo-async/concat.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').concat; diff --git a/node_modules/neo-async/concatLimit.js b/node_modules/neo-async/concatLimit.js new file mode 100644 index 0000000..f25643d --- /dev/null +++ b/node_modules/neo-async/concatLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').concatLimit; diff --git a/node_modules/neo-async/concatSeries.js b/node_modules/neo-async/concatSeries.js new file mode 100644 index 0000000..9726231 --- /dev/null +++ b/node_modules/neo-async/concatSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').concatSeries; diff --git a/node_modules/neo-async/constant.js b/node_modules/neo-async/constant.js new file mode 100644 index 0000000..a04f6b2 --- /dev/null +++ b/node_modules/neo-async/constant.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').constant; diff --git a/node_modules/neo-async/createLogger.js b/node_modules/neo-async/createLogger.js new file mode 100644 index 0000000..941147b --- /dev/null +++ b/node_modules/neo-async/createLogger.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').createLogger; diff --git a/node_modules/neo-async/detect.js b/node_modules/neo-async/detect.js new file mode 100644 index 0000000..5770dc9 --- /dev/null +++ b/node_modules/neo-async/detect.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').detect; diff --git a/node_modules/neo-async/detectLimit.js b/node_modules/neo-async/detectLimit.js new file mode 100644 index 0000000..cd8ffbd --- /dev/null +++ b/node_modules/neo-async/detectLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').detectLimit; diff --git a/node_modules/neo-async/detectSeries.js b/node_modules/neo-async/detectSeries.js new file mode 100644 index 0000000..2a62e25 --- /dev/null +++ b/node_modules/neo-async/detectSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').detectSeries; diff --git a/node_modules/neo-async/dir.js b/node_modules/neo-async/dir.js new file mode 100644 index 0000000..12072c6 --- /dev/null +++ b/node_modules/neo-async/dir.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').dir; diff --git a/node_modules/neo-async/doDuring.js b/node_modules/neo-async/doDuring.js new file mode 100644 index 0000000..df21901 --- /dev/null +++ b/node_modules/neo-async/doDuring.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').doDuring; diff --git a/node_modules/neo-async/doUntil.js b/node_modules/neo-async/doUntil.js new file mode 100644 index 0000000..a00a889 --- /dev/null +++ b/node_modules/neo-async/doUntil.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').doUntil; diff --git a/node_modules/neo-async/doWhilst.js b/node_modules/neo-async/doWhilst.js new file mode 100644 index 0000000..c03dc16 --- /dev/null +++ b/node_modules/neo-async/doWhilst.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').doWhilst; diff --git a/node_modules/neo-async/during.js b/node_modules/neo-async/during.js new file mode 100644 index 0000000..3943393 --- /dev/null +++ b/node_modules/neo-async/during.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').during; diff --git a/node_modules/neo-async/each.js b/node_modules/neo-async/each.js new file mode 100644 index 0000000..88ff483 --- /dev/null +++ b/node_modules/neo-async/each.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').each; diff --git a/node_modules/neo-async/eachLimit.js b/node_modules/neo-async/eachLimit.js new file mode 100644 index 0000000..fdbd1b8 --- /dev/null +++ b/node_modules/neo-async/eachLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').eachLimit; diff --git a/node_modules/neo-async/eachOf.js b/node_modules/neo-async/eachOf.js new file mode 100644 index 0000000..bc697a2 --- /dev/null +++ b/node_modules/neo-async/eachOf.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').eachOf; diff --git a/node_modules/neo-async/eachOfLimit.js b/node_modules/neo-async/eachOfLimit.js new file mode 100644 index 0000000..f00ea95 --- /dev/null +++ b/node_modules/neo-async/eachOfLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').eachOfLimit; diff --git a/node_modules/neo-async/eachOfSeries.js b/node_modules/neo-async/eachOfSeries.js new file mode 100644 index 0000000..3d70173 --- /dev/null +++ b/node_modules/neo-async/eachOfSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').eachOfSeries; diff --git a/node_modules/neo-async/eachSeries.js b/node_modules/neo-async/eachSeries.js new file mode 100644 index 0000000..88bdf86 --- /dev/null +++ b/node_modules/neo-async/eachSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').eachSeries; diff --git a/node_modules/neo-async/ensureAsync.js b/node_modules/neo-async/ensureAsync.js new file mode 100644 index 0000000..65f42e1 --- /dev/null +++ b/node_modules/neo-async/ensureAsync.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').ensureAsync; diff --git a/node_modules/neo-async/every.js b/node_modules/neo-async/every.js new file mode 100644 index 0000000..b3f817b --- /dev/null +++ b/node_modules/neo-async/every.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').every; diff --git a/node_modules/neo-async/everyLimit.js b/node_modules/neo-async/everyLimit.js new file mode 100644 index 0000000..49fd9e7 --- /dev/null +++ b/node_modules/neo-async/everyLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').everyLimit; diff --git a/node_modules/neo-async/everySeries.js b/node_modules/neo-async/everySeries.js new file mode 100644 index 0000000..5b36508 --- /dev/null +++ b/node_modules/neo-async/everySeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').everySeries; diff --git a/node_modules/neo-async/fast.js b/node_modules/neo-async/fast.js new file mode 100644 index 0000000..25c6be8 --- /dev/null +++ b/node_modules/neo-async/fast.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').fast; diff --git a/node_modules/neo-async/filter.js b/node_modules/neo-async/filter.js new file mode 100644 index 0000000..59cc323 --- /dev/null +++ b/node_modules/neo-async/filter.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').filter; diff --git a/node_modules/neo-async/filterLimit.js b/node_modules/neo-async/filterLimit.js new file mode 100644 index 0000000..9c058ab --- /dev/null +++ b/node_modules/neo-async/filterLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').filterLimit; diff --git a/node_modules/neo-async/filterSeries.js b/node_modules/neo-async/filterSeries.js new file mode 100644 index 0000000..a73fa57 --- /dev/null +++ b/node_modules/neo-async/filterSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').filterSeries; diff --git a/node_modules/neo-async/find.js b/node_modules/neo-async/find.js new file mode 100644 index 0000000..2693d25 --- /dev/null +++ b/node_modules/neo-async/find.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').find; diff --git a/node_modules/neo-async/findLimit.js b/node_modules/neo-async/findLimit.js new file mode 100644 index 0000000..ba3567d --- /dev/null +++ b/node_modules/neo-async/findLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').findLimit; diff --git a/node_modules/neo-async/findSeries.js b/node_modules/neo-async/findSeries.js new file mode 100644 index 0000000..44dcca5 --- /dev/null +++ b/node_modules/neo-async/findSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').findSeries; diff --git a/node_modules/neo-async/foldl.js b/node_modules/neo-async/foldl.js new file mode 100644 index 0000000..f43b0ca --- /dev/null +++ b/node_modules/neo-async/foldl.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').foldl; diff --git a/node_modules/neo-async/foldr.js b/node_modules/neo-async/foldr.js new file mode 100644 index 0000000..0c8bf31 --- /dev/null +++ b/node_modules/neo-async/foldr.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').foldr; diff --git a/node_modules/neo-async/forEach.js b/node_modules/neo-async/forEach.js new file mode 100644 index 0000000..0a363c3 --- /dev/null +++ b/node_modules/neo-async/forEach.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').forEach; diff --git a/node_modules/neo-async/forEachLimit.js b/node_modules/neo-async/forEachLimit.js new file mode 100644 index 0000000..e382983 --- /dev/null +++ b/node_modules/neo-async/forEachLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').forEachLimit; diff --git a/node_modules/neo-async/forEachOf.js b/node_modules/neo-async/forEachOf.js new file mode 100644 index 0000000..97de0eb --- /dev/null +++ b/node_modules/neo-async/forEachOf.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').forEachOf; diff --git a/node_modules/neo-async/forEachOfLimit.js b/node_modules/neo-async/forEachOfLimit.js new file mode 100644 index 0000000..0667645 --- /dev/null +++ b/node_modules/neo-async/forEachOfLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').forEachOfLimit; diff --git a/node_modules/neo-async/forEachOfSeries.js b/node_modules/neo-async/forEachOfSeries.js new file mode 100644 index 0000000..ef6a8a5 --- /dev/null +++ b/node_modules/neo-async/forEachOfSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').forEachOfSeries; diff --git a/node_modules/neo-async/forEachSeries.js b/node_modules/neo-async/forEachSeries.js new file mode 100644 index 0000000..45b5e8a --- /dev/null +++ b/node_modules/neo-async/forEachSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').forEachSeries; diff --git a/node_modules/neo-async/forever.js b/node_modules/neo-async/forever.js new file mode 100644 index 0000000..37e8cae --- /dev/null +++ b/node_modules/neo-async/forever.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').forever; diff --git a/node_modules/neo-async/groupBy.js b/node_modules/neo-async/groupBy.js new file mode 100644 index 0000000..04d92c3 --- /dev/null +++ b/node_modules/neo-async/groupBy.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').groupBy; diff --git a/node_modules/neo-async/groupByLimit.js b/node_modules/neo-async/groupByLimit.js new file mode 100644 index 0000000..eee7bc9 --- /dev/null +++ b/node_modules/neo-async/groupByLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').groupByLimit; diff --git a/node_modules/neo-async/groupBySeries.js b/node_modules/neo-async/groupBySeries.js new file mode 100644 index 0000000..153e47c --- /dev/null +++ b/node_modules/neo-async/groupBySeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').groupBySeries; diff --git a/node_modules/neo-async/inject.js b/node_modules/neo-async/inject.js new file mode 100644 index 0000000..5a2c7b5 --- /dev/null +++ b/node_modules/neo-async/inject.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').inject; diff --git a/node_modules/neo-async/iterator.js b/node_modules/neo-async/iterator.js new file mode 100644 index 0000000..dffc612 --- /dev/null +++ b/node_modules/neo-async/iterator.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').iterator; diff --git a/node_modules/neo-async/log.js b/node_modules/neo-async/log.js new file mode 100644 index 0000000..044afbe --- /dev/null +++ b/node_modules/neo-async/log.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').log; diff --git a/node_modules/neo-async/map.js b/node_modules/neo-async/map.js new file mode 100644 index 0000000..726f81a --- /dev/null +++ b/node_modules/neo-async/map.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').map; diff --git a/node_modules/neo-async/mapLimit.js b/node_modules/neo-async/mapLimit.js new file mode 100644 index 0000000..7567782 --- /dev/null +++ b/node_modules/neo-async/mapLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').mapLimit; diff --git a/node_modules/neo-async/mapSeries.js b/node_modules/neo-async/mapSeries.js new file mode 100644 index 0000000..ee0e989 --- /dev/null +++ b/node_modules/neo-async/mapSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').mapSeries; diff --git a/node_modules/neo-async/mapValues.js b/node_modules/neo-async/mapValues.js new file mode 100644 index 0000000..31a68bc --- /dev/null +++ b/node_modules/neo-async/mapValues.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').mapValues; diff --git a/node_modules/neo-async/mapValuesLimit.js b/node_modules/neo-async/mapValuesLimit.js new file mode 100644 index 0000000..768cf1b --- /dev/null +++ b/node_modules/neo-async/mapValuesLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').mapValuesLimit; diff --git a/node_modules/neo-async/mapValuesSeries.js b/node_modules/neo-async/mapValuesSeries.js new file mode 100644 index 0000000..172ea37 --- /dev/null +++ b/node_modules/neo-async/mapValuesSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').mapValuesSeries; diff --git a/node_modules/neo-async/memoize.js b/node_modules/neo-async/memoize.js new file mode 100644 index 0000000..96086fe --- /dev/null +++ b/node_modules/neo-async/memoize.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').memoize; diff --git a/node_modules/neo-async/nextTick.js b/node_modules/neo-async/nextTick.js new file mode 100644 index 0000000..175f316 --- /dev/null +++ b/node_modules/neo-async/nextTick.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').nextTick; diff --git a/node_modules/neo-async/omit.js b/node_modules/neo-async/omit.js new file mode 100644 index 0000000..e2fd84f --- /dev/null +++ b/node_modules/neo-async/omit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').omit; diff --git a/node_modules/neo-async/omitLimit.js b/node_modules/neo-async/omitLimit.js new file mode 100644 index 0000000..2acf759 --- /dev/null +++ b/node_modules/neo-async/omitLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').omitLimit; diff --git a/node_modules/neo-async/omitSeries.js b/node_modules/neo-async/omitSeries.js new file mode 100644 index 0000000..83de625 --- /dev/null +++ b/node_modules/neo-async/omitSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').omitSeries; diff --git a/node_modules/neo-async/package.json b/node_modules/neo-async/package.json new file mode 100644 index 0000000..ded1079 --- /dev/null +++ b/node_modules/neo-async/package.json @@ -0,0 +1,87 @@ +{ + "_from": "neo-async@^2.5.0", + "_id": "neo-async@2.6.2", + "_inBundle": false, + "_integrity": "sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==", + "_location": "/neo-async", + "_phantomChildren": {}, + "_requested": { + "type": "range", + "registry": true, + "raw": "neo-async@^2.5.0", + "name": "neo-async", + "escapedName": "neo-async", + "rawSpec": "^2.5.0", + "saveSpec": null, + "fetchSpec": "^2.5.0" + }, + "_requiredBy": [ + "/sass-loader", + "/watchpack", + "/webpack" + ], + "_resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.2.tgz", + "_shasum": "b4aafb93e3aeb2d8174ca53cf163ab7d7308305f", + "_spec": "neo-async@^2.5.0", + "_where": "/home/pruss/Dev/3-minute-website/node_modules/sass-loader", + "browser": "async.min.js", + "bugs": { + "url": "https://github.com/suguru03/neo-async/issues" + }, + "bundleDependencies": false, + "dependencies": {}, + "deprecated": false, + "description": "Neo-Async is a drop-in replacement for Async, it almost fully covers its functionality and runs faster ", + "devDependencies": { + "aigle": "^1.14.0", + "async": "^2.6.0", + "benchmark": "^2.1.1", + "bluebird": "^3.5.1", + "codecov.io": "^0.1.6", + "fs-extra": "^4.0.2", + "func-comparator": "^0.7.2", + "gulp": "^4.0.2", + "gulp-bump": "^2.8.0", + "gulp-exit": "0.0.2", + "gulp-git": "^2.4.2", + "gulp-jscs": "^4.0.0", + "gulp-mocha": "^4.2.0", + "gulp-tag-version": "^1.3.0", + "gulp-util": "^3.0.7", + "husky": "^1.2.0", + "istanbul": "^0.4.3", + "jsdoc": "^3.5.5", + "jshint": "^2.9.5", + "lint-staged": "^8.1.0", + "lodash": "^4.16.6", + "minimist": "^1.2.0", + "mocha": "^3.5.3", + "mocha-parallel-executor": "^0.3.0", + "mocha.parallel": "^0.15.3", + "prettier": "^1.15.2", + "require-dir": "^0.3.0" + }, + "homepage": "https://github.com/suguru03/neo-async", + "keywords": [ + "async", + "util" + ], + "license": "MIT", + "lint-staged": { + "*.{js,ts}": [ + "prettier --write", + "git add" + ] + }, + "main": "async.js", + "name": "neo-async", + "prettier": { + "printWidth": 100, + "singleQuote": true + }, + "repository": { + "type": "git", + "url": "git+ssh://git@github.com/suguru03/neo-async.git" + }, + "version": "2.6.2" +} diff --git a/node_modules/neo-async/parallel.js b/node_modules/neo-async/parallel.js new file mode 100644 index 0000000..c09021f --- /dev/null +++ b/node_modules/neo-async/parallel.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').parallel; diff --git a/node_modules/neo-async/parallelLimit.js b/node_modules/neo-async/parallelLimit.js new file mode 100644 index 0000000..29d0c9e --- /dev/null +++ b/node_modules/neo-async/parallelLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').parallelLimit; diff --git a/node_modules/neo-async/pick.js b/node_modules/neo-async/pick.js new file mode 100644 index 0000000..a74789a --- /dev/null +++ b/node_modules/neo-async/pick.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').pick; diff --git a/node_modules/neo-async/pickLimit.js b/node_modules/neo-async/pickLimit.js new file mode 100644 index 0000000..3de9261 --- /dev/null +++ b/node_modules/neo-async/pickLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').pickLimit; diff --git a/node_modules/neo-async/pickSeries.js b/node_modules/neo-async/pickSeries.js new file mode 100644 index 0000000..eef0ae4 --- /dev/null +++ b/node_modules/neo-async/pickSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').pickSeries; diff --git a/node_modules/neo-async/priorityQueue.js b/node_modules/neo-async/priorityQueue.js new file mode 100644 index 0000000..55f9737 --- /dev/null +++ b/node_modules/neo-async/priorityQueue.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').priorityQueue; diff --git a/node_modules/neo-async/queue.js b/node_modules/neo-async/queue.js new file mode 100644 index 0000000..eb9e37b --- /dev/null +++ b/node_modules/neo-async/queue.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').queue; diff --git a/node_modules/neo-async/race.js b/node_modules/neo-async/race.js new file mode 100644 index 0000000..cab40db --- /dev/null +++ b/node_modules/neo-async/race.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').race; diff --git a/node_modules/neo-async/reduce.js b/node_modules/neo-async/reduce.js new file mode 100644 index 0000000..6f0c5c8 --- /dev/null +++ b/node_modules/neo-async/reduce.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').reduce; diff --git a/node_modules/neo-async/reduceRight.js b/node_modules/neo-async/reduceRight.js new file mode 100644 index 0000000..3f14a47 --- /dev/null +++ b/node_modules/neo-async/reduceRight.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').reduceRight; diff --git a/node_modules/neo-async/reflect.js b/node_modules/neo-async/reflect.js new file mode 100644 index 0000000..233cae7 --- /dev/null +++ b/node_modules/neo-async/reflect.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').reflect; diff --git a/node_modules/neo-async/reflectAll.js b/node_modules/neo-async/reflectAll.js new file mode 100644 index 0000000..901e28c --- /dev/null +++ b/node_modules/neo-async/reflectAll.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').reflectAll; diff --git a/node_modules/neo-async/reject.js b/node_modules/neo-async/reject.js new file mode 100644 index 0000000..a62c541 --- /dev/null +++ b/node_modules/neo-async/reject.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').reject; diff --git a/node_modules/neo-async/rejectLimit.js b/node_modules/neo-async/rejectLimit.js new file mode 100644 index 0000000..f7b0efd --- /dev/null +++ b/node_modules/neo-async/rejectLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').rejectLimit; diff --git a/node_modules/neo-async/rejectSeries.js b/node_modules/neo-async/rejectSeries.js new file mode 100644 index 0000000..da4adc1 --- /dev/null +++ b/node_modules/neo-async/rejectSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').rejectSeries; diff --git a/node_modules/neo-async/retry.js b/node_modules/neo-async/retry.js new file mode 100644 index 0000000..07ada27 --- /dev/null +++ b/node_modules/neo-async/retry.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').retry; diff --git a/node_modules/neo-async/retryable.js b/node_modules/neo-async/retryable.js new file mode 100644 index 0000000..cd89807 --- /dev/null +++ b/node_modules/neo-async/retryable.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').retryable; diff --git a/node_modules/neo-async/safe.js b/node_modules/neo-async/safe.js new file mode 100644 index 0000000..6e4c698 --- /dev/null +++ b/node_modules/neo-async/safe.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').safe; diff --git a/node_modules/neo-async/select.js b/node_modules/neo-async/select.js new file mode 100644 index 0000000..e4fd51c --- /dev/null +++ b/node_modules/neo-async/select.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').select; diff --git a/node_modules/neo-async/selectLimit.js b/node_modules/neo-async/selectLimit.js new file mode 100644 index 0000000..2f37e66 --- /dev/null +++ b/node_modules/neo-async/selectLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').selectLimit; diff --git a/node_modules/neo-async/selectSeries.js b/node_modules/neo-async/selectSeries.js new file mode 100644 index 0000000..a4de29d --- /dev/null +++ b/node_modules/neo-async/selectSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').selectSeries; diff --git a/node_modules/neo-async/seq.js b/node_modules/neo-async/seq.js new file mode 100644 index 0000000..7eacd7e --- /dev/null +++ b/node_modules/neo-async/seq.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').seq; diff --git a/node_modules/neo-async/series.js b/node_modules/neo-async/series.js new file mode 100644 index 0000000..096d2d0 --- /dev/null +++ b/node_modules/neo-async/series.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').series; diff --git a/node_modules/neo-async/setImmediate.js b/node_modules/neo-async/setImmediate.js new file mode 100644 index 0000000..9b93ca7 --- /dev/null +++ b/node_modules/neo-async/setImmediate.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').setImmediate; diff --git a/node_modules/neo-async/some.js b/node_modules/neo-async/some.js new file mode 100644 index 0000000..bcf6e9c --- /dev/null +++ b/node_modules/neo-async/some.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').some; diff --git a/node_modules/neo-async/someLimit.js b/node_modules/neo-async/someLimit.js new file mode 100644 index 0000000..a970b2a --- /dev/null +++ b/node_modules/neo-async/someLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').someLimit; diff --git a/node_modules/neo-async/someSeries.js b/node_modules/neo-async/someSeries.js new file mode 100644 index 0000000..4965c52 --- /dev/null +++ b/node_modules/neo-async/someSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').someSeries; diff --git a/node_modules/neo-async/sortBy.js b/node_modules/neo-async/sortBy.js new file mode 100644 index 0000000..7456216 --- /dev/null +++ b/node_modules/neo-async/sortBy.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').sortBy; diff --git a/node_modules/neo-async/sortByLimit.js b/node_modules/neo-async/sortByLimit.js new file mode 100644 index 0000000..9601686 --- /dev/null +++ b/node_modules/neo-async/sortByLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').sortByLimit; diff --git a/node_modules/neo-async/sortBySeries.js b/node_modules/neo-async/sortBySeries.js new file mode 100644 index 0000000..7d7e069 --- /dev/null +++ b/node_modules/neo-async/sortBySeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').sortBySeries; diff --git a/node_modules/neo-async/timeout.js b/node_modules/neo-async/timeout.js new file mode 100644 index 0000000..8fe4ad4 --- /dev/null +++ b/node_modules/neo-async/timeout.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').timeout; diff --git a/node_modules/neo-async/times.js b/node_modules/neo-async/times.js new file mode 100644 index 0000000..c9d3744 --- /dev/null +++ b/node_modules/neo-async/times.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').times; diff --git a/node_modules/neo-async/timesLimit.js b/node_modules/neo-async/timesLimit.js new file mode 100644 index 0000000..f22718a --- /dev/null +++ b/node_modules/neo-async/timesLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').timesLimit; diff --git a/node_modules/neo-async/timesSeries.js b/node_modules/neo-async/timesSeries.js new file mode 100644 index 0000000..63c055d --- /dev/null +++ b/node_modules/neo-async/timesSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').timesSeries; diff --git a/node_modules/neo-async/transform.js b/node_modules/neo-async/transform.js new file mode 100644 index 0000000..83787e3 --- /dev/null +++ b/node_modules/neo-async/transform.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').transform; diff --git a/node_modules/neo-async/transformLimit.js b/node_modules/neo-async/transformLimit.js new file mode 100644 index 0000000..79eac86 --- /dev/null +++ b/node_modules/neo-async/transformLimit.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').transformLimit; diff --git a/node_modules/neo-async/transformSeries.js b/node_modules/neo-async/transformSeries.js new file mode 100644 index 0000000..5979c8f --- /dev/null +++ b/node_modules/neo-async/transformSeries.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').transformSeries; diff --git a/node_modules/neo-async/tryEach.js b/node_modules/neo-async/tryEach.js new file mode 100644 index 0000000..138a84a --- /dev/null +++ b/node_modules/neo-async/tryEach.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').tryEach; diff --git a/node_modules/neo-async/unmemoize.js b/node_modules/neo-async/unmemoize.js new file mode 100644 index 0000000..18830f4 --- /dev/null +++ b/node_modules/neo-async/unmemoize.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').unmemoize; diff --git a/node_modules/neo-async/until.js b/node_modules/neo-async/until.js new file mode 100644 index 0000000..826b48a --- /dev/null +++ b/node_modules/neo-async/until.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').until; diff --git a/node_modules/neo-async/waterfall.js b/node_modules/neo-async/waterfall.js new file mode 100644 index 0000000..e3fa20a --- /dev/null +++ b/node_modules/neo-async/waterfall.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').waterfall; diff --git a/node_modules/neo-async/whilst.js b/node_modules/neo-async/whilst.js new file mode 100644 index 0000000..0d72ea6 --- /dev/null +++ b/node_modules/neo-async/whilst.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').whilst; diff --git a/node_modules/neo-async/wrapSync.js b/node_modules/neo-async/wrapSync.js new file mode 100644 index 0000000..965037b --- /dev/null +++ b/node_modules/neo-async/wrapSync.js @@ -0,0 +1,3 @@ +'use strict'; + +module.exports = require('./async').wrapSync; |