From 81ddf9b700bc48a1f8e472209f080f9c1d9a9b09 Mon Sep 17 00:00:00 2001 From: Piotr Russ Date: Wed, 18 Nov 2020 23:26:45 +0100 Subject: rm node_modules --- node_modules/neo-async/LICENSE | 22 - node_modules/neo-async/README.md | 273 - node_modules/neo-async/all.js | 3 - node_modules/neo-async/allLimit.js | 3 - node_modules/neo-async/allSeries.js | 3 - node_modules/neo-async/angelFall.js | 3 - node_modules/neo-async/any.js | 3 - node_modules/neo-async/anyLimit.js | 3 - node_modules/neo-async/anySeries.js | 3 - node_modules/neo-async/apply.js | 3 - node_modules/neo-async/applyEach.js | 3 - node_modules/neo-async/applyEachSeries.js | 3 - node_modules/neo-async/async.js | 9184 ----------------------------- node_modules/neo-async/async.min.js | 80 - node_modules/neo-async/asyncify.js | 3 - node_modules/neo-async/auto.js | 3 - node_modules/neo-async/autoInject.js | 3 - node_modules/neo-async/cargo.js | 3 - node_modules/neo-async/compose.js | 3 - node_modules/neo-async/concat.js | 3 - 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-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 deleted file mode 100644 index d49e93c..0000000 --- a/node_modules/neo-async/README.md +++ /dev/null @@ -1,273 +0,0 @@ -

Neo-Async

- -

- -

- -

- npm - Travis Status - Coverage Status - download - Code Quality: Javascript - Total Alerts - FOSSA -

- -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 -![coverage](https://raw.githubusercontent.com/wiki/suguru03/neo-async/images/coverage.png) - -## Installation - -### In a browser -```html - -``` - -### 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 -[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fsuguru03%2Fneo-async.svg?type=large)](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 deleted file mode 100644 index dad54e7..0000000 --- a/node_modules/neo-async/all.js +++ /dev/null @@ -1,3 +0,0 @@ -'use strict'; - -module.exports = require('./async').all; diff --git a/node_modules/neo-async/allLimit.js b/node_modules/neo-async/allLimit.js deleted file mode 100644 index d9d7aaa..0000000 --- a/node_modules/neo-async/allLimit.js +++ /dev/null @@ -1,3 +0,0 @@ -'use strict'; - -module.exports = require('./async').allLimit; diff --git a/node_modules/neo-async/allSeries.js b/node_modules/neo-async/allSeries.js deleted file mode 100644 index 2a7a8ba..0000000 --- a/node_modules/neo-async/allSeries.js +++ /dev/null @@ -1,3 +0,0 @@ -'use strict'; - -module.exports = require('./async').allSeries; diff --git a/node_modules/neo-async/angelFall.js b/node_modules/neo-async/angelFall.js deleted file mode 100644 index 476c23e..0000000 --- a/node_modules/neo-async/angelFall.js +++ /dev/null @@ -1,3 +0,0 @@ -'use strict'; - -module.exports = require('./async').angelfall; diff --git a/node_modules/neo-async/any.js b/node_modules/neo-async/any.js deleted file mode 100644 index d6b07bb..0000000 --- a/node_modules/neo-async/any.js +++ /dev/null @@ -1,3 +0,0 @@ -'use strict'; - -module.exports = require('./async').any; diff --git a/node_modules/neo-async/anyLimit.js b/node_modules/neo-async/anyLimit.js deleted file mode 100644 index 34114f8..0000000 --- a/node_modules/neo-async/anyLimit.js +++ /dev/null @@ -1,3 +0,0 @@ -'use strict'; - -module.exports = require('./async').anyLimit; diff --git a/node_modules/neo-async/anySeries.js b/node_modules/neo-async/anySeries.js deleted file mode 100644 index bb3781f..0000000 --- a/node_modules/neo-async/anySeries.js +++ /dev/null @@ -1,3 +0,0 @@ -'use strict'; - -module.exports = require('./async').anySeries; diff --git a/node_modules/neo-async/apply.js b/node_modules/neo-async/apply.js deleted file mode 100644 index 41135e2..0000000 --- a/node_modules/neo-async/apply.js +++ /dev/null @@ -1,3 +0,0 @@ -'use strict'; - -module.exports = require('./async').apply; diff --git a/node_modules/neo-async/applyEach.js b/node_modules/neo-async/applyEach.js deleted file mode 100644 index 292bd1c..0000000 --- a/node_modules/neo-async/applyEach.js +++ /dev/null @@ -1,3 +0,0 @@ -'use strict'; - -module.exports = require('./async').applyEach; diff --git a/node_modules/neo-async/applyEachSeries.js b/node_modules/neo-async/applyEachSeries.js deleted file mode 100644 index 0aece7c..0000000 --- a/node_modules/neo-async/applyEachSeries.js +++ /dev/null @@ -1,3 +0,0 @@ -'use strict'; - -module.exports = require('./async').applyEachSeries; diff --git a/node_modules/neo-async/async.js b/node_modules/neo-async/async.js deleted file mode 100644 index e78eb16..0000000 --- a/node_modules/neo-async/async.js +++ /dev/null @@ -1,9184 +0,0 @@ -(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++; 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