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(Neo-Async is thought to be used as a drop-in replacement for Async, it almost fully covers its functionality and runs faster.
Benchmark is here!
Bluebird's benchmark is here!
Code Coverage
Installation
In a browser
<script src="async.min.js"></script>
In an AMD loader
require(['async'], function(async) {});
Promise and async/await
I recommend to use Aigle.
It is optimized for Promise handling and has almost the same functionality as neo-async.
Node.js
standard
$ npm install neo-async
var async = require('neo-async');
replacement
$ npm install neo-async
$ ln -s ./node_modules/neo-async ./node_modules/async
var async = require('async');
Bower
bower install neo-async
Feature
* not in Async
Collections
eacheachSerieseachLimitforEach->eachforEachSeries->eachSeriesforEachLimit->eachLimiteachOf->eacheachOfSeries->eachSerieseachOfLimit->eachLimitforEachOf->eachforEachOfSeries->eachSerieseachOfLimit->forEachLimitmapmapSeriesmapLimitmapValuesmapValuesSeriesmapValuesLimitfilterfilterSeriesfilterLimitselect->filterselectSeries->filterSeriesselectLimit->filterLimitrejectrejectSeriesrejectLimitdetectdetectSeriesdetectLimitfind->detectfindSeries->detectSeriesfindLimit->detectLimitpick*pickSeries*pickLimit*omit*omitSeries*omitLimit*reduceinject->reducefoldl->reducereduceRightfoldr->reduceRighttransformtransformSeries*transformLimit*sortBysortBySeries*sortByLimit*somesomeSeriessomeLimitany->someanySeries->someSeriesanyLimit->someLimiteveryeverySerieseveryLimitall->everyallSeries->everyallLimit->everyconcatconcatSeriesconcatLimit*
Control Flow
parallelseriesparallelLimittryEachwaterfallangelFall*angelfall->angelFall*whilstdoWhilstuntildoUntilduringdoDuringforevercomposeseqapplyEachapplyEachSeriesqueuepriorityQueuecargoautoautoInjectretryretryableiteratortimestimesSeriestimesLimitrace
Utils
applysetImmediatenextTickmemoizeunmemoizeensureAsyncconstantasyncifywrapSync->asyncifylogdirtimeoutreflectreflectAllcreateLogger
Mode
Benchmark
How to check
$ 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
