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neo-async

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neo-async

Neo-Async is a drop-in replacement for Async, it almost fully covers its functionality and runs faster

    2.6.2latest
    GitHub
    npm

Version published
Maintainers
1
Weekly downloads
24,026,647
increased by3.28%

Weekly downloads

Package description

What is neo-async?

The neo-async package is a utility module which provides straight-forward, powerful functions for working with asynchronous JavaScript. It is similar to the async package but with some performance improvements.

What are neo-async's main functionalities?

Control Flow

Execute a series of functions in sequential order. Each function is passed a callback it must call on completion.

async.series([
  function(callback) {
    // do some stuff ...
    callback(null, 'one');
  },
  function(callback) {
    // do some more stuff ...
    callback(null, 'two');
  }
],
function(err, results) {
  // results is now equal to ['one', 'two']
});

Collections

Apply a function to each item in a collection and collect the results.

async.map(['file1','file2','file3'], fs.stat, function(err, results) {
  // results is now an array of stats for each file
});

Utilities

Call a function a certain number of times and collect the results.

async.times(5, function(n, next) {
  createUser(n, function(err, user) {
    next(err, user);
  });
}, function(err, users) {
  // we should now have 5 users
});

Other packages similar to neo-async

Readme

Source

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, it almost fully covers its functionality and runs faster.

Benchmark is here!

Bluebird's benchmark is here!

Code Coverage

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

JSDoc

* not in Async

Collections

Control Flow

Utils

Mode

Benchmark

Benchmark: Async vs Neo-Async

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
functionbenchmark
each/forEach2.43
eachSeries/forEachSeries1.75
eachLimit/forEachLimit1.68
eachOf3.29
eachOfSeries1.50
eachOfLimit1.59
map3.95
mapSeries1.81
mapLimit1.27
mapValues2.73
mapValuesSeries1.59
mapValuesLimit1.23
filter3.00
filterSeries1.74
filterLimit1.17
reject4.59
rejectSeries2.31
rejectLimit1.58
detect4.30
detectSeries1.86
detectLimit1.32
reduce1.82
transform2.46
sortBy4.08
some2.19
someSeries1.83
someLimit1.32
every2.09
everySeries1.84
everyLimit1.35
concat3.79
concatSeries4.45
Control Flow
funcitonbenchmark
parallel2.93
series1.96
waterfall1.29
whilst1.00
doWhilst1.12
until1.12
doUntil1.12
during1.18
doDuring2.42
times4.25
auto1.97

License

FOSSA Status

Keywords

FAQs

Last updated on 09 Jul 2020

Did you know?

Socket installs a GitHub app to automatically flag issues on every pull request and report the health of your dependencies. Find out what is inside your node modules and prevent malicious activity before you update the dependencies.

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