tehshrike / async-all

Like async-each, or q.all(), but with an object instead of an array

Run a bunch of asynchronous functions and get all the values at once at the end!

var all = require('./')

function someAsyncThing(cb) {
	setTimeout(function() {
		cb(null, 'some sweet value')
	}, 50)
}

function someOtherAsyncThing(cb) {
	setTimeout(function() {
		cb(null, 'some other value')
	}, 10)
}

all({
	someValue: someAsyncThing,
	whatever: someOtherAsyncThing
}, function(err, results) {
	results.someValue // => 'some sweet value'
	results.whatever // => 'some other value'
})

all({
	tmp: fs.stat.bind(fs, '/tmp'),
	broken: fs.stat.bind(fs, '/tmp/doesntexist/asfarasIknow')
}, function(err, results) {
	startsWith(err.message, 'ENOENT') // => true
})

Install

npm install async-all

Run the tests

git clone https://github.com/TehShrike/async-all.git
cd async-all
npm test

License

WTFPL

async-all's Issues

Calling async-all with null

I'm not sure how you want this handled, but it's not caught because typeof null === object.

> var all = require('async-all')
undefined
> all(null, console.log)
TypeError: Object.keys called on non-object
    at Function.keys (native)
    at all (C:\Users\Michael\Github\JS_Source\node_modules\async-all\index.js:37:9)
    at repl:1:18
    at REPLServer.defaultEval (repl.js:132:27)
    at bound (domain.js:254:14)
    at REPLServer.runBound [as eval] (domain.js:267:12)
    at REPLServer.<anonymous> (repl.js:279:12)
    at REPLServer.emit (events.js:107:17)
    at REPLServer.Interface._onLine (readline.js:214:10)
    at REPLServer.Interface._line (readline.js:553:8)
>