callback-count

callback-count 
==============

#### Count callbacks before continuing, tiny control flow helper, allows dynamic counting.

$3

``js
var callbackCount = require('callback-count');
var counter = callbackCount(done);

setTimeout(counter.inc().next, 100);
setTimeout(counter.inc().next, 100);

function done (err) {
console.log('finished.');
}
`

$3


`js
var callbackCount = require('callback-count');
var counter = callbackCount(done);

counter.inc().inc().inc();
counter.next().next().next();

function done (err) {
console.log('finished.');
}
`

$3


`js
var callbackCount = require('callback-count');
var counter = callbackCount(3, done);

counter.next().next().next();

function done (err) {
console.log('finished.');
}
`

$3


`js
var counter = createCounter(3, done);

counter.next().next().next();

function done (err) {
console.log(counter.count); // 0
console.log('finished.');
}
`

$3


`js
var counter = createCounter(3, done);

counter.next(new Error('boom'));

function done (err) {
console.log(err.message); // boom
}
``

$3