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async-objects

v1.0.0

Published

Async control for objects

Downloads

34

Readme

async-objects.js

NPM version npm Travis

This used to be an object-oriented flow control library. While it still is, async does it better.

Now it's just something to use when I want something more lightweight. YMMV

Usage

I find, most of the time, my asynchronous logic emerges from a list and I really just want to be able to control the completion of some job, and have a signal for all jobs. In many instances, this winds up being more versatile than a promise which limits you to a binary state and only groups returns according to it's state.

you can either use the functions as returned:

var objectTool = require('async-objects');
objectTool.forEachEmission(object, iteratorFn, callback);

or you can add them to Object

require('async-objects').on(Object);

forEachEmission : execute serially

Object.forEachEmission(object, function(item, index, done){
    somethingAsynchronous(function(){
        done();
    });
}, function(){
    //we're all done!
});

forAllEmissions : execute all jobs in parallel

Object.forAllEmissions(object, function(item, index, done){
    somethingAsynchronous(function(){
        done();
    });
}, function(){
    //we're all done!
});

forAllEmissionsInPool : execute all jobs in parallel up to a maximum #, then queue for later

Object.forAllEmissionsInPool(object, poolSize, function(item, index, done){
    somethingAsynchronous(function(){
        done();
    });
}, function(){
    //we're all done!
});

a cloner for recursively copying any object/array

var copy = Object.clone(object);

a non-referencing interleaver(it clones as it interleaves)

var combined = Object.interleave(object, anotherObject);

a shallow object merge

var combined = Object.merge(objOne, objTwo);

a map, to process all object values

var mappedObject = Object.map(object, mapFn[, excludeUndefinedValues]);

a filter to reduce the fields in an object

var filteredObject = Object.filter(object, testFn);

That's just about it, and even better you can open up the source and check it out yourself. Super simple.

Testing

just run

mocha

Enjoy,

-Abbey Hawk Sparrow