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Programming language: JavaScript
License: MIT License
Tags: Control Flow     Callbacks     Async     Callback     Parallel     Done    
Latest version: v2.0.0

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README

after-all-results

If you have multiple async function calls that you want to run in parallel and collect all their results in an array, this is the module for you.

It's like after-all with a build in results aggregator.

build status

Installation

npm install after-all-results

Usage

First require the module:

var afterAll = require('after-all-results');

Then initialize with a callback that should be called once all the async stuff is done:

var next = afterAll(function (err, results) {
  // all done!
  console.log(results);
});

The returned next function is essentially just a smart callback-generator. The after-all-results module will wait and not call the all-done function until all the generated callbacks have been called:

someAsyncFunction(next());
anotherAsyncFunction(next());

Note: It is important that all next() calls are done on the same tick as the inital call to afterAll()!

Bonus: Inception mode

var next = afterAll(function (err, results) {
  // results will be an array of `arg1` from below
  console.log('Done with everything!');
});

async(next(function (err, arg1, arg2) {
  console.log('Done with first call to async');
});

async(next(function (err, arg1, arg2) {
  console.log('Done with second call to async');
});

License

MIT


*Note that all licence references and agreements mentioned in the after-all-results README section above are relevant to that project's source code only.