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asynchronizer

v0.1.7

Published

Promise for collecting data through multiple asynchronous events in JavaScript.

Downloads

2

Readme

Asynchronizer Build Status

A promise that waits for a list of given of conditions to occur. Optionally collects data from the conditions.

This can be used to collect data from a variety of asynchronous data sources, and process them all at once when done.

// Create a new Asynchronizer, which waits for two specified events.
asynchronizer = new Asynchronizer(['event one', 'event two']);

// Tell the Asynchronizer what to do when all of the events have happened.
asynchronizer.then(function(data) {
  // This method will be fired once the events with name
  // 'event one' and 'event two' have occurred.
  console.log("All done! The collected data is: " + data.join(', '));
});

// Do some things here....

// At some point in your code, event one has happened.
// Tell the Asynchronizer about it.
asynchronizer.check('event one', 'data for event one');

// At this point the Asynchronizer still waits for event two,
// so the callback does not get triggered.

// Do more things here....

// At some other point event two has happened.
// Lets give Asynchronizer the good news.
asynchronizer.check('event two', 'data for event two');

// This is the last event that our Asynchronizer instance was waiting for.
// So this will cause the Asynchronizer to call the callback given to it
// in the "then" method, with the collected data.
// In this example, the console would say:
// "All done! The collected data is: data for event one, data for event two"

Development

  • set up development environment: npm install
  • run the tests: npm test or script/watch_tests for continuous testing
  • release a new patch version: tools/release
  • compile the binary: gulp (this is done automatically for you in the release script)