eventory/README.md

Event Hub.

# Event Hub

Event Hub provides event pub/sub.

Features:
   - synchronized callback along all async handlers 
   - support Promises (promit)
   - emission timeout 
   - keys with placeholder
   - key-as-function
   - defered emitting (await for postponed addition of listener)
   
Implementation

   - written in JS6
   - no extra dependencies

API
---

    class EventHub
    
       once(key, handler): ownerId
       
       on(key, handler, ownerId): ownerId
       
       offOwner(ownerId)
       
       off(keyPrefix)
       
       emit(key, {timeoutInSeconds:10, ...params}, [callback])
      
       promit(key, {...params}).then((after)=>{})

Example
-------
  
    var hub = new EventHub();
  
    hub.on('api', (params, cb)=> cb(null, params));
    
    hub.emit('api', params, callback);
    
    hub.off('api');
    
See `test/test.js` for more use cases.

Repo
----

[https://github.com/alitskevich/eventhub]

Legal
-----

The MIT License (MIT)

Copyright (c) 2015 Alex Litskevich