# propagate [][npmjs] [][build] [][coverage] [npmjs]: https://www.npmjs.com/package/propagate [build]: https://travis-ci.org/nock/propagate [coverage]: https://coveralls.io/github/nock/propagate Propagate events from one event emitter into another. ## Install ```bash $ npm install propagate ``` ## Propagate ```javascript var ee1 = new EventEmitter() var ee2 = new EventEmitter() propagate(ee1, ee2) ee2.on('event', function(a, b) { console.log('got propagated event', a, b) }) ee1.emit('event', 'a', 'b') ``` ## Unpropagate You can unpropagate by ending the propagation like this: ```javascript var ee1 = new EventEmitter() var ee2 = new EventEmitter() var p = propagate(ee1, ee2) // ... p.end() ``` ## Only propagate certain events: ```javascript var ee1 = new EventEmitter() var ee2 = new EventEmitter() var p = propagate(['event1', 'event2'], ee1, ee2) ``` ## Propagate certain events as other events: ```javascript var ee1 = new EventEmitter() var ee2 = new EventEmitter() var p = propagate( { event1: 'other-event1', event2: 'other-event2', }, ee1, ee2 ) ``` # License MIT