pubsub-stream
v0.0.3
Published
pubsub with eventemitter2 and rpc-stream
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pubsub-stream
pubsub with rpc-stream and EventEmitter2
example
var port = 10000+Math.random()*10000|0
var net = require('net')
var EE2 = require('eventemitter2').EventEmitter2
var ee = new EE2({wildcard:true})
var server = net.createServer(function(s){s.pipe(pubsub(ee)).pipe(s)})
server.listen(port, function(){
var todo = 2
var Aps = pubsub()
var Bps = pubsub()
var Aclient = net.connect(port)
var Bclient = net.connect(port)
Aclient.pipe(Aps).pipe(Aclient)
Bclient.pipe(Bps).pipe(Bclient)
Aps.emitter.on('a.*', function(msg){t.equal(msg, 'hello from B'); done()})
Bps.emitter.on('b.*', function(msg){t.equal(msg, 'hello from A'); done()})
Aps.subscribe('a.*', function(){Bps.publish('a.foo', 'hello from B')})
Bps.subscribe('b.*', function(){Aps.publish('b.foo', 'hello from A')})
function done(){
if (--todo) return
Aclient.end()
Bclient.end()
server.close()
}
})
api
var pubsub = require('pubsub')
var ps = pubsub([eeOrOpts])
ps
is a rpc-stream wrapped with[ 'publish', 'subscribe', 'unsubscribe', 'unsubscribeAll' ]
eeOrOpts
must be either a nodejs-eventemitter-compatible eventemitter or an object that gets passed to the EventEmitter2-constructor
ps.publish(event, data)
publish data
ps.subscribe(event, cb)
subscribe for remote events
ps.unsubscribe(event, cb)
delete all subscriptions for this event
ps.unsubscribeAll(cb)
deletes all subscribtions
ps.emitter
remote events you subscribed to will be emitted and the remote end can subscribe to this events
ps.subscriptions
ps.subscriptions = { 'some:event': [fn, ..], .. }
pubsub.emitterOptions
gets passed to the constructor of ps.emitter
(EventEmitter2) if
no arguments are passed to pubsub()
and is
{ delimiter: '.', wildcard: true, maxListeners: 1e6 }
by default