0.0.8 • Published 11 years ago
rivulet v0.0.8
rivulet
Middleware for journeyman to simplify server sent events
Client Side:
<html>
<head>
<script type='text/javascript' src='/rivulets/event-source.js' />
<script type='text/javascript'>
var eventsource = new EventSource('/rivulets/test');
eventsource.addEventListener('alert', function(message) {
alert("Alert: " + message);
});
eventsource.addEventListener('message', function(message) {
alert("Message: " + message);
});
</script>
</head>
<body>
<h1>Test Page</h1>
</body>
</html>ServerSide:
var Rivulet = require('rivulet');
var Journeyman = require('journeyman');
var EventEmitter = require('events').EventEmitter;
var journeyman = new Journeyman(3000);
var emitter = new EventEmitter();
var options = {
hub: emitter
};
var rivulet = new Rivulet(options);
journeyman.use(function(req, res, next) {
// render html page
});
journeyman.use(rivulet.middleware());
journeyman.listen();To show an alert of "Alert: HELLO WORLD"
emitter.emit('rivulets', 'test', 'HELLO WORLD', 'alert');To show an alert of "Message: HELLO WORLD"
emitter.emit('rivulets', 'test', 'HELLO WORLD');Thanks to Yaffle for the event source polyfill which can be found here