alexbeletsky/ddp-server-event

The implementation of DDP server based on EventEmitter.

DDP Server based on Events

The implementation of DDP server based on EventEmitter.

Usage

$ npm install --save ddp-server-event

var server = http.createServer();
var ddp = new Ddp({server: server});

ddp.on('ready', function () {
    console.log('ddp server ready');
});

ddp.on('sub', function (id, name, params) {
    // handle sub to collection here...
    this.sendReady();   // in case of error, this.sendNosub();
});

ddp.on('unsub', function (id, name, params) {
    // handle unsub here...
    this.sendReady();
});

// all methods calls are prefixed with "method:"
ddp.on('method:test', function (id, params) {
    var x = params.x, y = params.y;
    var sum = x + y;

    this.sendResult(id, sum);
});

server.listen(3000);

Methods

Each event handler binded to ddp instance as this, such methods are available.

ddp.sendResult(id, result);

Sends the result back to subscriber.

ddp.sendError(id, error);

Sends the error back to subscriber.

ddp.sendAdded(id, collection, fields);

Sends added back to subscriber.

ddp.sendChanged(id, collection, fields, cleared);

Sends changed back to subscriber.

ddp.sendRemoved(id, collection, fields, cleared);

Sends removed back to subscriber.

ddp.sendReady(id);

Sends ready event, should be called inside sub event handler.

ddp.sendNosub(id);

Sends nosub event, should be called inside sub event handler.

ddp.sendEvent(msg, data);

Sends generic back to subscriber.

References

• DDP-Server

Usage

• alexbeletsky/sparkling - Reactive API for Express.js

License

MIT alexander.beletsky@gmail.com