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cometd

4.0.4 • Public • Published

The CometD Project

Welcome to the CometD Project, a scalable comet (server push) and websocket messaging library for the web.

This repository mirrors the JavaScript sources hosted at the main CometD repository. Those JavaScript sources are not suitable to be consumed with NPM, and are therefore re-arranged in this repository for to make it simpler to use CometD with NPM.

License

The CometD source code is released under the Apache 2.0 License.

NPM Installation

npm install cometd

CommonJS Usage

// Obtain the CometD APIs.
var lib = require('cometd');
 
// Create the CometD object.
var cometd = new lib.CometD();
 
// Optionally, obtain an extension and register it.
var TimeStampExtension = require('cometd/TimeStampExtension');
cometd.registerExtension('timestamp', new TimeStampExtension());
 
// Configure the CometD object.
cometd.configure({
    url: 'http://host/cometd'
});
 
// Handshake with the server.
cometd.handshake(function(h) {
    if (h.successful) {
        // Subscribe to receive messages from the server.
        cometd.subscribe('/topic', function(m) {
            var dataFromServer = m.data;
            // Use dataFromServer.
        });
    }
});

Bower installation

bower install cometd

AMD Usage

require({
    paths: {
      'cometd': 'bower_components/cometd'
    }
}, ['cometd/cometd', 'cometd/TimeStampExtension'], function(lib, TimeStampExtension) {
    var cometd = new lib.CometD();
  
    // Optionally, install an extension.
    cometd.registerExtension('timestamp', new TimeStampExtension());
    
    // Configure the CometD object.
    cometd.configure({
        url: 'http://host/cometd'
    });
    
    // Handshake with the server.
    cometd.handshake(function(h) {
        if (h.successful) {
            // Subscribe to receive messages from the server.
            cometd.subscribe('/topic', function(m) {
                var dataFromServer = m.data;
                // Use dataFromServer.
            });
        }
    });
});

install

npm i cometd

Downloadsweekly downloads

27,011

version

4.0.4

license

Apache-2.0

homepage

cometd.org

repository

Gitgithub

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