SuperAgent + Bluebird.js

superagent_bluebird.js

var Promise = require('bluebird'), 

superagent = Promise.promisifyAll(require('superagent'));

superagent.Request.prototype.cancellable = function () {

    return this.endAsync().cancellable();
};




superagent.Request.prototype.then = function (done) {

    return this.endAsync().then(done);

};



//option with the standard call to .endAsync
superagent
    .get('http://google.com')
    .endAsync()
    .cancellable()
    .then(function (done) {
        console.log(done.status);
    })
    .catch(function (err) {
        console.log(err);
    });

//option if you want to return a promise directly from `then` or `cancellable()`
superagent
    .get('http://google.com')
    .cancellable()
    .then(function (done) {
        console.log(done.status);
    })
    .catch(function (err) {
        console.log(err);
    });