Bluebird: Promise.defer is deprecated

[Jolg42]

Hi,

I used node-connection-example and got this warning from Bluebird lib

Warning: Promise.defer is deprecated and will be removed in a future version. Use new Promise instead.
    at EventEmitter.NodeConnection.connect (file:///Users/user/node-connection-example/js/components/generator-connection/lib/NodeConnection.js:269:32)
    at EventEmitter.NodeDomain (file:///Users/user/node-connection-example/js/components/generator-connection/lib/NodeDomain.js:81:46)
    at HTMLDocument.<anonymous> (file:///Users/user/node-connection-example/js/app/main.js:XX:XX)
    at fire (file:///Users/user/node-connection-example/js/components/jquery/dist/jquery.js:3099:30)
    at Object.add [as done] (file:///Users/user/node-connection-example/js/components/jquery/dist/jquery.js:3145:7)
    at jQuery.fn.ready (file:///Users/user/node-connection-example/js/components/jquery/dist/jquery.js:3378:25)
    at jQuery.fn.init (file:///Users/user/node-connection-example/js/components/jquery/dist/jquery.js:2821:16)
    at jQuery (file:///Users/user/node-connection-example/js/components/jquery/dist/jquery.js:76:10)
    at file:///Users/user/node-connection-example/js/app/main.js:21:5
    at Object.execCb (file:///Users/user/node-connection-example/js/components/requirejs/require.js:1690:33)
    at Object.check (file:///Users/user/node-connection-example/js/components/requirejs/require.js:865:51)
    at Object.<anonymous> (file:///Users/user/node-connection-example/js/components/requirejs/require.js:1140:34)
    at file:///Users/user/node-connection-example/js/components/requirejs/require.js:131:23

Apparently the deprecation is old and needs to be fixed http://bluebirdjs.com/docs/deprecated-apis.html

---

exceljs/exceljs#48 (comment)

Instead of doing:

var deferred = Promise.defer();
doSomething(function cb(err, res) {
    if (err) deferred.reject(err); else deferred.resolve(res);
});
return deferred.promise;

You should do:

return new Promise(function(resolve, reject) {
    doSomething(function cb(err, res) {
        if (err) reject(err); else resolve(res);
    });
});