Polyfill Promise.defer() to avoid deprecation warning

1 files changed, 16 insertions, 1 deletions

diff --git a/lib/promises.js b/lib/promises.js
index 010631f..0f0512a 100644
--- a/lib/promises.js
+++ b/lib/promises.js
@@ -1,7 +1,7 @@
 var _ = require("underscore");
 var bluebird = require("bluebird/js/release/promise")();
 
-exports.defer = bluebird.defer;
+exports.defer = defer;
 exports.when = bluebird.resolve;
 exports.resolve = bluebird.resolve;
 exports.all = bluebird.all;
@@ -25,3 +25,18 @@ bluebird.prototype.also = function(func) {
         return bluebird.props(returnValue);
     });
 };
+
+function defer() {
+    var resolve;
+    var reject;
+    var promise = new bluebird.Promise(function(resolveArg, rejectArg) {
+        resolve = resolveArg;
+        reject = rejectArg;
+    });
+
+    return {
+        resolve: resolve,
+        reject: reject,
+        promise: promise
+    };
+}