Added promises tts.DeferredPromise

core/addons/promises.js

@@ -0,0 +1,21 @@
+tts.DeferredPromise = function() {
+    var _resolve = null;
+    var _reject = null;
+
+    this.promise = new Promise(function(resolve, reject) {
+        _resolve = resolve;
+        _reject = reject;
+    });
+    this.then = function() {
+        return this.promise.then(...arguments);
+    }
+    this.catch = function() {
+        return this.promise.catch(...arguments);
+    }
+    this.resolve = function() {
+        _resolve(...arguments);
+    }
+    this.reject = function() {
+        _reject(...arguments);
+    }
+};