feat(promises): have hooks.runHooks() return a promise

lib/dao-factory.js

@@ -1224,7 +1224,6 @@ module.exports = (function() {
         if (!!err) {
           return emitter.emit('error', err)
         }
-
         daos           = newRecords || daos
         options.fields = newFields  || options.fields
 

lib/hooks.js

 var Utils = require("./utils")
+  , Promise = require("./promise")
 
 /**
  * Hooks are function that are called before and after  (bulk-) creation/updating/deletion and validation. Hooks can be added to you models in three ways:
@@ -69,13 +70,14 @@ Hooks.runHooks = function() {
     hooks = hooks === undefined ? [] : [hooks]
   }
 
+  return new Promise(function (resolve, reject) {
     if (hooks.length < 1) {
-    return fn.apply(this, [null].concat(args))
+      return resolve(args)
     }
 
     var run = function(hook) {
       if (!hook) {
-      return fn.apply(this, [null].concat(args))
+        return resolve(args)
       }
 
       if (typeof hook === "object") {
@@ -86,7 +88,7 @@ Hooks.runHooks = function() {
         tick++
 
         if (!!arguments[0]) {
-        return fn(arguments[0])
+          return reject(arguments[0])
         }
 
         // daoValues = newValues
@@ -95,6 +97,9 @@ Hooks.runHooks = function() {
     }
 
     run(hooks[tick])
+  }).spread(function () {
+    fn.apply(self, [null].concat(Array.prototype.slice.apply(arguments)));
+  }, fn);
 }
 
 Hooks.hook = function() {

lib/promise.js

@@ -173,4 +173,10 @@ SequelizePromise.prototype.proxy = function(promise, options) {
   return this
 }
 
+SequelizePromise.prototype.proxySql = function(promise) {
+  return this.proxy(promise, {
+    events: ['sql']
+  });
+};
+
 module.exports = SequelizePromise;
\ No newline at end of file