modified some needless "or".

lib/instance.js

@@ -809,7 +809,7 @@ Instance.prototype.destroy = function(options) {
   options = Utils._.extend({
     hooks: true,
     force: false
-  }, options || {});
+  }, options);
 
   return Promise.bind(this).then(function() {
     // Run before hook
@@ -821,7 +821,7 @@ Instance.prototype.destroy = function(options) {
 
     if (this.Model._timestampAttributes.deletedAt && options.force === false) {
       this.setDataValue(this.Model._timestampAttributes.deletedAt, new Date());
-      return this.save(_.extend(_.clone(options), {hooks : false}));
+      return this.save(_.extend({}, options, {hooks : false}));
     } else {
       where = {};
       var primaryKeys = this.Model.primaryKeyAttributes;
@@ -855,7 +855,7 @@ Instance.prototype.restore = function(options) {
   options = Utils._.extend({
     hooks: true,
     force: false
-  }, options || {});
+  }, options);
 
   return Promise.bind(this).then(function() {
     // Run before hook
@@ -864,7 +864,7 @@ Instance.prototype.restore = function(options) {
     }
   }).then(function() {
     this.setDataValue(this.Model._timestampAttributes.deletedAt, null);
-    return this.save(_.extend(_.clone(options), {hooks : false, omitNull : false}));
+    return this.save(_.extend({}, options, {hooks : false, omitNull : false}));
   }).tap(function() {
     // Run after hook
     if (options.hooks) {
@@ -913,13 +913,13 @@ Instance.prototype.increment = function(fields, options) {
     }
   }
 
-  options = _.defaults({}, options || {}, {
+  options = _.defaults({}, options, {
     by: 1,
     attributes: {},
     where: {}
   });
 
-  where = _.extend(options.where || {}, identifier);
+  where = _.extend({}, options.where, identifier);
 
   if (Utils._.isString(fields)) {
     values[fields] = options.by;
@@ -970,7 +970,7 @@ Instance.prototype.increment = function(fields, options) {
  * @return {Promise}
  */
 Instance.prototype.decrement = function(fields, options) {
-  options = _.defaults({}, options || {}, {
+  options = _.defaults({}, options, {
     by: 1
   });