diff --git a/.travis.yml b/.travis.yml
index cc1ba6e..1d3284d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@ language: node_js
 node_js:
   # we recommend testing addons with the same minimum supported node version as Ember CLI
   # so that your addon works for all apps
-  - "8"
+  - "10"
 
 sudo: false
 dist: trusty
@@ -18,6 +18,7 @@ env:
   global:
     # See https://git.io/vdao3 for details.
     - JOBS=1
+
   matrix:
     # we recommend new addons test the current and previous LTS
     # as well as latest stable release (bonus points to beta/canary)
diff --git a/README.md b/README.md
index 5571140..ee9b02d 100644
--- a/README.md
+++ b/README.md
@@ -360,7 +360,6 @@ export default Ember.ArrayController.extend({
       post.save();
     }
   }
-}
 });
 ```
 
diff --git a/addon/components/draggable-object-target.js b/addon/components/draggable-object-target.js
index 97c2c8d..5c19f2c 100644
--- a/addon/components/draggable-object-target.js
+++ b/addon/components/draggable-object-target.js
@@ -55,13 +55,23 @@ export default Component.extend(Droppable, {
     }
   },
 
-  mouseEnter(e) {
+  handleMouseEnter(e) {
     let mouseEnter = this.get('onMouseEnter');
     if (mouseEnter) {
       mouseEnter(e);
     }
   },
 
+  didInsertElement() {
+      this._super(...arguments);
+      this.element.addEventListener('mouseenter', this.handleMouseEnter);
+  },
+
+  willDestroyElement() {
+      this._super(...arguments);
+      this.element.removeEventListener('mouseenter', this.handleMouseEnter);
+  },
+
   actions: {
     acceptForDrop() {
       let hashId = this.get('coordinator.clickedId');
diff --git a/addon/components/draggable-object.js b/addon/components/draggable-object.js
index 8a32d24..07d8236 100644
--- a/addon/components/draggable-object.js
+++ b/addon/components/draggable-object.js
@@ -7,7 +7,7 @@ import { set } from '@ember/object';
 import { wrapper } from 'ember-drag-drop/utils/proxy-unproxy-objects';
 
 export default Component.extend({
-  dragCoordinator: service(),
+  dragCoordinator: service('drag-coordinator'),
   overrideClass: 'draggable-object',
   classNameBindings: [':js-draggableObject','isDraggingObject:is-dragging-object:', 'overrideClass'],
   attributeBindings: ['dragReady:draggable'],
@@ -26,7 +26,7 @@ export default Component.extend({
   proxyContent: computed('content', function() {
     return wrapper(this.get('content'));
   }),
-  
+
 
   init() {
     this._super(...arguments);
diff --git a/addon/components/object-bin.js b/addon/components/object-bin.js
index 58011e4..be2f5db 100644
--- a/addon/components/object-bin.js
+++ b/addon/components/object-bin.js
@@ -7,7 +7,7 @@ function removeOne(arr,obj) {
   var l2 = arr.get('length');
 
   if (l-1 !== l2) {
-    throw "bad length " + l + " " + l2;
+    throw new Error("bad length " + l + " " + l2);
   }
 }
 
diff --git a/addon/components/sortable-objects.js b/addon/components/sortable-objects.js
index 9ca3ade..a4fef47 100644
--- a/addon/components/sortable-objects.js
+++ b/addon/components/sortable-objects.js
@@ -3,7 +3,7 @@ import { inject as service } from '@ember/service';
 import { A } from '@ember/array';
 
 export default Component.extend( {
-  dragCoordinator: service(),
+  dragCoordinator: service('drag-coordinator'),
   overrideClass: 'sortable-objects',
   classNameBindings: ['overrideClass'],
   enableSort: true,
diff --git a/addon/services/drag-coordinator.js b/addon/services/drag-coordinator.js
index 5417b7c..d9f81ee 100644
--- a/addon/services/drag-coordinator.js
+++ b/addon/services/drag-coordinator.js
@@ -77,18 +77,26 @@ export default Service.extend({
     const currentOffsetItem = this.get('currentOffsetItem');
     const pos = this.relativeClientPosition(emberObject.element, event);
     const hasSameSortingScope = this.get('currentDragItem.sortingScope') === emberObject.get('sortingScope');
-    let moveDirection = false;
+    let moveDirections = [];
 
     if (!this.get('lastEvent')) {
       this.set('lastEvent', event);
     }
 
     if (event.clientY < this.get('lastEvent').clientY) {
-      moveDirection = 'up';
+      moveDirections.push('up');
     }
 
     if (event.clientY > this.get('lastEvent').clientY) {
-      moveDirection = 'down';
+      moveDirections.push('down');
+    }
+
+    if (event.clientX < this.get('lastEvent').clientX) {
+      moveDirections.push('left');
+    }
+
+    if (event.clientX > this.get('lastEvent').clientX) {
+      moveDirections.push('right');
     }
 
     this.set('lastEvent', event);
@@ -96,7 +104,10 @@ export default Service.extend({
     if (!this.get('isMoving') && this.get('currentDragEvent')) {
       if (event.target !== this.get('currentDragEvent').target && hasSameSortingScope) { //if not dragging over self
         if (currentOffsetItem !== emberObject) {
-          if (pos.py > 0.33 && moveDirection === 'up' || pos.py > 0.33 && moveDirection === 'down') {
+          if (pos.py < 0.67 && moveDirections.indexOf('up') >= 0 ||
+              pos.py > 0.33 && moveDirections.indexOf('down') >= 0 ||
+              pos.px < 0.67 && moveDirections.indexOf('left') >= 0 ||
+              pos.px > 0.33 && moveDirections.indexOf('right') >= 0) {
 
             this.moveElements(emberObject);
             this.set('currentOffsetItem', emberObject);
diff --git a/app/models/obj-hash.js b/app/models/obj-hash.js
index c6581e7..bff7cd4 100644
--- a/app/models/obj-hash.js
+++ b/app/models/obj-hash.js
@@ -21,7 +21,7 @@ export default EmberObject.extend({
   getObj: function(key) {
     var res = this.get('content')[key];
     if (!res) {
-      throw "no obj for key "+key;
+      throw new Error("no obj for key "+key);
     }
     return res;
   },
diff --git a/test-support/helpers/drag-drop.js b/test-support/helpers/drag-drop.js
index a21736c..f3479a6 100644
--- a/test-support/helpers/drag-drop.js
+++ b/test-support/helpers/drag-drop.js
@@ -1,2 +1,2 @@
 export { default } from 'ember-drag-drop/test-support/helpers/drag-drop';
-export * from 'ember-drag-drop/test-support/helpers/drag-drop';
+export * from 'ember-drag-drop/test-support/helpers/drag-drop';
\ No newline at end of file
diff --git a/test-support/helpers/ember-drag-drop.js b/test-support/helpers/ember-drag-drop.js
index edb2c53..45f1c9f 100644
--- a/test-support/helpers/ember-drag-drop.js
+++ b/test-support/helpers/ember-drag-drop.js
@@ -6,7 +6,7 @@ function drop($dragHandle, dropCssPath, dragEvent) {
   let dropTarget = document.querySelector(dropCssPath);
 
   if (dropTarget.length === 0) {
-    throw(`There are no drop targets by the given selector: '${dropCssPath}'`);
+    throw new Error(`There are no drop targets by the given selector: '${dropCssPath}'`);
   }
 
   run(() => {