try importing $ from jquery instead of ember

Author: mweidner037

addon/helpers/drag.js

@@ -1,5 +1,5 @@
-import Ember from 'ember';
-const { $ } = Ember;
+import Ember from "ember";
+import $ from "jquery";
 
 /**
   Drags elements by an offset specified in pixels.
@@ -29,21 +29,17 @@ const { $ } = Ember;
 export function drag(app, mode, itemSelector, offsetFn, callbacks = {}) {
   let start, move, end, which;
 
-  const {
-    andThen,
-    findWithAssert,
-    wait
-  } = app.testHelpers;
+  const { andThen, findWithAssert, wait } = app.testHelpers;
 
-  if (mode === 'mouse') {
-    start = 'mousedown';
-    move = 'mousemove';
-    end = 'mouseup';
+  if (mode === "mouse") {
+    start = "mousedown";
+    move = "mousemove";
+    end = "mouseup";
     which = 1;
-  } else if (mode === 'touch') {
-    start = 'touchstart';
-    move = 'touchmove';
-    end = 'touchend';
+  } else if (mode === "touch") {
+    start = "touchstart";
+    move = "touchmove";
+    end = "touchend";
   } else {
     throw new Error(`Unsupported mode: '${mode}'`);
   }
@@ -58,7 +54,7 @@ export function drag(app, mode, itemSelector, offsetFn, callbacks = {}) {
     triggerEvent(app, item, start, {
       pageX: itemOffset.left,
       pageY: itemOffset.top,
-      which
+      which,
     });
 
     if (callbacks.dragstart) {
@@ -67,7 +63,7 @@ export function drag(app, mode, itemSelector, offsetFn, callbacks = {}) {
 
     triggerEvent(app, item, move, {
       pageX: itemOffset.left,
-      pageY: itemOffset.top
+      pageY: itemOffset.top,
     });
 
     if (callbacks.dragmove) {
@@ -76,12 +72,12 @@ export function drag(app, mode, itemSelector, offsetFn, callbacks = {}) {
 
     triggerEvent(app, item, move, {
       pageX: targetX,
-      pageY: targetY
+      pageY: targetY,
     });
 
     triggerEvent(app, item, end, {
       pageX: targetX,
-      pageY: targetY
+      pageY: targetY,
     });
 
     if (callbacks.dragend) {
@@ -99,4 +95,4 @@ function triggerEvent(app, el, type, props) {
   });
 }
 
-export default Ember.Test.registerAsyncHelper('drag', drag);
+export default Ember.Test.registerAsyncHelper("drag", drag);