Run ember-data packages codemod

Author: Gaurav0

app/adapters/application.js

@@ -1,8 +1,8 @@
+import RESTAdapter from '@ember-data/adapter/rest';
 import { computed } from '@ember/object';
-import DS from 'ember-data';
 import config from '../config/environment';
 
-export default DS.RESTAdapter.extend({
+export default RESTAdapter.extend({
 
   host: config.host,
 

app/models/gist-file.js

@@ -1,10 +1,8 @@
+import Model, { belongsTo, attr } from '@ember-data/model';
 import { computed } from '@ember/object';
-import DS from 'ember-data';
 import Path from 'path';
 
-const { attr, belongsTo } = DS;
-
-export default DS.Model.extend({
+export default Model.extend({
   fileType: attr('string'),
   fileName: attr('string'),
   content: attr('string'),

app/models/gist-revision.js

@@ -1,8 +1,6 @@
-import DS from 'ember-data';
+import { attr } from '@ember-data/model';
 import GistModel from "./gist";
 
-const { attr } = DS;
-
 export default GistModel.extend({
   revId: attr('string'),
 

app/models/gist-version.js

@@ -1,9 +1,7 @@
+import Model, { belongsTo, attr } from '@ember-data/model';
 import { computed } from '@ember/object';
-import DS from 'ember-data';
 
-const { attr, belongsTo } = DS;
-
-export default DS.Model.extend({
+export default Model.extend({
   url: attr('string'),
   committedAt: attr('date'),
   gist: belongsTo('gist'),

app/models/gist.js

@@ -1,12 +1,10 @@
+import Model, { belongsTo, hasMany, attr } from '@ember-data/model';
 import { computed } from '@ember/object';
 import { oneWay } from '@ember/object/computed';
 import { on } from '@ember/object/evented';
-import DS from 'ember-data';
 import { memberAction } from 'ember-api-actions';
 
-const { attr, hasMany, belongsTo } = DS;
-
-export default DS.Model.extend({
+export default Model.extend({
   url: attr('string'),
   description: attr('string'),
   htmlUrl: attr('string'),

app/models/user.js

@@ -1,9 +1,7 @@
+import Model, { attr } from '@ember-data/model';
 import { computed } from '@ember/object';
-import DS from 'ember-data';
 
-const { attr } = DS;
-
-export default DS.Model.extend({
+export default Model.extend({
   login: attr('string'),
   name: attr('string'),
   avatarUrl: attr('string'),

app/serializers/application.js

@@ -1,6 +1,7 @@
-import DS from 'ember-data';
+import { EmbeddedRecordsMixin } from '@ember-data/serializer/rest';
+import JSONSerializer from '@ember-data/serializer/json';
 
-export default DS.JSONSerializer.extend(DS.EmbeddedRecordsMixin, {
+export default JSONSerializer.extend(EmbeddedRecordsMixin, {
   isNewSerializerAPI: true,
 
   keyForAttribute(key) {