fixed "signature_pad", "sortablejs", "ckeditor", "select2-tagbox", bundles

Author: dmitry-kurmanov

package.json

@@ -1,6 +1,6 @@
 {
   "name": "surveyjs-widgets",
-  "version": "0.12.52",
+  "version": "0.12.55",
   "scripts": {
     "start": "npm run build && live-server",
     "prebuild": "webpack --env.buildType dev",

src/ck-editor.js

@@ -1,3 +1,5 @@
+import CKEDITOR from 'ckeditor';
+
 function init(Survey) {
     var widget = {
         name: "editor",

src/select2-tagbox.js

@@ -1,3 +1,5 @@
+import $ from 'jquery';
+
 function init(Survey) {
     var widget = {
         name: "tagbox",

src/signature_pad.js

@@ -1,3 +1,5 @@
+import * as SignaturePad from 'signature_pad';
+
 function init(Survey) {
     var widget = {
         name: "signaturepad",

src/sortablejs.js

@@ -1,3 +1,5 @@
+import Sortable from 'sortablejs';
+
 function init(Survey) {
     var widget = {
         name: "sortablelist",

webpack.config.js

@@ -115,11 +115,29 @@ module.exports = function(options) {
                 commonjs: 'inputmask',
                 amd: 'inputmask'
             },
-            'noUiSlider': {
+            'nouislider': {
                 root: 'noUiSlider',
                 commonjs2: 'nouislider',
                 commonjs: 'nouislider',
                 amd: 'nouislider'
+            },
+            'signature_pad': {
+                root: 'SignaturePad',
+                commonjs2: 'signature_pad',
+                commonjs: 'signature_pad',
+                amd: 'signature_pad'
+            },
+            'sortablejs': {
+                root: 'Sortable',
+                commonjs2: 'sortablejs',
+                commonjs: 'sortablejs',
+                amd: 'sortablejs'
+            },
+            'ckeditor': {
+                root: 'CKEDITOR',
+                commonjs2: 'ckeditor',
+                commonjs: 'ckeditor',
+                amd: 'ckeditor'
             }
         },
         plugins: [