Extract edit tag submit data for extensibility

extensions/tags/js/admin/dist/extension.js

@@ -768,6 +768,17 @@ System.register('flarum/tags/components/EditTagModal', ['flarum/components/Modal
               )
             );
           }
+        }, {
+          key: 'submitData',
+          value: function submitData() {
+            return {
+              name: this.name(),
+              slug: this.slug(),
+              description: this.description(),
+              color: this.color(),
+              isHidden: this.isHidden()
+            };
+          }
         }, {
           key: 'onsubmit',
           value: function onsubmit(e) {
@@ -777,13 +788,7 @@ System.register('flarum/tags/components/EditTagModal', ['flarum/components/Modal
 
             this.loading = true;
 
-            this.tag.save({
+            this.tag.save(this.submitData()).then(function () {
-              name: this.name(),
-              slug: this.slug(),
-              description: this.description(),
-              color: this.color(),
-              isHidden: this.isHidden()
-            }).then(function () {
               return _this3.hide();
             }, function (response) {
               _this3.loading = false;

extensions/tags/js/admin/src/components/EditTagModal.js

@@ -88,18 +88,22 @@ export default class EditTagModal extends Modal {
     );
   }
 
-  onsubmit(e) {
+  submitData() {
-    e.preventDefault();
+    return {
-
-    this.loading = true;
-
-    this.tag.save({
       name: this.name(),
       slug: this.slug(),
       description: this.description(),
       color: this.color(),
       isHidden: this.isHidden()
-    }).then(
+    };
+  }
+
+  onsubmit(e) {
+    e.preventDefault();
+
+    this.loading = true;
+
+    this.tag.save(this.submitData()).then(
       () => this.hide(),
       response => {
         this.loading = false;