FEATURE: Add new site setting type for tag-group lists (#21993)

* FEATURE: Add new site setting type for tag-group lists

app/assets/javascripts/admin/addon/components/site-settings/tag-group-list.hbs

@@ -0,0 +1,7 @@
+<TagGroupChooser
+  @tagGroups={{this.selectedTagGroups}}
+  @onChange={{action "onTagGroupChange"}}
+  @options={{hash filterPlaceholder="category.required_tag_group.placeholder"}}
+/>
+<div class="desc">{{html-safe this.setting.description}}</div>
+<SettingValidationMessage @message={{this.validationMessage}} />

app/assets/javascripts/admin/addon/components/site-settings/tag-group-list.js

@@ -0,0 +1,15 @@
+import Component from "@ember/component";
+import { action } from "@ember/object";
+import discourseComputed from "discourse-common/utils/decorators";
+
+export default class TagGroupList extends Component {
+  @discourseComputed("value")
+  selectedTagGroups(value) {
+    return value.split("|").filter(Boolean);
+  }
+
+  @action
+  onTagGroupChange(tagGroups) {
+    this.set("value", tagGroups.join("|"));
+  }
+}

app/assets/javascripts/admin/addon/mixins/setting-component.js

@@ -27,6 +27,7 @@ const CUSTOM_TYPES = [
   "upload",
   "group_list",
   "tag_list",
+  "tag_group_list",
   "color",
   "simple_list",
   "emoji_list",