fix: fixes an issue preventing to use badges with generated sidebar groups

example/astro.multiple-plugins.config.ts

@@ -30,7 +30,7 @@ export default defineConfig({
       sidebar: [
         {
           label: 'Bar Content',
-          items: [barTypeDocSidebarGroup],
+          items: [{ ...barTypeDocSidebarGroup, badge: 'generated' }],
         },
         {
           label: 'Foo Content',

packages/starlight-typedoc/libs/starlight.ts

@@ -43,7 +43,7 @@ export function getSidebarFromReflections(
 
   function replaceSidebarGroupPlaceholder(group: SidebarManualGroup): SidebarGroup {
     if (group.label === sidebarGroupPlaceholder.label) {
-      return sidebarGroup
+      return group.badge ? { ...sidebarGroup, badge: group.badge } : sidebarGroup
     }
 
     if (isSidebarManualGroup(group)) {
@@ -252,6 +252,13 @@ interface SidebarManualGroup {
   collapsed?: boolean
   items: (LinkItem | SidebarGroup)[]
   label: string
+  badge?:
+    | string
+    | {
+        text: string
+        variant: 'note' | 'danger' | 'success' | 'caution' | 'tip' | 'default'
+      }
+    | undefined
 }
 
 interface LinkItem {

packages/starlight-typedoc/tests/e2e/fixtures/DocPage.ts

@@ -75,7 +75,7 @@ export class DocPage {
     for (const category of await list.locator('> li > details').all()) {
       items.push({
         collapsed: !(await category.getAttribute('open')),
-        label: await category.locator(`> summary > div > span`).textContent(),
+        label: await category.locator(`> summary > div > span:not(.sl-badge)`).textContent(),
         items: await this.#getTypeDocSidebarChildrenItems(category.locator('> ul')),
       })
     }

packages/starlight-typedoc/tests/e2e/plugins/sidebar.test.ts

@@ -42,3 +42,11 @@ test('should generate the proper items for for multiple plugins with different c
     },
   ])
 })
+
+test('should support having a badge', async ({ docPage }) => {
+  docPage.useMultiplePlugins()
+
+  await docPage.goto('api-multiple-plugins-bar/classes/bar')
+
+  await expect(docPage.page.locator('.sl-badge:has-text("generated")')).toBeVisible()
+})