Merge branch 'vuejs:main' into main

src/client/theme-default/components/VPSidebarItem.vue

@@ -82,7 +82,7 @@ function onCaretClick() {
       <component v-else :is="textTag" class="text" v-html="item.text" />
 
       <div
-        v-if="item.collapsed != null"
+        v-if="item.collapsed != null && item.items && item.items.length"
         class="caret"
         role="button"
         aria-label="toggle section"

src/node/plugins/localSearchPlugin.ts

@@ -235,8 +235,9 @@ function* splitPageIntoSections(html: string) {
     const anchor = headingResult?.[2] ?? ''
     const content = result[i + 2]
     if (!title || !content) continue
-    const titles = parentTitles.slice(0, level)
+    let titles = parentTitles.slice(0, level)
     titles[level] = title
+    titles = titles.filter(Boolean)
     yield { anchor, titles, text: getSearchableText(content) }
     if (level === 0) {
       parentTitles = [title]