fix(document-driven): page layout detection (#1955)

Co-authored-by: Sébastien Chopin <seb@nuxt.com>
Co-authored-by: Sébastien Chopin <seb@nuxtjs.com>

src/runtime/composables/helpers.ts

@@ -17,7 +17,7 @@ const navBottomLink = (link: NavItem): string | undefined => {
  */
 const navDirFromPath = (path: string, tree: NavItem[]): NavItem[] | undefined => {
   for (const file of tree) {
-    if (file._path === path && !file._id) { return file.children }
+    if (file._path === path && !file._id) { return tree }
 
     if (file.children) {
       const result = navDirFromPath(path, file.children)
@@ -41,13 +41,17 @@ const navPageFromPath = (path: string, tree: NavItem[]): NavItem | undefined =>
 }
 
 /**
- * Find a nav field node from a path.
+ * Find a navigation field node from a path.
  */
 const navKeyFromPath = (path: string, key: string, tree: NavItem[]) => {
   let value: any
 
   const goDeep = (path: string, tree: NavItem[]) => {
     for (const file of tree) {
+      if (path !== '/' && file._path === '/') {
+        // Ignore root page
+        continue
+      }
       if (path?.startsWith(file._path) && file[key]) { value = file[key] }
 
       if (file._path === path) { return }

src/runtime/composables/utils.ts

@@ -45,7 +45,7 @@ export const addPrerenderPath = (path: string) => {
 
 export const shouldUseClientDB = () => {
   const { experimental } = useRuntimeConfig().content
-  if (!process.client) { return false }
+  if (process.server) { return false }
   if (experimental.clientDB) { return true }
 
   const query = useRoute().query
@@ -55,6 +55,9 @@ export const shouldUseClientDB = () => {
   }
   // Enable clientDB when preview mode is enabled
   if (query.preview || useCookie('previewToken').value) {
+    if (process.dev) {
+      console.warn('[content] Client DB enabled since a preview token is set (either in query or cookie).')
+    }
     return true
   }