fix(unplugin-vue-router)!: skip top-level route layout for index route children

examples/unplugin-vue-router/typed-router.d.ts

@@ -51,7 +51,6 @@ declare module 'vue-router/auto/routes' {
     '/news/': RouteRecordInfo<'/news/', '/news', Record<never, never>, Record<never, never>>,
     'named-news-page': RouteRecordInfo<'named-news-page', '/news/Today', Record<never, never>, Record<never, never>>,
     '/nolayout': RouteRecordInfo<'/nolayout', '/nolayout', Record<never, never>, Record<never, never>>,
-    '/second': RouteRecordInfo<'/second', '/second', Record<never, never>, Record<never, never>>,
     '/second/': RouteRecordInfo<'/second/', '/second', Record<never, never>, Record<never, never>>,
     '/sublayout': RouteRecordInfo<'/sublayout', '/sublayout', Record<never, never>, Record<never, never>>,
   }

src/RouteLayout.ts

@@ -1,4 +1,4 @@
-import { ResolvedOptions } from './types'
+import type { ResolvedOptions } from './types'
 
 function getClientCode(importCode: string, options: ResolvedOptions) {
   const code = `
@@ -18,13 +18,22 @@ export function setupLayouts(routes) {
         route.children = deepSetupLayout(route.children, false)
       }
 
-      if (top && route.meta?.layout !== false) {
-        return { 
-          path: route.path,
-          component: layouts[route.meta?.layout || '${options.defaultLayout}'],
-          children: [ {...route, path: ''} ],
-          meta: {
-            isLayout: true
+      if (top) {
+        // unplugin-vue-router adds a top-level route to the routing group, which we should skip.
+        const skipLayout = !route.component && route.children?.find(r => (r.path === '' || r.path === '/') && r.meta?.isLayout)  
+
+        if (skipLayout) {
+          return route
+        }
+
+        if (route.meta?.layout !== false) {
+          return { 
+            path: route.path,
+            component: layouts[route.meta?.layout || '${options.defaultLayout}'],
+            children: route.path === '/' ? [route] : [{...route, path: ''}],
+            meta: {
+              isLayout: true
+            }
           }
         }
       }

src/clientSide.ts

@@ -1,4 +1,4 @@
-import { posix } from 'path'
+import { posix } from 'node:path'
 
 function normalizePath(path: string) {
   path = path.startsWith('/') ? path : `/${path}`
@@ -55,14 +55,23 @@ export async function createVirtualModuleCode(
         if (route.children?.length > 0) {
           route.children = deepSetupLayout(route.children, false)
         }
-
-        if (top && route.meta?.layout !== false) {
-          return { 
-            path: route.path,
-            component: layouts[route.meta?.layout || '${defaultLayout}'],
-            children: [ {...route, path: ''} ],
-            meta: {
-              isLayout: true
+
+        if (top) {
+          // unplugin-vue-router adds a top-level route to the routing group, which we should skip.
+          const skipLayout = !route.component && route.children?.find(r => (r.path === '' || r.path === '/') && r.meta?.isLayout)  
+
+          if (skipLayout) {
+            return route
+          }
+
+          if (route.meta?.layout !== false) {
+            return { 
+              path: route.path,
+              component: layouts[route.meta?.layout || '${defaultLayout}'],
+              children: route.path === '/' ? [route] : [{...route, path: ''}],
+              meta: {
+                isLayout: true
+              }
             }
           }
         }