From ec9dcdb093877cb46b257da66f6bcd1dc990290d Mon Sep 17 00:00:00 2001
From: Dario Ferderber <dario.ferderber@broj42.com>
Date: Mon, 15 May 2023 14:47:30 +0200
Subject: [PATCH] fix(nuxt): allow `pages:extend` to enable pages module
 (#20806)

---
 docs/2.guide/3.going-further/3.modules.md |  4 ++--
 packages/nuxt/src/pages/module.ts         | 13 +++++++++----
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/docs/2.guide/3.going-further/3.modules.md b/docs/2.guide/3.going-further/3.modules.md
index ba73c55f56..a6cfbf7625 100644
--- a/docs/2.guide/3.going-further/3.modules.md
+++ b/docs/2.guide/3.going-further/3.modules.md
@@ -414,8 +414,8 @@ export default defineNuxtModule({
     }
   },
   setup (options, nuxt) {
-    // Programmatically hook to the `page:extend` hook
-    nuxt.hook('page:extend', (pages) => {
+    // Programmatically hook to the `pages:extend` hook
+    nuxt.hook('pages:extend', (pages) => {
       console.info(`Discovered ${pages.length} pages`);
     })
   }
diff --git a/packages/nuxt/src/pages/module.ts b/packages/nuxt/src/pages/module.ts
index bfd569ce3e..46bbdab5ec 100644
--- a/packages/nuxt/src/pages/module.ts
+++ b/packages/nuxt/src/pages/module.ts
@@ -29,7 +29,7 @@ export default defineNuxtModule({
     // Disable module (and use universal router) if pages dir do not exists or user has disabled it
     const isNonEmptyDir = (dir: string) => existsSync(dir) && readdirSync(dir).length
     const userPreference = nuxt.options.pages
-    const isPagesEnabled = () => {
+    const isPagesEnabled = async () => {
       if (typeof userPreference === 'boolean') {
         return userPreference
       }
@@ -39,19 +39,24 @@ export default defineNuxtModule({
       if (pagesDirs.some(dir => isNonEmptyDir(dir))) {
         return true
       }
+
+      const pages = await resolvePagesRoutes()
+      await nuxt.callHook('pages:extend', pages)
+      if (pages.length) { return true }
+
       return false
     }
-    nuxt.options.pages = isPagesEnabled()
+    nuxt.options.pages = await isPagesEnabled()
 
     // Restart Nuxt when pages dir is added or removed
     const restartPaths = nuxt.options._layers.flatMap(layer => [
       join(layer.config.srcDir, 'app/router.options.ts'),
       join(layer.config.srcDir, layer.config.dir?.pages || 'pages')
     ])
-    nuxt.hooks.hook('builder:watch', (event, path) => {
+    nuxt.hooks.hook('builder:watch', async (event, path) => {
       const fullPath = join(nuxt.options.srcDir, path)
       if (restartPaths.some(path => path === fullPath || fullPath.startsWith(path + '/'))) {
-        const newSetting = isPagesEnabled()
+        const newSetting = await isPagesEnabled()
         if (nuxt.options.pages !== newSetting) {
           console.info('Pages', newSetting ? 'enabled' : 'disabled')
           return nuxt.callHook('restart')