From 2dd1a15d5683fa6a3ecc968d615d2baaa9b49d5a Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Wed, 29 Apr 2020 18:39:36 -0400
Subject: [PATCH] support Theme.enhanceApp

---
 lib/app/index.js           | 8 ++++++++
 lib/theme-default/index.js | 7 +++++++
 2 files changed, 15 insertions(+)

diff --git a/lib/app/index.js b/lib/app/index.js
index b5f846ed..8bcf7d0f 100644
--- a/lib/app/index.js
+++ b/lib/app/index.js
@@ -84,6 +84,14 @@ export function createApp() {
     }
   })
 
+  if (Theme.enhanceApp) {
+    Theme.enhanceApp({
+      app,
+      router,
+      siteData: useSiteData()
+    })
+  }
+
   return { app, router }
 }
 
diff --git a/lib/theme-default/index.js b/lib/theme-default/index.js
index 964ac493..d983b32b 100644
--- a/lib/theme-default/index.js
+++ b/lib/theme-default/index.js
@@ -1,9 +1,16 @@
 import Layout from './Layout.vue'
 
 /**
+ * @typedef {{
+ *   app: import('vue').App
+ *   router: import('../app/router').Router
+ *   siteData: import('vue').Ref<object>
+ * }} EnhanceAppContext
+ *
  * @type {{
  *   Layout: import('vue').ComponentOptions
  *   NotFound?: import('vue').ComponentOptions
+ *   enhanceApp?: (ctx: EnhanceAppContext) => void
  * }}
  */
 const Theme = {