From f88aa8db01c402eda6e8382e7c4e8960bf6f0681 Mon Sep 17 00:00:00 2001
From: Lo <l709937065@gmail.com>
Date: Wed, 6 Mar 2024 09:32:57 +0800
Subject: [PATCH] feat: add window.__VITEPRESS__

---
 src/client/app/index.ts |  4 ++++
 src/shared/shared.ts    | 17 +++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/src/client/app/index.ts b/src/client/app/index.ts
index 57cfe15a..5bc8087c 100644
--- a/src/client/app/index.ts
+++ b/src/client/app/index.ts
@@ -17,6 +17,7 @@ import { usePrefetch } from './composables/preFetch'
 import { dataSymbol, initData, siteDataRef, useData } from './data'
 import { RouterSymbol, createRouter, scrollTo, type Router } from './router'
 import { inBrowser, pathToFile } from './utils'
+import { getGlobalThis } from '../shared'
 
 function resolveThemeExtends(theme: typeof RawTheme): typeof RawTheme {
   if (theme.extends) {
@@ -64,6 +65,9 @@ const VitePressApp = defineComponent({
 })
 
 export async function createApp() {
+  const target = getGlobalThis()
+  target.__VITEPRESS__ = true
+
   const router = newRouter()
 
   const app = newApp()
diff --git a/src/shared/shared.ts b/src/shared/shared.ts
index 1308840e..d24b98b3 100644
--- a/src/shared/shared.ts
+++ b/src/shared/shared.ts
@@ -211,3 +211,20 @@ export function treatAsHtml(filename: string): boolean {
 export function escapeRegExp(str: string) {
   return str.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&').replace(/-/g, '\\x2d')
 }
+
+let _globalThis: any
+export const getGlobalThis = (): any => {
+  return (
+    _globalThis ||
+    (_globalThis =
+      typeof globalThis !== 'undefined'
+        ? globalThis
+        : typeof self !== 'undefined'
+          ? self
+          : typeof window !== 'undefined'
+            ? window
+            : typeof global !== 'undefined'
+              ? global
+              : {})
+  )
+}