From 5d3cb96ac364413aa9eb494bc91744bd8f4a2c79 Mon Sep 17 00:00:00 2001
From: Divyansh Singh <40380293+brc-dd@users.noreply.github.com>
Date: Fri, 22 Mar 2024 11:17:53 +0530
Subject: [PATCH] fix(build): ship built-in vue-demi to avoid resolution issues
 (#3680)

---
 lib/vue-demi.mjs  | 34 ++++++++++++++++++++++++++++++++++
 package.json      |  6 +++++-
 src/node/alias.ts |  4 ++++
 3 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 lib/vue-demi.mjs

diff --git a/lib/vue-demi.mjs b/lib/vue-demi.mjs
new file mode 100644
index 00000000..fd8ead4f
--- /dev/null
+++ b/lib/vue-demi.mjs
@@ -0,0 +1,34 @@
+/**
+ * vue-demi v0.14.7
+ * Copyright (c) 2020-present, Anthony Fu
+ * @license MIT
+ */
+
+import * as Vue from 'vue'
+
+var isVue2 = false
+var isVue3 = true
+var Vue2 = undefined
+
+function install() {}
+
+export function set(target, key, val) {
+  if (Array.isArray(target)) {
+    target.length = Math.max(target.length, key)
+    target.splice(key, 1, val)
+    return val
+  }
+  target[key] = val
+  return val
+}
+
+export function del(target, key) {
+  if (Array.isArray(target)) {
+    target.splice(key, 1)
+    return
+  }
+  delete target[key]
+}
+
+export * from 'vue'
+export { Vue, Vue2, isVue2, isVue3, install }
diff --git a/package.json b/package.json
index 0cba07de..47c01c7f 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,9 @@
     "./theme-without-fonts": {
       "types": "./theme-without-fonts.d.ts",
       "default": "./dist/client/theme-default/without-fonts.js"
+    },
+    "./vue-demi": {
+      "default": "./lib/vue-demi.mjs"
     }
   },
   "bin": {
@@ -36,7 +39,8 @@
     "template",
     "client.d.ts",
     "theme.d.ts",
-    "theme-without-fonts.d.ts"
+    "theme-without-fonts.d.ts",
+    "lib"
   ],
   "repository": {
     "type": "git",
diff --git a/src/node/alias.ts b/src/node/alias.ts
index aeefcbe1..66320adc 100644
--- a/src/node/alias.ts
+++ b/src/node/alias.ts
@@ -41,6 +41,10 @@ export function resolveAliases(
     {
       find: /^vitepress\/theme$/,
       replacement: join(DIST_CLIENT_PATH, '/theme-default/index.js')
+    },
+    {
+      find: /^vue-demi$/,
+      replacement: require.resolve('vitepress/vue-demi')
     }
   ]