chore: fix volar support in .vitepress dir

Author: yyx990803

src/.vitepress/theme/components/preferences.ts

@@ -1,7 +1,7 @@
 import { ref } from 'vue'
 
 const hasStorage = typeof localStorage !== 'undefined'
-const get = (key: string) =>
+const get = (key: string): boolean =>
   hasStorage ? JSON.parse(localStorage.getItem(key) || 'false') : false
 
 export const preferCompositionKey = 'vue-docs-prefer-composition'

src/.vitepress/tsconfig.json

@@ -2,7 +2,7 @@
 import { Repl, ReplStore } from '@vue/repl'
 import '@vue/repl/style.css'
 import data from './data.json'
-import { computed, inject, watchEffect, version, Ref } from 'vue'
+import { inject, watchEffect, version, Ref } from 'vue'
 
 const store = new ReplStore({
   defaultVueRuntimeURL: `https://unpkg.com/vue@${version}/dist/vue.esm-browser.js`

src/examples/ExampleRepl.vue

@@ -6,5 +6,6 @@
     "esModuleInterop": true,
     "resolveJsonModule": true,
     "allowJs": true
-  }
+  },
+  "include": ["src/**/*", "src/.vitepress/**/*"]
 }