revert(#1264): add page load progress bar (#1311)

docs/guide/theme-introduction.md

@@ -109,10 +109,9 @@ import DefaultTheme from 'vitepress/theme'
 
 export default {
   ...DefaultTheme,
-  enhanceApp(ctx) {
-    DefaultTheme.enhanceApp(ctx)
+  enhanceApp({ app }) {
     // register global components
-    ctx.app.component('MyGlobalComponent', /* ... */)
+    app.component('MyGlobalComponent', /* ... */)
   }
 }
 ```

docs/guide/using-vue.md

@@ -113,9 +113,8 @@ import DefaultTheme from 'vitepress/theme'
 
 export default {
   ...DefaultTheme,
-  enhanceApp(ctx) {
-    DefaultTheme.enhanceApp(ctx)
-    ctx.app.component('VueClickAwayExample', VueClickAwayExample)
+  enhanceApp({ app }) {
+    app.component('VueClickAwayExample', VueClickAwayExample)
   }
 }
 ```

src/client/theme-default/index.ts

@@ -6,13 +6,10 @@ import './styles/components/custom-block.css'
 import './styles/components/vp-code.css'
 import './styles/components/vp-doc.css'
 import './styles/components/vp-sponsor.css'
-import 'nprogress/nprogress.css'
-import './styles/lib-override/nprogress.css'
 
-import { Theme, inBrowser } from 'vitepress'
+import { Theme } from 'vitepress'
 import Layout from './Layout.vue'
 import NotFound from './NotFound.vue'
-import nprogress from 'nprogress'
 
 export { default as VPHomeHero } from './components/VPHomeHero.vue'
 export { default as VPHomeFeatures } from './components/VPHomeFeatures.vue'
@@ -25,30 +22,7 @@ export { default as VPTeamMembers } from './components/VPTeamMembers.vue'
 
 const theme: Theme = {
   Layout,
-  NotFound,
-  enhanceApp: ({ router }) => {
-    if (inBrowser) {
-      let timeoutId: NodeJS.Timeout
-      let called = false
-
-      router.onBeforeRouteChange = () => {
-        timeoutId = setTimeout(() => {
-          nprogress.start()
-          called = true
-        }, 500)
-      }
-
-      router.onAfterRouteChanged = () => {
-        if (timeoutId) {
-          clearTimeout(timeoutId)
-        }
-        if (called) {
-          nprogress.done(true)
-          called = false
-        }
-      }
-    }
-  }
+  NotFound
 }
 
 export default theme

theme.d.ts

@@ -1,6 +1,5 @@
 // so that users can do `import DefaultTheme from 'vitepress/theme'`
 import type { ComponentOptions } from 'vue'
-import { EnhanceAppContext } from './dist/client/index.js'
 
 export const VPHomeHero: ComponentOptions
 export const VPHomeFeatures: ComponentOptions
@@ -14,7 +13,6 @@ export const VPTeamMembers: ComponentOptions
 declare const theme: {
   Layout: ComponentOptions
   NotFound: ComponentOptions
-  enhanceApp: EnhanceAppContext
 }
 
 export default theme