hello world, again

docs/.vitepress/theme/composables/nprogress.ts

@@ -0,0 +1,23 @@
+import nprogress, { type NProgress } from 'nprogress'
+import type { EnhanceAppContext } from 'vitepress'
+
+export function loadProgress(router: EnhanceAppContext['router']): NProgress {
+  if (typeof window === 'undefined') return
+
+  setTimeout(() => {
+    nprogress.configure({ showSpinner: false })
+
+    const cacheBeforeRouteChange = router.onBeforeRouteChange
+    const cacheAfterRouteChange = router.onAfterRouteChanged
+    router.onBeforeRouteChange = (to) => {
+      nprogress.start()
+      cacheBeforeRouteChange?.(to)
+    }
+    router.onAfterRouteChanged = (to) => {
+      nprogress.done()
+      cacheAfterRouteChange?.(to)
+    }
+  })
+
+  return nprogress
+}