退场过渡

src/client.js

@@ -200,8 +200,9 @@ export default class ClientList {
                 debug = true
             }
         })
-        document.addEventListener('keyup', event => {
+        document.addEventListener('keyup', async event => {
             if (document.activeElement === document.body && event.key === 'Escape' && debug) {
+                await debugElement.animate([{ opacity: 1 }, { opacity: 0 }], { duration: 100 }).finished
                 document.body.removeChild(debugElement)
                 debug = false
             }