From 656df5c7615a94eccc4c7b59e8c63dc989a84391 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=B6=E8=BF=9C=E6=96=B9?= <yangpanteng@gmail.com>
Date: Sun, 18 Jun 2023 02:03:07 +0800
Subject: [PATCH] chore: replace Map by WeakMap (#2499)

---
 src/client/app/composables/copyCode.ts | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/client/app/composables/copyCode.ts b/src/client/app/composables/copyCode.ts
index 8d3afb52..1b679359 100644
--- a/src/client/app/composables/copyCode.ts
+++ b/src/client/app/composables/copyCode.ts
@@ -2,13 +2,12 @@ import { inBrowser } from 'vitepress'
 
 export function useCopyCode() {
   if (inBrowser) {
-    const timeoutIdMap: Map<HTMLElement, NodeJS.Timeout> = new Map()
+    const timeoutIdMap: WeakMap<HTMLElement, NodeJS.Timeout> = new WeakMap()
     window.addEventListener('click', (e) => {
       const el = e.target as HTMLElement
       if (el.matches('div[class*="language-"] > button.copy')) {
         const parent = el.parentElement
-        const sibling = el.nextElementSibling
-          ?.nextElementSibling as HTMLPreElement | null
+        const sibling = el.nextElementSibling?.nextElementSibling
         if (!parent || !sibling) {
           return
         }