Add parent checking before inserting or removing the child

components/CustomContextMenu.js

@@ -111,7 +111,9 @@ export default function CustomContextMenu(props) {
       document.body.appendChild(tempInput);
       tempInput.select();
       document.execCommand('copy');
-      document.body.removeChild(tempInput);
+      if (tempInput && tempInput.parentNode && tempInput.parentNode.contains(tempInput)) {
+        tempInput.parentNode.removeChild(tempInput);
+      }
       // alert("Text copied: " + selectedText);
     } else {
       // alert("Please select some text first.");

components/DifyChatbot.js

@@ -24,7 +24,9 @@ export default function DifyChatbot() {
     return () => {
       // 在组件卸载时清理 script 标签
       const existingScript = document.getElementById(siteConfig('DIFY_CHATBOT_TOKEN')); // 注意调用 siteConfig()
-      if (existingScript) document.body.removeChild(existingScript);
+      if (existingScript && existingScript.parentNode && existingScript.parentNode.contains(existingScript)) {
+        existingScript.parentNode.removeChild(existingScript);
+      }
     };
   }, []); // 注意依赖数组为空，意味着脚本将仅在加载页面时执行一次
 

components/FacebookMessenger.js

@@ -116,7 +116,11 @@ class MessengerCustomerChat extends Component {
             js = d.createElement(s);
             js.id = id;
             js.src = `https://connect.facebook.net/${language}/sdk/xfbml.customerchat.js`;
-            fjs.parentNode.insertBefore(js, fjs);
+            if (fjs && fjs.parentNode && fjs.parentNode.contains(fjs)) {
+              fjs.parentNode.insertBefore(js, fjs);
+            } else {
+              document.body.appendChild(js);
+            }
         })(document, 'script', 'facebook-jssdk');
         /* eslint-enable */
   }

components/PWA.js

@@ -34,7 +34,7 @@ export function PWA(post, siteInfo) {
 
   // 删除已有的 manifest link 元素（如果存在）
   const existingManifest = document.querySelector('link[rel="manifest"]')
-  if (existingManifest) {
+  if (existingManifest && existingManifest.parentNode && existingManifest.parentNode.contains(existingManifest)) {
     existingManifest.parentNode.removeChild(existingManifest)
   }
 

components/PrismMac.js

@@ -74,7 +74,7 @@ const loadPrismThemeCSS = (isDarkMode, prismThemeSwitch, prismThemeDarkPath, pri
       PRISM_PREVIOUS = prismThemeDarkPath
     }
     const previousTheme = document.querySelector(`link[href="${PRISM_PREVIOUS}"]`)
-    if (previousTheme) {
+    if (previousTheme && previousTheme.parentNode && previousTheme.parentNode.contains(previousTheme)) {
       previousTheme.parentNode.removeChild(previousTheme)
     }
     loadExternalResource(PRISM_THEME, 'css')