feat: make sure it only work under csdn blog website

package.json

@@ -1,7 +1,7 @@
 {
   "name": "clean-csdn",
   "displayName": "Clean CSDN Blog",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "author": "Peter Xu",
   "description": "Just make csdn blog as clean as it should be",
   "type": "module",

src/background/index.ts

@@ -3,3 +3,24 @@ console.log('background is running')
 chrome.runtime.onMessage.addListener((request) => {
   chrome.tabs.reload(request.id)
 })
+
+chrome.tabs.onUpdated.addListener((tabId, changeInfo, tab) => {
+  if (changeInfo.status === 'complete') {
+    let url = new URL(tab.url!)
+    let domain = url.hostname
+
+    if (domain === 'blog.csdn.net') {
+      // 启用弹出页
+      chrome.action.setPopup({
+        tabId: tabId,
+        popup: 'popup.html', // 指定你的弹出页面
+      })
+    } else {
+      // 禁用弹出页，可以设置为空字符串或不设置popup属性
+      chrome.action.setPopup({
+        tabId: tabId,
+        popup: '', // 禁用弹出页面
+      })
+    }
+  }
+})