Update panel.js

mods/outliner/panel.js

@@ -10,12 +10,6 @@
 const { createElement } = require("../../pkg/helpers");
 
 module.exports = (store) => {   
-  function initOutliner() {
-    // Find headers when switching panels
-    if (document.querySelector('.notion-page-content')) {
-      startContentObserver();
-    };
-
   // Observe for page changes
   const pageObserver = new MutationObserver((list, observer) => {
     for ( let { addedNodes } of list) {
@@ -32,10 +26,6 @@ module.exports = (store) => {
       } 
     }
   });
-    pageObserver.observe(document.body, {
-      childList: true,
-      subtree: true,
-    });
 
   // Observe for header changes
   const contentObserver = new MutationObserver((list, observer) => {
@@ -56,6 +46,7 @@ module.exports = (store) => {
       ) findHeaders();
     })
   });
+
   function startContentObserver() {
     findHeaders();
     contentObserver.disconnect();
@@ -68,14 +59,10 @@ module.exports = (store) => {
       }
     );
   }
-  }
 
   function findHeaders() {
     const outline = document.querySelector('.outliner');
-    if (!outline) {
+    if (!outline) return;
-      pageObserver.disconnect();
-      observer.disconnect();
-    }
     outline.textContent = '';
 
     const pageContent = document.querySelector('.notion-page-content');
@@ -111,5 +98,20 @@ module.exports = (store) => {
     return placeholder.includes('Heading');
   }
 
-  return initOutliner;
+  return {
+    onLoad() {
+      // Find headers when switching panels
+      if (document.querySelector('.notion-page-content')) {
+        startContentObserver();
+      };    
+      pageObserver.observe(document.body, {
+        childList: true,
+        subtree: true,
+      });
+    },
+    onSwitch() {
+      pageObserver.disconnect();
+      contentObserver.disconnect();
+    }
+  }
 }