[~] Refactor

deps/greasyfork/linkedin.user.js

@@ -81,7 +81,7 @@ class Linkedin {
 
     if (self.data.has(entry.header))
     {
-      return;
+      return false;
     }
 
     self.data.set(entry.header, {
@@ -97,24 +97,39 @@ class Linkedin {
     console.log('saved ' + entry.header);
 
     console.log(self.data.get(entry.header));
+
+    return true;
   }
 
   async document_on_changed () {
     let self = this;
     let current_data = self.parse_header();
 
+    let changed = false;
+
     for (let o of current_data[0])
     {
-      await self.data_add(o);
+      let current_changed = await self.data_add(o);
+      if (current_changed)
+      {
+        changed = current_changed;
+      }
     }
 
     for (let o of current_data[1])
     {
-      await self.data_add(o);
+      let current_changed = await self.data_add(o);
+      if (current_changed)
+      {
+        changed = current_changed;
+      }
     }
 
+    if (changed || (self.ui.root.length == 0 && self.data.size() > 0))
+    {
       self.display();
     }
+  }
 
   listener_add() {
     let self = this;