Patch currentBoard doesn't exist when logout

client/components/main/editor.js

@@ -9,10 +9,12 @@ Template.editor.onRendered(() => {
       match: /\B@([\w.]*)$/,
       search(term, callback) {
         const currentBoard = Boards.findOne(Session.get('currentBoard'));
-        callback(currentBoard.activeMembers().map((member) => {
-          const username = Users.findOne(member.userId).username;
-          return username.includes(term) ? username : null;
-        }).filter(Boolean));
+        if (currentBoard) {
+          callback(currentBoard.activeMembers().map((member) => {
+            const username = Users.findOne(member.userId).username;
+            return username.includes(term) ? username : null;
+          }).filter(Boolean));
+        }
       },
       template(value) {
         return value;
@@ -37,6 +39,9 @@ const at = HTML.CharRef({html: '@', str: '@'});
 Blaze.Template.registerHelper('mentions', new Template('mentions', function() {
   const view = this;
   const currentBoard = Boards.findOne(Session.get('currentBoard'));
+  if (!currentBoard) {
+    return HTML.Raw("");
+  }
   const knowedUsers = currentBoard.members.map((member) => {
     const u = Users.findOne(member.userId);
     if(u){