export single note as markdown, #166

src/entities/note.js

@@ -482,6 +482,13 @@ class Note extends Entity {
         return await repository.getEntities("SELECT * FROM branches WHERE isDeleted = 0 AND noteId = ?", [this.noteId]);
     }
 
+    /**
+     * @returns {boolean} - true if note has children
+     */
+    async hasChildren() {
+        return (await this.getChildNotes()).length > 0;
+    }
+
     /**
      * @returns {Promise<Note[]>} child notes of this note
      */