better back/forward navigation WIP

docs/frontend_api/entities_note_short.js.html

@@ -73,7 +73,7 @@ class NoteShort {
         /** @param {int} */
         this.contentLength = row.contentLength;
         /** @param {boolean} */
-        this.isProtected = row.isProtected;
+        this.isProtected = !!row.isProtected;
         /** @param {string} one of 'text', 'code', 'file' or 'render' */
         this.type = row.type;
         /** @param {string} content-type, e.g. "application/json" */
@@ -131,6 +131,11 @@ class NoteShort {
         }
     }
 
+    /** @returns {string[]} */
+    getBranchIds() {
+        return Object.values(this.parentToBranch);
+    }
+
     /** @returns {Promise<Branch[]>} */
     async getBranches() {
         const branchIds = Object.values(this.parentToBranch);
@@ -468,6 +473,11 @@ class NoteShort {
 
         return dto;
     }
+
+    async getCssClass() {
+        const labels = await this.getLabels('cssClass');
+        return labels.map(l => l.value).join(' ');
+    }
 }
 
 export default NoteShort;</code></pre>