Update src/app/components/table-of-content/table-of-content.component.ts

Co-authored-by: Robinson Zimmermann <[email protected]>

src/app/components/table-of-content/table-of-content.component.ts

@@ -31,7 +31,7 @@ export class TableOfContentComponent implements AfterViewInit {
     this.dataSource.data = headers;
     this.treeControl.expandAll();
     if (headers.length) {
-      this.createOffsets(headers);
+      this.offsetHeaders = this.createOffsets(headers);
       this.checkFirstHeader();
     }
   }