refactoring

docs/batchCodeTable.js

@@ -127,10 +127,7 @@ class BatchCodeTableInitializer {
                 return json;
             })
             .then(json => {
-                this.#batchCodeTable
+                this.#_setTableRows(json.data)
-                    .clear()
-                    .rows.add(json.data)
-                    .draw();
                 this.#selectInput();
             });
     }
@@ -140,6 +137,13 @@ class BatchCodeTableInitializer {
         json.data.forEach(row => row.unshift(null));
     }
 
+    #_setTableRows(rows) {
+        this.#batchCodeTable
+            .clear()
+            .rows.add(rows)
+            .draw();
+    }
+
     #selectInput() {
         const input = document.querySelector(".dataTables_filter input");
         input.focus();