add key()

Signed-off-by: Kenneth Obsequio <k80308392@gmail.com>

src/utils/excel.util.js

@@ -3,15 +3,34 @@ import * as XLSX from "xlsx";
 
 const SKIP_IDS = new Set(["select", "actions"]);
 
+// ─── Flatten a value into something a spreadsheet cell can display ────────────
+// Array-of-object columns (e.g. `groups`: [{group_id, name, group_code}]) would
+// otherwise hit Array.prototype.toString → "[object Object]" per item.
+function flattenForExport(value) {
+  if (Array.isArray(value)) {
+    return value
+      .map((item) => (item && typeof item === "object")
+        ? (item.name ?? item.label ?? item.group_code ?? JSON.stringify(item))
+        : item)
+      .join(", ");
+  }
+  if (value && typeof value === "object") {
+    return value.name ?? value.label ?? JSON.stringify(value);
+  }
+  return value;
+}
+
 // ─── Resolve dot-notation or direct key from a row ────────────────────────────
 function resolveValue(row, key) {
   if (!key) return "";
 
   // ─── Try direct key first e.g. "email", "acc_type" ────────────────────────
-  if (key in row) return row[key] ?? "";
+  const raw = key in row
+    ? row[key]
+    // ─── Dot-notation fallback e.g. "personal_info.name.full_name" ──────────
+    : key.split(".").reduce((acc, part) => acc?.[part] ?? "", row);
 
-  // ─── Dot-notation fallback e.g. "personal_info.name.full_name" ────────────
-  return key.split(".").reduce((acc, part) => acc?.[part] ?? "", row) ?? "";
+  return flattenForExport(raw) ?? "";
 }
 
 // ─── Flatten a nested row based on attributes ─────────────────────────────────