Initial commit - Horux Despachos NL

apps/web/lib/export-excel.ts

@@ -0,0 +1,30 @@
+import * as XLSX from 'xlsx';
+import { saveAs } from 'file-saver';
+
+interface ExcelColumn {
+  header: string;
+  key: string;
+  width?: number;
+}
+
+export function exportToExcel(
+  data: Record<string, any>[],
+  columns: ExcelColumn[],
+  filename: string,
+) {
+  const rows = data.map((row) =>
+    Object.fromEntries(columns.map((col) => [col.header, row[col.key] ?? '']))
+  );
+
+  const ws = XLSX.utils.json_to_sheet(rows);
+
+  // Aplicar anchos de columna
+  ws['!cols'] = columns.map((col) => ({ wch: col.width || 15 }));
+
+  const wb = XLSX.utils.book_new();
+  XLSX.utils.book_append_sheet(wb, ws, 'Datos');
+
+  const buf = XLSX.write(wb, { bookType: 'xlsx', type: 'array' });
+  const blob = new Blob([buf], { type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' });
+  saveAs(blob, `${filename}.xlsx`);
+}