Merge pull request #187 from ejgandelaberon/master

feat: fast excel export via Column's exportRender()

Author: yajra

Diff for: src/Services/DataTable.php

@@ -678,7 +678,13 @@ public function fastExcelCallback(): Closure
             $this->exportColumns()
                 ->reject(fn (Column $column) => $column->exportable === false)
                 ->each(function (Column $column) use (&$mapped, $row) {
-                    $mapped[$column->title] = $row[$column->data];
+                    $callback = $column->exportRender ?? null;
+
+                    if (is_callable($callback)) {
+                        $mapped[$column->title] = $callback($row, $row[$column->data]);
+                    } else {
+                        $mapped[$column->title] = $row[$column->data];
+                    }
                 });
 
             return $mapped;