Fix Header::can method (#1774)

src/Components/Filters/Builders/InputText.php

@@ -117,7 +117,7 @@ public function collection(Collection $collection, string $field, int|array|stri
             'is_empty' => $collection->filter(function ($row) use ($field) {
                 $row = (object) $row;
 
-                return $row->{$field} == '' || is_null($row->{$field});
+                return $row->{$field} == '' || is_null($row->{$field}); // @phpstan-ignore-line
             }),
             'is_not_empty' => $collection->filter(function ($row) use ($field) {
                 $row = (object) $row;

src/Concerns/HasActions.php

@@ -82,6 +82,8 @@ public function storeActionsHeaderInJSWindow(): void
 
         $actionsHtml = collect($this->header())
             ->transform(function (Button $action) {
+                $can = data_get($action, 'can');
+
                 return [
                     'action'         => $action->action,
                     'slot'           => $action->slot,
@@ -90,6 +92,7 @@ public function storeActionsHeaderInJSWindow(): void
                     'iconAttributes' => $action->iconAttributes,
                     'attributes'     => $action->attributes,
                     'rules'          => [],
+                    'can'            => $can instanceof \Closure ? $can() : $can,
                 ];
             });
 

tests/cypress/cypress/e2e/header/header-can.cy.js

@@ -0,0 +1,18 @@
+describe('Header can (show/hide)', () => {
+    [
+        '/header-can?powerGridTheme=tailwind',
+        '/header-can?powerGridTheme=bootstrap'
+    ].forEach((route) => {
+        beforeEach(() => {
+            cy.visit(route);
+        });
+
+        it('can se only visible header button', () => {
+            cy.get('[data-cy="btn-header-visible"]').should("be.visible");
+
+            cy.get('body').should('contain.text', 'Visible');
+
+            cy.get('body').should('not.contain.text', 'Invisible');
+        })
+    })
+});