[5.x] Adds "no_results" to automatic array variables (#11234)

src/View/Antlers/Language/Runtime/NodeProcessor.php

@@ -2550,6 +2550,7 @@ protected function addLoopIterationVariables($loop)
             $value['count'] = $index + 1;
             $value['index'] = $index;
             $value['total_results'] = $total;
+            $value['no_results'] = false;
             $value['first'] = $index === 0;
             $value['last'] = $index === $lastIndex;
 

tests/Antlers/Runtime/TemplateTest.php

@@ -6,6 +6,7 @@
 use Illuminate\Contracts\Support\Arrayable;
 use Illuminate\Support\Facades\Log;
 use Illuminate\Support\MessageBag;
+use Illuminate\Support\Str;
 use Illuminate\Support\ViewErrorBag;
 use Mockery;
 use PHPUnit\Framework\Attributes\DataProvider;
@@ -22,6 +23,7 @@
 use Statamic\Fields\LabeledValue;
 use Statamic\Fields\Value;
 use Statamic\Fields\Values;
+use Statamic\Tags\Concerns\OutputsItems;
 use Statamic\Tags\Tags;
 use Statamic\View\Cascade;
 use Tests\Antlers\Fixtures\Addon\Tags\RecursiveChildren;
@@ -2599,6 +2601,77 @@ public function test_it_returns_escaped_content()
         $input = 'Hey, look at that @{{ noun }}!';
         $this->assertSame('Hey, look at that {{ noun }}!', $this->renderString($input, []));
     }
+
+    #[Test]
+    public function no_results_value_is_added_automatically()
+    {
+        (new class extends Tags
+        {
+            use OutputsItems;
+            public static $handle = 'the_tag';
+
+            public function index()
+            {
+                if ($this->params->get('has_value')) {
+                    return $this->output(collect([
+                        'one',
+                        'two',
+                        'three',
+                    ]));
+                }
+
+                return $this->parseNoResults();
+            }
+        })::register();
+
+        $template = <<<'TEMPLATE'
+{{ the_tag }}
+   {{ if no_results }}
+   No Results 1.
+    {{ the_tag has_value="true" }}
+        {{ if no_results }}
+            No Results 2.
+        {{ else }}
+            {{ value }}
+        {{ /if }}
+    {{ /the_tag }}
+    
+    {{ if no_results }} No Results 1.1 {{ /if }}
+   {{ else }}
+   Has Results 1.
+   {{ /if }}
+{{ /the_tag }}
+TEMPLATE;
+
+        $this->assertSame(
+            'No Results 1. one two three No Results 1.1',
+            Str::squish($this->renderString($template, [], true))
+        );
+
+        $template = <<<'TEMPLATE'
+{{ the_tag }}
+   {{ if no_results }}
+   No Results 1.
+    {{ the_tag has_value="true" as="items" }}
+        {{ if no_results }}
+            No Results 2.
+        {{ else }}
+            {{ items }}{{ value }} {{ /items }}
+        {{ /if }}
+    {{ /the_tag }}
+    
+    {{ if no_results }} No Results 1.1 {{ /if }}
+   {{ else }}
+   Has Results 1.
+   {{ /if }}
+{{ /the_tag }}
+TEMPLATE;
+
+        $this->assertSame(
+            'No Results 1. one two three No Results 1.1',
+            Str::squish($this->renderString($template, [], true))
+        );
+    }
 }
 
 class NonArrayableObject