Update: allow to set a custom data layer variable name

Author: jordyvanderhaegen

resources/views/data-layer.blade.php

@@ -1,4 +1,4 @@
 <script>
     window.dataLayer = window.dataLayer || [];
-    window.dataLayer.push({'conversionsApiEventId': '{{ Esign\ConversionsApi\Facades\ConversionsApi::getEventId() }}'});
+    window.dataLayer.push({'{{ $dataLayerVariableName ?? 'conversionsApiEventId' }}': '{{ Esign\ConversionsApi\Facades\ConversionsApi::getEventId() }}'});
 </script>

src/ConversionsApiServiceProvider.php

@@ -25,8 +25,8 @@ public function register()
 
     protected function registerBladeDirectives(): void
     {
-        Blade::directive('conversionsApiDataLayer', function () {
-            return "<?php echo view('conversions-api::data-layer'); ?>";
+        Blade::directive('conversionsApiDataLayer', function (?string $dataLayerVariableName = null) {
+            return "<?php echo view('conversions-api::data-layer', ['dataLayerVariableName' => {$dataLayerVariableName}]); ?>";
         });
         Blade::directive('conversionsApiFacebookPixelScript', function () {
             return "<?php echo view('conversions-api::facebook-pixel-script'); ?>";

tests/ConversionsApiViewTest.php

@@ -26,6 +26,24 @@ public function it_can_render_the_data_layer_view()
         );
     }
 
+    /** @test */
+    public function it_can_contain_a_default_data_layer_variable_name()
+    {
+        $this->assertStringContainsString(
+            'conversionsApiEventId',
+            view('conversions-api::data-layer')->render()
+        );
+    }
+
+    /** @test */
+    public function it_can_use_a_custom_data_layer_variable_name()
+    {
+        $this->assertStringContainsString(
+            'customDataLayerVariableName',
+            view('conversions-api::data-layer', ['dataLayerVariableName' => 'customDataLayerVariableName'])->render()
+        );
+    }
+
     /** @test */
     public function it_can_render_the_facebook_pixel_script_view()
     {
@@ -50,4 +68,13 @@ public function it_can_render_the_facebook_pixel_script_directive()
             Blade::compileString('@conversionsApiFacebookPixelScript'),
         );
     }
+
+    /** @test */
+    public function it_can_render_the_data_layer_directive()
+    {
+        $this->assertStringContainsString(
+            "<?php echo view('conversions-api::data-layer', ['dataLayerVariableName' => 'customDataLayerVariableName']); ?>",
+            Blade::compileString("@conversionsApiDataLayer('customDataLayerVariableName')"),
+        );
+    }
 }