HTMX support (#1629)

* Prevent duplicate debugbar on HTMX request with a target

* Adding tests for HTMX requests

Author: rojtjo

src/LaravelDebugbar.php

@@ -852,8 +852,10 @@ protected function isDebugbarRequest()
      */
     protected function isJsonRequest(Request $request)
     {
-        // If XmlHttpRequest or Live, return true
-        if ($request->isXmlHttpRequest() || $request->headers->has('X-Livewire')) {
+        // If XmlHttpRequest, Live or HTMX, return true
+        if ($request->isXmlHttpRequest() ||
+            $request->headers->has('X-Livewire') ||
+            ($request->headers->has('Hx-Request') && $request->headers->has('Hx-Target'))) {
             return true;
         }
 

tests/DebugbarTest.php

@@ -52,4 +52,25 @@ public function testItDoesntInjectOnJson()
         $this->assertFalse(Str::contains($crawler->content(), 'debugbar'));
         $this->assertEquals(200, $crawler->getStatusCode());
     }
+
+    public function testItDoesntInjectsOnHxRequestWithHxTarget()
+    {
+        $crawler = $this->get('web/html', [
+            'Hx-Request' => 'true',
+            'Hx-Target' => 'main',
+        ]);
+
+        $this->assertFalse(Str::contains($crawler->content(), 'debugbar'));
+        $this->assertEquals(200, $crawler->getStatusCode());
+    }
+
+    public function testItInjectsOnHxRequestWithoutHxTarget()
+    {
+        $crawler = $this->get('web/html', [
+            'Hx-Request' => 'true',
+        ]);
+
+        $this->assertTrue(Str::contains($crawler->content(), 'debugbar'));
+        $this->assertEquals(200, $crawler->getStatusCode());
+    }
 }