From c14c696e7e89378027ac96d32d006ed134d6ab5e Mon Sep 17 00:00:00 2001
From: Mateusz Zalewski <zaleslaw@gmail.com>
Date: Fri, 17 Oct 2025 12:31:55 +0200
Subject: [PATCH] [Icons] Do not fail application if there is not internet
 connection

---
 src/Icons/src/Twig/UXIconRuntime.php            |  5 +++++
 src/Icons/tests/Unit/Twig/UXIconRuntimeTest.php | 16 ++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/src/Icons/src/Twig/UXIconRuntime.php b/src/Icons/src/Twig/UXIconRuntime.php
index edaffd8bf5b..0a84d810653 100644
--- a/src/Icons/src/Twig/UXIconRuntime.php
+++ b/src/Icons/src/Twig/UXIconRuntime.php
@@ -12,6 +12,7 @@
 namespace Symfony\UX\Icons\Twig;
 
 use Psr\Log\LoggerInterface;
+use Symfony\Component\HttpClient\Exception\TransportException;
 use Symfony\UX\Icons\Exception\IconNotFoundException;
 use Symfony\UX\Icons\IconRendererInterface;
 use Twig\Extension\RuntimeExtensionInterface;
@@ -45,6 +46,10 @@ public function renderIcon(string $name, array $attributes = []): string
             }
 
             throw $e;
+        } catch (TransportException $e) {
+            $this->logger?->warning($e->getMessage());
+
+            return '';
         }
     }
 
diff --git a/src/Icons/tests/Unit/Twig/UXIconRuntimeTest.php b/src/Icons/tests/Unit/Twig/UXIconRuntimeTest.php
index dd82853d3a4..3183ee066cf 100644
--- a/src/Icons/tests/Unit/Twig/UXIconRuntimeTest.php
+++ b/src/Icons/tests/Unit/Twig/UXIconRuntimeTest.php
@@ -13,6 +13,7 @@
 
 use PHPUnit\Framework\TestCase;
 use Psr\Log\LoggerInterface;
+use Symfony\Component\HttpClient\Exception\TransportException;
 use Symfony\UX\Icons\Exception\IconNotFoundException;
 use Symfony\UX\Icons\IconRendererInterface;
 use Symfony\UX\Icons\Twig\UXIconRuntime;
@@ -40,4 +41,19 @@ public function testRenderIconIgnoreNotFound()
         $this->expectException(IconNotFoundException::class);
         $runtime->renderIcon('not_found');
     }
+
+    public function testRenderIconReturnsEmptyStringIfConnectionIsNotPossible()
+    {
+        $renderer = $this->createMock(IconRendererInterface::class);
+        $renderer->method('renderIcon')
+            ->willThrowException(new TransportException('Could not resolve host api.iconify.design'));
+
+        $logger = $this->createMock(LoggerInterface::class);
+        $logger->expects($this->once())
+            ->method('warning')
+            ->with('Could not resolve host api.iconify.design');
+
+        $runtime = new UXIconRuntime($renderer, true, $logger);
+        $this->assertEquals('', $runtime->renderIcon('tabler:search'));
+    }
 }