fix publicUrl nullability

Author: jiripudil

src/DI/WebpackExtension.php

@@ -97,7 +97,7 @@ public function loadConfiguration(): void
 			->setFactory(DevServer::class, [
 				$config['devServer']['enabled'],
 				$config['devServer']['url'] ?? '',
-				$config['devServer']['publicUrl'] ?? '',
+				$config['devServer']['publicUrl'],
 				$config['devServer']['timeout'],
 				new Statement(Client::class),
 			]);

src/DevServer.php

@@ -27,7 +27,7 @@ class DevServer
 	private $url;
 
 	/**
-	 * @var string
+	 * @var ?string
 	 */
 	private $publicUrl;
 
@@ -42,7 +42,7 @@ class DevServer
 	private $httpClient;
 
 
-	public function __construct(bool $enabled, string $url, string $publicUrl, float $timeout, ClientInterface $httpClient)
+	public function __construct(bool $enabled, string $url, ?string $publicUrl, float $timeout, ClientInterface $httpClient)
 	{
 		$this->enabled = $enabled;
 		$this->url = $url;

tests/WebpackNetteAdapter/DevServerTest.phpt

@@ -38,8 +38,9 @@ class DevServerTest extends TestCase
 
 	public function testDevServer(): void
 	{
-		$devServer = new DevServer(TRUE, 'http://localhost:3000', '', 0.1, $this->httpClient);
+		$devServer = new DevServer(TRUE, 'http://localhost:3000', NULL, 0.1, $this->httpClient);
 		Assert::true($devServer->isEnabled());
+		Assert::same($devServer->getUrl(), 'http://localhost:3000');
 
 		$this->httpClient->shouldReceive('request')
 			->with('GET', 'http://localhost:3000', ['http_errors' => FALSE, 'verify' => FALSE, 'timeout' => 0.1])
@@ -64,7 +65,7 @@ class DevServerTest extends TestCase
 
 	public function testUnavailable(): void
 	{
-		$devServer = new DevServer(TRUE, 'http://localhost:3000', '', 0.5, $this->httpClient);
+		$devServer = new DevServer(TRUE, 'http://localhost:3000', NULL, 0.5, $this->httpClient);
 		Assert::true($devServer->isEnabled());
 
 		$this->httpClient->shouldReceive('request')
@@ -76,7 +77,7 @@ class DevServerTest extends TestCase
 
 	public function testDisabled(): void
 	{
-		$devServer = new DevServer(FALSE, 'http://localhost:3000', '', 0.1, $this->httpClient);
+		$devServer = new DevServer(FALSE, 'http://localhost:3000', NULL, 0.1, $this->httpClient);
 		Assert::false($devServer->isEnabled());
 		Assert::false($devServer->isAvailable());
 	}