Fix deprecation for symfony/config 4.2

Fixed the same way as in doctrine/DoctrineBundle#853
mhujer · Nov 30, 2018 · 2451969 · 2451969
1 parent ff42422
commit 2451969
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
@@ -22,8 +22,14 @@ public function __construct(
 
 	public function getConfigTreeBuilder(): TreeBuilder
 	{
-		$treeBuilder = new TreeBuilder();
-		$rootNode = $treeBuilder->root('java_script_error_handler');
+		$treeBuilder = new TreeBuilder('java_script_error_handler');
+
+		if (method_exists($treeBuilder, 'getRootNode')) {
+			$rootNode = $treeBuilder->getRootNode();
+		} else {
+			// BC layer for symfony/config 4.1 and older
+			$rootNode = $treeBuilder->root('java_script_error_handler');
+		}
 
 		// @codingStandardsIgnoreStart tree is indented for better readability
 		$rootNode