From 3908e824098e861a5b64465837e68eb962d1c600 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vojt=C4=9Bch=20Dobe=C5=A1?= <me@vojtechdobes.com>
Date: Wed, 4 Jun 2025 09:17:12 +0200
Subject: [PATCH 1/2] List invalid schema errors as tips

---
 src/GraphQL/CorrespondanceRule.php   | 17 ++++++++++++++---
 src/GraphQL/SchemaClassGenerator.php | 11 ++++++++++-
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/src/GraphQL/CorrespondanceRule.php b/src/GraphQL/CorrespondanceRule.php
index c2d6f66..ee75d9b 100644
--- a/src/GraphQL/CorrespondanceRule.php
+++ b/src/GraphQL/CorrespondanceRule.php
@@ -45,12 +45,23 @@ public function processNode(PhpParser\Node $node, PHPStan\Analyser\Scope $scope)
 			}
 
 			if ($this->reflectionProvider->hasClass($invalidClassName)) {
-				$result[] = PHPStan\Rules\RuleErrorBuilder::message("GraphQL schema isn't valid.")
+				$ruleError = PHPStan\Rules\RuleErrorBuilder::message("GraphQL schema isn't valid.")
 					->identifier('graphql.schemaInvalid')
 					->file($schemaName)
 					->line(0)
-					->nonIgnorable()
-					->build();
+					->nonIgnorable();
+
+				$errors = $this->reflectionProvider
+					->getClass($invalidClassName)
+					->getNativeProperty('errors')
+					->getNativeReflection()
+					->getDefaultValue();
+
+				foreach ($errors as $error) {
+					$ruleError = $ruleError->addTip($error['message']);
+				}
+
+				$result[] = $ruleError->build();
 
 				continue;
 			}
diff --git a/src/GraphQL/SchemaClassGenerator.php b/src/GraphQL/SchemaClassGenerator.php
index bc05afd..31c9c76 100644
--- a/src/GraphQL/SchemaClassGenerator.php
+++ b/src/GraphQL/SchemaClassGenerator.php
@@ -57,7 +57,16 @@ private function generateInvalidSchemaClass(
 		$file = new Nette\PhpGenerator\PhpFile();
 		$file->setStrictTypes();
 
-		$file->addClass($invalidClassName);
+		$class = $file->addClass($invalidClassName);
+
+		$class->addProperty('errors')
+			->setPublic()
+			->setValue(
+				array_map(
+					static fn ($error) => $error->toResponse(),
+					$e->errors,
+				),
+			);
 
 		Nette\Utils\FileSystem::write(
 			"{$this->generatedDir}/{$invalidClassName}.php",

From e1de535e02696212001c23afe7fde2796e412715 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vojt=C4=9Bch=20Dobe=C5=A1?= <me@vojtechdobes.com>
Date: Wed, 4 Jun 2025 09:27:53 +0200
Subject: [PATCH 2/2] Remove dot from "invalid schema" error

---
 src/GraphQL/CorrespondanceRule.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/GraphQL/CorrespondanceRule.php b/src/GraphQL/CorrespondanceRule.php
index ee75d9b..e3e8e9f 100644
--- a/src/GraphQL/CorrespondanceRule.php
+++ b/src/GraphQL/CorrespondanceRule.php
@@ -45,7 +45,7 @@ public function processNode(PhpParser\Node $node, PHPStan\Analyser\Scope $scope)
 			}
 
 			if ($this->reflectionProvider->hasClass($invalidClassName)) {
-				$ruleError = PHPStan\Rules\RuleErrorBuilder::message("GraphQL schema isn't valid.")
+				$ruleError = PHPStan\Rules\RuleErrorBuilder::message("GraphQL schema isn't valid")
 					->identifier('graphql.schemaInvalid')
 					->file($schemaName)
 					->line(0)