Fix psalm issues

Author: roxblnfk

composer.json

@@ -46,7 +46,8 @@
     "scripts": {
         "cs:fix": "php-cs-fixer fix -v",
         "test": "phpunit",
-        "psalm": "psalm"
+        "psalm": "psalm",
+        "psalm:baseline": "psalm --set-baseline=psalm-baseline.xml"
     },
     "config": {
         "sort-packages": true

psalm-baseline.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<files psalm-version="6.10.1@f9fd6bc117e9ce1e854c2ed6777e7135aaa4966b">
+  <file src="src/Attribute/Field.php">
+    <ClassMustBeFinal>
+      <code><![CDATA[Field]]></code>
+    </ClassMustBeFinal>
+  </file>
+  <file src="src/Exception/DefinitionException.php">
+    <ClassMustBeFinal>
+      <code><![CDATA[DefinitionException]]></code>
+    </ClassMustBeFinal>
+  </file>
+  <file src="src/Exception/GeneratorException.php">
+    <ClassMustBeFinal>
+      <code><![CDATA[GeneratorException]]></code>
+    </ClassMustBeFinal>
+  </file>
+  <file src="src/Exception/InvalidTypeException.php">
+    <ClassMustBeFinal>
+      <code><![CDATA[InvalidTypeException]]></code>
+    </ClassMustBeFinal>
+  </file>
+  <file src="src/Generator.php">
+    <ClassMustBeFinal>
+      <code><![CDATA[Generator]]></code>
+    </ClassMustBeFinal>
+  </file>
+</files>

psalm.xml

@@ -3,6 +3,7 @@
        xmlns="https://getpsalm.org/schema/config"
        xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
        errorLevel="2"
+       errorBaseline="psalm-baseline.xml"
        findUnusedCode="false"
        findUnusedBaselineEntry="true"
 >
@@ -13,10 +14,6 @@
         </ignoreFiles>
     </projectFiles>
     <issueHandlers>
-        <UndefinedAttributeClass>
-            <errorLevel type="suppress">
-                <referencedClass name="JetBrains\PhpStorm\ExpectedValues" />
-            </errorLevel>
-        </UndefinedAttributeClass>
+        <MissingOverrideAttribute errorLevel="suppress" />
     </issueHandlers>
 </psalm>

src/Schema/Reference.php

@@ -19,13 +19,8 @@ public function __construct(
 
     public function jsonSerialize(): string
     {
-        if (!\strrpos($this->className, '\\')) {
-            return '#/definitions/' . $this->className;
-        }
+        $pos = \strrpos($this->className, '\\');
 
-        // basename of the class
-        $basename = \substr($this->className, (int) \strrpos($this->className, '\\') + 1);
-
-        return '#/definitions/' . $basename;
+        return '#/definitions/' . ($pos === false ? $this->className : \substr($this->className, $pos + 1));
     }
 }