Make Psalm happy

Author: heiglandreas

README.md

@@ -1,5 +1,7 @@
 # Composer-Distributor
 
+![Build](https://github.com/phar-io/composer-distributor/workflows/Build/badge.svg)
+
 The base-code to create a ComposerPlugin that installs PHAR files
 instead of the whole source code of a project.
 

psalm.xml

@@ -52,5 +52,6 @@
     <!--        <RawObjectIteration errorLevel="info" />-->
 
     <!--        <InvalidStringClass errorLevel="info" />-->
+      <RedundantCast errorLevel="info"/>
   </issueHandlers>
 </psalm>

src/Config/InvalidXML.php

@@ -11,7 +11,7 @@ final class InvalidXML extends RuntimeException
     /**
      * @param \LibXMLError[] $errors
      */
-    public static function fromXMLErrors(array $errors): InvalidXml
+    public static function fromXMLErrors(array $errors): self
     {
         $message = 'Error loading config file' . PHP_EOL;
 

src/Config/Mapper.php

@@ -26,7 +26,7 @@ public function createConfig(DOMDocument $docDocument): Config
         );
     }
 
-    private function validateConfigurationAgainstSchema()
+    private function validateConfigurationAgainstSchema(): void
     {
         $original    = \libxml_use_internal_errors(true);
         $xsdFilename = __DIR__ . '/../../distributor.xsd';

src/PluginBase.php

@@ -19,18 +19,33 @@ abstract class PluginBase implements PluginInterface, EventSubscriberInterface
 
     protected $io;
 
+    /**
+     * @param Composer $composer
+     * @param IOInterface $io
+     * @return void
+     */
     public function activate(Composer $composer, IOInterface $io)
     {
         $this->composer = $composer;
         $this->io = $io;
     }
 
+    /**
+     * @param Composer $composer
+     * @param IOInterface $io
+     * @return void
+     */
     public function deactivate(Composer $composer, IOInterface $io)
     {
         $this->composer = $composer;
         $this->io = $io;
     }
 
+    /**
+     * @param Composer $composer
+     * @param IOInterface $io
+     * @return void
+     */
     public function uninstall(Composer $composer, IOInterface $io)
     {
         $this->composer = $composer;