Add allow exclude dir when composer class finder is used

composer.json

@@ -22,7 +22,7 @@
         }
     ],
     "require": {
-        "php": "^7.4||^8.01",
+        "php": "^7.4||^8.0",
         "doctrine/annotations": "^1.13",
         "psr/simple-cache": "^1.0",
         "symfony/cache": "^5.4",

src/Finder/ComposerClassFinder.php

@@ -8,8 +8,14 @@
 
 class ComposerClassFinder implements ClassFinder
 {
+    use ExcludeTrait;
+
     public function getClassesNames(string $basePath): array
     {
-        return array_keys(ClassMapGenerator::createMap($basePath));
+        $map = $this->excludeRegex
+            ? ClassMapGenerator::createMap($basePath, $this->excludeRegex)
+            : ClassMapGenerator::createMap($basePath);
+
+        return array_keys($map);
     }
 }

src/Finder/DirectoryIteratorClassFinder.php

@@ -10,7 +10,7 @@
 
 class DirectoryIteratorClassFinder implements ClassFinder
 {
-    private ?string $excludeRegex = null;
+    use ExcludeTrait;
 
     public function getClassesNames(string $basePath): array
     {
@@ -36,11 +36,6 @@ public function getClassesNames(string $basePath): array
         return $classesNames;
     }
 
-    public function setExcludeRegex(string $regex): void
-    {
-        $this->excludeRegex = $regex;
-    }
-
     private function getClassNameFromFile(string $fileName): ?string
     {
         return ClassNameFromPathGenerator::getFullClassNameFromFile($fileName);

src/Finder/ExcludeTrait.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AnnotationsScanner\Finder;
+
+trait ExcludeTrait
+{
+    private ?string $excludeRegex = null;
+
+    public function setExcludeRegex(string $regex): void
+    {
+        $this->excludeRegex = $regex;
+    }
+}

src/Scanner/AbstractAnnotationScanner.php

@@ -24,6 +24,12 @@ protected function getClassFinder(string $scanMethod): ClassFinder
             return $scanner;
         }
 
-        return new ComposerClassFinder();
+        $scanner = new ComposerClassFinder();
+
+        if ($this->excludeDirectoriesRegex) {
+            $scanner->setExcludeRegex($this->excludeDirectoriesRegex);
+        }
+
+        return $scanner;
     }
 }

src/Scanner/ScannerBuilder.php

@@ -66,10 +66,6 @@ public function build(): AnnotationScanner
             throw BasePathMustBeSetException::create();
         }
 
-        if ($this->excludeDirsRegex && $this->scanMethod == ScanMethod::COMPOSER) {
-            throw new ExcludeDirsNotAvailableException('Exclude function available only when directory scan method is in use');
-        }
-
         $collection = new AnnotationsToSearchCollection(new ArrayIterator($this->annotationsToSearchFor));
 
         if ($this->reader) {