Add Psalm

Author: MGatner

README.md

@@ -16,7 +16,8 @@ Development toolkit for CodeIgniter libraries and projects
 
 * [NexusPHP Tachycardia](https://github.com/NexusPHP/tachycardia)
 * [PHPStan](https://phpstan.org/user-guide/getting-started)
-* [PHPUnit](http://phpunit.readthedocs.io)
+* [PHPUnit](https://phpunit.readthedocs.io)
+* [Psalm](https://psalm.dev)
 
 ### Mocking
 

composer.json

@@ -32,7 +32,8 @@
         "phpstan/phpstan-deprecation-rules": "^1.0",
         "phpstan/phpstan-phpunit": "^1.0",
         "phpunit/phpunit": "^9.3",
-        "roave/security-advisories": "dev-latest"
+        "roave/security-advisories": "dev-latest",
+        "vimeo/psalm": "^4.22"
     },
     "minimum-stability": "dev",
     "prefer-stable": true,

src/Template/psalm.xml

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+require __DIR__ . '/vendor/codeigniter4/framework/system/Test/bootstrap.php';
+
+$helperDirs = [
+    'app/Helpers',
+    'vendor/codeigniter4/framework/system/Helpers',
+];
+
+foreach ($helperDirs as $dir) {
+    $dir = __DIR__ . '/' . $dir;
+    chdir($dir);
+
+    foreach (glob('*_helper.php') as $filename) {
+        $filePath = realpath($dir . '/' . $filename);
+
+        require_once $filePath;
+    }
+}