add: php composer management

vendor/composer/installers/src/Composer/Installers/MajimaInstaller.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Composer\Installers;
+
+/**
+ * Plugin/theme installer for majima
+ * @author David Neustadt
+ */
+class MajimaInstaller extends BaseInstaller
+{
+    /** @var array<string, string> */
+    protected $locations = array(
+        'plugin' => 'plugins/{$name}/',
+    );
+
+    /**
+     * Transforms the names
+     *
+     * @param array<string, string> $vars
+     * @return array<string, string>
+     */
+    public function inflectPackageVars(array $vars): array
+    {
+        return $this->correctPluginName($vars);
+    }
+
+    /**
+     * Change hyphenated names to camelcase
+     *
+     * @param array<string, string> $vars
+     * @return array<string, string>
+     */
+    private function correctPluginName(array $vars): array
+    {
+        $camelCasedName = preg_replace_callback('/(-[a-z])/', function ($matches) {
+            return strtoupper($matches[0][1]);
+        }, $vars['name']);
+
+        if (null === $camelCasedName) {
+            throw new \RuntimeException('Failed to run preg_replace_callback: '.preg_last_error());
+        }
+
+        $vars['name'] = ucfirst($camelCasedName);
+        return $vars;
+    }
+}