Add support for lumen

src/Lumen.php

@@ -0,0 +1,27 @@
+<?php
+
+if (! function_exists('config_path')) {
+    /**
+     * Get the configuration path.
+     *
+     * @param  string $path
+     * @return string
+     */
+    function config_path($path = '')
+    {
+        return app()->basePath() . '/config' . ($path ? '/' . $path : $path);
+    }
+}
+
+if (! function_exists('public_path')) {
+    /**
+     * Return the path to public dir.
+     *
+     * @param null $path
+     * @return string
+     */
+    function public_path($path = null)
+    {
+        return rtrim(app()->basePath('public/' . $path), '/');
+    }
+}

src/ServiceProvider.php

@@ -42,6 +42,10 @@ public function register()
 
     public function boot()
     {
+        if ($this->isLumen()) {
+            require_once 'Lumen.php';
+        }
+
         $this->loadViewsFrom(__DIR__ . '/views', 'laravel-report-generator');
 
         $this->publishes([
@@ -73,4 +77,8 @@ public function provides()
         return [];
     }
 
+    protected function isLumen()
+    {
+        return str_contains($this->app->version(), 'Lumen');
+    }
 }