feat(console): update flextype bin script #543

bin/flextype

@@ -1,12 +1,58 @@
 #!/usr/bin/env php
 <?php declare(strict_types=1);
 
-require __DIR__ . '/vendor/autoload.php';
+/**
+ * Flextype (https://flextype.org)
+ * Founded by Sergey Romanenko and maintained by Flextype Community.
+ */
 
-use Symfony\Component\Console\Application;
+namespace Flextype;
 
-$application = new Application();
+/**
+ * Define the application minimum supported PHP version.
+ */
+define('FLEXTYPE_MINIMUM_PHP', '7.4.0');
 
-// ... register commands
+/**
+ * Define the PATH to the root directory (without trailing slash).
+ */
+define('ROOT_DIR', str_replace(DIRECTORY_SEPARATOR, '/', getcwd()));
 
-$application->run();
+/**
+ * Define the PATH (without trailing slash).
+ */
+define('PATH', [
+    'project' => ROOT_DIR . '/project',
+    'tmp'     => ROOT_DIR . '/var/tmp',
+]);
+
+/**
+ * Check PHP Version
+ */
+version_compare($ver = PHP_VERSION, $req = FLEXTYPE_MINIMUM_PHP, '<') and exit(sprintf('You are running PHP %s, but Flextype needs at least <strong>PHP %s</strong> to run.', $ver, $req));
+
+/**
+ * Ensure vendor libraries exist
+ */
+! is_file($flextypeAutoload = ROOT_DIR . '/vendor/autoload.php') and exit('Please run: <i>composer install</i> for flextype');
+
+/**
+ * Register The Auto Loader
+ *
+ * Composer provides a convenient, automatically generated class loader for
+ * our application. We just need to utilize it! We'll simply require it
+ * into the script here so that we don't have to worry about manual
+ * loading any of our classes later on. It feels nice to relax.
+ * Register The Auto Loader
+ */
+$flextypeLoader = require_once $flextypeAutoload;
+
+/**
+ * Bootstraps the Flextype
+ *
+ * This bootstraps the Flextype and gets it ready for use, then it
+ * will load up this application so that we can run it and send
+ * the responses back to the browser and delight our users.
+ */
+
+require_once ROOT_DIR . '/src/flextype/flextype.php';