docker/l3d#58 Move project settings out of composer.json

Config.php

@@ -4,6 +4,11 @@ namespace LakeDrops\Component\Composer;
 
 use LakeDrops\Component\Dotenv\Dotenv;
 use Symfony\Component\Yaml\Yaml;
+use Twig\Error\LoaderError;
+use Twig\Error\RuntimeError;
+use Twig\Error\SyntaxError;
+use Twig_Environment;
+use Twig_Loader_Array;
 
 /**
  * Manages project config.
@@ -17,6 +22,16 @@ final class Config {
    */
   private $component;
 
+  /**
+   * @var \Twig_Loader_Array
+   */
+  private $twig_loader;
+
+  /**
+   * @var \Twig_Environment
+   */
+  private $twig;
+
   /**
    * Config constructor.
    *
@@ -26,6 +41,9 @@ final class Config {
    */
   public function __construct(string $component, array $default_values, Dotenv $env) {
     $this->component = $component;
+    $this->twig_loader = new Twig_Loader_Array([]);
+    $this->twig = new Twig_Environment($this->twig_loader);
+
     $this->init();
     $componentValues = self::$values[$component] ?? [];
     self::$values[$component] = $env->replaceEnvironmentVariables(NestedArray::mergeDeep($default_values, $componentValues));
@@ -50,7 +68,7 @@ final class Config {
    *
    * @return mixed|null
    */
-  private function readValueFromArray($values, $keys) {
+  private function readValueFromArray(array $values, array $keys) {
     $key = array_shift($keys);
     if (!isset($values[$key])) {
       return NULL;
@@ -72,4 +90,24 @@ final class Config {
     return $this->readValueFromArray(self::$values[$this->component], $parts);
   }
 
+  /**
+   * @param string $filename
+   * @param string $content
+   *
+   * @return string
+   */
+  public function render(string $filename, string $content): string {
+    $this->twig_loader->setTemplate($filename, $content);
+    try {
+      return $this->twig->render($filename, self::$values[$this->component]);
+    }
+    catch (LoaderError $e) {
+    }
+    catch (RuntimeError $e) {
+    }
+    catch (SyntaxError $e) {
+    }
+    return '';
+  }
+
 }

composer.json

@@ -27,7 +27,8 @@
         "php": ">=7.2",
         "ext-json": "*",
         "lakedrops/dotenv": "^1.5||dev-master",
-        "symfony/yaml": "^3.4||^4.4||^5.0"
+        "symfony/yaml": "^3.4||^4.4||^5.0",
+        "twig/twig": "^1.44"
     },
     "require-dev": {
         "composer/composer": "^1||^2",