feat: copy sourcemap files after postCSS()

RockFrontend.module.php

@@ -106,7 +106,7 @@ public static function getModuleInfo()
   {
     return [
       'title' => 'RockFrontend',
-      'version' => '2.17.1',
+      'version' => '2.18.0',
       'summary' => 'Module for easy frontend development',
       'autoload' => true,
       'singular' => true,
@@ -1103,6 +1103,10 @@ public function rfGrow($_data, $shrink = false): string
       $grow = "$max - $diff * $percent";
       return "clamp($min, $grow, $max)";
     } else {
+      // if scale is one we return a nicer syntax
+      if ($scale === 1 or $scale === '1') {
+        return "clamp($min, $min + $diff * $percent, $max)";
+      }
       $grow = "$min * $scale + $diff * $scale * $percent";
       return "clamp($min * $scale, $grow, $max * $scale)";
     }

StylesArray.php

@@ -144,6 +144,9 @@ private function parseLessFiles($opt)
 
   /**
    * Add some postCSS magic to css files
+   *
+   * We save generated CSS files to /site/assets as it should be writable.
+   *
    */
   public function postCSS($asset)
   {
@@ -159,6 +162,12 @@ public function postCSS($asset)
       // asset has been changed, update cached file
       $markup = $rf->postCSS($markup);
       $rf->writeAsset($newFile, $markup);
+
+      // if there is a sourcemap file for the given asset we copy it
+      // over to the new location
+      if (is_file($src = $asset->path . ".map")) {
+        $this->wire->files->copy($src, $newFile . ".map");
+      }
     }
     $asset->setPath($newFile);
     return $asset;