From 267e70256dabd8a2d01a502cd613412fc7b0b799 Mon Sep 17 00:00:00 2001
From: Bernat Arlandis <berarma@hotmail.com>
Date: Thu, 1 Jun 2023 14:26:25 +0200
Subject: [PATCH] Allow multiple extensions for ScssFilter

---
 src/Filter/CssDependencyTrait.php | 39 ++++++++++++++++++++-----------
 src/Filter/ScssFilter.php         | 12 ++++++++--
 2 files changed, 35 insertions(+), 16 deletions(-)

diff --git a/src/Filter/CssDependencyTrait.php b/src/Filter/CssDependencyTrait.php
index 5f5b8cfe..a367b12c 100644
--- a/src/Filter/CssDependencyTrait.php
+++ b/src/Filter/CssDependencyTrait.php
@@ -42,31 +42,42 @@ public function getDependencies(AssetTarget $target, array $paths = [])
                 continue;
             }
 
-            $ext = $this->_settings['ext'];
-            $extLength = strlen($ext);
+            $extensions = $this->_settings['ext'];
+            if (is_string($extensions)) {
+                $extensions = [$extensions];
+            }
 
             $deps = [];
             foreach ($imports as $name) {
-                if ('.css' === substr($name, -4)) {
+                $importExt = '.' . pathinfo($name, PATHINFO_EXTENSION);
+                if ($importExt === '.css') {
                     // skip normal css imports
                     continue;
                 }
-                if ($ext !== substr($name, -$extLength)) {
-                    $name .= $ext;
-                }
-                $deps[] = $name;
-                if ($hasPrefix) {
-                    $prefixedName = $this->_prependPrefixToFilename($name);
-                    $deps[] = $prefixedName;
+                if (!in_array($importExt, $extensions)) {
+                    $names = [];
+                    foreach ($extensions as $extension) {
+                        $names[] = $name . $extension;
+                    }
+                } else {
+                    $names = [$name];
                 }
-                foreach ($paths as $path) {
-                    $deps[] = $path . DIRECTORY_SEPARATOR . $name;
+                foreach ($names as $name) {
+                    $deps[] = $name;
                     if ($hasPrefix) {
-                        $deps[] = $path . DIRECTORY_SEPARATOR . $prefixedName;
+                        $prefixedName = $this->_prependPrefixToFilename($name);
+                        $deps[] = $prefixedName;
+                    }
+                    foreach ($paths as $path) {
+                        $deps[] = $path . DIRECTORY_SEPARATOR . $name;
+                        if ($hasPrefix) {
+                            $deps[] = $path . DIRECTORY_SEPARATOR . $prefixedName;
+                        }
                     }
                 }
             }
             foreach ($deps as $import) {
+                $importExt = '.' . pathinfo($import, PATHINFO_EXTENSION);
                 $path = $this->_findFile($import);
                 try {
                     $file = new Local($path);
@@ -81,7 +92,7 @@ public function getDependencies(AssetTarget $target, array $paths = [])
 
                 // Only recurse through non-css imports as css files are not
                 // inlined by less/sass.
-                if ($newTarget && $ext === substr($import, -$extLength)) {
+                if ($newTarget && in_array($importExt, $extensions)) {
                     $children = array_merge($children, $this->getDependencies($newTarget));
                 }
             }
diff --git a/src/Filter/ScssFilter.php b/src/Filter/ScssFilter.php
index 494be945..2f7da796 100644
--- a/src/Filter/ScssFilter.php
+++ b/src/Filter/ScssFilter.php
@@ -30,7 +30,7 @@ class ScssFilter extends AssetFilter
     }
 
     protected $_settings = array(
-        'ext' => '.scss',
+        'ext' => ['.scss', '.sass'],
         'sass' => '/usr/bin/sass',
         'path' => '/usr/bin',
         'imports' => [],
@@ -57,9 +57,17 @@ public function getDependencies($target)
      */
     public function input($filename, $content)
     {
-        if (substr($filename, strlen($this->_settings['ext']) * -1) !== $this->_settings['ext']) {
+        $ext = '.' . pathinfo($filename, PATHINFO_EXTENSION);
+
+        $acceptedExt = $this->_settings['ext'];
+        if (is_string($acceptedExt)) {
+            $acceptedExt = [$acceptedExt];
+        }
+
+        if (!in_array($ext, $acceptedExt)) {
             return $content;
         }
+
         $filename = preg_replace('/ /', '\\ ', $filename);
         $cmd = $this->_settings['sass'];
         foreach ($this->_settings['imports'] as $path) {