From 9482d02903c2c92e745c04f56f15ec3a417163e9 Mon Sep 17 00:00:00 2001
From: Jakub Wolniewicz <jakub.wolniewicz@gmail.com>
Date: Tue, 11 May 2021 18:39:29 +0200
Subject: [PATCH] Allow forward slashes inside integrity attribute

---
 src/Middleware/RemoveComments.php       | 2 +-
 tests/Boilerplate/index.html            | 2 ++
 tests/Middleware/RemoveCommentsTest.php | 5 +++++
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/Middleware/RemoveComments.php b/src/Middleware/RemoveComments.php
index f6e476c..9c5d609 100644
--- a/src/Middleware/RemoveComments.php
+++ b/src/Middleware/RemoveComments.php
@@ -4,7 +4,7 @@
 
 class RemoveComments extends PageSpeed
 {
-    const REGEX_MATCH_JS_AND_CSS_COMMENTS = '/(?:(?:\/\*(?:[^*]|(?:\*+[^*\/]))*\*+\/)|(?:(?<!\:|\\\|\'|\")\/\/.*))/';
+    const REGEX_MATCH_JS_AND_CSS_COMMENTS = '/(?:(?:\/\*(?:[^*]|(?:\*+[^*\/]))*\*+\/)|(?:(?<!\:|\\\|\'|\"|[integrity])\/\/.*))/';
     const REGEX_MATCH_HTML_COMMENTS = '/<!--[^]><!\[](.*?)[^\]]-->/s';
 
     public function apply($buffer)
diff --git a/tests/Boilerplate/index.html b/tests/Boilerplate/index.html
index 676e5ab..70f663b 100644
--- a/tests/Boilerplate/index.html
+++ b/tests/Boilerplate/index.html
@@ -85,6 +85,8 @@ <h1>Test Background Image</h1>
 
         <script src="https://github.com/renatomarinho/laravel-page-speed/test/Boilerplate/js/vendor/modernizr-3.5.0.min.js"></script>
         <script src="https://code.jquery.com/jquery-3.2.1.min.js" integrity="sha256-hwg4gsxgFZhOsEEamdOYGBf13FyQuiTwlAQgxVSNgt4=" crossorigin="anonymous"></script>
+        <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.min.js" integrity="sha384-+YQ4JLhjyBLPDQt//I+STsc9iw4uQqACwlvpslubQzn4u2UU2UFM80nGisd026JF" crossorigin="anonymous"></script>
+
         <script>window.jQuery || document.write('<script src="js/vendor/jquery-3.2.1.min.js"><\/script>')</script>
         <script src="https://github.com/renatomarinho/laravel-page-speed/test/Boilerplate/js/plugins.js" data-pagespeed-no-defer></script>
         <script src="https://github.com/renatomarinho/laravel-page-speed/test/Boilerplate/js/main.js"></script>
diff --git a/tests/Middleware/RemoveCommentsTest.php b/tests/Middleware/RemoveCommentsTest.php
index 2f1994e..d75c90d 100644
--- a/tests/Middleware/RemoveCommentsTest.php
+++ b/tests/Middleware/RemoveCommentsTest.php
@@ -125,5 +125,10 @@ public function testRemoveJsComments()
         $this->assertStringContainsString("console.log('Laravel');", $this->response->getContent());
         $this->assertStringContainsString("console.log('Page');", $this->response->getContent());
         $this->assertStringContainsString("console.log('Speed!');", $this->response->getContent());
+
+        $this->assertStringContainsString(
+            '<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.min.js" integrity="sha384-+YQ4JLhjyBLPDQt//I+STsc9iw4uQqACwlvpslubQzn4u2UU2UFM80nGisd026JF" crossorigin="anonymous"></script>',
+            $this->response->getContent()
+        );
     }
 }