GravCMS convert inline JS into sourced file JS

gistfile1.txt

diff --git a/system/src/Grav/Common/Assets.php b/system/src/Grav/Common/Assets.php
index 12efc1a..383cd8d 100644
--- a/system/src/Grav/Common/Assets.php
+++ b/system/src/Grav/Common/Assets.php
@@ -678,15 +678,20 @@ class Assets
             }
         }
 
-        // Render Inline JS
+        // Convert Inline JS into a sourced JS file
+        $buffer = '';
         foreach ($this->inline_js as $inline) {
             if ($group && $inline['group'] == $group) {
-                $inline_js .= $inline['asset'] . "\n";
+                $buffer .= $inline['asset'] . "\n";
             }
         }
-
-        if ($inline_js) {
-            $output .= "\n<script>\n" . $inline_js . "\n</script>\n";
+        if ($buffer) {
+            $inlineFile = md5($buffer) . '.js';
+            if (!file_exists($this->assets_dir . $inlineFile)) {
+                file_put_contents($this->assets_dir . $inlineFile, $buffer);
+            }
+            $relative_path = "{$this->base_url}{$this->assets_url}/{$inlineFile}";
+            $output .= '<script src="' . $relative_path . '" type="text/javascript"></script>' . "\n";
         }
 
         return $output;