js css

app/helpers.php

@@ -22,6 +22,20 @@ function base_path(string $path = ''): string
     return $path === '' ? $base : $base . '/' . ltrim($path, '/');
 }
 
+function versioned_asset(string $path): string
+{
+    $assetPath = '/' . ltrim($path, '/');
+    $pathWithoutQuery = strtok($assetPath, '?') ?: $assetPath;
+    $querySeparator = str_contains($assetPath, '?') ? '&' : '?';
+    $publicPath = base_path('public' . $pathWithoutQuery);
+
+    if (!is_file($publicPath)) {
+        return $assetPath;
+    }
+
+    return $assetPath . $querySeparator . filemtime($publicPath);
+}
+
 function view(string $template, array $data = []): void
 {
     View::render($template, $data);