fix(nextjs): Fix matching logic for file convention type for root level components

Author: lforst

packages/nextjs/src/config/loaders/wrappingLoader.ts

@@ -182,8 +182,10 @@ export default function wrappingLoader(
 
     const componentTypeMatch = path.posix
       .normalize(path.relative(appDir, this.resourcePath))
+      // Replace all backslashes with forward slashes (windows)
+      .replace(/\\/g, '/')
       // eslint-disable-next-line @sentry-internal/sdk/no-regexp-constructor
-      .match(new RegExp(`/\\/?([^/]+)\\.(?:${pageExtensionRegex})$`));
+      .match(new RegExp(`(^|/)/?([^/]+)\\.(?:${pageExtensionRegex})$`));
 
     if (componentTypeMatch && componentTypeMatch[1]) {
       let componentType: ServerComponentContext['componentType'];