def create_frontend_router()

in backend/src/agent/app.py [0:0]

• 15 lines of code
• 4 McCabe index (conditional complexity)

def create_frontend_router(build_dir="../frontend/dist"):
    """Creates a router to serve the React frontend.

    Args:
        build_dir: Path to the React build directory relative to this file.

    Returns:
        A Starlette application serving the frontend.
    """
    build_path = pathlib.Path(__file__).parent.parent.parent / build_dir

    if not build_path.is_dir() or not (build_path / "index.html").is_file():
        print(
            f"WARN: Frontend build directory not found or incomplete at {build_path}. Serving frontend will likely fail."
        )
        # Return a dummy router if build isn't ready
        from starlette.routing import Route

        async def dummy_frontend(request):
            return Response(
                "Frontend not built. Run 'npm run build' in the frontend directory.",
                media_type="text/plain",
                status_code=503,
            )

        return Route("/{path:path}", endpoint=dummy_frontend)

    return StaticFiles(directory=build_path, html=True)