from __future__ import annotations

import json
from collections.abc import AsyncIterator
from typing import Any


def event(name: str, data: dict[str, Any]) -> bytes:
    return f"event: {name}\ndata: {json.dumps(data, ensure_ascii=False)}\n\n".encode("utf-8")


async def one_event(name: str, data: dict[str, Any]) -> AsyncIterator[bytes]:
    yield event(name, data)