Method send_json

starlette/websockets.py:177–184

(self, data: Any, mode: str = "text")

        await self.send({"type": "websocket.send", "bytes": data})

    async def send_json(self, data: Any, mode: str = "text") -> None:
        if mode not in {"text", "binary"}:
            raise RuntimeError('The "mode" argument should be "text" or "binary".')
        text = json.dumps(data, separators=(",", ":"), ensure_ascii=False)
        if mode == "text":
            await self.send({"type": "websocket.send", "text": text})
        else:
            await self.send({"type": "websocket.send", "bytes": text.encode("utf-8")})

    async def close(self, code: int = 1000, reason: str | None = None) -> None:
        await self.send({"type": "websocket.close", "code": code, "reason": reason or ""})