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path: root/gateway/src/util/Send.ts
blob: 4defa898395e7656b1ead7d42f735a1c49893248 (plain) (blame)
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var erlpack: any;
try {
	erlpack = require("@yukikaze-bot/erlpack");
} catch (error) {}
import { Payload, WebSocket } from "@fosscord/gateway";

export async function Send(socket: WebSocket, data: Payload) {
	let buffer: Buffer | string;
	if (socket.encoding === "etf") buffer = erlpack.pack(data);
	// TODO: encode circular object
	else if (socket.encoding === "json") buffer = JSON.stringify(data);
	else return;
	// TODO: compression
	if (socket.deflate) {
		socket.deflate.write(buffer);
		socket.deflate.flush();
		return;
	}

	return new Promise((res, rej) => {
		socket.send(buffer, (err: any) => {
			if (err) return rej(err);
			return res(null);
		});
	});
}