@bsv/authsocket-client/dist/src/SocketClientTransport.js

Mutually Authenticated Web Sockets Client

//#region src/SocketClientTransport.ts
const DEFAULT_MAX_PENDING_MESSAGES = 32;
var SocketClientTransport = class {
	socket;
	onDataCallback;
	maxPendingMessages;
	onError;
	pendingMessages = 0;
	failed = false;
	constructor(socket, options = {}) {
		this.socket = socket;
		const maxPendingMessages = options.maxPendingMessages ?? DEFAULT_MAX_PENDING_MESSAGES;
		if (!Number.isSafeInteger(maxPendingMessages) || maxPendingMessages < 1) throw new RangeError("maxPendingMessages must be a positive safe integer");
		this.maxPendingMessages = maxPendingMessages;
		this.onError = options.onError;
		this.socket.on("authMessage", (msg) => {
			return this.processMessage(msg);
		});
	}
	/**
	* Send an AuthMessage to the server.
	*/
	async send(message) {
		this.socket.emit("authMessage", message);
	}
	/**
	* Register a callback to handle incoming AuthMessages.
	*/
	async onData(callback) {
		this.onDataCallback = callback;
	}
	async processMessage(message) {
		if (this.failed || this.onDataCallback === void 0) return;
		if (this.pendingMessages >= this.maxPendingMessages) {
			this.fail(/* @__PURE__ */ new Error("Authentication message concurrency limit exceeded"));
			return;
		}
		this.pendingMessages += 1;
		try {
			await this.onDataCallback(message);
		} catch (error) {
			this.fail(error);
		} finally {
			this.pendingMessages -= 1;
		}
	}
	fail(error) {
		if (this.failed) return;
		this.failed = true;
		Promise.resolve().then(async () => await this.onError?.(error)).catch(() => {});
		try {
			this.socket.disconnect();
		} catch {}
	}
};
//#endregion
export { SocketClientTransport };

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