typescript-sdk/dist/client/websocket.js
David Soria Parra 02e421c1f1
Initial import
2024-09-24 21:53:34 +01:00

56 lines
No EOL
2 KiB
JavaScript
Generated

import { validateMessage } from "../shared/message.js";
const SUBPROTOCOL = "mcp";
/**
* Client transport for WebSocket: this will connect to a server over the WebSocket protocol.
*/
export class WebSocketClientTransport {
connect(url) {
return new Promise((resolve, reject) => {
this._socket = new WebSocket(url, SUBPROTOCOL);
this._socket.onerror = (event) => {
var _a;
const error = "error" in event
? event.error
: new Error(`WebSocket error: ${JSON.stringify(event)}`);
reject(error);
(_a = this.onerror) === null || _a === void 0 ? void 0 : _a.call(this, error);
};
this._socket.onopen = () => {
resolve();
};
this._socket.onclose = () => {
var _a;
(_a = this.onclose) === null || _a === void 0 ? void 0 : _a.call(this);
};
this._socket.onmessage = (event) => {
var _a, _b;
let message;
try {
message = JSON.parse(event.data);
validateMessage(message);
}
catch (error) {
(_a = this.onerror) === null || _a === void 0 ? void 0 : _a.call(this, error);
return;
}
(_b = this.onmessage) === null || _b === void 0 ? void 0 : _b.call(this, message);
};
});
}
async close() {
var _a;
(_a = this._socket) === null || _a === void 0 ? void 0 : _a.close();
}
send(message) {
return new Promise((resolve, reject) => {
var _a;
if (!this._socket) {
reject(new Error("Not connected"));
return;
}
(_a = this._socket) === null || _a === void 0 ? void 0 : _a.send(JSON.stringify(message));
resolve();
});
}
}
//# sourceMappingURL=websocket.js.map