viem
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JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getWebSocketRpcClient = getWebSocketRpcClient;
const request_js_1 = require("../../errors/request.js");
const socket_js_1 = require("./socket.js");
async function getWebSocketRpcClient(url, options = {}) {
const { keepAlive, reconnect } = options;
return (0, socket_js_1.getSocketRpcClient)({
async getSocket({ onClose, onError, onOpen, onResponse }) {
const WebSocket = await Promise.resolve().then(() => require('isows')).then((module) => module.WebSocket);
const socket = new WebSocket(url);
function onClose_() {
socket.removeEventListener('close', onClose_);
socket.removeEventListener('message', onMessage);
socket.removeEventListener('error', onError);
socket.removeEventListener('open', onOpen);
onClose();
}
function onMessage({ data }) {
try {
const _data = JSON.parse(data);
onResponse(_data);
}
catch (error) {
onError(error);
}
}
socket.addEventListener('close', onClose_);
socket.addEventListener('message', onMessage);
socket.addEventListener('error', onError);
socket.addEventListener('open', onOpen);
if (socket.readyState === WebSocket.CONNECTING) {
await new Promise((resolve, reject) => {
if (!socket)
return;
socket.onopen = resolve;
socket.onerror = reject;
});
}
const { close: close_ } = socket;
return Object.assign(socket, {
close() {
close_.bind(socket)();
onClose_();
},
ping() {
try {
if (socket.readyState === socket.CLOSED ||
socket.readyState === socket.CLOSING)
throw new request_js_1.WebSocketRequestError({
url: socket.url,
cause: new request_js_1.SocketClosedError({ url: socket.url }),
});
const body = {
jsonrpc: '2.0',
method: 'net_version',
params: [],
};
socket.send(JSON.stringify(body));
}
catch (error) {
onError(error);
}
},
request({ body }) {
if (socket.readyState === socket.CLOSED ||
socket.readyState === socket.CLOSING)
throw new request_js_1.WebSocketRequestError({
body,
url: socket.url,
cause: new request_js_1.SocketClosedError({ url: socket.url }),
});
return socket.send(JSON.stringify(body));
},
});
},
keepAlive,
reconnect,
url,
});
}
//# sourceMappingURL=webSocket.js.map