/**
 * The following code is modified based on
 * https://github.com/webpack/webpack-dev-server
 *
 * MIT Licensed
 * Author Tobias Koppers @sokra
 * Copyright (c) JS Foundation and other contributors
 * https://github.com/webpack/webpack-dev-server/blob/main/LICENSE
 */
import SockJS from '../modules/sockjs-client/index.js';
import { log } from '../utils/log.js';
var SockJSClient = /** @class */ (function () {
    function SockJSClient(url) {
        // SockJS requires `http` and `https` protocols
        this.sock = new SockJS(url.replace(/^ws:/i, 'http:').replace(/^wss:/i, 'https:'));
        this.sock.onerror = function (error) {
            log.error(error);
        };
    }
    SockJSClient.prototype.onOpen = function (fn) {
        this.sock.onopen = fn;
    };
    SockJSClient.prototype.onClose = function (fn) {
        this.sock.onclose = fn;
    };
    // call f with the message string as the first argument
    SockJSClient.prototype.onMessage = function (fn) {
        this.sock.onmessage = function (err) {
            fn(err.data);
        };
    };
    return SockJSClient;
}());
export default SockJSClient;