ws-heartbeat/client.js

Server-side and client-side heartbeat library for ws and browser-side Websocket.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.setWsHeartbeat = void 0;
function setWsHeartbeat(ws, pingMessage, option) {
    var pingInterval = 25000;
    var pingTimeout = 60000;
    if (option) {
        if (typeof option.pingInterval === "number") {
            pingInterval = option.pingInterval;
        }
        if (typeof option.pingTimeout === "number") {
            pingTimeout = option.pingTimeout;
        }
    }
    var messageAccepted = false;
    ws.addEventListener("message", function (e) {
        messageAccepted = true;
    });
    var pingTimer = setInterval(function () {
        try {
            ws.send(pingMessage);
        }
        catch (_) {
            // do nothing
        }
    }, pingInterval);
    var timeoutTimer = setInterval(function () {
        if (!messageAccepted) {
            ws.close();
        }
        else {
            messageAccepted = false;
        }
    }, pingTimeout);
    ws.addEventListener("close", function (e) {
        clearInterval(pingTimer);
        clearInterval(timeoutTimer);
    });
}
exports.setWsHeartbeat = setWsHeartbeat;