Site Measurements

Logs fetch, xhr, ws requests in console
Ekde 2024/08/05. Vidu La ĝisdata versio.
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// ==UserScript==
// @name         Site Measurements
// @namespace    http://tampermonkey.net/
// @version      2024-08-05
// @license      MIT
// @description  Logs fetch, xhr, ws requests in console
// @author       Grosmar
// @match        https://*.livejasmin.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=livejasmin.com
// @grant        none
// @run-at document-start
// ==/UserScript==

(function() {
    'use strict';
    console.log("MEASUREMENT");

    const filteredWs = /jaws\./;
    const binaryWsPackageCountLimit = 3; //show only this amount of binary packages
    const wsEventFilter = { r: /onRandomAccessPoint|onMetaData/, limit: 2} // messages with this content will be shown only `limit` amount of time



    const origFetch = fetch; window.fetch = (...args) => { console.warn("NETWORK_Fetch", ...args); return origFetch(...args); }
    const origOpen = XMLHttpRequest.prototype.open; XMLHttpRequest.prototype.open = function (...args) { console.warn("NETWORK_Xhr", ...args); return origOpen.apply(this, args); }
    const origWsSend = WebSocket.prototype.send; WebSocket.prototype.send = function(...args) { if (args[0] != 3 && !filteredWs.test(this.url)) console.warn("NETWORK_Ws_Send", ...args); return origWsSend.apply(this, args); }

    const OrigWs = window.WebSocket;
    window.WebSocket = function (url, protocols)
    {
        let ws = new OrigWs(url, protocols);
        if (!filteredWs.test(url)) {
            let binaryCount = 0;
            let filteredMsgCount = 0;
            console.warn("NETWORK_Ws_Conn", url, protocols);
            ws.addEventListener("message", (event) =>
                {
                    const isBinary = event.data instanceof ArrayBuffer;
                    const eventFilterTest = wsEventFilter.r.test(event.data);
                    if ((isBinary && binaryCount++ < binaryWsPackageCountLimit) || (!isBinary && (!eventFilterTest || filteredMsgCount++ < wsEventFilter.limit)))
                    {
                        console.warn("NETWORK_Ws_Msg", url, event);
                    }
                }
            );
        }
        return ws;
    }
})();