fbmp.js

// ==UserScript==
// @name         FBMP Hider
// @namespace    http://tampermonkey.net/
// @version      2024-01-11
// @description  try to take over the world!
// @author       You
// @match        https://www.facebook.com/marketplace/*
// @require      https://code.jquery.com/jquery-3.2.1.min.js
// @require      https://gist.github.com/raw/2625891/waitForKeyElements.js
// @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant        GM_addStyle
// @grant        GM_setValue
// @grant        GM_getValue
// ==/UserScript==

var localStorageName = "FBMarketHide";
var hiddenIds = ["12234", "3800851237024"];
//localStorage[localStorageName]=JSON.stringify(hiddenIds);

function addHidden(id) {
    console.log("Adding " + id + " to the hidden list");
    var store = GM_getValue('FBMarketHide');
    //alert(store);
    var value = JSON.parse(store) + '';
    //alert(value);
    var ids = value.split(',');
    ids.push(id);
    GM_setValue('FBMarketHide',JSON.stringify(ids));
}


function getMPId(url) {
    var ids = url.split('/');
    //console.log(url.split('/')[3]);
    return ids[3];
}
function hideMPClass(jNode, id) {
    //var id = getMPId(jNode.attr("href"));
    if (id != null) {
        console.log("Hiding " + id);
        jNode.parent().parent().parent().parent().parent().parent().hide()
    } else {
        console.log("Didn't hide " + id);
        console.log(jNode);
    }
}


function insertMPHideButton(jNode, id) {
    var insertA = document.createElement('input');
    //insertA.href = '#';
    insertA.setAttribute('type',"button");
    insertA.setAttribute('value',"hide");
    insertA.setAttribute('id',"hide" + id);
    insertA.innerHTML = "Hide";

    insertA.addEventListener("click", function(event) { event.stopPropagation(); addHidden(id); hideMPClass(jNode, id); }, true);

    jNode.parent().append(insertA);


    var href = jNode.attr('href');
    var newHTML = jNode.children().eq(0).html().replace("div", "a href='" + href + "' ");
    var n = newHTML.lastIndexOf("div");
    newHTML = newHTML.slice(0, n) + newHTML.slice(n).replace("div", "a");


    jNode.attr('href', '');
    newHTML = jNode.parent().html().replace("a", "div");
    n = newHTML.lastIndexOf("a");
    newHTML = newHTML.slice(0, n) + newHTML.slice(n).replace("a", "div");

}

function checkMPclass (jNode) {
    //xlil10hfl
    //console.log (jNode);
    var id = getMPId(jNode.attr("href"));
    if (hiddenIds.includes(id)) {
        hideMPClass(jNode, id);
    } else {
        insertMPHideButton(jNode, id);
    }


}
(function() {
console.log ("Do you see this?");

var store = GM_getValue(localStorageName);
if (store == null) {
    console.log("Added default key");
    GM_setValue(localStorageName,JSON.stringify(['']))
}
hiddenIds = JSON.parse(store).toString().split(',');

waitForKeyElements (".xjp7ctv > div > span > div > div > a", checkMPclass);

console.log ("Script run to completion");
})();