MAL Stacks Filter Userscript

stack-list-toggle.user.js

// ==UserScript==
// @name         Stack List Toggler
// @namespace    http://tampermonkey.net/
// @version      1.1
// @description  Adds link to hide items in your list
// @author       BrutuZ
// @match        https://myanimelist.net/stacks/*
// @icon         https://icons.duckduckgo.com/ip2/myanimelist.net.ico
// @downloadURL  https://gist.github.com/BrutuZ/7f45eceb18de9ad2ebe0cb0c09aeaa2b/raw/stack-list-toggle.user.js
// @updateURL    https://gist.github.com/BrutuZ/7f45eceb18de9ad2ebe0cb0c09aeaa2b/raw/stack-list-toggle.user.js
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    document.getElementById("my_toggle")?.remove()
    let rem = document.createElement("a")
    rem.id = "my_toggle"
    rem.innerText = " 👁️‍🗨️ Toggle my entries"
    rem.className = "tag-manga mr4"
    rem.href = "javascript:;"
    rem.onclick = function() {
        document.querySelectorAll(".button_edit, .button_add").forEach(
            function(item){
                if (item.className.includes("button_edit") || !item.closest(".seasonal-anime").querySelector(".category, .info").textContent.trimStart().startsWith("Manga")){
                    let show = item.closest(".seasonal-anime")
                    show.hidden = !show.hidden;
                    if (show.hidden) {
                        show.style = "display:none"
                    } else {
                        show.removeAttribute("style")
                    }
                }
            }
        );
    };
    document.getElementsByClassName("mylist")[0].appendChild(rem)
})();