AtCoder Customize Panel Fix

keep customize panel open when reloading standings page

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(У мене вже є менеджер скриптів, дайте мені встановити його!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         AtCoder Customize Panel Fix
// @namespace    https://fuwa.dev/
// @version      0.1
// @description  keep customize panel open when reloading standings page
// @author       ibuki2003
// @match        https://atcoder.jp/contests/*/standings
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    const observer = new MutationObserver(function (mutations) {
        if (document.querySelector('#standings-panel-heading form') !== null) { // search for panel element
            observer.disconnect(); // only once
            console.table(mutations);
            // const v = vueStandings.filterPanelActive; // last state
            const v = true; // always open

            vueStandings.filterPanelActive = !v;
            vueStandings.$nextTick(() => { // update later
                vueStandings.filterPanelActive = v;
            });
            console.log(v);
        }
    });

    observer.observe(vueStandings.$el, {
        childList: true,
        subtree: true
    });
})();