デッキメインを広げるやつ

user.js

// ==UserScript==
// @name         デッキメインを広げるやつ
// @namespace    https://misskey.xn--krsgw--n73t.com/@karasu_sue
// @version      0.0.2
// @run-at document-end
// @description  デッキメインを広げるやつ
// @author       Sue Karasugawa https://misskey.xn--krsgw--n73t.com/@karasu_sue
// @match        https://misskey.xn--krsgw--n73t.com/*
// @grant        GM_addStyle
// ==/UserScript==

'use strict';
let koteitag_list_index = 0;
let template_list;
Init();

function Init(){
    var css = `
        .mk-deck>section.paged{
            width: 500px !important;
        }
        .twitter.url-preview>iframe{
            left: 0px !important;
        }
        img.muluk_icon {
            margin: -5px 4px;
        }
        span.muluk_text {
            margin: 10px;
        }
    `;
    GM_addStyle(css)
    waitLoaded();
}

function waitLoaded(){
    let body = document.querySelector('body');
    const observer = new MutationObserver(records => {
        setMulukhiyaIcon();
        observer.disconnect();
    })
    observer.observe(body, {
        childList: true
    })
}

function setMulukhiyaIcon(){
    let divider = document.querySelector('nav.nav div');
    let divider_attrs = divider.getAttributeNames();
    let datav = 'data-v-3847257d';
    for (let i = 0, len = divider_attrs.length; i < len; ++i) {
        if (divider_attrs[i].indexOf('data') === 0){
            datav = divider_attrs[i];
        }
    }

    let mulu_divider = document.createElement('div');
    mulu_divider.classList.add('divider');
    mulu_divider.setAttribute(datav,datav);

    let mulukicon = document.createElement('a');
    mulukicon.classList.add('item');
    mulukicon.setAttribute('href', 'https://misskey.xn--krsgw--n73t.com/mulukhiya');
    mulukicon.setAttribute(datav,datav);

    let muluktext = document.createElement('span');
    muluktext.classList.add('text');
    muluktext.classList.add('muluk_text');
    muluktext.setAttribute(datav,datav);
    muluktext.textContent='Mulukhiya HOME';

    let icon = document.createElement('img');
    icon.classList.add('muluk_icon');
    icon.setAttribute('src', 'https://misskey.xn--krsgw--n73t.com/mulukhiya/icon-24x24.png');
    mulukicon.appendChild(icon);
    mulukicon.appendChild(muluktext);
    mulukicon.setAttribute(datav,datav);
    document.querySelector('nav.nav div').appendChild(mulukicon);
}