aimg Progress Bar

あいもげのスレ寿命をプログレスバーで表示します

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 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.

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

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         aimg Progress Bar
// @name:ja      あいもげプログレスバー
// @namespace    http://tampermonkey.net/
// @version      2.0.0
// @description  あいもげのスレ寿命をプログレスバーで表示します
// @author       nanasy
// @match        https://nijiurachan.net/*/thread*
// @icon         https://nijiurachan.net/favicon.ico
// @license      MIT
// @grant        none
// @run-at       document-end
// ==/UserScript==

(function() {
    'use strict';

    const height = "4px"; // バーの高さ

    let wrap, fill, add, start, addTime, end, origin, updater;
    const expiry = document.querySelector('.thread-expiry-footer');

    // サイズ調整
    function adjustWidth() {
        const scrollbar = window.innerWidth - document.documentElement.clientWidth;
        wrap.style.width = `calc(100vw - ${scrollbar}px)`;
    }

    // 表示更新
    function updateBar() {
        const now = new Date();
        if(expiry.textContent){
            const text = expiry.textContent.trim().slice(0, -5);
            let [, y, mo, d, h, m] = text.match(/(?:(\d+)年)?(?:(\d+)月)?(?:(\d+)日)?(?:(\d+):(\d+))?/).map(v => (v == null? null: Number(v)));
            h ??= 0;
            m ??= 0;
            d ??= mo? 1: now.getDate();
            mo ??= now.getMonth() + 1;
            y ??= now.getFullYear();
            if(y < 2000)y += 2000;

            end = new Date(y, mo - 1, d, h, m);
            while (end <= now) {
                if (text.includes('年')) {
                    break;
                } else if (text.includes('月')) {
                    y++;
                } else if (text.includes('日')) {
                    mo++;
                    if (mo > 12) {
                        mo = 1;
                        y++;
                    }
                } else break;
                end = new Date(y, mo - 1, d, h, m);
            }
        }
        const ratio = (now - start) / (end - start);
        const formatTime = time => {
            const min = Math.ceil(time / 60000);
            return [
              min >= 1440 && `${min / 1440 | 0}日と`,
              min >= 60 && `${min / 60 % 24 | 0}時間`,
              `${min % 60}分`
            ].filter(Boolean).join('');
        }
        if (ratio < 1 && expiry.textContent) {
            // 寿命が1ヶ月以上なら年月換算
            let remY = end.getFullYear() - now.getFullYear();
            let remMo = end.getMonth() - now.getMonth();
            if (end.getDate() < now.getDate()) remMo--;
            if (remMo < 0) {
                remY--;
                remMo += 12;
            }

            wrap.title = 'あと' + (remY > 0? `${remY}年${remMo}ヶ月`: remMo > 0? `${remMo}ヶ月`: formatTime(end - now));
            fill.style.width = `${ratio * 100}%`;
        } else {
            wrap.title = "まもなく消えます";
            fill.style.width = "100%";
        }
        origin ??= new Date(end - addTime);
        addTime = end - origin;
        if (addTime) wrap.title += ` (${formatTime(addTime)}延長)`;
        add.style.width = `${addTime * 100 / (end - start)}%`;

        adjustWidth();
    }

    // UI生成, 初回実行
    function init() {
        if (/\d+:\d+/.test(expiry.textContent) && !document.querySelector('#progressbar')) {
            const bar = document.createElement('div');
            bar.id = 'progressbar';
            bar.innerHTML = `<div class="wrap"><div class="fill"></div><div class="add"></div></div>`;
            document.body.appendChild(bar);
            wrap = bar.querySelector('.wrap');
            fill = bar.querySelector('.fill');
            add = bar.querySelector('.add');

            const style = document.createElement('style');
            style.textContent = `
                #progressbar{ position: fixed; left: 0px; bottom: ${height}; z-index: 200; }
                #progressbar .wrap{  background: #222; display: flex; position: absolute; }
                #progressbar .fill{ background: #e04000; transition: 1s ease-out; height: ${height}; }
                #progressbar .add{ background: #fff; position: absolute; right: 0px; transition: 1s ease-out; opacity: 0.2; height: ${height}; }
            `;
            document.head.appendChild(style);

            start = new Date(document.querySelector('.thre .cnw').firstChild.nodeValue.trim());
            // 延長時間を取得
            const sod = document.querySelector('.thre .sod').textContent.match(/\d+/);
            addTime = Number(sod? sod[0]: 0) * 600000;

            updateBar();
            // スレに同期して更新
            new MutationObserver(updateBar).observe(expiry, { childList: true, characterData: true });
            // 自動リロードがOFFの場合タイマーで更新
            if (localStorage.getItem('autoReloadEnabled') == 0) updater = setInterval(updateBar, 15000);
        }
        // そうだねが押されたら反映
        document.querySelector('a[id^=sd]')?.addEventListener('click', () => setTimeout(reloadThread, 100));
    }

    // スレの中身が生成・更新されたらinitを実行
    const node = document.querySelector('.thre div[data-thread-op]');
    if (node.firstChild) init();
    new MutationObserver(init).observe(node, { childList: true });

    // 自動リロードの設定が変更されたらタイマーを切り替え
    document.querySelector('#contres').addEventListener('click', e => {
        if (e.target.nodeName === 'INPUT') {
            if(updater)clearInterval(updater);
            if (!e.target.checked) updater = setInterval(updateBar, 15000);
        }
    });

    window.addEventListener('resize', adjustWidth);
})();