Copy magnet links or the release date to the clipboard (great for adding files to anidb)

NyaaCopyMagnetAndReleaseDate.user.js

// ==UserScript==
// @name         Nyaa - Copy Magnet/Release Date (YYYY-MM-DD)
// @namespace    https://gist.github.com/natyusha
// @version      1.2.2
// @description  Copy magnet links or the release date to the clipboard (great for adding files to anidb)
// @match        https://*.nyaa.si/*
// @grant        GM_setClipboard
// @updateURL    https://gist.github.com/natyusha/45892ae8b2db6005f5d1377430b8d890/raw/NyaaCopyMagnetAndReleaseDate.user.js
// ==/UserScript==

(function () {
    'use strict';

    function createCopyButton(icon, title, getTextToCopy) {
        const btn = document.createElement('button');
        btn.textContent = icon;
        btn.title = title;
        btn.style.cssText = `
          margin-left: .5em;
          cursor: pointer;
          background: none;
          border: none;
          width: 2em;
          text-align: center;
      `;

        btn.onclick = (e) => {
            e.preventDefault();
            e.stopPropagation();

            const text = typeof getTextToCopy === 'function' ? getTextToCopy() : getTextToCopy;

            if (typeof GM_setClipboard !== 'undefined') {
                GM_setClipboard(text);
            } else {
                navigator.clipboard.writeText(text);
            }

            const original = btn.textContent;
            btn.textContent = '✅';
            setTimeout(() => btn.textContent = original, 1000);
        };

        return btn;
    }

    function addDateButtons() {
        document.querySelectorAll('[data-timestamp]').forEach(el => {
            if (el.closest('a')) return;
            if (el.querySelector('.copy-date-btn')) return;

            const shortDate = el.textContent.trim().split(' ')[0];
            const btn = createCopyButton('📋', `Copy date: ${shortDate}`, shortDate);
            btn.className = 'copy-date-btn';
            el.appendChild(btn);
        });
    }

    function addMagnetButtons() {
        document.querySelectorAll('i.fa-magnet').forEach(icon => {
            const link = icon.closest('a');
            if (!link || !link.href.startsWith('magnet:')) return;
            if (link.querySelector('.copy-magnet-btn')) return;

            const btn = createCopyButton('🧲', 'Copy magnet link', link.href);
            btn.className = 'copy-magnet-btn';
            link.insertAdjacentElement('afterend', btn);
        });
    }

    function process() {
        addDateButtons();
        addMagnetButtons();
    }

    // Run on load
    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', process);
    } else {
        process();
    }

    // Re-run on navigation
    const origPushState = history.pushState;
    history.pushState = function () {
        origPushState.apply(this, arguments);
        setTimeout(process, 100);
    };
    window.addEventListener('popstate', () => setTimeout(process, 100));
})();