Tapermonkey: Nhentai Gallery link for comments

// ==UserScript==
// @name         NHentai Comment Gallery Linker
// @namespace    https://nhentai.net/
// @version      1.0
// @description  Adds a link to the gallery for each comment on NHentai user pages
// @author       erasels
// @match        https://nhentai.net/users/*/*
// @icon         https://nhentai.net/favicon.ico
// @license      none
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // Select all comments
    document.querySelectorAll('.comment').forEach(comment => {
        try {
            // Extract the data-state attribute which contains JSON
            const dataState = JSON.parse(comment.getAttribute('data-state'));

            // Ensure gallery_id exists
            if (dataState && dataState.gallery_id) {
                const galleryId = dataState.gallery_id;
                const galleryLink = `https://nhentai.net/g/${galleryId}`;

                // Find the timestamp element
                const timeElement = comment.querySelector('.header .left time');
                if (timeElement) {
                    // Create a link element
                    const linkElement = document.createElement('a');
                    linkElement.href = galleryLink;
                    linkElement.textContent = ' [View Gallery]';
                    linkElement.style.marginLeft = '5px';
                    linkElement.style.color = 'gray';
                    linkElement.style.fontWeight = 'bold';

                    // Append the link next to the time element
                    timeElement.parentNode.appendChild(linkElement);
                }
            }
        } catch (error) {
            console.error('Error processing comment:', error);
        }
    });
})();