Rule34 Favorite Button

Adds a more convenient favorite button in the form of a heart under media on post detail pages

Ask a question, post a review, or report the script.

Wrap lines

// ==UserScript==
// @name         Rule34 Favorite Button
// @version      1.1
// @description  Adds a more convenient favorite button in the form of a heart under media on post detail pages
// @author       littlesmella
// @namespace    littlesmella
// @match        https://rule34.xxx/index.php?page=post&s=view&id=*
// @license      MIT
// @grant        none
// ==/UserScript==

// Derivative of 'Rule34 Favorite Button', updated with Claude Opus 5 Low
// Original: https://sleazyfork.org/en/scripts/560582-rule34-favorite-button/code

(() => {
    'use strict';

    function getIdFromUrl() {
        const searchParams = new URLSearchParams(window.location.search);
        const paramValue = searchParams.get('id');
        return paramValue;
    }

    const sublinks = document.querySelector('#right-col .image-sublinks');
    if (sublinks) {
        const id = getIdFromUrl();
        const favButton = document.createElement('a');

        favButton.href = '#';
        favButton.textContent = "♥";
        favButton.setAttribute('onclick', `post_vote('${id}', 'up'); addFav('${id}'); return false;`);
        favButton.setAttribute('style', `font-size: 2em; text-align: center; display: block;`);

        sublinks.parentNode.insertBefore(favButton, sublinks);
    } else {
        console.log('Sublinks row not found');
    }
})();