auto-rubocop-suggestion.user.js

// ==UserScript==
// @name         Auto Rubocop Suggestion
// @namespace    https://champierre.com/
// @version      1.0
// @description  Automatically fill the title and body of suggestions provided by reviewdog/action-rubocop
// @author       champierre
// @match        https://github.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    document.addEventListener('DOMContentLoaded', function(event) {
        const commentBodies = document.querySelectorAll('.comment-body');
        for (let i = 0; i < commentBodies.length; i++) {
            const suggestionButton = commentBodies[i].querySelectorAll('.js-apply-suggestion-button')[0];
            const p = commentBodies[i].querySelectorAll('p[dir="auto"]')[0];

            if (suggestionButton && p) {
                const title = `Fix rubocop error: ${p.childNodes[1].textContent}`;
                const body = `${title}\n${p.childNodes[4].textContent}`;
                suggestionButton.addEventListener('click', (el) => {
                    const selectMenu = el.target.nextElementSibling;
                    selectMenu.querySelectorAll('.js-suggestion-commit-title')[0].value = title;
                    selectMenu.querySelectorAll('.js-quick-submit')[0].value = body;
                });
            }
        }
    });
})();