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When clicking Comments button, jump to Comments section automatically.
// ==UserScript==
// @name AO3: Go to Comments
// @namespace http://greasyfork.icu/en/users/163551-vannius
// @version 1.3
// @license MIT
// @description When clicking Comments button, jump to Comments section automatically.
// @author Vannius
// @match https://archiveofourown.org/*
// @grant none
// ==/UserScript==
(function () {
if (/archiveofourown\.org\/(collections\/[^/]+\/)?works\/[0-9]+/.test(window.location.href)) {
// Get Comments/Hide Comments tags
const commentTagTop = document.getElementById('show_comments_link_top');
const commentTagBottom = document.getElementById('show_comments_link');
// If there is no comment, commentTagBottom is undefined.
// And there is no need to add go to comments feature.
if (!commentTagBottom) return;
const mutationObserver = new MutationObserver(mutations => {
const commentFlag = mutations
.map(x => x.addedNodes.length)
.reduce((p, x) => p + x);
if (commentFlag) {
const sleep = msec => new Promise(resolve => setTimeout(resolve, msec));
(async () => {
await sleep(1000);
window.location.href = "#comments_placeholder";
})();
}
mutationObserver.disconnect();
});
// Add click event to go to #comments_placeholder
const target = document.getElementById('comments_placeholder');
const options = { childList: true };
for (let commentTag of [commentTagTop, commentTagBottom]) {
commentTag.addEventListener('click', () => {
mutationObserver.observe(target, options);
});
}
}
})();