// ==UserScript==// @name          Hacker News Date Tooltips// @description   Deobfuscate the "n days ago" dates on Hacker News with YYYY-MM-DD tooltips// @author        chocolateboy// @copyright     chocolateboy// @version       1.1.0// @namespace     https://github.com/chocolateboy/userscripts// @license       GPL: https://www.gnu.org/copyleft/gpl.html// @include       https://news.ycombinator.com/*// @require       https://cdn.jsdelivr.net/npm/[email protected]/dist/cash.min.js// @require       https://unpkg.com/[email protected]/dayjs.min.js// @grant         GM_log// ==/UserScript==const DATES = 'span.age a'const DELTA = 1, UNIT = 2function isoDate (ago) {const match = ago.match(/^(\d+)\s+(\w+)\s+ago$/)return match? dayjs().subtract(match[DELTA], match[UNIT]).format('YYYY-MM-DD'): null}$(DATES).each(function () {const $this = $(this)const ago   = $this.text().trim()const date  = isoDate(ago)if (date) {$this.attr('title', date)}})