Hacker News Date Tooltips

Deobfuscate the "n days ago" dates on Hacker News with YYYY-MM-DD tooltips

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==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 = 2

function 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)
    }
})