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User At Hover - Libreddit

hover at clickable user link to see user flair.

// ==UserScript==
// @name User At Hover - Libreddit
// @version 1.2.0
// @description hover at clickable user link to see user flair.
// @include *://libredd.it*
// @include *://libreddit.spike.codes*
// @include *://libreddit.dothq.co*
// @include *://libreddit.kavin.rocks*
// @include *://reddit.invak.id*
// @include *://reddit.phii.me*
// @include *://lr.riverside.rocks*
// @include *://libreddit.strongthany.cc*
// @include *://libreddit.database.red*
// @include *://libreddit.privacy.com.de*
// @include *://libreddit.domain.glass*
// @include *://libreddit.sugoma.tk*
// @include *://libreddit.jamiethalacker.dev*
// @include *://reddit.artemislena.eu*
// @include *://r.nf*
// @include *://libreddit.some-things.org*
// @include *://reddit.stuehieyr.com*
// @include *://lr.mint.lgbt*
// @include *://libreddit.igna.rocks*
// @include *://libreddit.autarkic.org*
// @include *://libreddit.flux.industries*
// @include *://libreddit.drivet.xyz*
// @include *://lr.oversold.host*
// @include *://libreddit.de*
// @include *://libreddit.pussthecat.org*
// @include *://libreddit.mutahar.rocks*
// @include *://libreddit.northboot.xyz*
// @include *://leddit.xyz*
// @include *://de.leddit.xyz*
// @include *://lr.cowfee.moe*
// @include *://libreddit.hu*
// @include *://libreddit.totaldarkness.net*
// @include *://libreddit.esmailelbob.xyz*
// @include *://lr.vern.cc*
// @include *://libreddit.nl*
// @include *://lr.stilic.ml*
// @include *://reddi.tk*
// @include *://libreddit.bus-hit.me*
// @include *://libreddit.datatunnel.xyz*
// @include *://libreddit.crewz.me*
// @include *://r.walkx.org*
// @include *://libreddit.kylrth.com*
// @include *://libreddit.yonalee.eu*
// @include *://libreddit.winscloud.net*
// @include *://libreddit.tiekoetter.com*
// @include *://reddit.rtrace.io*
// @include *://libreddit.lunar.icu*
// @include *://libreddit.privacydev.net*
// @include *://libreddit.notyourcomputer.net*
// @include *://r.ahwx.org*
// @include *://bob.fr.to*
// @include *://reddit.beparanoid.de*
// @include *://libreddit.dcs0.hu*
// @icon 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// @grant none
// @run-at document-end
// @license GPL-3.0-or-later
// @namespace -
// ==/UserScript==

let style = document.createElement('style')
style.textContent = `
.user-popup::before {
  content: '';
  width: 10px;
  height: 10px;
  display: block;
  position: absolute;
  top: -6px;
  left: 44%;
  border-right: 1px solid var(--highlighted);
  border-top: 1px solid var(--highlighted);
  rotate: -45deg;
  background: var(--post);
}

.user-popup {
  position: absolute;
  width: 100px;
  background-color: var(--post);
  z-index: 1;
  border: var(--panel-border);
  border-radius: 5px;
	text-align: center;
  word-break: break-word;
	place-content: center;
	display: grid;
	animation: .1s 0s 1 normal userPopup both running linear;
}

.user-popup-img {
  width: 80px;
  margin-top: 10px;
  border-radius: 5px;
  background: var(--foreground);
	border: var(--panel-border);
}

.user-popup-karma {
	color: var(--accent);
}

.d-none {
  display: none;
}

@keyframes userPopup {
	0% {
		opacity: 0;
		transform: translateY(10px);
	}
}`
document.head.appendChild(style)

document.querySelectorAll('[class*="author"][href*="/user/"], [class*="author"][href*="/u/"]').forEach(e => {
  e.dataset.parsed = '0'
  e.addEventListener('mouseenter', () => {
    if(e.dataset.parsed === '0') {
    	e.dataset.parsed = '1'
  		fetch(e.href).then(r => r.text()).then(c => {
  			let doc = new DOMParser().parseFromString(c, 'text/html'),
    	  	avatar = doc.querySelector('#user_icon').src,
    	  	name = doc.querySelector('#user_name').textContent.slice(2),
    	    karma = +doc.querySelector('#user_details > :nth-child(3)').textContent,
    	    created = doc.querySelector('#user_details > :nth-child(4)').textContent,
    	    popup = document.createElement('div'),
    	    popupImg = document.createElement('img'),
    	    popupName = document.createElement('span'),
          popupKarma = document.createElement('span')
    	    y = e.offsetTop,
    	    x = e.offsetLeft

    	  popup.style.top = y+25+'px'
    	  popup.style.left = x+'px'
    	  popup.className = 'user-popup'
        popupImg.className = 'user-popup-img'
        popupImg.src = avatar
        popupImg.alt = name
        if(name.length > 9) popupImg.style.margin = (name.length/2)+'px auto'
        popupName.textContent = name
        popupKarma.textContent = karma
        popupKarma.className = 'user-popup-karma'
        popup.appendChild(popupImg)
        popup.appendChild(popupName)
        popup.appendChild(popupKarma)
    	  e.insertAdjacentElement('afterend', popup)
  		})
    } else {
    	let pop = e.nextElementSibling,
          pop2 = pop.nextElementSibling,
    	    y = e.offsetTop,
    	    x = e.offsetLeft

      if(pop2.className.indexOf('user-popup') != -1) pop2.remove()

    	pop.style.top = y+25+'px'
    	pop.style.left = x+'px'
      pop.classList.remove('d-none')
    }
  })
  e.addEventListener('mouseleave', () => {
    e.nextElementSibling.classList.add('d-none')
  })
})