meneame.net - Destacar comentarios de usuarios recientes

// Descarga la nueva versión en https://greasyfork.org/es/scripts/400519-meneame-net-destacar-comentarios-de-usuarios-recientes/code
//
// ==UserScript==
// @name        meneame.net - Destacar comentarios de usuarios recientes
// @namespace   http://tampermonkey.net/
// @version     2.1
// @description Destacar comentarios de usuarios con menos de 90 días.
// @author      Niko & оᴄнᴏсᴇʀоs
// @match       *://*.meneame.net/*
// @grant       GM.setValue
// @grant       GM.getValue
// ==/UserScript==

/*jshint esversion: 6 */

// ---- SCRIPT CONFIG ----
const NOOB_DAYS = 90;
const PIC_L = "&nbsp;&nbsp;<svg width='11' height='12' style='overflow: visible'> <rect style='fill:#ffffff;fill-opacity:1;stroke:#000000;stroke-width:0.23726973;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1' height='16.553701' ry='0.88286412' rx='0.88286412' width='14.898332' id='rect858' x='-0.096365139' y='-0.096365139'></rect> <rect rx='0.55179006' ry='0.55179006' height='14.898332' x='0.73131996' y='0.73131996' width='13.242962' style='fill:#0ba800;fill-opacity:1;stroke:#000000;stroke-width:0.20416233;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1' id='rect860'></rect> <path style='fill:#ffffff;fill-opacity:1;stroke:#000000;stroke-width:0.09538639;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1' d='M 2.7781475,1.6690757 V 14.711704 h 3.3093231 v -0.0058 H 11.927454 V 12.181045 L 5.5034726,12.161578 V 1.6496091 Z' id='rect817'></path></svg>"

// ---- API values ----
const USERNAME_CLASS = '.username';
const SUBMITTED_NEWS_CLASS = '.news-submitted';
const REQUEST_URL = 'https://www.meneame.net/backend/get_user_info?id=';

window.onload = function () {
    highlightUserComments();
    highlightUserNews();
};

function highlightUserComments() {
    let usernames = document.querySelectorAll(USERNAME_CLASS);
    usernames.forEach( function(node) {
        processUserCommentNode(node);
    });
    usernames = "";
}

function highlightUserNews() {
    let newsSubmitted = document.querySelectorAll(SUBMITTED_NEWS_CLASS);
    newsSubmitted.forEach( function(node) {
        processNewsSubmittedNode(node);
    });
    newsSubmitted = "";
}

function processNewsSubmittedNode(node) {
    const user = node.childNodes[3].textContent;
    let date = "";
    (async() => {
        let date = await GM.getValue(user, "");
        if (date === "") {
            let date = requestRegistrationDate(node, user);
        }
        checkIfNoobUserNews(node, date);
    })();
}

function processUserCommentNode(node) {
    const user = node.textContent;
    let date = "";
    (async() => {
        let date = await GM.getValue(user, "");
        if (date === "") {
            let date = requestRegistrationDate(node, user);
        }
        checkIfNoobUserComment(node, date);
    })();
}

function requestRegistrationDate(node, user) {
    let xhttp = new XMLHttpRequest();
    xhttp.onreadystatechange = function() {
        if (this.readyState === 4 && this.status === 200) {
            const dateRegex = /((0[1-9]|[12]\d|3[01])-(0[1-9]|1[0-2])-[12]\d{3})/;
            const date = this.responseText.match(dateRegex);
            GM.setValue(user, date[0]);
        }
    };
    xhttp.open("GET", REQUEST_URL + user, true);
    xhttp.send();
}

function checkIfNoobUserComment(node, dateStr) {
    if (daysSinceRegistration(dateStr) < NOOB_DAYS) {
        node.insertAdjacentHTML('afterend',PIC_L);
    }
}

function checkIfNoobUserNews(node, dateStr) {
    if (daysSinceRegistration(dateStr) < NOOB_DAYS) {
        node.childNodes[3].insertAdjacentHTML('afterend',PIC_L + "&nbsp;&nbsp;");
    }
}

function daysSinceRegistration(dateStr) {
    const dateArray = dateStr.toString().split('-');
    const date = new Date(dateArray[2], dateArray[1] - 1, dateArray[0]);
    return (Date.now() - date.getTime()) / 3600000 / 24;
}