Unwrap vk.com external away.php links

vk-remove-away-links.user.js

// ==UserScript==
// @name         Vk remove away
// @namespace    https://gist.github.com/ntnbrtnkv
// @version      1.1
// @description  Unwrap vk.com away links
// @author       ntnbrtnkv
// @include      *vk.com*
// @grant        none
// ==/UserScript==

(function() {
    "use strict";

    function parseSearch(search) {
        var objURL = {};

        search.replace(
            new RegExp("([^?=&]+)(?:=([^&]*))?", "g"),
            function ($0, $1, $2) {
                objURL[$1] = $2;
            }
        );
        return objURL;
    }

    let updateLinks = (target) => {
        if (target.querySelectorAll) {
            target.querySelectorAll("a[href^='/away.php?']")
                .forEach(a => {
                a.href = decodeURIComponent(parseSearch(a.search).to);
            });
        }
    };

    const callback = function(mutationsList, observer) {
        for (let mutation of mutationsList) {
            if (mutation.type === 'childList') {
                mutation.addedNodes.forEach(updateLinks);
            }
        }
    };

    const observer = new MutationObserver(callback);

    observer.observe(document.body, {
        attributes: false,
        childList: true,
        subtree: true
    });

})();