MyHeritage Names Research to Profile link

MyHeritage Names Research to Profile link.user.js

// ==UserScript==
// @name         MyHeritage Names Research to Profile link
// @namespace    https://www.myheritage.com/
// @version      0.4.1
// @description  Jump from MyHeritage Research directly to profiles/sites
// @author       Guy Khmelnitsky
// @match        https://www.myheritage.com/research*
// @grant        none
// ==/UserScript==

const urlRegex = /([\w+]+:\/\/)?([\w\d-]+\.)*[\w-]+[.:]\w+([\/?=&#.]?[\w-]+)*\/?/gm
const returnUrlRecordRegex = /(record-[0-9]+-[0-9]+-[0-9]+-[0-9]+)/gm

window.addEventListener('load', function() {
    setTimeout(() => {
        'use strict';

        String.prototype.formatUnicorn = String.prototype.formatUnicorn ||
            function () {
                "use strict";
                var str = this.toString();
                if (arguments.length) {
                    var t = typeof arguments[0];
                    var key;
                    var args = ("string" === t || "number" === t) ?
                        Array.prototype.slice.call(arguments)
                        : arguments[0];

                    for (key in args) {
                        str = str.replace(new RegExp("\\{" + key + "\\}", "gi"), args[key]);
                    }
                }

                return str;
            };


        const parseItemId = function(input) {
            const split = input.split("-");
            const siteId = parseInt(split[0]);
            const multiplier = parseInt(split[1]);
            const personId = parseInt(split[2]);
            const fullPersonId = 1000000*multiplier +personId;
            return [siteId, fullPersonId];
        }

        const getMyHeritageFamilyLinkFromItemId = function(hrefLink, link) {
            let parsedItemId;

            if (hrefLink.startsWith("javascript:") && hrefLink.includes("itemId=")){
                parsedItemId = parseItemId(hrefLink.split("itemId=")[1].split("'")[0]);
            } else {
                const urlParams = new URLSearchParams(hrefLink.split("?")[1]);
                if (!urlParams.has("itemId")) {
                    return null;
                }
                parsedItemId = parseItemId(urlParams.get("itemId"));
            }

            var siteId = parsedItemId[0];
            var fullPersonId = parsedItemId[1];

            const record_name = link.getElementsByClassName("record_name_text")[0].innerText;

            const firstName = record_name.split(" ")[0].toLowerCase().trim();
            const lastName = record_name.substring(firstName.length + 1).replace(" ", "_").toLowerCase().trim();
            const name = (firstName + "_" + lastName).replaceAll("/", "_");

            return "https://www.myheritage.com/person-{personId}_{siteId}_{siteId}/{name}".formatUnicorn({"name": name, "personId": fullPersonId, "siteId": siteId});
        }

        const getMyHeritageFamilyLinkFromReturnUrl = function(hrefLink, link) {
            hrefLink = decodeURIComponent(hrefLink);

            let parsedReturnUrl = ["", ""];
            hrefLink.match(returnUrlRecordRegex).forEach((url) => {
                url = url.replace("record-1-", "");
                parsedReturnUrl = parseItemId(url)
            })


            var siteId = parsedReturnUrl[0];
            var fullPersonId = parsedReturnUrl[1];

            const record_name = link.getElementsByClassName("record_name_text")[0].innerText;

            const firstName = record_name.split(" ")[0].toLowerCase().trim();
            const lastName = record_name.substring(firstName.length + 1).replace(" ", "_").toLowerCase().trim();
            const name = (firstName + "_" + lastName).replaceAll("/", "_");

            return "https://www.myheritage.com/person-{personId}_{siteId}_{siteId}/{name}".formatUnicorn({"name": name, "personId": fullPersonId, "siteId": siteId});
        }

        const record_cards = document.getElementsByClassName("record_card");
        Array.from(record_cards).forEach((record_card) => {
            let link;
            let myHeritageFamilyLink = "";

            if (record_card.getElementsByClassName("collection_name")[0].innerText.startsWith("MyHeritage Family Trees")) {

                link = record_card.getElementsByClassName("record_title")[0].getElementsByTagName("a")[0];

                const hrefLink = link.getAttribute("href");

                if (hrefLink.includes("itemId=")){
                    myHeritageFamilyLink = getMyHeritageFamilyLinkFromItemId(hrefLink, link);
                } else if (hrefLink.includes("return_url=")){
                    myHeritageFamilyLink = getMyHeritageFamilyLinkFromReturnUrl(hrefLink, link);
                } else {
                    const thumbnail = record_card.getElementsByClassName("record_thumbnail");
                    let siteId;
                    if (thumbnail.length === 1) {
                        thumbnail[0].getAttribute("style").match(urlRegex).forEach((url) => {
                            let parts = url.split("/");
                            siteId = parts[6]
                        })
                        myHeritageFamilyLink = "https://www.myheritage.com/site-{siteId}/".formatUnicorn({"siteId": siteId});
                    }
                }
            } else if (record_card.getElementsByClassName("collection_name")[0].innerText.startsWith("MyHeritage Family Sites")) {
                link = record_card.getElementsByClassName("record_title")[0].getElementsByTagName("a")[0];

                const hrefLink = link.getAttribute("href");
                const urlParams = new URLSearchParams(hrefLink.split("?")[1]);
                const siteId = parseInt(urlParams.get("itemId"));
                myHeritageFamilyLink = "https://www.myheritage.com/site-{siteId}/".formatUnicorn({"siteId": siteId});
            }

            if (myHeritageFamilyLink) {
                link.href = myHeritageFamilyLink;
                record_card.replaceWith(record_card.cloneNode(true));
            }
    });
}, 2000);
}, false)