Easy-Session-Manager/src/scripts/replaced.js

const sanitaize = {
    encode: str => {
        str = str || "";
        return str
            .replace(/&/g, "&")
            .replace(/</g, "&lt;")
            .replace(/>/g, "&gt;")
            .replace(/"/g, "&quot;")
            .replace(/'/g, "&#39;");
      },
    decode: str => {
        str = str || "";
        return str
            .replace(/&lt;/g, "<")
            .replace(/&gt;/g, ">")
            .replace(/&quot;/g, '"')
            .replace(/&#39;/g, "'")
            .replace(/&amp;/g, "&");
      }
};

let parameter = returnReplaceParameter(location.href);

document.title = parameter.title;
document.getElementsByClassName("title")[0].innerText = parameter.title;
document.getElementsByClassName("replacedUrl")[0].value = parameter.url;
if (parameter.favIconUrl === "" || parameter.favIconUrl === "undefined") {
    parameter.favIconUrl = "../icons/nofavicon.png";
}
document.head.insertAdjacentHTML(
    "beforeend",
    `<link rel="shortcut icon" href="${sanitaize.encode(parameter.favIconUrl)}">`
);
document.body.dataset.theme = parameter.theme || "light";

const copy = () => {
    const url = document.querySelector(".replacedUrl");
    url.select();
    document.execCommand("Copy");
    document.querySelector(".copyButton").innerText = "Copied.";
};

document.querySelector(".copyButton").onclick = copy;

function returnReplaceParameter(url) {
    let parameter = {};
    let paras = url.split("?")[1].split("&");

    for (let p of paras) {
        parameter[p.split("=")[0]] = decodeURIComponent(p.split("=")[1]);
    }

    return parameter;
}