document.addEventListener("DOMContentLoaded", function() {
    setTimeout(function() {
        let list = document.querySelectorAll('a');
        list.forEach((element) => searchAndAdd(element));
    }, 500);
});

function searchAndAdd(element) {
    let str = vars.domains;
    const items = str.split(/\r?\n|\r|\n/g);

    for (const trigger of items) {
        if (element.href.startsWith(trigger)) {
            addParam(element);
            break;
        }
    }
}

function addParam(element) {
    let url = element.href;

    try {
        let objUrl = new URL(url);
        objUrl.searchParams.append('rel', 'sponsored');
        element.setAttribute("href", objUrl);
    } catch (error) {
        console.error('Skipping rel=sponsored add to ' + url + ' (could not be made into a URL object)');
    }
}