const copyToClipboard = str => {
    const el = document.createElement('textarea');
    el.value = str;
    el.setAttribute('readonly', '');
    el.style.position = 'absolute';
    el.style.left = '-9999px';
    document.body.appendChild(el);

    const selected = document.getSelection().rangeCount > 0 ? document.getSelection().getRangeAt(0) : false;

    el.select();
    document.execCommand('copy');
    document.body.removeChild(el);

    if (selected) {
        document.getSelection().removeAllRanges();
        document.getSelection().addRange(selected);
    }
};