function _ctFormatUnixOutput(date) {
        var iso = date.toISOString().replace('T', ' ').replace('Z', ' UTC');
        return 'UTC: ' + iso
            + '\nLocal: ' + date.toString()
            + '\nUnix (seconds): ' + Math.floor(date.getTime() / 1000)
            + '\nUnix (milliseconds): ' + date.getTime();
    }

    function convert(input) {
        var value = (input || '').trim();

        if (!value) {
            return _ctFormatUnixOutput(new Date());
        }

        if (/^-?\d+(\.\d+)?$/.test(value)) {
            var num = Number(value);
            if (!isFinite(num)) return 'Invalid timestamp.';
            var ms = Math.abs(num) >= 1000000000000 ? num : num * 1000;
            var byTimestamp = new Date(ms);
            if (isNaN(byTimestamp.getTime())) return 'Invalid timestamp.';
            return _ctFormatUnixOutput(byTimestamp);
        }

        var dateInput = value;
        if (/^\d{4}-\d{2}-\d{2}$/.test(dateInput)) {
            dateInput += 'T00:00:00';
        }

        var byDate = new Date(dateInput);
        if (isNaN(byDate.getTime())) {
            return 'Invalid date format. Try a Unix timestamp or a date like 2024-01-15 or 2024-01-15T13:45:00Z.';
        }

        return _ctFormatUnixOutput(byDate);
    }







var _loadedScripts = {};
function loadScriptPromise(url) {
    if (_loadedScripts[url]) return _loadedScripts[url];
    _loadedScripts[url] = new Promise(function (resolve, reject) {
        var s = document.createElement('script');
        s.src = url;
        s.onload = resolve;
        s.onerror = reject;
        document.head.appendChild(s);
    });
    return _loadedScripts[url];
}

function replaceAll(find, replace, str) {
    return str.replace(new RegExp(find, 'g'), replace);
}

function beautify(str) {


    var result = '';

    var length = str.length;

    var i = 0;

    var braceCountLeft = 0;
    var braceCountRight = 0;

    var withinQuotes = false;

    while (i < length) {

        var c = str[i];

        if (c == '"' && (i == 0 || c[i - 1] != '\\')) {
            // non-escaped quotes
            withinQuotes = !withinQuotes;
        }

        if (!withinQuotes && (c == '}' || c == '{' || c == ',')) {

            console.log('Start####' + result);

            // look back and remove carriage returns and whitespace that are already there

            var resultIndex = result.length - 1;
            while (resultIndex >= 0 && (result[resultIndex] == ' ' || result[resultIndex] == '\r' || result[resultIndex] == '\n' || result[resultIndex] == '\t')) {

                resultIndex = resultIndex - 1;
                result = result.substr(0, resultIndex + 1);

                console.log('char ' + result[resultIndex] + '-----' + result + 'zzz ' + result.length + ' ' + resultIndex);

            }


            if (c == '{') {
                braceCountLeft++;
                result += c + '\r' + GetTabs(braceCountLeft - braceCountRight);
            } else if (c == '}') {
                braceCountRight++;
                // precede with carriage return
                result += '\r' + GetTabs(braceCountLeft - braceCountRight) + c;
            } else if (c == ',') {
                result += c + '\r' + GetTabs(braceCountLeft - braceCountRight);
            }

            var nextChar = '';

            // advance through whitespace and remove carriage returns that are already there
            while (i < length && (str[i + 1] == ' ' || str[i + 1] == '\r' || str[i + 1] == '\n' || str[i + 1] == '\t')) {
                i++;
            }

        } else {

            result += str[i];

        }


        i++;

    }

    return result;

}

function GetTabs(count) {

    var result = '';

    for (var i = 0; i < count; i++) {
        result += '    ';
    }

    return result;

}