function _ctCaseWords(input) {
        var s = (input || '').trim();
        if (!s) return [];
        // Split on whitespace, punctuation, and case boundaries (XMLHttpRequest -> XML Http Request).
        var withBoundaries = s
            .replace(/([a-z0-9])([A-Z])/g, '$1 $2')
            .replace(/([A-Z]+)([A-Z][a-z])/g, '$1 $2');
        return withBoundaries
            .split(/[\s_\-\.\/\\:;,]+/)
            .filter(function(w){ return w.length > 0; })
            .map(function(w){ return w.toLowerCase(); });
    }

    function convert(input) {
        var words = _ctCaseWords(input);
        if (!words.length) return '';

        var lower = words.join(' ');
        var upper = lower.toUpperCase();
        var title = words.map(function(w){ return w.charAt(0).toUpperCase() + w.slice(1); }).join(' ');
        var sentence = words.length ? words[0].charAt(0).toUpperCase() + words[0].slice(1) + (words.length > 1 ? ' ' + words.slice(1).join(' ') : '') : '';
        var camel = words.map(function(w, i){ return i === 0 ? w : w.charAt(0).toUpperCase() + w.slice(1); }).join('');
        var pascal = words.map(function(w){ return w.charAt(0).toUpperCase() + w.slice(1); }).join('');
        var snake = words.join('_');
        var screamingSnake = snake.toUpperCase();
        var kebab = words.join('-');
        var dot = words.join('.');
        var path = words.join('/');

        return 'lower case:    ' + lower
            + '\nUPPER CASE:    ' + upper
            + '\nTitle Case:    ' + title
            + '\nSentence case: ' + sentence
            + '\ncamelCase:     ' + camel
            + '\nPascalCase:    ' + pascal
            + '\nsnake_case:    ' + snake
            + '\nCONSTANT_CASE: ' + screamingSnake
            + '\nkebab-case:    ' + kebab
            + '\ndot.case:      ' + dot
            + '\npath/case:     ' + path;
    }







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;

}