String.prototype.replaceAll = function (search, replacement) { return this.replace(new RegExp(search, 'g'), replacement); };
String.prototype.capitalize = function() { return this.charAt(0).toUpperCase() + this.slice(1); };
Array.prototype.remove = function (s) {
    if (typeof this.indexof === "undefined") {
        return;
    }
    var i = this.indexOf(s);
    if (i > -1) {
        this.splice(i, 1);
    }
};
Array.prototype.equals = function (array) {
    // if the other array is a falsy value, return
    if (!array)
        return false;

    // compare lengths - can save a lot of time
    if (this.length != array.length)
        return false;

    for (var i = 0, l=this.length; i < l; i++) {
        // Check if we have nested arrays
        if (this[i] instanceof Array && array[i] instanceof Array) {
            // recurse into the nested arrays
            if (!this[i].equals(array[i]))
                return false;
        }
        else if (this[i] != array[i]) {
            // Warning - two different object instances will never be equal: {x:20} != {x:20}
            return false;
        }
    }
    return true;
};
// Hide method from for-in loops
Object.defineProperty(Array.prototype, 'equals', {enumerable: false});
Object.defineProperty(Array.prototype, 'remove', {enumerable: false});

jQuery.fn.exists = function () { return this.length !== 0; };
jQuery.fn.doesntExist = function () { return this.length === 0; };
jQuery.fn.isVisible = function () { return $(this).is(':visible'); };
jQuery.fn.notVisible = function () { return !$(this).is(':visible'); };
jQuery.fn.isMouseOver = function () { return $(this).is(':hover'); };
jQuery.fn.isChecked = function () { return $(this).is(':checked'); };
jQuery.fn.isCheckbox = function () { return $(this).prop('type') == 'checkbox'; };
jQuery.fn.hasAttr = function (name) { return $(this).attr(name) !== undefined; };
jQuery.fn.rebind = function (a, f) { $(this).off(a, f); $(this).on(a, f); };
jQuery.fn.isFocused = function () { return $(this).is(':focus'); };
jQuery.fn.changeHtml = function (newHtml) {
    $(this).each(function () {
        let $e = $(this);
        if (!$e.children('.wrapped').exists()) {
            $e.wrapInner('<div class="wrapped"></div>');
            let $dimmer = $e.children('.wrapped').children('.ui.dimmer');
            if ($dimmer.exists()) {
                $dimmer.appendTo($e);
            }
        }
        $e.children('.wrapped')
            .html(newHtml)
            .unwrap();
    });
};

jQuery.fn.extend({
    qcss: function(css) {
       return $(this).queue(function(next) {
          $(this).css(css);
          next();
       });
    }
 });

jQuery.fn.getOffsetTopFromRootParent = function() {
    let elem = this[0];
    let offset = 0;
    while (elem.offsetParent != null) {
        offset += elem.offsetTop;
        elem = $(elem.offsetParent)[0];
        if (elem.offsetParent === null) {
            offset += elem.offsetTop;
        }
    }
    return offset;
};

jQuery.fn.selectRange = function(start, end) {
    if (!end) {
        end = start;
    }
    return this.each(function() {
        if (this.setSelectionRange) {
            this.focus();
            this.setSelectionRange(start, end);
        } else if (this.createTextRange) {
            var range = this.createTextRange();
            range.collapse(true);
            range.moveEnd('character', end);
            range.moveStart('character', start);
            range.select();
        }
    });
};

var uniqId = (function() {
    let i = 0;
    return function() {
        return i++;
    };
})();