Merhabalar Slider arasında boşluk bırakınca en sağdaki sliderin hep sağında boşluk oluyor bunu nasıl düzeltebilirim

<!DOCTYPE html>
<html lang="tr">
<head>
    <meta charset="UTF-8">
    <title>Sürüklemeli Slider</title>
    <style>
        .gwpSlider {
            overflow: hidden;
            width: 100%;
            margin: auto;
        }

        .gwpSlider-container {
            transition: transform 0.2s ease-in-out;
            will-change: transform;
            cursor: grab;
        }

        .gwpSlider-container.grabbing {
            cursor: grabbing;
        }

        .gwpSlider-item {
            box-sizing: border-box;
            display: flex;
            float:left;
            align-items: center;
            justify-content: center;
            font-size: 2em;
            user-select: none;
        }
        .gwpSlider-item > div {
            width:100%;
        }
        body {
            padding:0;
            margin: 0;
        }
    </style>
    <script src="https://code.jquery.com/jquery-3.7.1.js" integrity="sha256-eKhayi8LEQwp4NKxN+CfCh+3qOVUtJn3QNZ0TciWLP4=" crossorigin="anonymous"></script>
</head>
<body>
    <div class="gwpSlider">
        <div id="gwpSlider" class="gwpSlider-container">
            <div class="gwpSlider-item" >
                <div style="background-color: lightcoral;">
                    1
                </div>
            </div>
            <div class="gwpSlider-item" >
                <div style="background-color: lightcoral;">
                    2
                </div>
            </div>
            <div class="gwpSlider-item" >
                <div style="background-color: lightcoral;">
                    3
                </div>
            </div>
            <div class="gwpSlider-item" >
                <div style="background-color: lightcoral;">
                    4
                </div>
            </div>
            <div class="gwpSlider-item" >
                <div style="background-color: lightcoral;">
                    5
                </div>
            </div>
            <div class="gwpSlider-item" >
                <div style="background-color: lightcoral;">
                    6
                </div>
            </div>
            <div class="gwpSlider-item" >
                <div style="background-color: lightcoral;">
                    7
                </div>
            </div>
            <div class="gwpSlider-item" >
                <div style="background-color: lightcoral;">
                    8
                </div>
            </div>
        </div>
        <div class="gwpSlider-button">
            <button class="gwpSlider-button-prev">
                Önceki
            </button>
            <button class="gwpSlider-button-next">
                Sonraki
            </button>
        </div>
    </div>

    <script>
        (function( $ ){
            $.fn.gwpSlider = function( options ) {  
                var settings = $.extend({
                    PerView: '1',
                    margin: '10'
                }, options);
                return this.each(function() {        
                    var $this = $(this),
                    sliderWidth = $this.width() / settings.PerView,
                    sliderTotalWidth = sliderWidth * $this.find(".gwpSlider-item").length;
                    var test = settings.margin / ($this.find(".gwpSlider-item").length);
                    $this.find(".gwpSlider-container").width(sliderTotalWidth);
                    $this.find(".gwpSlider-item").css({"width":(sliderWidth - settings.margin),"margin-right":settings.margin});




                    const carousel = document.getElementById('gwpSlider');
                    const container = carousel.parentElement;
                    let isDragging = false;
                    let startPos = 0;
                    let currentTranslate = 0;
                    let prevTranslate = 0;
                    let animationID = 0;
                    let currentIndex = 0;




                    carousel.addEventListener('mousedown', (e) => {
                        isDragging = true;
                        startPos = getPositionX(e);
                        carousel.classList.add('grabbing');
                        animationID = requestAnimationFrame(animation);
                    });

                    window.addEventListener('mouseup', () => {
                        if (!isDragging) return;
                        isDragging = false;
                        cancelAnimationFrame(animationID);
                        const movedBy = currentTranslate - prevTranslate;

                        if (movedBy < -100 && currentIndex < carousel.children.length - settings.PerView) currentIndex += 1;
                        if (movedBy > 100 && currentIndex > 0) currentIndex -= 1;

                        setPositionByIndex();
                        carousel.classList.remove('grabbing');
                    });
                    carousel.addEventListener('mousemove', (e) => {
                        if (!isDragging) return;
                        currentTranslate = prevTranslate + getPositionX(e) - startPos;
                        cancelAnimationFrame(animationID);
                        animationID = requestAnimationFrame(animation);
                    });
                    function getPositionX(e) {
                        return e.pageX;
                    }
                    function animation() {
                        setCarouselPosition();
                    }
                    function setCarouselPosition() {
                        carousel.style.transform = `translateX(${currentTranslate}px)`;
                    }
                    $(".gwpSlider-button button").on("click",function() {
                        if ($(this).hasClass("gwpSlider-button-next")) {
                            currentIndex++;
                            if ((carousel.children.length - settings.PerView) < currentIndex) {
                                currentIndex = 0;
                            }
                        }else {
                            currentIndex--;
                            if (currentIndex <= 0) {
                                currentIndex = 0;
                            }
                        }
                        
                        
                        const slideWidth = container.offsetWidth / settings.PerView;
                        currentTranslate = currentIndex * -slideWidth;
                        prevTranslate = currentTranslate;
                        setCarouselPosition();

                    });
                    function setPositionByIndex() {
                        const slideWidth = container.offsetWidth / settings.PerView;
                        currentTranslate = currentIndex * -slideWidth;
                        prevTranslate = currentTranslate;
                        setCarouselPosition();
                    }
                });
            };
        })( jQuery );
        $(".gwpSlider").gwpSlider({
            PerView:3,
            margin:30
        });
    </script>
</body>
</html>