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How to make Sidebar Sticky in Magento 2

Hello Magento Friends,

In this Magento tutorial blog, I am going to illustrate How to make Sidebar Sticky in Magento 2.

Sticky Sidebar is the same as Sticky Header that will be displayed all-time on the display window. Check our previous article where I have discussed How to Add Sticky Header Component in Magento 2.

With a sticky sidebar, you can display important elements of the product including add to cart button, or product options. The customer can freely explore your Magento 2 store and add the product to the cart anytime they wish.

Let’s start with How to make Sidebar Sticky in Magento 2.

Steps to make Sidebar sticky in Magento 2:

Step 1: Create _extend.less file as given below path and add code.

app\design\frontend\Themes\Yourtheme\web\css\source\

.media-width(@extremum, @break) when (@extremum = 'min') and (@break = @screen__m)
{
    .box-tocart .action.tocart
    {
        width: 100%;
        margin-right: 0;
    }
    .sidebar
    {
        &.fixed
        {
            position: fixed;
        }
    }
}

Step 2: Create catalog_product_view.xml file as give below path and add code.

app\design\frontend\Themes\Yourtheme\Magento_Catalog\layout\

<?xml version="1.0"?>
<page layout="2columns-right" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
    <body>
        <referenceBlock remove="true" name="catalog.compare.sidebar" />
        <referenceBlock remove="true" name="wishlist_sidebar" />
        <move element="product.info" destination="sidebar.additional" />
        <referenceContainer name="sidebar.additional">
            <block class="Magento\Framework\View\Element\Template"
                   name="sidebar_sticky"
                   template="Magento_Catalog::product/view/sidebar_sticky.phtml"
                   after="-" />
        </referenceContainer>
	 </body>
</page>

Step 3: Create sidebar_sticky.phtml file as give below path and add code.

app\design\frontend\Themes\Yourtheme\Magento_Catalog\templates\product\view\

<script type="text/javascript" data-mage-init='{"sidebarstickyshow":{}}'>
</script>

Step 4: Create requirejs-config.js file as give below path and add code.

app\design\frontend\Themes\Yourtheme\

var config = {
    map: {
        "*": {
            sidebarstickyshow: "js/sticky-sidebar",
        }
    }
};

Step 5: Create a sticky-sidebar.js file as give below path and add code.

app\design\frontend\Themes\Yourtheme\web\js\

define(["jquery", "matchMedia", "domReady!"], function ($, mediaCheck)
{
    "use strict";
    var sidebar = {};
    var product_form_class = $(".product-add-form");
    var mobile_target_detect = $(".product-info-main > .price-box");
    var page_main = $(".page-main");
    var page_main_view_show;
    var main = $(".main");
    var main_view;
    var header = $(".page-header");
    var nav = $(".nav-sections");
    var breadcrumbs = $(".breadcrumbs");
    var product_addtocart_bottom = parseInt($("#product-addtocart-button").css("margin-bottom"));
    var padding_bottom = parseInt(main.css("padding-bottom"));
    var margin_bottom = parseInt($(".product.info.detailed").css("margin-bottom"));
    sidebar.el = $(".sidebar");
    sidebar.padding_ratio = parseFloat(sidebar.el.css("padding-left")) / page_main.width();
    sidebar.horizontalview = function ()
    {
        if (sidebar.el.hasClass("fixed"))
        {
            page_main_view_show = parseFloat(page_main.width());
            main_view = parseFloat(main.width());
            sidebar.width = page_main_view_show - main_view;
            sidebar.left = ($(window).width() - page_main_view_show) / 2 + main_view;
            sidebar.p_left = parseInt(page_main_view_show * sidebar.padding_ratio);
            sidebar.el.css({
                "width": sidebar.width + "px",
                "left": sidebar.left + "px",
                "padding-left": sidebar.p_left + "px"
            });
        }
    };
    sidebar.desktopview = function ()
    {
        sidebar.height = sidebar.el.height();
        var scrolled_from_top = $(window).scrollTop();
        var header_h = header.outerHeight(true) || 0;
        var nav_h = nav.outerHeight(true) || 0;
        var breadcrumbs_h = breadcrumbs.outerHeight(true) || 0;
        var content_h = main.outerHeight(true) || 0;
        var sidebar_limit_top = header_h + nav_h + breadcrumbs_h;
        var sidebar_limit_bottom = sidebar_limit_top + content_h;
        var sidebar_limit_bottom_criteria = scrolled_from_top + sidebar.height + padding_bottom + product_addtocart_bottom - margin_bottom;
        if (sidebar_limit_bottom < sidebar_limit_bottom_criteria)
        {
            sidebar.top = sidebar_limit_bottom - sidebar_limit_bottom_criteria;
            sidebar.el.css({"top": sidebar.top + "px"});
        }
        else if (scrolled_from_top > sidebar_limit_top)
        {
            if (!sidebar.el.hasClass("fixed"))
            {
                sidebar.el.addClass("fixed");
                sidebar.horizontalview();
            }
            sidebar.top = 0;
            sidebar.el.css({"top": sidebar.top + "px"});
        }
        else
        {
            sidebar.el.removeClass("fixed").removeAttr("style");
        }
    };
    var onResize = function ()
    {
        $(window).on("resize", function ()
        {
            sidebar.horizontalview();
        });
    }, onScroll = function ()
    {
        $(window).on("scroll", function ()
        {
            sidebar.desktopview();
        });
    }, onInit = function ()
    {
        mediaCheck({
            media: "(min-width: 768px)",
            entry: function ()
            {
                sidebar.el
                    .addClass("fixed")
                    .prepend(product_form_class.detach());
                sidebar.horizontalview();
                sidebar.desktopview();
                onResize();
                onScroll();
            },
            exit: function ()
            {
                product_form_class.detach().insertAfter(mobile_target_detect);
                sidebar.el
                    .removeClass("fixed")
                    .removeAttr("style");
            }
        });
    };
});

Check final result as shown below:

Conclusion:

Hence, implementing the above steps will help you to make Sidebar Sticky in Magento 2. Also, check out Magento 2 Sticky Add To Cart extension for displaying an appealing sticky bar and Add to Cart button. In case you face any difficulty, leave a comment below. I will be right back to you. Also, do not forget to share the solution with your Magento co-workers. Stay tuned for more updates!

Happy Reading!

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