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Display breadcrumbs with Bootstrap 5 on a Piranha site

2021-08-03 Piranha
Here's a quick and easy way to implement breadcrumbs on your Piranha site. The solution is based on Bootstrap 5 breadcrumb component

https://getbootstrap.com/docs/5.0/components/breadcrumb/

/Views/Shared/LayoutPartials/_Breadcrumbs.cshtml
@{
    var breadcrumbs = WebApp.Site.Sitemap.GetBreadcrumb(WebApp.CurrentPage.Id);
}
<div id="breadcrumbs" class="breadcrumbs container">
    <nav aria-label="breadcrumb">
        <ol class="breadcrumb">
            <li class="breadcrumb-item"><a href="/">Home</a></li>
            @foreach (var item in breadcrumbs)
            {
                bool isCurrentPage = (WebApp.CurrentPost is null && item == breadcrumbs.Last());

                <li class="breadcrumb-item @(isCurrentPage ? "active": "")" @(isCurrentPage ? "aria-current=\"page\"" : "")>

                    @if (isCurrentPage)
                    {
                        @item.Title
                    }
                    else
                    {
                        <a href="@item.Permalink">@item.Title</a>
                    }
                </li>
            }
            @if (WebApp.CurrentPost is not null)
            {
                <li class="breadcrumb-item active" aria-current="page">@WebApp.CurrentPost.Title</li>
            }

        </ol>
    </nav>
</div>
On a view where you want the breadcrumbs to be displayed
<partial name="/Views/Shared/LayoutPartials/_Breadcrumbs.cshtml" />
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