heratyian/breadcrumbs.md

## breadcrumbs.md

      
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              breadcrumbs.md
            
          
    Ruby on Rails implementation of Bootstrap Breadcrumb
app/controllers/posts_controller.rb
class PostsController < ApplicationController
  ...
  def show
    @breadcrumbs = [
      {content: "Posts", href: posts_path},
      {content: @post.to_s, href: post_path(@post)},
    ]
  end
  ...
end
app/views/shared/_breadcrumbs.html.erb
<% if @breadcrumbs.present? %>
  <nav aria-label="breadcrumb">
    <ol class="breadcrumb">
      <% @breadcrumbs.each do |breadcrumb| %>
        <% if breadcrumb == @breadcrumbs.last %>
          <li class="breadcrumb-item active" aria-current="page">
            <%= breadcrumb.fetch(:content) %>
          </li>
        <% else %>
          <li class="breadcrumb-item">
            <%= link_to breadcrumb.fetch(:content), breadcrumb[:href] %>
          </li>
        <% end %>
      <% end %>
    </ol>
  </nav>
<% end %>
app/views/layouts/application.html.erb
<body>
  <%= render "shared/breadcrumbs" %>
  <%= yield %>
</body>