hexo-theme-stellar/layout/_partial/main/navbar/breadcrumb.ejs

<% if (page.breadcrumb != false) { %>
  <div class='breadcrumb-navigation'>
  <% if (page.layout == 'post') { %>
    <%
    var firstCat = '';
    if (page.categories && page.categories.length > 0) {
      firstCat = page.categories.data[0].name;
    }
    %>
    <div id='breadcrumb'<%- category_color(firstCat) %>>
      <a class='cap breadcrumb' href='/'><%- __('btn.home') %></a>
      <span class="sep"></span>
      <a class='cap breadcrumb' href='/'><%- __('btn.blog') %></a>
      <% if (page.layout == 'post' && page.categories && page.categories.length > 0) { %>
        <span class="sep"></span>
        <%- list_categories(page.categories, {
            class: 'cap breadcrumb',
            show_count: false,
            separator: ' <span class="sep"></span> ',
            style: 'none'
            }) %>
      <% } %>
    </div>
    <div id='post-meta'>
      <%- __('meta.created') %>&nbsp;<time datetime='<%- date_xml(page.date) %>'><%- date(page.date, config.date_format) %></time>
    </div>
  <% } else if (page.layout == 'wiki') { %>
    <%
    var catPage = '';
    site.pages.filter(function (p) {
      return p.layout == 'index' && p.title && p.wiki && p.wiki.includes(page.wiki)
    }).limit(1).each(function(p) {
      catPage = p;
    });
    %>
    <div id='breadcrumb'<%- category_color(catPage.title) %>>
      <a class='cap breadcrumb' href='/'><%- __('btn.home') %></a>
      <span class="sep"></span>
      <% if (page.menu_id && theme.sidebar.menu[page.menu_id] && md_link(theme.sidebar.menu[page.menu_id])) { %>
        <a class='cap breadcrumb' href='<%- url_for(md_link(theme.sidebar.menu[page.menu_id])) %>'><%- __(md_text(theme.sidebar.menu[page.menu_id])) %></a>
      <% } else { %>
        <a class='cap breadcrumb' href='<%- url_for(config.wiki_dir || "/wiki/") %>'><%- __('btn.wiki') %></a>
      <% } %>
      <% if (catPage && catPage.title && catPage.path) { %>
        <span class="sep"></span>
        <a class='cap breadcrumb' href='<%- url_for(catPage.path) %>'><%- catPage.title %></a>
      <% } %>
      <% site.pages.filter(function (p) { %>
        <% return p.layout == 'wiki' && p.wiki == page.wiki && p.description %>
      <% }).limit(1).each(function(p) { %>
        <span class="sep"></span>
        <a class='cap breadcrumb' href='<%- url_for(p.path) %>'><%- page.wiki %></a>
      <% }); %>
    </div>
    <div id='post-meta'>
      <%- __('meta.updated') %>&nbsp;<time datetime='<%- date_xml(page.updated) %>'><%- date(page.updated, config.date_format) %></time>
    </div>
  <% } else { %>
      <div id='breadcrumb'>
        <a class='cap breadcrumb' href='/'><%- __('btn.home') %></a>
        <span class="sep"></span>
        <a class='cap breadcrumb' href='<%- url_for(page.path) %>'><%- page.title || page.seo_title %></a>
      </div>
  <% } %>
  </div>
<% } %>