hexo-theme-stellar/layout/_partial/sidebar/index.ejs

<%
if (page.sidebar == null) {
  const { site_tree } = theme
  var sidebar
  if (is_home()) {
    sidebar = site_tree.home.sidebar
  } else if (is_category() || is_tag() || is_archive() || ['categories', 'tags', 'archives'].includes(page.layout)) {
    sidebar = site_tree.blog.sidebar
  } else if (page.layout === 'index_topic') {
    // 专栏列表页等同于博客列表页
    sidebar = site_tree.blog.sidebar
  } else if (page.layout === 'topic') {
    sidebar = site_tree.topic.sidebar
  } else if (page.layout === 'index_wiki' || page.layout === 'wiki') {
    sidebar = site_tree.wiki.sidebar
  } else if (page.layout === '404') {
    sidebar = site_tree.error_page.sidebar
  } else if (page.layout === 'page') {
    sidebar = site_tree.page.sidebar
  } else if (page.layout === 'post') {
    sidebar = site_tree.post.sidebar
  } else if (page.layout == null) {
    sidebar = site_tree.page.sidebar
  } else {
    sidebar = []
  }

  if (page.layout === 'topic' && page.topic && theme.topic?.tree[page.topic]?.sidebar) {
    sidebar = theme.topic.tree[page.topic].sidebar
  }
  if (page.layout == 'wiki' && page.wiki && theme.wiki?.tree[page.wiki]?.sidebar) {
    sidebar = theme.wiki.tree[page.wiki].sidebar
  }

  page.sidebar = sidebar
}

// parse array string
if (typeof page.sidebar == 'string') {
  page.sidebar = page.sidebar.replace(/ /g, '').split(',');
}
function layoutTitle(main, url, sub) {
  var el = '';
  el += '<a class="title" href="' + url_for(url || "/") + '">';
  el += '<div class="main" ff="title">' + main + '</div>';
  if (sub) {
    let arr = sub.split('|');
    if (arr.length > 1) {
      el += '<div class="sub normal cap">' + arr.shift().trim() + '</div>';
      el += '<div class="sub hover cap" style="opacity:0">' + arr.join('|') + '</div>';
    } else {
      el += '<div class="sub cap">' + sub + '</div>';
    }
  }
  el += '</a>';
  return el;
}
function layoutWidgets() {
  var el = '';
  var proj;
  if (page.layout === 'wiki' && page.wiki) {
    proj = theme.wiki.tree[page.wiki];
  }
  el += '<div class="widgets">';
  if (page.sidebar) {
    page.sidebar.forEach((w, i) => {
      let name = ''
      let widget = {}
      if (typeof w == 'string') {
        name = w
      } else if (typeof w == 'object' && w.override) {
        name = w.override
      }
      if (name in theme.data.widgets) {
        Object.assign(widget, theme.data.widgets[name])
      }
      if (typeof w == 'object' && (w.override || w.layout)) {
        Object.assign(widget, w)
      }
      if (widget && widget.layout) {
        el += partial('../widgets/' + widget.layout, {item: widget})
      }
    });
  }
  el += '</div>';
  return el;
}
function layoutFooterDiv() {
  if (page.layout !== 'wiki' && theme.footer.social) {
    var el = '<footer class="footer dis-select">';
    el += '<div class="social-wrap">';
    for (let id of Object.keys(theme.footer.social)) {
      let item = theme.footer.social[id];
      if (item.icon && (item.url || item.onclick)) {
        el += '<a class="social"';
        if (item.title) {
          el += ' title="' + item.title + '"';
        }
        if (item.url) {
          el += ' href="' + url_for(item.url) + '"';
          if (item.url.includes('://')) {
            el += ' target="_blank" rel="external nofollow noopener noreferrer"';
          } else {
            el += ' rel="noopener noreferrer"';
          }
        } else if (item.onclick) {
          item.onclick = item.onclick.replace(/"|\'/g, '&quot;');
          el += ' onclick="' + item.onclick + '"';
        }
        el += '>';
        el += item.icon;
        el += '</a>';
      }
    }
    el += '</div>';
    el += '</footer>';
    return el;
  } else {
    return '';
  }
}

function layoutLogo() {
  return partial('logo', {where: 'sidebar'})
}

function layoutNavArea() {
  var search = {}
  if (page.search) {
    search = page.search
  } else if (page.wiki && page.layout == 'wiki' && theme.wiki.tree[page.wiki]) {
    const proj = theme.wiki.tree[page.wiki]
    if (proj.search) {
      search = proj.search
    }
  } else if (page.topic && page.layout == 'topic' && theme.topic.tree[page.topic]) {
    const topic = theme.topic.tree[page.topic]
    if (topic.search) {
      search = topic.search
    }
  }
  var el = ''
  el += `<div class="nav-area">`
  el += partial('search', {item: search})
  el += partial('menu', {where: 'sidebar'})
  el += `</div>`
  return el
}
%>
<%- layoutLogo() %>
<%- layoutNavArea() %>
<%- layoutWidgets() %>
<%- layoutFooterDiv() %>