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

<%
var proj;
if (page.layout === 'wiki' && page.wiki) {
  proj = theme.wiki.projects[page.wiki];
}
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[0].trim() + '</div>';
      el += '<div class="sub hover cap" style="opacity:0">' + arr[1].trim() + '</div>';
    } else if (arr.length > 0) {
      el += '<div class="sub cap">' + arr[0] + '</div>';
    }
  }
  el += '</a>';
  return el;
}

function layoutDiv() {
  var el = '';
  if (page.layout == 'wiki' && page.menu_id == 'wiki') {
    return el;
  }
  el += '<header class="header';
  if (where == 'main') {
    el += ' mobile-only';
  }
  el += '">';

  el += '<div class="logo-wrap">';
  if (md_text(theme.sidebar.logo.avatar)) {
    el += '<a class="avatar" href="' + url_for(md_link(theme.sidebar.logo.avatar) || "/") + '">';
    if (theme.style.animated_avatar.animate) {
      el += '<div class="bg" style="opacity:0;background-image:url(' + theme.style.animated_avatar.background + ');"></div>';
    }
    el += '<img no-lazy class="avatar" src="' + md_text(theme.sidebar.logo.avatar) + '">';
    el += '</a>';
  }
  let main = md_text(theme.sidebar.logo.title);
  if (main) {
    let url = md_link(theme.sidebar.logo.title);
    let sub = config.subtitle;
    el += layoutTitle(main, url, sub);
  }
  el += '</div>';

  if (where != 'main') {
    el += partial('menu', {where: where});
  }
  el += '</header>';
  return el;
}
%>

<%- layoutDiv() %>