hexo-theme-stellar/layout/_partial/widgets/toc.ejs

<%

function layoutTocBody() {
  if (toc(page.content).length > 0) {
    return toc(page.content, {
      list_number: item.list_number,
      min_depth: item.min_depth,
      max_depth: item.max_depth
    })
  }
  return ''
}

function layoutTocHeader(title) {
  var el = ''
  el += `<div class="widget-header dis-select">`
  el += `<span class="name">${title || __("meta.toc")}</span>`
  el += `<a class="cap-action" onclick="sidebar.toggleTOC()" >${icon('default:rightbar')}</a>`
  el += `</div>`
  return el
}

function layoutToc(fallback) {
  const tocBody = layoutTocBody()
  if (tocBody.length == 0) {
    return ''
  }
  var el = ''
  el += `<widget class="widget-wrapper${scrollreveal(' ')} toc" id="data-toc" collapse="${item.collapse}">`
  el += layoutTocHeader()
  el += `<div class="widget-body">`
  el += tocBody
  el += `</div>`
  el += `</widget>`
  return el
}

function layoutDiv(fallback) {
  const editBtn = partial('components/edit', {map: item.edit_this_page})
  const tocBody = layoutTocBody()
  if (tocBody.length == 0 && editBtn.length == 0) {
    return ''
  }
  var el = ''
  el += `<widget class="widget-wrapper${scrollreveal(' ')} toc" id="data-toc" collapse="${item.collapse}">`
  if (tocBody.length > 0) {
    el += layoutTocHeader()
    el += `<div class="widget-body">`
    el += tocBody
    el += `</div>`
  }
  if (editBtn.trim().length > 0) {
    el += `<div class="widget-footer">`
    el += editBtn
    el += `</div>`
  }
  el += `</widget>`
  return el
}

%>

<%- layoutDiv() %>