<% const commentSystems = {}; %> <% commentSystems.valine = theme.valine.enable && theme.valine.appId && theme.valine.appKey ? true : false; %> <% commentSystems.waline = theme.waline.enable && theme.waline.serverURL ? true : false; %> <% commentSystems.twikoo = theme.twikoo.enable && theme.twikoo.envId ? true : false; %> <% commentSystems.gitalk = theme.gitalk.enable && theme.gitalk.clientID && theme.gitalk.clientSecret ? true : false; %> <% commentSystems.giscus = theme.giscus.enable ? true : false; %> <% const activeSystems = Object.keys(commentSystems).filter(system => commentSystems[system]); %> <% if (activeSystems.length > 0) { %> <% } %>