jade menu

index.jade

//- index.pug
extends layout
append sharedVars
  - var pageUrl = 'about.html';
block title
  | My title
block content
  h1 Мой заголовок
  .content
     p Hello World

menu.jade

//- menu.pug
- var nav = [{url: '/', name: 'Home'}, {url: 'about.html', name: 'About'}];
mixin navItem(url, name, current)
  li.nav-item(class={active: current})
    a.link(href=url)= name
    
doctype html
html(lang="en")
  block sharedVars
  head
    block title
  body
    ul.nav
      each i in nav
        +navItem(i.url, i.name, i.url == pageUrl)
    block content