How can I recursively create a UL/LI's from JSON data - multiple layers deep

Question

I am trying to use use the following JSON data to create the following similar structure in a recursive inner function with not much luck, really need some help and so if an

Answer 1

Pure ES6

var foo=(arg)=>
`<ul>
${arg.map(elem=>
    elem.sub?
        `<li>${foo(elem.sub)}</li>`
        :`<li>${elem.name}</li>`
    )}
</ul>`

JSON example

   var bar = [
  {
    name: 'Home'
  }, {
    name: 'About'
  }, {
    name: 'Portfolio'
  }, {
    name: 'Blog'
  }, {
    name: 'Contacts'
  }, {
    name: 'Features',
    sub: [
      {
        name: 'Multipage'
      }, {
        name: 'Options',
        sub: [
          {
            name: 'General'
          }, {
            name: 'Sidebars'
          }, {
            name: 'Fonts'
          }, {
            name: 'Socials'
          }
        ]
      }, {
        name: 'Page'
      }, {
        name: 'FAQ'
      }
    ]
  }
]
var result=foo(bar)

Your 'result' will be valid HTML