index.js
function (id) {
        var span = document.createElement('span')
        span.title = id
        api.sbot.names.getSignifier(id, function (err, name) {
          span.textContent = name
        })
        if(!span.textContent)
          span.textContent = id
        return span
      }
function (id) {
        var span = document.createElement('span')
        span.title = id
        api.sbot.names.getSignifier(id, function (err, name) {
          span.textContent = name
        })
        if(!span.textContent)
          span.textContent = id
        return span
      }
function ( id ) { var span = document . createElement ( 'span' ) span . title = id api . sbot . names . getSignifier ( id , function ( err , name ) { span . textContent = name } ) if ( ! span . textContent ) span . textContent = id return span }
fall through...
fall through ...