 
     ticks
 
+
   _rankHistory: ->
-    return unless @props.rankHistories
-
-    data = @props.rankHistories.data
+    data = (@props.rankHistories?.data || [])
       .filter (rank) => rank > 0
 
     data = data.map (rank, i) =>

    $(window).off '.profilePagePerformance'

  _yAxisTickValues: (data) ->
    rankRange = d3.extent data, (d) => d.y

    @_allTicks ||= [-1, -2.5, -5]

      h2 className: 'profile-extra__title', Lang.get('users.show.extra.performance.title')
      
      div
        div ref: 'chartArea', className: 'chart'
