Defend against slow heatmap setup

d999e649 · Randall Leeds · 71439428 · d999e649
Commit d999e649 authored Aug 10, 2013 by Randall Leeds
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controllers.coffee h/js/controllers.coffee +1 -0

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--- a/h/js/controllers.coffee
+++ b/h/js/controllers.coffee
@@ -28,6 +28,7 @@ class App

    heatmap.subscribe 'updated', =>
      elem = d3.select(heatmap.element[0])
+      return unless elem?.datum()
      data = {highlights, offset} = elem.datum()
      tabs = elem.selectAll('div').data data
      height = $(window).outerHeight(true)