Add safer check for window properties (#458)

2017-03-31 22:01:58 +02:00
parent bccd2db942
commit 81216840c9
1 changed files with 2 additions and 1 deletions
@@ -20,7 +20,8 @@ function Framework (opts) {
  }

  var timingEnabled = opts.timing === undefined ? true : opts.timing
-  var hasPerformance = window.performance && window.performance.mark
+  var hasWindow = typeof window !== 'undefined'
+  var hasPerformance = hasWindow && window.performance && window.performance.mark
  var router = nanorouter(routerOpts)
  var bus = nanobus()
  var rerender = null