🐛 Add guard when screenDelta is NaN

atom-minimap · Jan 7, 2015 · 4f1f204 · 4f1f204
1 parent 3aa521b
commit 4f1f204
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/mixins/decoration-management.coffee b/lib/mixins/decoration-management.coffee
@@ -168,6 +168,10 @@ class DecorationManagement extends Mixin
     firstRenderedScreenRow = @getFirstVisibleScreenRow()
     screenDelta = (lastRenderedScreenRow - firstRenderedScreenRow) - (endScreenRow - startScreenRow)
 
+    if isNaN(screenDelta)
+      console.log startScreenRow, endScreenRow, firstRenderedScreenRow, lastRenderedScreenRow
+      screenDelta = 0
+
     changeEvent =
       start: startScreenRow
       end: endScreenRow