lib/chartkick.rb in chartkick-1.3.2 vs lib/chartkick.rb in chartkick-1.4.0

@@ -13,12 +13,12 @@
 
 # for multiple series
 # use Enumerable so it can be called on arrays
 module Enumerable
   def chart_json
-    if is_a?(Hash) and (key = keys.first) and key.is_a?(Array) and key.size == 2
-      group_by{|k, v| k[0] }.map do |name, data|
-        {name: name, data: data.map{|k, v| [k[1], v] }}
+    if is_a?(Hash) && (key = keys.first) && key.is_a?(Array) && key.size == 2
+      group_by { |k, _v| k[0] }.map do |name, data|
+        {name: name, data: data.map { |k, v| [k[1], v] }}
       end
     else
       self
     end.to_json
   end