lib/cotcube-helpers/array_ext.rb in cotcube-helpers-0.1.3 vs lib/cotcube-helpers/array_ext.rb in cotcube-helpers-0.1.4

@@ -1,24 +1,27 @@
-class Array
+# frozen_string_literal: true
 
+# Monkey patching the Ruby Core class Array
+class Array
   # returns nil if the compacted array is empty, otherwise returns the compacted array
-  def compact_or_nil(*args, &block)
-    return nil if self.compact == [] 
-    yield self.compact
+  def compact_or_nil(*_args)
+    return nil if compact == []
+
+    yield compact
   end
 
   # sorts by a given attribute and then returns groups of where this attribute is equal
   # .... seems like some_array.group_by(&attr).values
   def split_by(attrib)
     res = []
-    sub = [] 
-    self.sort_by(&attrib).each do |elem|
-      if sub.empty? or sub.last[attrib] == elem[attrib]
+    sub = []
+    sort_by(&attrib).each do |elem|
+      if sub.empty? || (sub.last[attrib] == elem[attrib])
         sub << elem
       else
         res << sub
-        sub = [ elem ]
+        sub = [elem]
       end
     end
     res << sub
     res
   end
@@ -35,19 +38,19 @@
 
       block.call(self[i - 1], self[i])
     end.compact
   end
 
-  alias_method :one_by_one, :pairwise
+  alias one_by_one pairwise
 
   # same as pairwise, but with arity of three
   def triplewise(&block)
     raise ArgumentError, 'Array.triplewise needs an arity of 3 (i.e. |a, b, c|)' unless block.arity == 3
     return [] if size <= 2
 
     each_with_index.map do |_, i|
       next if i < 2
 
-      block.call(self[i - 2], self[i-1], self[i])
+      block.call(self[i - 2], self[i - 1], self[i])
     end.compact
   end
 end