lib/validates_cpf/cpf.rb in validates_cpf-2.0.1 vs lib/validates_cpf/cpf.rb in validates_cpf-3.0.0

@@ -1,54 +1,54 @@
+# frozen_string_literal: true
+
 module ValidatesCpf
   class Cpf
     def initialize(number)
       number =~ /^(\d{3}\.?\d{3}\.?\d{3})-?(\d{2})$/
       @number = number
-      @pure_number = $1
-      @result = $2
-      @cleaned_number = @pure_number.nil? ? nil : @number.gsub(/[\.-]/, "")
+      @pure_number = Regexp.last_match(1)
+      @result = Regexp.last_match(2)
+      @cleaned_number = @pure_number.nil? ? nil : @number.gsub(/[\.-]/, '')
       format_number! if @pure_number
     end
 
     def valid?
       return true if @number.blank?
       return false unless @pure_number
       check_cpf
     end
 
-    def number
-      @number
-    end
+    attr_reader :number
 
     private
 
     def check_cpf
-      return false if @cleaned_number.length != 11 or @cleaned_number.scan(/\d/).uniq.length == 1
+      return false if @cleaned_number.length != 11 || @cleaned_number.scan(/\d/).uniq.length == 1
       @result == first_digit_verifier + second_digit_verifier
     end
 
     def first_digit_verifier
       sum = multiply_and_sum([10, 9, 8, 7, 6, 5, 4, 3, 2], @pure_number)
-      digit_verifier(sum%11).to_s
+      digit_verifier(sum % 11).to_s
     end
 
     def second_digit_verifier
       sum = multiply_and_sum([11, 10, 9, 8, 7, 6, 5, 4, 3, 2], @pure_number + first_digit_verifier)
-      digit_verifier(sum%11).to_s
+      digit_verifier(sum % 11).to_s
     end
 
     def multiply_and_sum(array, number)
       multiplied = []
       number.scan(/\d{1}/).each_with_index { |e, i| multiplied[i] = e.to_i * array[i] }
-      multiplied.inject { |s,e| s + e }
+      multiplied.inject { |s, e| s + e }
     end
 
     def digit_verifier(rest)
       rest < 2 ? 0 : 11 - rest
     end
 
     def format_number!
       @cleaned_number =~ /(\d{3})(\d{3})(\d{3})(\d{2})/
-      @number = "#{$1}.#{$2}.#{$3}-#{$4}"
+      @number = "#{Regexp.last_match(1)}.#{Regexp.last_match(2)}.#{Regexp.last_match(3)}-#{Regexp.last_match(4)}"
     end
   end
 end