refactor: str_is_integer? method

lib/glare/util.rb

@@ -0,0 +1,15 @@
+module Glare
+  class Util
+    def self.str_is_integer?(str)
+      [                          # In descending order of likeliness:
+        /^[-+]?[1-9]([0-9]*)?$/, # decimal
+        /^0[0-7]+$/,             # octal
+        /^0x[0-9A-Fa-f]+$/,      # hexadecimal
+        /^0b[01]+$/              # binary
+      ].each do |match_pattern|
+        return true if str =~ match_pattern
+      end
+      false
+    end
+  end
+end

lib/glare/ux_metrics.rb

@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require "glare/util"
+
 module Glare
   module UxMetrics
     class Error < StandardError; end
@@ -21,7 +23,8 @@ def valid?
           return false unless missing_attributes.empty?
 
           return false unless choices.values.all? do |v|
-            return v.to_i.to_s == v || v.to_f.to_s == v if v.is_a?(String)
+            return Glare::Util.str_is_integer?(v) if v.is_a?(String)
+
             true
           end
 
@@ -598,3 +601,9 @@ def in_hotspot?
     end
   end
 end
+
+class String
+  def integer?
+
+  end
+end

sig/glare/util.rbs

@@ -0,0 +1,5 @@
+module Glare
+  class Util
+    def self.str_is_integer?: (String) -> bool
+  end
+end