Add Utils module

lib/calligraphy/utils.rb

@@ -0,0 +1,22 @@
+module Calligraphy
+  module Utils
+    TRUE_VALUES = [true, 1, '1', 't', 'T', 'true', 'TRUE']
+    FALSE_VALUES = [false, 0, '0', 'f', 'F', 'false', 'FALSE']
+
+    def is_true?(val)
+      TRUE_VALUES.include? val
+    end
+
+    def is_false?(val)
+      FALSE_VALUES.include? val
+    end
+
+    def join_paths(*paths)
+      paths.join '/'
+    end
+
+    def split_and_pop(path:, separator: '/')
+      path.split(separator)[0..-2]
+    end
+  end
+end