first commit

1 files changed, 35 insertions, 0 deletions

diff --git a/logic/helpers/hash.rb b/logic/helpers/hash.rb
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index 0000000..52bd8d4
--- /dev/null
+++ b/logic/helpers/hash.rb
@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+module NanoBot
+  module Logic
+    module Helpers
+      module Hash
+        def self.symbolize_keys(object)
+          case object
+          when ::Hash
+            object.each_with_object({}) do |(key, value), result|
+              result[key.to_sym] = symbolize_keys(value)
+            end
+          when Array
+            object.map { |e| symbolize_keys(e) }
+          else
+            object
+          end
+        end
+
+        def self.fetch(object, path)
+          node = object
+
+          return nil unless node
+
+          path.each do |key|
+            node = node[key]
+            break if node.nil?
+          end
+
+          node
+        end
+      end
+    end
+  end
+end