hash_support.rb in fusuma-3.1.0

- old
+ new

@@ -1,8 +1,30 @@
 # frozen_string_literal: true
 
 # Patch to hash
 class Hash
+  # activesupport-5.2.0/lib/active_support/core_ext/hash/deep_merge.rb
+  def deep_merge(other_hash, &block)
+    dup.deep_merge!(other_hash, &block)
+  end
+
+  # Same as +deep_merge+, but modifies +self+.
+  def deep_merge!(other_hash, &block)
+    merge!(other_hash) do |key, this_val, other_val|
+      if this_val.is_a?(Hash) && other_val.is_a?(Hash)
+        this_val.deep_merge(other_val, &block)
+      elsif block
+        block.call(key, this_val, other_val)
+      else
+        other_val
+      end
+    end
+  end
+
+  def deep_stringify_keys
+    deep_transform_keys(&:to_s)
+  end
+
   # activesupport-4.1.1/lib/active_support/core_ext/hash/keys.rb
   def deep_symbolize_keys
     deep_transform_keys do |key|
       key.to_sym
     rescue