1 files changed, 14 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/big_decimal/yaml_conversions.rb b/activesupport/lib/active_support/core_ext/big_decimal/yaml_conversions.rb
new file mode 100644
index 0000000000..46ba93ead4
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/big_decimal/yaml_conversions.rb
@@ -0,0 +1,14 @@
+ActiveSupport::Deprecation.warn 'core_ext/big_decimal/yaml_conversions is deprecated and will be removed in the future.'
+
+require 'bigdecimal'
+require 'yaml'
+require 'active_support/core_ext/big_decimal/conversions'
+
+class BigDecimal
+  YAML_MAPPING = { 'Infinity' => '.Inf', '-Infinity' => '-.Inf', 'NaN' => '.NaN' }
+
+  def encode_with(coder)
+    string = to_s
+    coder.represent_scalar(nil, YAML_MAPPING[string] || string)
+  end
+end