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vendor/rails/activesupport/lib/active_support/json/backends/jsongem.rb

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require 'json' unless defined?(JSON)

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module ActiveSupport

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  module JSON

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    module Backends

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      module JSONGem

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        ParseError = ::JSON::ParserError

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        extend self

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        # Converts a JSON string into a Ruby object.

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        def decode(json)

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          data = ::JSON.parse(json)

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          if ActiveSupport.parse_json_times

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            convert_dates_from(data)

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          else

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            data

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          end

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        end

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      private

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        def convert_dates_from(data)

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          case data

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            when DATE_REGEX

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              DateTime.parse(data)

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            when Array

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              data.map! { |d| convert_dates_from(d) }

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            when Hash

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              data.each do |key, value|

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                data[key] = convert_dates_from(value)

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              end

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            else data

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          end

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        end

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      end

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    end

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  end

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end

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