83 lines
2.2 KiB
Ruby
83 lines
2.2 KiB
Ruby
module Hashie
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module Extensions
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module SymbolizeKeys
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# Convert all keys in the hash to symbols.
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#
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# @example
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# test = {'abc' => 'def'}
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# test.symbolize_keys!
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# test # => {:abc => 'def'}
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def symbolize_keys!
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SymbolizeKeys.symbolize_keys!(self)
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self
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end
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# Return a new hash with all keys converted
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# to symbols.
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def symbolize_keys
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SymbolizeKeys.symbolize_keys(self)
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end
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module ClassMethods
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# Symbolize all keys recursively within nested
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# hashes and arrays.
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# @api private
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def symbolize_keys_recursively!(object)
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case object
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when self.class
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symbolize_keys!(object)
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when ::Array
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object.each do |i|
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symbolize_keys_recursively!(i)
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end
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when ::Hash
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symbolize_keys!(object)
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end
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end
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# Convert all keys in hash to symbols.
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#
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# @param [Hash] hash
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# @example
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# test = {'abc' => 'def'}
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# Hashie.symbolize_keys! test
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# test # => {:abc => 'def'}
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def symbolize_keys!(hash)
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hash.extend(Hashie::Extensions::SymbolizeKeys) unless hash.respond_to?(:symbolize_keys!)
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hash.keys.each do |k| # rubocop:disable Performance/HashEachMethods
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symbolize_keys_recursively!(hash[k])
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hash[convert_key(k)] = hash.delete(k)
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end
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hash
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end
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# Return a copy of hash with all keys converted
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# to symbols.
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# @param [::Hash] hash
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def symbolize_keys(hash)
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copy = hash.dup
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copy.extend(Hashie::Extensions::SymbolizeKeys) unless copy.respond_to?(:symbolize_keys!)
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copy.tap do |new_hash|
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symbolize_keys!(new_hash)
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end
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end
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private
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# Converts a key to a symbol, if possible
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#
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# @api private
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# @param [<K>] key the key to attempt convert to a symbol
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# @return [Symbol, K]
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def convert_key(key)
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key.respond_to?(:to_sym) ? key.to_sym : key
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end
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end
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class << self
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include ClassMethods
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end
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end
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end
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end
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