class DeepHashTransformer

# File lib/deep_hash_transformer.rb, line 14
def initialize(hash)
  @hash = hash
end

# File lib/deep_hash_transformer.rb, line 18
def tr(*ops)
  transform_value(hash, ops)
end

# File lib/deep_hash_transformer.rb, line 41
def transform_key(key, ops)
  return key unless [String, Symbol].include?(key.class)

  ops.inject(key) { |k, op| OPS.fetch(op).call(k) }
end

# File lib/deep_hash_transformer.rb, line 30
def transform_value(value, ops)
  case value
  when Array
    value.map { |e| transform_value(e, ops) }
  when Hash
    value.map { |k, v| [transform_key(k, ops), transform_value(v, ops)] }.to_h
  else
    value
  end
end