Class: GraphQL::Execution::Interpreter::HashResponse

Inherits:
Object
  • Object
show all
Defined in:
lib/graphql/execution/interpreter/hash_response.rb

Overview

This response class handles #write by accumulating values into a Hash.

Instance Method Summary collapse

Constructor Details

#initialize ⇒ HashResponse

Returns a new instance of HashResponse.

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# File 'lib/graphql/execution/interpreter/hash_response.rb', line 9

def initialize
  @result = {}
end

Instance Method Details

#final_value ⇒ Object

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# File 'lib/graphql/execution/interpreter/hash_response.rb', line 13

def final_value
  @result
end

#inspect ⇒ Object

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# File 'lib/graphql/execution/interpreter/hash_response.rb', line 17

def inspect
  "#<#{self.class.name} result=#{@result.inspect}>"
end

#write(path, value) ⇒ void

This method returns an undefined value.

Add value at path.

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# File 'lib/graphql/execution/interpreter/hash_response.rb', line 23

def write(path, value)
  if path.empty?
    @result = value
  elsif (write_target = @result)
    i = 0
    prefinal_steps = path.size - 1
    # Use `while` to avoid a closure
    while i < prefinal_steps
      path_part = path[i]
      i += 1
      write_target = write_target[path_part]
    end
    path_part = path[i]
    write_target[path_part] = value
  else
    # The response is completely nulled out
  end

  nil
end