Class: GraphQL::Stitching::Request::ApplyRuntimeDirectives

Inherits:
Language::Visitor
  • Object
show all
Defined in:
lib/graphql/stitching/request.rb

Instance Method Summary collapse

Constructor Details

#initialize(document, variables) ⇒ ApplyRuntimeDirectives

Returns a new instance of ApplyRuntimeDirectives.



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# File 'lib/graphql/stitching/request.rb', line 10

def initialize(document, variables)
  @changed = false
  @variables = variables
  super(document)
end

Instance Method Details

#changed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/graphql/stitching/request.rb', line 16

def changed?
  @changed
end

#on_field(node, parent) ⇒ Object 



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# File 'lib/graphql/stitching/request.rb', line 20

def on_field(node, parent)
  delete_node = false
  filtered_directives = if node.directives.any?
    node.directives.select do |directive|
      if directive.name == "skip"
        delete_node = assess_argument_value(directive.arguments.first)
        false
      elsif directive.name == "include"
        delete_node = !assess_argument_value(directive.arguments.first)
        false
      else
        true
      end
    end
  end

  if delete_node
    @changed = true
    super(DELETE_NODE, parent)
  elsif filtered_directives && filtered_directives.length != node.directives.length
    @changed = true
    super(node.merge(directives: filtered_directives), parent)
  else
    super
  end
end