Module: GraphQL::StaticValidation::ArgumentNamesAreUnique

Includes:
Error::ErrorHelper
Defined in:
lib/graphql/static_validation/rules/argument_names_are_unique.rb

Instance Method Summary collapse

Methods included from Error::ErrorHelper

#error

Instance Method Details

#on_directive(node, parent) ⇒ Object 



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# File 'lib/graphql/static_validation/rules/argument_names_are_unique.rb', line 12

def on_directive(node, parent)
  validate_arguments(node)
  super
end

#on_field(node, parent) ⇒ Object 



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# File 'lib/graphql/static_validation/rules/argument_names_are_unique.rb', line 7

def on_field(node, parent)
  validate_arguments(node)
  super
end

#validate_arguments(node) ⇒ Object 



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# File 'lib/graphql/static_validation/rules/argument_names_are_unique.rb', line 17

def validate_arguments(node)
  argument_defns = node.arguments
  if argument_defns.size > 1
    seen = {}
    argument_defns.each do |a|
      name = a.name
      if seen.key?(name)
        prev = seen[name]
        if prev.is_a?(Array)
          prev << a
        else
          seen[name] = [prev, a]
        end
      else
        seen[name] = a
      end
    end
    seen.each do |name, val|
      if val.is_a?(Array)
        add_error(GraphQL::StaticValidation::ArgumentNamesAreUniqueError.new("There can be only one argument named \"#{name}\"", nodes: val, name: name))
      end
    end
  end
end