Class: GraphQL::Analysis::AST::MaxQueryComplexity

Inherits:
QueryComplexity show all
Defined in:
lib/graphql/analysis/ast/max_query_complexity.rb

Overview

Used under the hood to implement complexity validation, see Schema#max_complexity and Query#max_complexity

Instance Method Summary collapse

Methods inherited from QueryComplexity

#initialize, #max_possible_complexity, #on_enter_field, #on_enter_fragment_spread, #on_leave_field, #on_leave_fragment_spread

Methods inherited from Analyzer

#analyze?, build_visitor_hooks, #initialize

Constructor Details

This class inherits a constructor from GraphQL::Analysis::AST::QueryComplexity

Instance Method Details

#result ⇒ Object 



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# File 'lib/graphql/analysis/ast/max_query_complexity.rb', line 9

def result
  return if query.max_complexity.nil?

  total_complexity = max_possible_complexity

  if total_complexity > query.max_complexity
    GraphQL::AnalysisError.new("Query has complexity of #{total_complexity}, which exceeds max complexity of #{query.max_complexity}")
  else
    nil
  end
end