Module: GraphQL::Analysis

Defined in:
lib/graphql/analysis/field_usage.rb,
lib/graphql/analysis/query_depth.rb,
lib/graphql/analysis/analyze_query.rb,
lib/graphql/analysis/reducer_state.rb,
lib/graphql/analysis/max_query_depth.rb,
lib/graphql/analysis/query_complexity.rb,
lib/graphql/analysis/max_query_complexity.rb

Defined Under Namespace

Classes: FieldUsage, MaxQueryComplexity, MaxQueryDepth, QueryComplexity, QueryDepth, ReducerState

Class Method Summary collapse

Class Method Details

.analyze_query(query, analyzers) ⇒ Array<Any>

Visit query's internal representation, calling analyzers along the way.

  • First, query analyzers are initialized by calling .initial_value(query), if they respond to that method.
  • Then, they receive .call(memo, visit_type, irep_node), where visit type is :enter or :leave.
  • Last, they receive .final_value(memo), if they respond to that method.

It returns an array of final memo values in the order that analyzers were passed in.


15
16
17
18
19
20
21
22
23
24
25
# File 'lib/graphql/analysis/analyze_query.rb', line 15

def analyze_query(query, analyzers)
  reducer_states = analyzers.map { |r| ReducerState.new(r, query) }

  irep = query.internal_representation

  irep.each do |name, op_node|
    reduce_node(op_node, reducer_states)
  end

  reducer_states.map { |r| r.finalize_reducer }
end