Class: GraphQL::Analysis::AST::QueryDepth
- Defined in:
- lib/graphql/analysis/ast/query_depth.rb
Direct Known Subclasses
Instance Method Summary collapse
-
#initialize(query) ⇒ QueryDepth
constructor
A new instance of QueryDepth.
- #on_enter_field(node, parent, visitor) ⇒ Object
- #on_leave_field(node, parent, visitor) ⇒ Object
- #result ⇒ Object
Methods inherited from Analyzer
Constructor Details
#initialize(query) ⇒ QueryDepth
Returns a new instance of QueryDepth.
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# File 'lib/graphql/analysis/ast/query_depth.rb', line 28 def initialize(query) @max_depth = 0 @current_depth = 0 super end |
Instance Method Details
#on_enter_field(node, parent, visitor) ⇒ Object
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# File 'lib/graphql/analysis/ast/query_depth.rb', line 34 def on_enter_field(node, parent, visitor) return if visitor.skipping? || visitor.visiting_fragment_definition? @current_depth += 1 end |
#on_leave_field(node, parent, visitor) ⇒ Object
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# File 'lib/graphql/analysis/ast/query_depth.rb', line 40 def on_leave_field(node, parent, visitor) return if visitor.skipping? || visitor.visiting_fragment_definition? if @max_depth < @current_depth @max_depth = @current_depth end @current_depth -= 1 end |
#result ⇒ Object
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# File 'lib/graphql/analysis/ast/query_depth.rb', line 49 def result @max_depth end |