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.
29 30 31 32 33 |
# File 'lib/graphql/analysis/ast/query_depth.rb', line 29 def initialize(query) @max_depth = 0 @current_depth = 0 super end |
Instance Method Details
#on_enter_field(node, parent, visitor) ⇒ Object
35 36 37 38 39 |
# File 'lib/graphql/analysis/ast/query_depth.rb', line 35 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
41 42 43 44 45 46 47 48 |
# File 'lib/graphql/analysis/ast/query_depth.rb', line 41 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
50 51 52 |
# File 'lib/graphql/analysis/ast/query_depth.rb', line 50 def result @max_depth end |