Class: GraphQL::Language::Visitor::NodeVisitor
- Inherits:
-
Object
- Object
- GraphQL::Language::Visitor::NodeVisitor
- Defined in:
- lib/graphql/language/visitor.rb
Overview
Collect ‘enter` and `leave` hooks for classes in Nodes
Access NodeVisitors via #[]
Instance Attribute Summary collapse
-
#enter ⇒ Array<Proc>
readonly
Hooks to call when entering a node of this type.
-
#leave ⇒ Array<Proc>
readonly
Hooks to call when leaving a node of this type.
Instance Method Summary collapse
-
#<<(hook) ⇒ Object
Shorthand to add a hook to the #enter array.
-
#initialize ⇒ NodeVisitor
constructor
A new instance of NodeVisitor.
Constructor Details
#initialize ⇒ NodeVisitor
Returns a new instance of NodeVisitor.
85 86 87 88 |
# File 'lib/graphql/language/visitor.rb', line 85 def initialize @enter = [] @leave = [] end |
Instance Attribute Details
#enter ⇒ Array<Proc> (readonly)
Returns Hooks to call when entering a node of this type.
81 82 83 |
# File 'lib/graphql/language/visitor.rb', line 81 def enter @enter end |
#leave ⇒ Array<Proc> (readonly)
Returns Hooks to call when leaving a node of this type.
83 84 85 |
# File 'lib/graphql/language/visitor.rb', line 83 def leave @leave end |
Instance Method Details
#<<(hook) ⇒ Object
Shorthand to add a hook to the #enter array
92 93 94 |
# File 'lib/graphql/language/visitor.rb', line 92 def <<(hook) enter << hook end |