Class: Antlers::SlotNode

Inherits:
BranchNode show all
Includes:
Namespace, Props
Defined in:
lib/nodes/slot_node.rb

Constant Summary collapse

DEF_KEY = 
:slot_def
END_KEY = 
:slot_end

Instance Attribute Summary collapse

Attributes included from Props

#props

Attributes inherited from AntlerNode

#name

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Variables

#evaluate, #fallback

Methods included from Queries

user_defined_string?, wrapped_in?

Methods included from Namespace

#class_constant, #class_from_namespace

Methods inherited from AntlerNode

#==, #eql?, #hash

Constructor Details

#initialize(name:, namespace:, props: [], children: []) ⇒ SlotNode

Returns a new instance of SlotNode.



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# File 'lib/nodes/slot_node.rb', line 17

def initialize(name:, namespace:, props: [], children: [], **)
  super(name:, props:, children:)

  @namespace = namespace
end

Instance Attribute Details

#children ⇒ Object

Returns the value of attribute children.



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# File 'lib/nodes/slot_node.rb', line 15

def children
  @children
end

Class Method Details

.build(segment:, namespace:) ⇒ Object 



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# File 'lib/nodes/slot_node.rb', line 46

def build(segment:, namespace:)
  new(name: segment[DEF_KEY], props: segment[:props], namespace:)
end

.match?(segment:) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nodes/slot_node.rb', line 42

def match?(segment:)
  segment[DEF_KEY]
end

Instance Method Details

#end_name ⇒ Object 



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# File 'lib/nodes/slot_node.rb', line 37

def end_name
  @name
end

#render(current_binding: nil, parent_binding: nil, slot_node: nil) ⇒ Object 



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# File 'lib/nodes/slot_node.rb', line 23

def render(current_binding: nil, parent_binding: nil, slot_node: nil)
  props = evaluate_props(props: @props, current_binding:)
  event = create_render_event(props:)

  # TODO: Get LowLoad to load constants defined in "<{ MyNode }>" syntax so that we can resolve namespace/params on class load.
  klass = class_constant(namespace: @namespace&.split('::') || [], name:)
  instance = klass.new(event:)

  # Classes referenced via "<{ ChildNode }>" must implement class/instance render/render_template methods (See LowNode).
  return instance.render_template(event:, parent_binding: current_binding, slot_node: self, props:) if klass.template

  props.empty? ? instance.render(event:) : instance.render(event:, **props)
end