Class: LiveCable::Rendering::MethodDependencyVisitor

Inherits:
Prism::Visitor
  • Object
show all
Defined in:
lib/live_cable/rendering/method_dependency_visitor.rb

Overview

Visitor that tracks dependencies within a method body

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(component_class, reactive_vars) ⇒ MethodDependencyVisitor

Returns a new instance of MethodDependencyVisitor.

Parameters:

  • component_class (Class) —

    The component class being analyzed

  • reactive_vars (Array<Symbol>) —

    List of reactive variable names



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# File 'lib/live_cable/rendering/method_dependency_visitor.rb', line 17

def initialize(component_class, reactive_vars)
  super()
  @component_class = component_class
  @method_calls = Set.new
  @reactive_var_reads = Set.new
  @reactive_vars = reactive_vars
end

Instance Attribute Details

#method_calls ⇒ Set<Symbol> (readonly)

Returns:

  • (Set<Symbol>) 


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# File 'lib/live_cable/rendering/method_dependency_visitor.rb', line 10

def method_calls
  @method_calls
end

#reactive_var_reads ⇒ Set<Symbol> (readonly)

Returns:

  • (Set<Symbol>) 


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# File 'lib/live_cable/rendering/method_dependency_visitor.rb', line 13

def reactive_var_reads
  @reactive_var_reads
end

Instance Method Details

#visit_call_node(node) ⇒ void

This method returns an undefined value.

Track method calls

Parameters:

  • node (Prism::CallNode) 


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# File 'lib/live_cable/rendering/method_dependency_visitor.rb', line 28

def visit_call_node(node)
  method_name = node.name

  # Track if this is a reactive variable access
  @reactive_var_reads << method_name if reactive_vars.include?(method_name)

  # Track method calls on self (implicit receiver or explicit self)
  if node.receiver.nil? || node.receiver.is_a?(Prism::SelfNode)
    @method_calls << method_name
  end

  super
end