Class: JsDuck::Js::Fires

Inherits:
Object
  • Object
show all
Includes:
Util::Singleton
Defined in:
lib/jsduck/js/fires.rb

Overview

Looks the AST of a FunctionDeclaration or FunctionExpression for uses of this.fireEvent().

Instance Method Summary collapse

Methods included from Util::Singleton

included

Instance Method Details

#detect(function_node) ⇒ Object

Returns array of event names fired by the given function. When no events fired, empty array is returned.



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# File 'lib/jsduck/js/fires.rb', line 14

def detect(function_node)
  @traverser = Js::ScopedTraverser.new

  events = []
  @traverser.traverse(function_node["body"]) do |node|
    if fire_event?(node)
      events << node["arguments"][0].to_value
    end
  end

  events.sort.uniq
end