Class: JsDuck::Js::MethodCalls

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

Overview

Looks the AST of a FunctionDeclaration or FunctionExpression for calls to methods of the owner class.

Instance Method Summary collapse

Methods included from Util::Singleton

included

Instance Method Details

#detect(function_node) ⇒ Object

Returns array of method names called by the given function. When no methods called, empty array is returned.



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

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

  methods = []
  @traverser.traverse(function_node["body"]) do |node|
    if method_call?(node)
      methods << node["callee"]["property"].to_s
    end
  end

  methods.sort.uniq
end