Module: Ruby2JS::Filter::Wunderbar

Includes:
SEXP
Defined in:
lib/ruby2js/filter/wunderbar.rb

Instance Method Summary collapse

Methods included from SEXP

#S, #s

Instance Method Details

#on_block(node) ⇒ Object 



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# File 'lib/ruby2js/filter/wunderbar.rb', line 36

def on_block(node)
  send, args, *block = node.children
  target, method, *_ = send.children
  while target!=nil and target.type==:send and target.children.length==2
    target, method = target.children
  end

  if target == nil and method.to_s.start_with? "_"
    if args.children.empty?
      # append block as a standalone proc
      process send.updated(nil, [*send.children, *process_all(block)])
    else
      # iterate over Enumerable arguments if there are args present
      send = send.children
      return super if send.length < 3
      process s(:block, s(:send, *send[0..1], *send[3..-1]),
        s(:args), s(:block, s(:send, send[2], :map),
        *node.children[1..-1]))
    end
  else
    super
  end
end

#on_send(node) ⇒ Object 



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# File 'lib/ruby2js/filter/wunderbar.rb', line 8

def on_send(node)
  target, method, *attrs = node.children

  if target == s(:const, nil, :Wunderbar)
    if [:debug, :info, :warn, :error, :fatal].include? method
      method = :error if method == :fatal
      return node.updated(nil, [s(:const, nil, :console), method, *attrs])
    end
  end

  stack = []
  while target!=nil and target.type==:send and target.children.length==2
    name = method.to_s
    if name.end_with? '!'
      stack << s(:hash, s(:pair, s(:sym, :id), s(:str, name[0..-2])))
    else
      stack << s(:hash, s(:pair, s(:sym, :class), s(:str, name)))
    end
    target, method = target.children
  end

  if target == nil and method.to_s.start_with? "_"
    S(:xnode, *method.to_s[1..-1], *stack, *process_all(attrs))
  else
    super
  end
end