Class: RubyNext::Language::Rewriters::ItParam

Inherits:
Base
  • Object
show all
Defined in:
lib/ruby-next/language/rewriters/edge/it_param.rb

Constant Summary collapse

NAME = 
"it-param"
SYNTAX_PROBE = 
"proc { it.keys }.call({})"
MIN_SUPPORTED_VERSION = 
Gem::Version.new("3.4.0")

Instance Attribute Summary

Attributes inherited from Base

#locals

Instance Method Summary collapse

Methods inherited from Base

ast?, #initialize, #s

Methods inherited from Abstract

ast?, #initialize, text?, transform, unsupported_syntax?, unsupported_version?

Constructor Details

This class inherits a constructor from RubyNext::Language::Rewriters::Base

Instance Method Details

#on_block(node) ⇒ Object 



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# File 'lib/ruby-next/language/rewriters/edge/it_param.rb', line 13

def on_block(node)
  proc_or_lambda, args, body = *node.children

  return super unless block_has_it?(body)

  context.track! self

  new_body = s(:begin,
    s(:lvasgn, :it, s(:lvar, :_1)),
    body)

  insert_before(body.loc.expression, "it = _1;")

  process(
    node.updated(:numblock, [
      proc_or_lambda,
      args,
      new_body
    ])
  )
end