Class: RubyNext::Language::Rewriters::ShorthandHash

Inherits:
Base
  • Object
show all
Defined in:
lib/ruby-next/language/rewriters/3.1/shorthand_hash.rb

Constant Summary collapse

NAME = 
"shorthand-hash"
SYNTAX_PROBE = 
"data = {x:}"
MIN_SUPPORTED_VERSION = 
Gem::Version.new("3.1.0")

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_pair(node) ⇒ Object 



11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
 
# File 'lib/ruby-next/language/rewriters/3.1/shorthand_hash.rb', line 11

def on_pair(node)
  return super(node) unless (node.children[0].loc.last_column == node.children[1].loc.last_column) &&
    (node.children[1].loc.first_line == node.children[1].loc.last_line)

  context.track! self

  _, ident, = *node.children

  key = key_from_ident(ident)

  replace(
    node.loc.expression,
    "#{key}: #{key}"
  )

  node.updated(
    :pair,
    [
      s(:sym, key),
      ident
    ]
  )
end