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RuboCop | Style/DotPosition

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RuboCop | Style/DotPosition

概要

RuboCopの「Style/DotPosition」警告について。

複数行でメソッドを記述した場合に、ドットをどの行に記述するかをチェックする。
デフォルトはメソッド名と同じ行。

設定値一覧

設定対象 設定値 内容 デフォルト
EnforcedStyle leading メソッド名と同じ行にドットを記述する
EnforcedStyle trailing メソッド名の前の行にドットを記述する --

DotPosition

各設定値(leading, trailing)での検証結果をまとめます。

検証プログラム

preferred_methods.rb

p 'hIgE'
  .upcase

p 'hIgE'.
  downcase

実行結果 デフォルト の場合

.rubocop.yml

※明示的に設定しているが、デフォルト値なので何も設定しなくてもよい

DotPosition:
  EnforcedStyle: leading
$ rubocop dot_position.rb
Inspecting 1 file
C

Offenses:

dot_position.rb:4:9: C: Place the . on the next line, together with the method name.
p 'hIgE'.
        ^

1 file inspected, 1 offense detected

実行結果 DotPosition を trailing に変更した場合

.rubocop.yml

DotPosition:
  EnforcedStyle: trailing
$ rubocop dot_position.rb
Inspecting 1 file
C

Offenses:

dot_position.rb:2:3: C: Place the . on the previous line, together with the method call receiver.
  .upcase
  ^

1 file inspected, 1 offense detected
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