Class: RuboCop::Cop::Capybara::FindAllFirst

Inherits:
Base
  • Object
show all
Extended by:
AutoCorrector
Includes:
RangeHelp
Defined in:
lib/rubocop/cop/capybara/find_all_first.rb

Overview

Enforces use of ‘first` instead of `all` with `first` or `[0]`.

Examples:


# bad
all('a').first
all('a')[0]
find('a', match: :first)
all('a', match: :first)

# good
first('a')

Constant Summary collapse

MSG = 
'Use `first(%<selector>s)`.'
RESTRICT_ON_SEND = 
%i[all find].freeze

Instance Method Summary collapse

Instance Method Details

#find_all_first?(node) ⇒ Object

[View source]

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# File 'lib/rubocop/cop/capybara/find_all_first.rb', line 27

def_node_matcher :find_all_first?, <<~PATTERN
  {
    (send (send _ :all _ ...) :first)
    (send (send _ :all _ ...) :[] (int 0))
  }
PATTERN

#include_match_first?(node) ⇒ Object

[View source]

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# File 'lib/rubocop/cop/capybara/find_all_first.rb', line 35

def_node_matcher :include_match_first?, <<~PATTERN
  (send _ {:find :all} _ $(hash <(pair (sym :match) (sym :first)) ...>))
PATTERN

#on_send(node) ⇒ Object

[View source]

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# File 'lib/rubocop/cop/capybara/find_all_first.rb', line 39

def on_send(node)
  on_all_first(node)
  on_match_first(node)
end