Sha256: b03cbba44f9cec537bff2e24721b61cb32df8a586829fde1c534cd9d86c09208
Contents?: true
Size: 1.72 KB
Versions: 146
Compression:
Stored size: 1.72 KB
Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Lint
# Checks for colons and commas in %i, e.g. `%i(:foo, :bar)`
#
# It is more likely that the additional characters are unintended (for
# example, mistranslating an array of literals to percent string notation)
# rather than meant to be part of the resulting symbols.
#
# @example
#
# # bad
#
# %i(:foo, :bar)
#
# @example
#
# # good
#
# %i(foo bar)
class PercentSymbolArray < Base
include PercentLiteral
extend AutoCorrector
MSG = "Within `%i`/`%I`, ':' and ',' are unnecessary and may be " \
'unwanted in the resulting symbols.'
def on_array(node)
process(node, '%i', '%I')
end
def on_percent_literal(node)
return unless contains_colons_or_commas?(node)
add_offense(node) { |corrector| autocorrect(corrector, node) }
end
private
def autocorrect(corrector, node)
node.children.each do |child|
range = child.source_range
corrector.remove_trailing(range, 1) if range.source.end_with?(',')
corrector.remove_leading(range, 1) if
range.source.start_with?(':')
end
end
def contains_colons_or_commas?(node)
node.children.any? do |child|
literal = child.children.first.to_s
next if non_alphanumeric_literal?(literal)
literal.start_with?(':') || literal.end_with?(',')
end
end
def non_alphanumeric_literal?(literal)
!/[[:alnum:]]/.match?(literal)
end
end
end
end
end
Version data entries
146 entries across 145 versions & 16 rubygems