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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks that exactly one space is used between a method name and the
# first argument for method calls without parentheses.
#
# Alternatively, extra spaces can be added to align the argument with
# something on a preceding or following line, if the AllowForAlignment
# config parameter is true.
#
# @example
# @bad
# something x
# something y, z
#
class SpaceBeforeFirstArg < Cop
include PrecedingFollowingAlignment
MSG = 'Put one space between the method name and ' \
'the first argument.'.freeze
def on_send(node)
return unless regular_method_call_with_params?(node)
return unless expect_params_after_method_name?(node)
_receiver, _method_name, *args = *node
arg1 = args.first.source_range
arg1_with_space = range_with_surrounding_space(arg1, :left)
space = range_between(arg1_with_space.begin_pos, arg1.begin_pos)
add_offense(space, space) if space.length > 1
end
def autocorrect(range)
->(corrector) { corrector.replace(range, ' ') }
end
private
def regular_method_call_with_params?(node)
_receiver, method_name, *args = *node
!(args.empty? || operator?(method_name) || node.asgn_method_call?)
end
def expect_params_after_method_name?(node)
return false if parentheses?(node)
_receiver, _method_name, *args = *node
arg1 = args.first.source_range
arg1.line == node.loc.line &&
!(allow_for_alignment? && aligned_with_something?(arg1))
end
end
end
end
end
Version data entries
13 entries across 13 versions & 2 rubygems