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Versions: 15
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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# Checks that block braces have or don't have a space before the opening
# brace depending on configuration.
class SpaceBeforeBlockBraces < Cop
include ConfigurableEnforcedStyle
def on_block(node)
return if node.loc.begin.is?('do') # No braces.
left_brace = node.loc.begin
space_plus_brace = range_with_surrounding_space(left_brace)
used_style =
space_plus_brace.source.start_with?('{') ? :no_space : :space
case used_style
when style then correct_style_detected
when :space then space_detected(left_brace, space_plus_brace)
else space_missing(left_brace)
end
end
private
def space_missing(left_brace)
add_offense(left_brace, left_brace,
'Space missing to the left of {.') do
opposite_style_detected
end
end
def space_detected(left_brace, space_plus_brace)
space = range_between(space_plus_brace.begin_pos,
left_brace.begin_pos)
add_offense(space, space, 'Space detected to the left of {.') do
opposite_style_detected
end
end
def autocorrect(range)
lambda do |corrector|
case range.source
when /\s/ then corrector.remove(range)
else corrector.insert_before(range, ' ')
end
end
end
end
end
end
end
Version data entries
15 entries across 15 versions & 2 rubygems