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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Layout
# This cop checks for indentation of the first non-blank non-comment
# line in a file.
#
# @example
# # bad
# class A
# def foo; end
# end
#
# # good
# class A
# def foo; end
# end
#
class InitialIndentation < Cop
include RangeHelp
MSG = 'Indentation of first line in file detected.'.freeze
def investigate(_processed_source)
space_before(first_token) do |space|
add_offense(space, location: first_token.pos)
end
end
def autocorrect(range)
->(corrector) { corrector.remove(range) }
end
private
def first_token
processed_source.find_token { |t| !t.text.start_with?('#') }
end
def space_before(token)
return unless token
return if token.column.zero?
space_range =
range_with_surrounding_space(range: token.pos,
side: :left,
newlines: false)
# If the file starts with a byte order mark (BOM), the column can be
# non-zero, but then we find out here if there's no space to the left
# of the first token.
return if space_range == token.pos
yield range_between(space_range.begin_pos, token.begin_pos)
end
end
end
end
end
Version data entries
6,820 entries across 6,814 versions & 25 rubygems