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Contents
# encoding: utf-8
module RuboCop
module Cop
module Style
# This cop checks whether the end statement of a do end blocks
# is on its own line.
#
# @example
# # bad
# blah do |i|
# foo(i) end
#
# # good
# blah do |i|
# foo(i)
# end
#
# # bad
# blah { |i|
# foo(i) }
#
# # good
# blah { |i|
# foo(i)
# }
class BlockEndNewline < Cop
MSG = 'Expression at %d, %d should be on its own line.'
def on_block(node)
end_loc = node.loc.end
do_loc = node.loc.begin # Actually it's either do or {.
return if do_loc.line == end_loc.line # Ignore one-liners.
# If the end is on its own line, there is no offense
return if /^\s*#{end_loc.source}/.match(end_loc.source_line)
msg = format(MSG, end_loc.line, end_loc.column + 1)
add_offense(node, end_loc, msg)
end
def autocorrect(node)
@corrections << lambda do |corrector|
indentation = indentation_of_block_start_line(node)
corrector.insert_before(node.loc.end, "\n" + (' ' * indentation))
end
end
def indentation_of_block_start_line(node)
match = /\S.*/.match(node.loc.begin.source_line)
match.begin(0)
end
end
end
end
end
Version data entries
12 entries across 12 versions & 2 rubygems