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Contents
# encoding: utf-8
module Rubocop
module Cop
module Style
# Checks for uses of the `then` keyword in multi-line if statements.
#
# @example This is considered bad practice:
#
# if cond then
# end
#
# @example If statements can contain `then` on the same line:
#
# if cond then a
# elsif cond then b
# end
class MultilineIfThen < Cop
include IfThenElse
def offending_line(node)
condition, body, else_clause = *node
next_thing = if body && body.loc.expression
body.loc.expression.begin
elsif else_clause && else_clause.loc.expression
else_clause.loc.expression.begin
else
node.loc.end # No body, use "end".
end
right_after_cond =
Parser::Source::Range.new(next_thing.source_buffer,
condition.loc.expression.end.end_pos,
next_thing.begin_pos)
if right_after_cond.source =~ /\A\s*then\s*(#.*)?\s*\n/
node.loc.expression.begin.line
end
end
def error_message
'Never use then for multi-line if/unless.'
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems