Sha256: de1ab0ca623c7db0c4b2a1f138cd26ba475ee2ba06bbb52e2f680799cb3b6f18
Contents?: true
Size: 839 Bytes
Versions: 10
Compression:
Stored size: 839 Bytes
Contents
# encoding: utf-8
module Rubocop
module Cop
class WhenThen < Cop
ERROR_MESSAGE = 'Never use "when x;". Use "when x then" instead.'
def inspect(file, source, tokens, sexp)
each(:when, sexp) do |s|
# The grammar is:
# when <value> <divider> <body>
# where divider is either semicolon, then, or line break.
last_pos_in_value = all_positions(s[1])[-1]
next unless last_pos_in_value # Give up if no positions found.
start_index = tokens.index { |t| t.pos == last_pos_in_value }
tokens[start_index..-1].each do |t|
break if ['then', "\n"].include?(t.text)
if t.type == :on_semicolon
add_offence(:convention, t.pos.lineno, ERROR_MESSAGE)
end
end
end
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems