Sha256: 2187d5525fcca53a3dab429a9b2627cbd74052d68fce0e2183b72fb65e31a2f6
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Size: 764 Bytes
Versions: 6
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Stored size: 764 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]
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
6 entries across 6 versions & 1 rubygems