module Rubocop::Cop::Style::FavorModifier
Common functionality for modifier cops.
Public Instance Methods
body_has_comment?(body, comments)
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# File lib/rubocop/cop/style/favor_modifier.rb, line 47 def body_has_comment?(body, comments) comment_lines = comments.map(&:location).map(&:line) body_line = body.loc.expression.line comment_lines.include?(body_line) end
body_length(body)
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# File lib/rubocop/cop/style/favor_modifier.rb, line 39 def body_length(body) if body && body.loc.expression body.loc.expression.size else 0 end end
check(sexp, comments)
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TODO extremely ugly solution that needs lots of polish
# File lib/rubocop/cop/style/favor_modifier.rb, line 9 def check(sexp, comments) case sexp.loc.keyword.source when 'if' then cond, body, _else = *sexp when 'unless' then cond, _else, body = *sexp else cond, body = *sexp end if length(sexp) > 3 false else body_length = body_length(body) if body_length == 0 false else indentation = sexp.loc.keyword.column kw_length = sexp.loc.keyword.size cond_length = cond.loc.expression.size space = 1 total = indentation + body_length + space + kw_length + space + cond_length total <= LineLength.max && !body_has_comment?(body, comments) end end end
length(sexp)
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# File lib/rubocop/cop/style/favor_modifier.rb, line 35 def length(sexp) sexp.loc.expression.source.lines.to_a.size end