diff options
Diffstat (limited to 'rubocop/cop/line_break_after_guard_clauses.rb')
| -rw-r--r-- | rubocop/cop/line_break_after_guard_clauses.rb | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/rubocop/cop/line_break_after_guard_clauses.rb b/rubocop/cop/line_break_after_guard_clauses.rb deleted file mode 100644 index 67477f064ab..00000000000 --- a/rubocop/cop/line_break_after_guard_clauses.rb +++ /dev/null @@ -1,100 +0,0 @@ -# frozen_string_literal: true - -module RuboCop - module Cop - # Ensures a line break after guard clauses. - # - # @example - # # bad - # return unless condition - # do_stuff - # - # # good - # return unless condition - # - # do_stuff - # - # # bad - # raise if condition - # do_stuff - # - # # good - # raise if condition - # - # do_stuff - # - # Multiple guard clauses are allowed without - # line break. - # - # # good - # return unless condition_a - # return unless condition_b - # - # do_stuff - # - # Guard clauses in case statement are allowed without - # line break. - # - # # good - # case model - # when condition_a - # return true unless condition_b - # when - # ... - # end - # - # Guard clauses before end are allowed without - # line break. - # - # # good - # if condition_a - # do_something - # else - # do_something_else - # return unless condition - # end - # - # do_something_more - class LineBreakAfterGuardClauses < RuboCop::Cop::Cop - MSG = 'Add a line break after guard clauses' - - def_node_matcher :guard_clause_node?, <<-PATTERN - [{(send nil? {:raise :fail :throw} ...) return break next} single_line?] - PATTERN - - def on_if(node) - return unless node.single_line? - return unless guard_clause?(node) - return if next_line(node).blank? || clause_last_line?(next_line(node)) || guard_clause?(next_sibling(node)) - - add_offense(node, :expression, MSG) - end - - def autocorrect(node) - lambda do |corrector| - corrector.insert_after(node.loc.expression, "\n") - end - end - - private - - def guard_clause?(node) - return false unless node.if_type? - - guard_clause_node?(node.if_branch) - end - - def next_sibling(node) - node.parent.children[node.sibling_index + 1] - end - - def next_line(node) - processed_source[node.loc.line] - end - - def clause_last_line?(line) - line =~ /^\s*(?:end|elsif|else|when|rescue|ensure)/ - end - end - end -end |