class RuboCop::Cop::Lint::RedundantWithIndex
This cop checks for redundant `with_index`.
@example
# bad ary.each_with_index do |v| v end # good ary.each do |v| v end # bad ary.each.with_index do |v| v end # good ary.each do |v| v end
Constants
- MSG_EACH_WITH_INDEX
- MSG_WITH_INDEX
Public Instance Methods
autocorrect(node)
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# File lib/rubocop/cop/lint/redundant_with_index.rb, line 47 def autocorrect(node) lambda do |corrector| redundant_with_index?(node) do |send| if send.method_name == :each_with_index corrector.replace(send.loc.selector, 'each') else corrector.remove(send.loc.selector) corrector.remove(send.loc.dot) end end end end
on_block(node)
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# File lib/rubocop/cop/lint/redundant_with_index.rb, line 41 def on_block(node) redundant_with_index?(node) do |send| add_offense(node, location: with_index_range(send)) end end
Private Instance Methods
message(node)
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# File lib/rubocop/cop/lint/redundant_with_index.rb, line 62 def message(node) if node.method_name == :each_with_index MSG_EACH_WITH_INDEX else MSG_WITH_INDEX end end
with_index_range(send)
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# File lib/rubocop/cop/lint/redundant_with_index.rb, line 70 def with_index_range(send) range_between(send.loc.selector.begin_pos, send.loc.selector.end_pos) end