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Contents
# frozen_string_literal: true
module RuboCop
module Cop
# Autocorrection logic for the closing brace of a literal either
# on the same line as the last contained elements, or a new line.
class MultilineLiteralBraceCorrector
include MultilineLiteralBraceLayout
include RangeHelp
def initialize(node, processed_source)
@node = node
@processed_source = processed_source
end
def call(corrector)
if closing_brace_on_same_line?(node)
correct_same_line_brace(corrector)
else
# When a comment immediately before the closing brace gets in the
# way of an easy correction, the offense is reported but not auto-
# corrected. The user must handle the delicate decision of where to
# put the comment.
return if new_line_needed_before_closing_brace?(node)
correct_next_line_brace(corrector)
end
end
private
attr_reader :node, :processed_source
def correct_same_line_brace(corrector)
corrector.insert_before(node.loc.end, "\n".freeze)
end
def correct_next_line_brace(corrector)
corrector.remove(
range_with_surrounding_space(range: node.loc.end, side: :left)
)
corrector.insert_after(
last_element_range_with_trailing_comma(node),
node.loc.end.source
)
end
def last_element_range_with_trailing_comma(node)
trailing_comma_range = last_element_trailing_comma_range(node)
if trailing_comma_range
children(node).last.source_range.join(trailing_comma_range)
else
children(node).last.source_range
end
end
def last_element_trailing_comma_range(node)
range = range_with_surrounding_space(
range: children(node).last.source_range,
side: :right
).end.resize(1)
range.source == ',' ? range : nil
end
end
end
end
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