Sha256: d34885f161ac811fc9bc3cfc536436c6cd33747b21e167fdbf635db5e7494577
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Versions: 6777
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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# This cop checks for method signatures that span multiple lines.
#
# @example
#
# # good
#
# def foo(bar, baz)
# end
#
# # bad
#
# def foo(bar,
# baz)
# end
#
class MultilineMethodSignature < Cop
MSG = 'Avoid multi-line method signatures.'.freeze
def on_def(node)
return unless node.arguments?
return if opening_line(node) == closing_line(node)
return if correction_exceeds_max_line_length?(node)
add_offense(node)
end
alias on_defs on_def
private
def opening_line(node)
node.first_line
end
def closing_line(node)
node.arguments.last_line
end
def correction_exceeds_max_line_length?(node)
indentation_width(node) + definition_width(node) > max_line_length
end
def indentation_width(node)
processed_source.line_indentation(node.loc.expression.line)
end
def definition_width(node)
node.source_range.begin.join(node.arguments.source_range.end).length
end
def max_line_length
config.for_cop('Metrics/LineLength')['Max'] || 80
end
end
end
end
end
Version data entries
6,777 entries across 6,771 versions & 24 rubygems