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@kirs
Last active June 10, 2022 11:16
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# Cleans up branches like:
# if Shopify.rails_next?
# # Rails 5 login
# else
# # Rails 4 login
# end
module RuboCop
module Cop
module ShopifyRails
class RailsNextUnless < Cop
MSG = 'Rails_next'.freeze
def on_if(node)
loc = node.loc
ifst = node.child_nodes[0]
if loc.respond_to?(:keyword) && loc.keyword.is?('unless'.freeze) && ifst.method_name == :rails_next? && ifst.receiver.source == "Shopify"
add_offense(node, :expression)
end
end
private
def autocorrect(node)
->(corrector) {
found_indent = node.source_range.source_line =~ /^( +)/
if found_indent
whitespaces = $1.size
# the range has to include indentation
r = node.source_range
line_range = r.class.new(r.source_buffer, r.begin_pos - whitespaces, r.end_pos + 1)
corrector.remove(line_range)
else
corrector.remove(node.source_range)
end
}
end
end
class RailsNextIfElse < Cop
MSG = 'Rails_next'.freeze
def on_if(node)
ifst = node.child_nodes[0]
if ifst.method_name == :rails_next? && ifst.receiver.source == "Shopify"
add_offense(node, :expression)
end
end
private
def autocorrect(node)
if_content = node.child_nodes[1]
->(corrector) {
new_source = String.new
if_content.source.each_line do |line|
if line =~ /^( +)/
line = line[2..-1]
end
new_source << line
end
corrector.insert_before(node.source_range, new_source)
corrector.remove(node.source_range)
}
end
end
end
end
end
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