class RuboCop::Cop::Performance::DoubleStartEndWith

str.end_with?(var1, var2)
var2 = …
var1 = …
str.start_with?(“a”, “b”, “c”)
str.start_with?(“a”, Some::CONST)
@good
str.end_with?(var1) || str.end_with?(var2)
var2 = …
var1 = …
str.start_with?(“a”, “b”) || str.start_with?(“c”)
str.start_with?(“a”) || str.start_with?(Some::CONST)
@bad
@example
with an single ‘#start_with?`/`#end_with?` call.
separated by `||`. In some cases such calls can be replaced
This cop checks for double `#start_with?` or `#end_with?` calls

def combine_args(first_call_args, second_call_args) 

def combine_args(first_call_args, second_call_args)
  (first_call_args + second_call_args).map(&:source).join(', ')
end

def on_or(node) 

def on_or(node)
  receiver,
  method,
  first_call_args,
  second_call_args = two_start_end_with_calls(node)
  if receiver && second_call_args.all?(&:pure?)
    add_offense(
      node,
      :expression,
      format(
        MSG,
        receiver: receiver.source,
        method: method,
        combined_args: combine_args(first_call_args, second_call_args),
        original_code: node.source
      )
    )
  end
end