Class: LanguageServer::Linter::Rubocop

Inherits:
Object
  • Object
show all
Defined in:
lib/language_server/linter/rubocop.rb

Instance Method Summary collapse

Constructor Details

#initialize(source, config_path = "") ⇒ Rubocop

Returns a new instance of Rubocop.



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# File 'lib/language_server/linter/rubocop.rb', line 9

def initialize(source, config_path = "")
  @source = source
  @config_path = config_path
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/language_server/linter/rubocop.rb', line 14

def call
  return [] unless defined? ::RuboCop
  args = []
  args += ["--config", @config_path] if @config_path != ""
  args += ["--format", "json", "--stdin", "lsp_buffer.rb"]
  o = nil
  begin
    $stdin = StringIO.new(@source)
    $stdout = StringIO.new
    config_store = ::RuboCop::ConfigStore.new
    options, paths = ::RuboCop::Options.new.parse(args)
    config_store.options_config = options[:config] if options[:config]
    runner = ::RuboCop::Runner.new(options, config_store)
    runner.run(paths)
    o = $stdout.string
  ensure
    $stdin = STDIN
    $stdout = STDOUT
  end
  return [] unless o
  JSON.
    parse(o)["files"].map { |v| v["offenses"] }.
    flatten.
    map { |v| Error.new(line_num: v["location"]["line"].to_i - 1, message: v["message"], type: convert_type(v["severity"])) }
end