class RubyLsp::Requests::CodeActions

specific diagnostic.
request informs the editor of RuboCop quick fixes that can be applied. These are accessible by hovering over a
The [code actions](microsoft.github.io/language-server-protocol/specification#textDocument_codeAction)

def attribute_actions

: -> Array[Interface::CodeAction] 
def attribute_actions
  return [] unless @document.is_a?(RubyDocument)
  node = if @range.dig(:start) != @range.dig(:end)
    @document.locate_first_within_range(
      @range,
      node_types: INSTANCE_VARIABLE_NODES,
    )
  end
  if node.nil?
    node_context = @document.locate_node(
      @range[:start],
      node_types: CodeActions::INSTANCE_VARIABLE_NODES,
    )
    return [] unless INSTANCE_VARIABLE_NODES.include?(node_context.node.class)
  end
  [
    Interface::CodeAction.new(
      title: CREATE_ATTRIBUTE_READER,
      kind: Constant::CodeActionKind::EMPTY,
      data: { range: @range, uri: @uri.to_s },
    ),
    Interface::CodeAction.new(
      title: CREATE_ATTRIBUTE_WRITER,
      kind: Constant::CodeActionKind::EMPTY,
      data: { range: @range, uri: @uri.to_s },
    ),
    Interface::CodeAction.new(
      title: CREATE_ATTRIBUTE_ACCESSOR,
      kind: Constant::CodeActionKind::EMPTY,
      data: { range: @range, uri: @uri.to_s },
    ),
  ]
end

def initialize(document, range, context)

: ((RubyDocument | ERBDocument) document, Hash[Symbol, untyped] range, Hash[Symbol, untyped] context) -> void 
def initialize(document, range, context)
  super()
  @document = document
  @uri = document.uri #: URI::Generic
  @range = range
  @context = context
end

def perform

: -> (Array[Interface::CodeAction] & Object)?
@override 
def perform
  diagnostics = @context[:diagnostics]
  code_actions = diagnostics.flat_map do |diagnostic|
    diagnostic.dig(:data, :code_actions) || []
  end
  # Only add refactor actions if there's a non empty selection in the editor
  unless @range.dig(:start) == @range.dig(:end)
    code_actions << Interface::CodeAction.new(
      title: EXTRACT_TO_VARIABLE_TITLE,
      kind: Constant::CodeActionKind::REFACTOR_EXTRACT,
      data: { range: @range, uri: @uri.to_s },
    )
    code_actions << Interface::CodeAction.new(
      title: EXTRACT_TO_METHOD_TITLE,
      kind: Constant::CodeActionKind::REFACTOR_EXTRACT,
      data: { range: @range, uri: @uri.to_s },
    )
    code_actions << Interface::CodeAction.new(
      title: TOGGLE_BLOCK_STYLE_TITLE,
      kind: Constant::CodeActionKind::REFACTOR_REWRITE,
      data: { range: @range, uri: @uri.to_s },
    )
  end
  code_actions.concat(attribute_actions)
  code_actions
end

def provider

: -> Interface::CodeActionRegistrationOptions 
def provider
  Interface::CodeActionRegistrationOptions.new(
    document_selector: nil,
    resolve_provider: true,
  )
end