func serverCapabilities()

in Sources/SourceKitLSP/SourceKitServer.swift [515:560]
45 lines of code
4 McCabe index (conditional complexity)

  func serverCapabilities(
    for client: ClientCapabilities,
    registry: CapabilityRegistry
  ) -> ServerCapabilities {
    let completionOptions: CompletionOptions?
    if registry.clientHasDynamicCompletionRegistration {
      // We'll initialize this dynamically instead of statically.
      completionOptions = nil
    } else {
      completionOptions = LanguageServerProtocol.CompletionOptions(
        resolveProvider: false,
        triggerCharacters: ["."]
      )
    }
    let executeCommandOptions: ExecuteCommandOptions?
    if registry.clientHasDynamicExecuteCommandRegistration {
      executeCommandOptions = nil
    } else {
      executeCommandOptions = ExecuteCommandOptions(commands: builtinSwiftCommands)
    }
    return ServerCapabilities(
      textDocumentSync: TextDocumentSyncOptions(
        openClose: true,
        change: .incremental,
        willSave: true,
        willSaveWaitUntil: false,
        save: .value(TextDocumentSyncOptions.SaveOptions(includeText: false))
      ),
      hoverProvider: true,
      completionProvider: completionOptions,
      definitionProvider: true,
      implementationProvider: .bool(true),
      referencesProvider: true,
      documentHighlightProvider: true,
      documentSymbolProvider: true,
      workspaceSymbolProvider: true,
      codeActionProvider: .value(CodeActionServerCapabilities(
        clientCapabilities: client.textDocument?.codeAction,
        codeActionOptions: CodeActionOptions(codeActionKinds: nil),
        supportsCodeActions: true
      )),
      colorProvider: .bool(true),
      foldingRangeProvider: .bool(!registry.clientHasDynamicFoldingRangeRegistration),
      executeCommandProvider: executeCommandOptions
    )
  }