init()

in Sources/ArgumentParser/Usage/DumpHelpGenerator.swift [88:120]

• 30 lines of code
• 2 McCabe index (conditional complexity)

  init(commandStack: [ParsableCommand.Type]) {
    guard let command = commandStack.last else {
      preconditionFailure("commandStack must not be empty")
    }

    let parents = commandStack.dropLast()
    var superCommands = parents.map { $0._commandName }
    if let superName = parents.first?.configuration._superCommandName {
      superCommands.insert(superName, at: 0)
    }

    let defaultSubcommand = command.configuration.defaultSubcommand?
      .configuration.commandName
    let subcommands = command.configuration.subcommands
      .map { subcommand -> CommandInfoV0 in
        var commandStack = commandStack
        commandStack.append(subcommand)
        return CommandInfoV0(commandStack: commandStack)
      }
    let arguments = commandStack
      .allArguments()
      .mergingCompositeArguments()
      .compactMap(ArgumentInfoV0.init)

    self = CommandInfoV0(
      superCommands: superCommands,
      commandName: command._commandName,
      abstract: command.configuration.abstract,
      discussion: command.configuration.discussion,
      defaultSubcommand: defaultSubcommand,
      subcommands: subcommands,
      arguments: arguments)
  }