init()

in Sources/ArgumentParser/Usage/HelpGenerator.swift [92:123]

• 26 lines of code
• 6 McCabe index (conditional complexity)

  init(commandStack: [ParsableCommand.Type]) {
    guard let currentCommand = commandStack.last else {
      fatalError()
    }
    
    let currentArgSet = ArgumentSet(currentCommand)
    self.commandStack = commandStack

    // Build the tool name and subcommand name from the command configuration
    var toolName = commandStack.map { $0._commandName }.joined(separator: " ")
    if let superName = commandStack.first!.configuration._superCommandName {
      toolName = "\(superName) \(toolName)"
    }

    var usage = UsageGenerator(toolName: toolName, definition: [currentArgSet]).synopsis
    if !currentCommand.configuration.subcommands.isEmpty {
      if usage.last != " " { usage += " " }
      usage += "<subcommand>"
    }
    
    self.abstract = currentCommand.configuration.abstract
    if !currentCommand.configuration.discussion.isEmpty {
      if !self.abstract.isEmpty {
        self.abstract += "\n"
      }
      self.abstract += "\n\(currentCommand.configuration.discussion)"
    }
    
    self.usage = usage
    self.sections = HelpGenerator.generateSections(commandStack: commandStack)
    self.discussionSections = []
  }