func zshActionString()

in Sources/ArgumentParser/Completions/ZshCompletionsGenerator.swift [166:191]

• 20 lines of code
• 8 McCabe index (conditional complexity)

  func zshActionString(_ commands: [ParsableCommand.Type]) -> String {
    switch completion.kind {
    case .default:
      return ""
      
    case .file(let extensions):
      let pattern = extensions.isEmpty
        ? ""
        : " -g '\(extensions.map { "*." + $0 }.joined(separator: " "))'"
      return "_files\(pattern.zshEscaped())"
      
    case .directory:
      return "_files -/"
      
    case .list(let list):
      return "(" + list.joined(separator: " ") + ")"
      
    case .shellCommand(let command):
      return "{local -a list; list=(${(f)\"$(\(command))\"}); _describe '''' list}"

    case .custom:
      // Generate a call back into the command to retrieve a completions list
      let commandName = commands.first!._commandName.zshEscapingCommandName()
      return "{_custom_completion $_\(commandName)_commandname \(customCompletionCall(commands)) $words}"
    }
  }