func deleteConfigsNamed()

in src/Tulsi/TulsiProjectDocument.swift [342:378]
34 lines of code
8 McCabe index (conditional complexity)

  func deleteConfigsNamed(_ configNamesToRemove: [String]) {
    let fileManager = FileManager.default

    var nameToDoc = [String: TulsiGeneratorConfigDocument]()
    for doc in childConfigDocuments.allObjects as! [TulsiGeneratorConfigDocument] {
      guard let name = doc.configName else { continue }
      nameToDoc[name] = doc
    }
    var configNames = Set<String>(generatorConfigNames)

    for name in configNamesToRemove {
      configNames.remove(name)
      if let doc = nameToDoc[name] {
        childConfigDocuments.remove(doc)
        doc.close()
      }
      if let url = urlForConfigNamed(name, sanitized: false) {
        let errorInfo: String?
        do {
          try fileManager.removeItem(at: url)
          errorInfo = nil
        } catch let e as NSError {
          errorInfo = "Unexpected exception \(e.localizedDescription)"
        } catch {
          errorInfo = "Unexpected exception"
        }
        if let errorInfo = errorInfo {
          let fmt = NSLocalizedString("Error_ConfigDeleteFailed",
                                      comment: "Error when a TulsiGeneratorConfig named %1$@ could not be deleted.")
          LogMessage.postError(String(format: fmt, name), details: errorInfo)
          LogMessage.displayPendingErrors()
        }
      }
    }

    generatorConfigNames = configNames.sorted()
  }