func RunDefaultableStringPrompt()

in pkg/prompts/prompts.go [153:191]

34 lines of code
9 McCabe index (conditional complexity)


func RunDefaultableStringPrompt(defaultValue string, customPrompt *config.BuilderVar, validate func(string) error, Stdin io.ReadCloser, Stdout io.WriteCloser) (string, error) {
	if validate == nil {
		validate = NoBlankStringValidator
	}

	validatorFunc := func(input string) error {
		// Allow blank inputs because defaults are set later
		if input == "" {
			return nil
		}
		if customPrompt.Name == "APPNAME" {
			if err := appNameValidator(input); err != nil {
				return err
			}
		} else {
			if err := validate(input); err != nil {
				return err
			}
		}
		return nil
	}

	prompt := &promptui.Prompt{
		Label:    "Please enter " + customPrompt.Description + " (default: " + defaultValue + ")",
		Validate: validatorFunc,
		Stdin:    Stdin,
		Stdout:   Stdout,
	}

	input, err := prompt.Run()
	if err != nil {
		return "", err
	}

	if input == "" && defaultValue != "" {
		input = defaultValue
	}
	return input, nil
}