func()

in pkg/surveyext/surveyext.go [83:162]

• 69 lines of code
• 18 McCabe index (conditional complexity)

func (e *GLabEditor) prompt(initialValue string, config *survey.PromptConfig) (any, error) {
	err := e.Render(
		EditorQuestionTemplate,
		// EXTENDED to support printing editor in prompt and BlankAllowed
		EditorTemplateData{
			Editor:        *e.Editor,
			BlankAllowed:  e.BlankAllowed,
			EditorCommand: filepath.Base(e.editorCommand()),
			Config:        config,
		},
	)
	if err != nil {
		return "", err
	}

	// start reading runes from the standard in
	rr := e.NewRuneReader()
	_ = rr.SetTermMode()
	defer func() { _ = rr.RestoreTermMode() }()

	cursor := e.NewCursor()
	_ = cursor.Hide()
	defer func() {
		_ = cursor.Show()
	}()

	for {
		// EXTENDED to handle the Enter or e to edit / s or Esc to skip behavior + BlankAllowed
		r, _, err := rr.ReadRune()
		if err != nil {
			return "", err
		}
		if r == editorOpenKey || r == '\r' || r == '\n' {
			break
		}
		if r == editorSkipKey || r == terminal.KeyEscape {
			if e.BlankAllowed {
				return "", nil
			} else {
				continue
			}
		}
		if r == terminal.KeyInterrupt {
			return "", terminal.InterruptErr
		}
		if r == terminal.KeyEndTransmission {
			break
		}
		if string(r) == config.HelpInput && e.Help != "" {
			err = e.Render(
				EditorQuestionTemplate,
				EditorTemplateData{
					// EXTENDED to support printing editor in prompt, BlankAllowed
					Editor:        *e.Editor,
					BlankAllowed:  e.BlankAllowed,
					EditorCommand: filepath.Base(e.editorCommand()),
					ShowHelp:      true,
					Config:        config,
				},
			)
			if err != nil {
				return "", err
			}
		}
		continue
	}

	stdio := e.Stdio()
	text, err := Edit(e.editorCommand(), e.FileName, initialValue, stdio.In, stdio.Out, stdio.Err, cursor)
	if err != nil {
		return "", err
	}

	// check length, return default value on empty
	if text == "" && !e.AppendDefault {
		return e.Default, nil
	}

	return text, nil
}