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Prompt

Another GoLang prompt library with a couple of uncommon features:

  • Supports more advanced text editing by using my Go Text Editor library
    • Multiline text editing
    • Better cursor movement (up, down, home, and end all work)
  • Doesn't clear out and of your screen

Supported Prompts

  • Yes/No questions with Boolean{<options>}
  • Select from list with Select{<options>}
  • Text (multiline and single line) with Text{<options>}

Usage

All prompts are created by initializing their respective struct.

input := prompt.Text{}

The zero value of the prompt is ready to use, but you will probably want to explore the available public members to customize the prompt.

input := prompt.Text{
    Question: "What is your name?",
    IsSingleLine: true,
    ValidatorFunc: func(input []string) string {
        if input[0] == "" {
            return "name is required"
        }   

        return ""
    },
}

When the prompt is ready, call Show to display the prompt and block the active Go-Routine until a response is submitted. Then call Response to get the output of the prompt.

err := input.Show()
if err != nil {
    // Handle error
}

name := input.Response()
fmt.Printf("Hello %s!", name)