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|
package main
import (
"log"
"github.com/charmbracelet/huh"
)
// TODO: ensure input is not plagiarized.
func checkForPlagiarism(s string) error { return nil }
// TODO: ensure input is food.
func isFood(s string) error { return nil }
// TODO: ensure input is a valid name.
func validateName(s string) error { return nil }
func main() {
var (
lunch string
story string
country string
toppings []string
discount bool
)
// `Input`s are single line text fields.
huh.NewInput().
Title("What's for lunch?").
Prompt("?").
Validate(isFood).
Value(&lunch)
// `Text`s are multi-line text fields.
huh.NewText().
Title("Tell me a story.").
Validate(checkForPlagiarism).
Value(&story)
// `Select`s are multiple choice questions.
huh.NewSelect[string]().
Title("Pick a country.").
Options(
huh.NewOption("United States", "US"),
huh.NewOption("Germany", "DE"),
huh.NewOption("Brazil", "BR"),
huh.NewOption("Canada", "CA"),
).
Value(&country)
// `MultiSelect`s allow multiple selections from a list of options.
huh.NewMultiSelect[string]().
Options(
huh.NewOption("Cheese", "cheese").Selected(true),
huh.NewOption("Lettuce", "lettuce").Selected(true),
huh.NewOption("Corn", "corn"),
huh.NewOption("Salsa", "salsa"),
huh.NewOption("Sour Cream", "sour cream"),
huh.NewOption("Tomatoes", "tomatoes"),
).
Title("Toppings").
Limit(4).
Value(&toppings)
// `Confirm`s are a confirmation prompt.
huh.NewConfirm().
Title("Want a discount?").
Affirmative("Yes!").
Negative("No.").
Value(&discount)
// Form
var (
burger string
name string
instructions string
)
form := huh.NewForm(
// Prompt the user to choose a burger.
huh.NewGroup(
huh.NewSelect[string]().
Options(
huh.NewOption("Charmburger Classic", "classic"),
huh.NewOption("Chickwich", "chickwich"),
huh.NewOption("Fishburger", "Fishburger"),
huh.NewOption("Charmpossible™ Burger", "charmpossible"),
).
Title("Choose your burger").
Value(&burger),
),
// Prompt for toppings and special instructions.
// The customer can ask for up to 4 toppings.
huh.NewGroup(
huh.NewMultiSelect[string]().
Options(
huh.NewOption("Lettuce", "Lettuce").Selected(true),
huh.NewOption("Tomatoes", "Tomatoes").Selected(true),
huh.NewOption("Charm Sauce", "Charm Sauce"),
huh.NewOption("Jalapeños", "Jalapeños"),
huh.NewOption("Cheese", "Cheese"),
huh.NewOption("Vegan Cheese", "Vegan Cheese"),
huh.NewOption("Nutella", "Nutella"),
).
Title("Toppings").
Limit(4).
Value(&toppings),
),
// Gather final details for the order.
huh.NewGroup(
huh.NewInput().
Title("What's your name?").
Value(&name).
Validate(validateName),
huh.NewText().
Title("Special Instructions").
Value(&instructions).
CharLimit(400),
huh.NewConfirm().
Title("Would you like 15% off").
Value(&discount),
),
)
err := form.Run()
if err != nil {
log.Fatal(err)
}
}
|
