PromptUI
A library for building interactive prompts.
See examples/main.go.
package main
import (
"fmt"
"os"
"strings"
"unicode"
bb "github.com/karantin2020/promptui"
)
func main() {
p := bb.Prompt{
BasicPrompt: bb.BasicPrompt{
Label: "test masked",
Validate: func(s string) error {
if s == "err" {
return bb.NewValidationError("input must not be equal to 'err'")
}
if s == "" {
return bb.NewValidationError("input must not be empty string")
}
return nil
},
Default: "hi there",
},
Mask: '*',
// IsVimMode: false,
}
checkError(p.Run())
checkError(bb.Ask("easy prompt", "Yepp"))
checkError(bb.AskMasked("easy masked prompt", "Yepp"))
c := bb.ConfirmPrompt{
BasicPrompt: bb.BasicPrompt{
Label: "test confirm",
Default: "y",
},
ConfirmOpt: "?",
}
checkError(c.Run())
checkError(bb.Confirm("easy confirm", "Y", false))
ml := bb.MultilinePrompt{
BasicPrompt: bb.BasicPrompt{
Label: "test multiline",
Default: "Request",
Formatter: func(s string) string {
var upl = func(sl string) string {
rs := []rune(sl)
if len(rs) > 0 {
rs[0] = unicode.ToUpper(rs[0])
}
return string(rs)
}
out := []string{}
ins := strings.Split(s, "\n")
for i := range ins {
out = append(out, upl(ins[i]))
}
return strings.Join(out, "\n")
},
Validate: func(s string) error {
if s == "Err" {
return bb.NewValidationError("input must not be equal to 'err'")
}
if s == "" {
return bb.NewValidationError("input must not be empty string")
}
return nil
},
},
}
checkError(ml.Run())
checkError(bb.MultiLine("easy multi", "Ready to go"))
s := bb.Select{
Label: "test select",
Items: []string{"one", "two", "three", "1one", "1two", "1three", "2one", "2two", "2three"},
Default: 3,
}
_, res, err := s.Run()
checkError(res, err)
checkError(bb.PromptAfterSelect("prompt after select", []string{"feat", "fix", "doc", "other"}))
}