databricks-cli/lib/ui/spinner.go

54 lines
1.1 KiB
Go

package ui
import (
"context"
"math/rand"
"time"
"github.com/briandowns/spinner"
"github.com/fatih/color"
)
// https://github.com/leaanthony/spinner alternative
func Spinner(label string, fn func(*spinner.Spinner) error, final string) error {
rand.Seed(time.Now().UnixMilli())
s := spinner.New(spinner.CharSets[rand.Intn(11)], 200*time.Millisecond)
_ = s.Color("green")
s.Start()
s.Prefix = " "
s.Suffix = " " + label
err := fn(s)
if err == nil {
s.FinalMSG = color.GreenString(" ✓ %s", final) // or ✓
} else {
s.FinalMSG = color.RedString(" ✗ %s", err) // or
}
s.Stop()
println("")
return err
}
type Stage struct {
InProgress string
Callback func(context.Context, func(string)) error
Complete string
}
func SpinStages(ctx context.Context, stages []Stage) error {
for _, v := range stages {
err := Spinner(v.InProgress, func(s *spinner.Spinner) error {
updateMsg := func(msg string) {
// TODO: print to stdout for non-tty
s.Suffix = " " + msg
}
return v.Callback(ctx, updateMsg)
}, v.Complete)
if err != nil {
return err
}
}
return nil
}