58 lines
820 B
Go
58 lines
820 B
Go
/*
|
|
©AngelaMos | 2026
|
|
spinner.go
|
|
|
|
Terminal spinner for long-running operations
|
|
*/
|
|
|
|
package ui
|
|
|
|
import (
|
|
"fmt"
|
|
"sync"
|
|
"time"
|
|
)
|
|
|
|
var frames = [...]string{"⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"}
|
|
|
|
type Spinner struct {
|
|
message string
|
|
stop chan struct{}
|
|
done sync.WaitGroup
|
|
}
|
|
|
|
func NewSpinner(message string) *Spinner {
|
|
return &Spinner{
|
|
message: message,
|
|
stop: make(chan struct{}),
|
|
}
|
|
}
|
|
|
|
func (s *Spinner) Start() {
|
|
s.done.Add(1)
|
|
go func() {
|
|
defer s.done.Done()
|
|
i := 0
|
|
for {
|
|
select {
|
|
case <-s.stop:
|
|
fmt.Printf("\r\033[K")
|
|
return
|
|
default:
|
|
fmt.Printf(
|
|
"\r %s %s",
|
|
Cyan(frames[i%len(frames)]),
|
|
s.message,
|
|
)
|
|
i++
|
|
time.Sleep(80 * time.Millisecond)
|
|
}
|
|
}
|
|
}()
|
|
}
|
|
|
|
func (s *Spinner) Stop() {
|
|
close(s.stop)
|
|
s.done.Wait()
|
|
}
|