node build fixed

seanime-2.9.10/internal/util/limiter/limiter.go

@@ -0,0 +1,53 @@
+package limiter
+
+import (
+	"sync"
+	"time"
+)
+
+// https://stackoverflow.com/a/72452542
+
+func NewAnilistLimiter() *Limiter {
+	//return NewLimiter(15*time.Second, 18)
+	return NewLimiter(6*time.Second, 8)
+}
+
+//----------------------------------------------------------------------------------------------------------------------
+
+type Limiter struct {
+	tick    time.Duration
+	count   uint
+	entries []time.Time
+	index   uint
+	mu      sync.Mutex
+}
+
+func NewLimiter(tick time.Duration, count uint) *Limiter {
+	l := Limiter{
+		tick:  tick,
+		count: count,
+		index: 0,
+	}
+	l.entries = make([]time.Time, count)
+	before := time.Now().Add(-2 * tick)
+	for i := range l.entries {
+		l.entries[i] = before
+	}
+	return &l
+}
+
+func (l *Limiter) Wait() {
+	l.mu.Lock()
+	defer l.mu.Unlock()
+	last := &l.entries[l.index]
+	next := last.Add(l.tick)
+	now := time.Now()
+	if now.Before(next) {
+		time.Sleep(next.Sub(now))
+	}
+	*last = time.Now()
+	l.index = l.index + 1
+	if l.index == l.count {
+		l.index = 0
+	}
+}