1 files changed, 29 insertions, 0 deletions
diff --git a/internal/ctxutil/sleep.go b/internal/ctxutil/sleep.go
new file mode 100644
index 0000000..6965e8d
--- /dev/null
+++ b/internal/ctxutil/sleep.go
@@ -0,0 +1,29 @@
+package ctxutil
+
+import (
+	"context"
+	"time"
+)
+
+// Sleep waits for the delay or exits early when the context is canceled.
+// It returns true when the full delay elapsed.
+func Sleep(ctx context.Context, delay time.Duration) bool {
+	if delay <= 0 {
+		select {
+		case <-ctx.Done():
+			return false
+		default:
+			return true
+		}
+	}
+
+	timer := time.NewTimer(delay)
+	defer timer.Stop()
+
+	select {
+	case <-ctx.Done():
+		return false
+	case <-timer.C:
+		return true
+	}
+}