fixes waitTimeout, waitDelay not working with float

internal/pkg/timeout/timeout.go

@@ -0,0 +1,43 @@
+package timeout
+
+import (
+	"context"
+	"strings"
+	"time"
+
+	"github.com/thecodingmachine/gotenberg/internal/pkg/standarderror"
+)
+
+// Context creates a context with timeout for
+// given second.
+func Context(seconds float64) (context.Context, context.CancelFunc) {
+	return context.WithTimeout(context.Background(), Duration(seconds))
+}
+
+// Duration creates a duration from seconds.
+func Duration(seconds float64) time.Duration {
+	return time.Duration(1000*seconds) * time.Millisecond
+}
+
+// Err returns a standarderror.Error
+// if the context has an error.
+func Err(ctx context.Context) error {
+	const op = "timeout.Err"
+	err := ctx.Err()
+	if err == nil {
+		return nil
+	}
+	if strings.Contains(err.Error(), context.DeadlineExceeded.Error()) {
+		return &standarderror.Error{
+			Code:    standarderror.Timeout,
+			Message: "context has timed out",
+			Op:      op,
+			Err:     err,
+		}
+	}
+	return &standarderror.Error{
+		Message: "context finished with an error",
+		Op:      op,
+		Err:     err,
+	}
+}