From dd1a58f5037bce952b4be84eda94c369f58d01a9 Mon Sep 17 00:00:00 2001
From: Caleb Foust <cfoust@sqweebloid.com>
Date: Tue, 31 Oct 2023 11:33:47 -0400
Subject: [PATCH] fix: don't crash on missing data

---
 pkg/mux/screen/replay/time.go | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/pkg/mux/screen/replay/time.go b/pkg/mux/screen/replay/time.go
index 6a976930..8b5fc371 100644
--- a/pkg/mux/screen/replay/time.go
+++ b/pkg/mux/screen/replay/time.go
@@ -45,12 +45,14 @@ func (r *Replay) setIndex(index, indexByte int, updateTime bool) {
 				toByte = geom.Clamp(toByte, 0, len(data)-1)
 			}
 
-			if fromIndex == toIndex {
-				data = data[fromByte+1 : toByte+1]
-			} else if fromIndex == i {
-				data = data[fromByte+1:]
-			} else if toIndex == i {
-				data = data[:toByte+1]
+			if len(data) > 0 {
+				if fromIndex == toIndex {
+					data = data[fromByte+1 : toByte+1]
+				} else if fromIndex == i {
+					data = data[fromByte+1:]
+				} else if toIndex == i {
+					data = data[:toByte+1]
+				}
 			}
 
 			r.terminal.Write(data)