From ef522db659dc22931582c96c0d1060d220a4fdf5 Mon Sep 17 00:00:00 2001
From: Ricardo Signes <rjbs@semiotic.systems>
Date: Tue, 9 Jul 2024 13:19:59 -0400
Subject: [PATCH] Linear: do not try to highlight results with no highlights

---
 lib/Synergy/Reactor/Linear.pm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/Synergy/Reactor/Linear.pm b/lib/Synergy/Reactor/Linear.pm
index 9dd92353..badcba98 100644
--- a/lib/Synergy/Reactor/Linear.pm
+++ b/lib/Synergy/Reactor/Linear.pm
@@ -545,6 +545,11 @@ command search => {
         my %is_highlight = map {; $_ => 1 } @$highlights;
         my $pattern = join q{|}, map {; "\Q$_\E" } @$highlights;
         sub ($text) {
+          # If we have a 0-length pattern, we'd be splitting on //, which would
+          # split on every byte, and we'd have 69,105 rich text elements, and
+          # Slack will think this is too many. -- rjbs, 2024-07-09
+          return bk_richtext($text) unless length $pattern;
+
           map {; $is_highlight{$_} ? bk_bold($_) : bk_richtext($_) }
           split /($pattern)/, $text;
         }