From 656963e01805efccc788e7e2d83a4bcfaa01ee7b Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Thu, 17 Aug 2017 19:11:56 +0900
Subject: [PATCH] Short-circuit ANSI processing if no ANSI codes are found

---
 src/ansi.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/ansi.go b/src/ansi.go
index 5856bd5..70ec560 100644
--- a/src/ansi.go
+++ b/src/ansi.go
@@ -74,8 +74,11 @@ func extractColor(str string, state *ansiState, proc func(string, *ansiState) bo
 	for idx := 0; idx < len(str); {
 		idx += findAnsiStart(str[idx:])
 
-		// No sign of ANSI code
 		if idx == len(str) {
+			// No sign of ANSI code
+			if len(offsets) == 0 {
+				return str, nil, state
+			}
 			break
 		}