From e46f01d320bfd0d488a4b257ee96685e79cd3725 Mon Sep 17 00:00:00 2001
From: ZhangYunHao <zhangyunhao116@gmail.com>
Date: Thu, 17 Mar 2022 21:52:47 +0800
Subject: [PATCH] Imporve AppendHTMLEscape fast path (#1249)

---
 bytesconv.go | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/bytesconv.go b/bytesconv.go
index a35b6068b6..a12bb95979 100644
--- a/bytesconv.go
+++ b/bytesconv.go
@@ -11,7 +11,6 @@ import (
 	"math"
 	"net"
 	"reflect"
-	"strings"
 	"sync"
 	"time"
 	"unsafe"
@@ -19,19 +18,11 @@ import (
 
 // AppendHTMLEscape appends html-escaped s to dst and returns the extended dst.
 func AppendHTMLEscape(dst []byte, s string) []byte {
-	if strings.IndexByte(s, '&') < 0 &&
-		strings.IndexByte(s, '<') < 0 &&
-		strings.IndexByte(s, '>') < 0 &&
-		strings.IndexByte(s, '"') < 0 &&
-		strings.IndexByte(s, '\'') < 0 {
-
-		// fast path - nothing to escape
-		return append(dst, s...)
-	}
+	var (
+		prev int
+		sub  string
+	)
 
-	// slow path
-	var prev int
-	var sub string
 	for i, n := 0, len(s); i < n; i++ {
 		sub = ""
 		switch s[i] {