From c7e36bfd89634a9c4ffe1ad44b14fa410561f55c Mon Sep 17 00:00:00 2001
From: Louis-Dominique Dubeau <ldd@lddubeau.com>
Date: Tue, 14 Aug 2018 17:57:29 -0400
Subject: [PATCH] perf: minor optimizations

---
 lib/saxes.js | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/lib/saxes.js b/lib/saxes.js
index 3c91835f..e9cd7301 100644
--- a/lib/saxes.js
+++ b/lib/saxes.js
@@ -860,11 +860,9 @@ class SaxesParser {
 
   /** @private */
   sDoctypeQuoted(chunkState) {
-    const c = this.captureWhile(chunkState, cx => cx !== this.q, "doctype");
-    if (!c) {
-      return;
-    }
-    if (c !== this.q) {
+    const { q } = this;
+    const c = this.captureWhile(chunkState, cx => cx !== q, "doctype");
+    if (!c || c !== q) {
       return;
     }
 
@@ -894,13 +892,14 @@ class SaxesParser {
 
   /** @private */
   sDoctypeDTDQuoted(chunkState) {
-    const c = this.captureWhile(chunkState, cx => cx !== this.q, "doctype");
+    const { q } = this;
+    const c = this.captureWhile(chunkState, cx => cx !== q, "doctype");
     if (!c) {
       return;
     }
 
     this.doctype += String.fromCodePoint(c);
-    if (c === this.q) {
+    if (c === q) {
       this.state = S_DOCTYPE_DTD;
       this.q = null;
     }
@@ -1400,13 +1399,14 @@ class SaxesParser {
 
   /** @private */
   sAttribValueQuoted(chunkState) {
+    const { q } = this;
     const c = this.captureWhile(
       chunkState,
       (cx) => {
         if (cx === LESS) {
           this.fail("disallowed character.");
         }
-        return cx !== this.q && cx !== AMP;
+        return cx !== q && cx !== AMP;
       },
       "attribValue");
     if (c === AMP) {