From 31791f2dd2db4eb17969dc9dab8f7034aad00c57 Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Fri, 29 Dec 2017 09:02:26 -0500
Subject: [PATCH] code review: caller always expect an array as return value

---
 src/js/html-filtering.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/js/html-filtering.js b/src/js/html-filtering.js
index 890c874d9..5f93aaadc 100644
--- a/src/js/html-filtering.js
+++ b/src/js/html-filtering.js
@@ -137,7 +137,7 @@
         return [ root ];
     };
     PSelector.prototype.exec = function(input) {
-        if ( this.invalid ) { return; }
+        if ( this.invalid ) { return []; }
         var nodes = this.prime(input);
         for ( var task of this.tasks ) {
             if ( nodes.length === 0 ) { break; }