From e407472f90247bd23485191b9ecaab89a90326c8 Mon Sep 17 00:00:00 2001
From: Paul Collier <paul@paulcollier.ca>
Date: Mon, 1 Dec 2014 20:43:50 -0800
Subject: [PATCH] rustdoc: Check for href when prepending rootPath

Fixes #18354.
---
 src/librustdoc/html/static/main.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/librustdoc/html/static/main.js b/src/librustdoc/html/static/main.js
index 7c6f7ed3fe23..8943d942cefb 100644
--- a/src/librustdoc/html/static/main.js
+++ b/src/librustdoc/html/static/main.js
@@ -707,8 +707,8 @@
                 var code = $('<code>').append(structs[j]);
                 $.each(code.find('a'), function(idx, a) {
                     var href = $(a).attr('href');
-                    if (!href.startsWith('http')) {
-                        $(a).attr('href', rootPath + $(a).attr('href'));
+                    if (href && !href.startsWith('http')) {
+                        $(a).attr('href', rootPath + href);
                     }
                 });
                 var li = $('<li>').append(code);