From 587feb38170affee37eda8e4a6d44fa8c4c19bc9 Mon Sep 17 00:00:00 2001
From: eight <eight04@gmail.com>
Date: Mon, 25 Sep 2017 18:21:11 +0800
Subject: [PATCH] Fix: externalLink might be null

---
 install-usercss/install-usercss.js | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/install-usercss/install-usercss.js b/install-usercss/install-usercss.js
index 2429954f..f824bfa2 100644
--- a/install-usercss/install-usercss.js
+++ b/install-usercss/install-usercss.js
@@ -127,7 +127,7 @@
     cm.setPreprocessor(data.preprocessor);
 
     // update metas
-    document.title = data.name;
+    document.title = `${installButtonLabel()} ${data.name}`;
 
     $('.install').textContent = installButtonLabel();
     $('.set-update-url').title = dup && dup.updateUrl && t('installUpdateFrom', dup.updateUrl) || '';
@@ -150,9 +150,12 @@
       $('.applies-to').appendChild($element({tag: 'li', textContent: pattern}))
     );
 
-    $('.external-link').appendChild(externalLink());
+    const externalLink = makeExternalLink();
+    if (externalLink) {
+      $('.external-link').appendChild();
+    }
 
-    function externalLink() {
+    function makeExternalLink() {
       const urls = [];
       if (data.homepageURL) {
         urls.push([data.homepageURL, t('externalHomepage')]);