From 69655922dc8fada82e347b4598c53b784e370e20 Mon Sep 17 00:00:00 2001
From: Yehonal <yehonal.azeroth@gmail.com>
Date: Sun, 12 Jan 2020 18:24:18 +0100
Subject: improved red-link check

---
 _includes/git-wiki/sections/head/scripts.html |  2 +-
 _includes/git-wiki/sections/tail/tail.html    |  8 +++-
 assets/js/checkLinks.js                       | 53 +++++++++++++++++++++++++++
 assets/js/red-links.js                        | 41 ---------------------
 wiki/main_page.md                             |  2 +-
 5 files changed, 62 insertions(+), 44 deletions(-)
 create mode 100644 assets/js/checkLinks.js
 delete mode 100644 assets/js/red-links.js

diff --git a/_includes/git-wiki/sections/head/scripts.html b/_includes/git-wiki/sections/head/scripts.html
index 9cf23f3..9497626 100644
--- a/_includes/git-wiki/sections/head/scripts.html
+++ b/_includes/git-wiki/sections/head/scripts.html
@@ -4,7 +4,7 @@
 
 <script src="https://code.jquery.com/jquery-3.2.1.min.js" integrity="sha256-hwg4gsxgFZhOsEEamdOYGBf13FyQuiTwlAQgxVSNgt4="
     crossorigin="anonymous"></script>
-<script src="{{ '/assets/js/red-links.js' | relative_url }}"></script>
+<script src="{{ '/assets/js/checkLinks.js' | relative_url }}"></script>
 <!--[if lt IE 9]>
     <script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
     <![endif]-->
diff --git a/_includes/git-wiki/sections/tail/tail.html b/_includes/git-wiki/sections/tail/tail.html
index 8aa8139..f5944c9 100644
--- a/_includes/git-wiki/sections/tail/tail.html
+++ b/_includes/git-wiki/sections/tail/tail.html
@@ -18,9 +18,15 @@
 </script>
 {% endif %}
 
+{% assign items = site.html_pages %}
+{% for page in items %}
+{% assign url = page.url | relative_url %}
+{% assign urls = urls | append: url | append: "," %}
+{% endfor %}
+
 <script type="text/javascript">
     $(document).ready(function () {
-        $(document.body).redLinks();
+        $(document.body).checkLinks("{{ urls }}".split(","));
     });
 </script>
 
diff --git a/assets/js/checkLinks.js b/assets/js/checkLinks.js
new file mode 100644
index 0000000..bd41fb6
--- /dev/null
+++ b/assets/js/checkLinks.js
@@ -0,0 +1,53 @@
+(function ($) {
+    //
+    // RED LINK FEATURE (Hacky)
+    $.fn.checkLinks = function (staticPages) {
+        setTimeout(
+            function () {
+                $('a').each(function () {
+                    // avoid red link for external urls
+                    if (this.hostname != window.location.hostname) {
+                        if ($(this).parents('#git-wiki-content').length > 0)
+                            $(this).addClass("external-link");
+                        return;
+                    }
+
+                    for (var k in staticPages) {
+                        var page = staticPages[k];
+                        var link = document.createElement("a");
+                        link.href = page;
+
+                        if (this.href === link.href) {
+                            return;
+                        }
+                    }
+
+                    var ext = this.pathname.split('.').pop().split(/\#|\?/)[0];
+
+                    // pessimistic condition based on the fact that
+                    // markdown files are automatically converted in html
+                    // if they are part of the wiki (the real check is right below)
+                    var lExt = ext && ext.toLowerCase();
+                    var isRed = lExt == "md" || lExt == "markdown";
+
+                    if (isRed)
+                        $(this).css('color', 'red');
+
+                    var that = this;
+                    $.ajax({
+                        type: 'HEAD',
+                        url: this.href,
+                        success: function () {
+                            $(that).css('color', '');
+                        },
+                        error: function (xhr, ajaxOptions, thrownError) {
+                            if (xhr.status == 404) {
+                                $(that).css('color', 'red');
+                            }
+                        }
+                    });
+                });
+            }, 0);
+    };
+
+})(jQuery);
\ No newline at end of file
diff --git a/assets/js/red-links.js b/assets/js/red-links.js
deleted file mode 100644
index 8c1d719..0000000
--- a/assets/js/red-links.js
+++ /dev/null
@@ -1,41 +0,0 @@
-(function ($) {
-    //
-    // RED LINK FEATURE (Hacky)
-    // TODO: filter external links
-    $.fn.redLinks = function () {
-        setTimeout(
-            function () {
-                $('a').each(function () {
-                    // avoid red link for external urls
-                    if (this.hostname != window.location.hostname) {
-                        if ($(this).parents('#git-wiki-content').length > 0)
-                            $(this).addClass("external-link");
-                        return;
-                    }
-
-                    var ext = this.href.split('.').pop().split(/\#|\?/)[0];
-
-                    // [Performance tip] pessimistic condition based on the fact that
-                    // markdown files are automatically converted in html
-                    // if they are part of the wiki (the real check is right below)
-                    if (ext.toLowerCase() == "md" || ext.toLowerCase() == "markdown")
-                        $(this).css('color', 'red');
-
-                    var that = this;
-                    $.ajax({
-                        type: 'HEAD',
-                        url: this.href,
-                        success: function () {
-                            $(that).css('color', '');
-                        },
-                        error: function (xhr, ajaxOptions, thrownError) {
-                            if (xhr.status == 404) {
-                                $(that).css('color', 'red');
-                            }
-                        }
-                    });
-                });
-            }, 0);
-    };
-
-})(jQuery);
\ No newline at end of file
diff --git a/wiki/main_page.md b/wiki/main_page.md
index a1716a5..62ec0b5 100644
--- a/wiki/main_page.md
+++ b/wiki/main_page.md
@@ -4,4 +4,4 @@ redirect_from: "/"
 
 This is a sample of main page. You can edit it to start your wiki.
 
-For documentation, installation guide and demo of [git-wiki-theme](git-wiki-theme.md) visit this [link](http://drassil.github.io/git-wiki/)
+For documentation, installation guide and demo of [git-wiki-theme](git-wiki-theme) visit this [link](http://drassil.github.io/git-wiki/)
-- 
cgit