From 29d8644db160f48f4f6f41cd9c337315413c8660 Mon Sep 17 00:00:00 2001
From: Erik Strand <erik.strand@cba.mit.edu>
Date: Wed, 13 Feb 2019 19:04:20 -0500
Subject: [PATCH] Use relative URLs
---
_includes/navigation.html | 2 +-
_layouts/default.html | 2 +-
_plugins/real_relative_url.rb | 17 +++++++++++++++++
_sass/main.scss | 2 +-
4 files changed, 20 insertions(+), 3 deletions(-)
create mode 100644 _plugins/real_relative_url.rb
diff --git a/_includes/navigation.html b/_includes/navigation.html
index ab853aa..2e0739d 100644
--- a/_includes/navigation.html
+++ b/_includes/navigation.html
@@ -1,5 +1,5 @@
<nav>
{% for item in site.data.navigation %}
- <a href="{{ item.link }}" {% if page.url == item.link %}class="current"{% endif %}>{{ item.name }}</a>
+ <a href="{{ item.link | real_relative_url }}" {% if page.url == item.link %}class="current"{% endif %}>{{ item.name }}</a>
{% endfor %}
</nav>
diff --git a/_layouts/default.html b/_layouts/default.html
index ceef12e..2b0a996 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -3,7 +3,7 @@
<head>
<meta charset="utf-8">
<title>{{ page.title }}</title>
- <link rel="stylesheet" href="/assets/css/styles.css">
+ <link rel="stylesheet" href="{{ "/assets/css/styles.css" | real_relative_url }}">
{% include mathjax.html %}
</head>
<body>
diff --git a/_plugins/real_relative_url.rb b/_plugins/real_relative_url.rb
new file mode 100644
index 0000000..37ceb8c
--- /dev/null
+++ b/_plugins/real_relative_url.rb
@@ -0,0 +1,17 @@
+require 'pathname'
+
+# Jekyll's built-in "relative_url" filter does not generate relative URLs, it generates URLs that
+# don't contain the domain. This plugin was posted to a GitHub issue in which @aioobe asks about
+# making real relative URLs: https://github.com/jekyll/jekyll/issues/6360.
+
+module Jekyll
+ module RealRelativeUrl
+ def real_relative_url(url)
+ pageUrl = @context.registers[:page]["url"]
+ pageDir = Pathname(pageUrl).parent
+ Pathname(url).relative_path_from(pageDir).to_s
+ end
+ end
+end
+
+Liquid::Template.register_filter(Jekyll::RealRelativeUrl)
diff --git a/_sass/main.scss b/_sass/main.scss
index bc25e9e..9ecbc41 100644
--- a/_sass/main.scss
+++ b/_sass/main.scss
@@ -1,3 +1,3 @@
.current {
- color: green;
+ font-weight: bold;
}
--
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