Asset minification (#799)

* Minify asset on each build

* Fix style

* Add github action step to install minify

* Remove unnecessary require

* Remove unnecessary lines

.github/workflows/build-pr.yml

@@ -24,6 +24,9 @@ jobs:
         # Runs 'bundle install' and caches installed gems automatically
         bundler-cache: true
 
+    - name: Install Minify
+      run: sudo apt-get update && sudo apt-get install minify
+
     # Build the website.
 
     - name: Build the static website

.github/workflows/build-website.yml

@@ -29,6 +29,9 @@ jobs:
         # Runs 'bundle install' and caches installed gems automatically
         bundler-cache: true
 
+    - name: Install Minify
+      run: sudo apt-get update && sudo apt-get install minify
+
     # Build the website.
 
     - name: Build the static website

README.md

@@ -33,9 +33,11 @@ To build the website locally, follow these steps:
 
 1. Install [Jekyll prerequisites](https://jekyllrb.com/docs/installation/).
    - Make sure `bundle` is available from the command line.
-2. Clone this repository.
-3. Install the necessary dependencies: `bundle install`.
-4. Build the site: `bundle exec jekyll build`.
+2. Install [Minify](https://github.com/tdewolff/minify/tree/master/cmd/minify).
+	- Make sure `minify` is available from the command line.
+3. Clone this repository.
+4. Install the necessary dependencies: `bundle install`.
+5. Build the site: `bundle exec jekyll build`.
    - Append `--config _config.yml,_config.development.yml` to use the development config with your build.
 
 For simplicity, these two commands are also available as a `build.sh` script in this repository.

_includes/header.html

@@ -14,9 +14,7 @@
 		<nav id="nav">
 			<ul class="left">
 				<li><a href="/features">Features</a></li>
-				<div class="only-on-mobile" style="width: 100%">
-					<li><a href="/showcase">Showcase</a></li>
-				</div>
+				<li class="only-on-mobile"><a href="/showcase">Showcase</a></li>
 				<li><a href="/blog">Blog</a></li>
 				<li><a href="/community">Community</a></li>
 				<li><a href="/contact">About</a></li>

_plugins/minify-assets.rb

@@ -0,0 +1,5 @@
+# Minify assets after each build
+Jekyll::Hooks.register :site, :post_write do
+  puts "Minifying assets"
+  `minify -r -o _site/ _site/`
+end