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sinatra-minify

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sinatra-minify

0.2.3
Rubygems

Version published: 14 years ago

Maintainers: 4

Created: 14 years ago

Source

sinatra-minify

Quick-start guide

First, install the sinatra-minify gem.

Add these to your app's main file:

require 'sinatra/minify'
class Main < Sinatra::Base
  register Sinatra::Minify
end

Add this to your app's Rakefile:

desc "Builds the minified CSS and JS assets."
task :minify do
  require 'init.rb'   # <= change this
  puts "Building..."

  files = Sinatra::Minify::Package.build(Main)  # <= change this
  files.each { |f| puts " * #{File.basename f}" }
  puts "Construction complete!"
end

# Be sure to change the values above. They assume that your main
# file is called 'init.rb' and that your Application class is called
# 'Main'.

Now add your JS/CSS packages in config/assets.yml (relative to your app's root path). The files are are assumed to be in public/js and public/css by default.

# config/assets.yml
js:
  base:
    - jquery-1.4.2.js
    - underscore-0.6.0.js
    - app/*.js                 # Wildcards are allowed! ;)
css:
  base:
    - common.css
    - app.*.css
  homepage:
    - home.*.css

Now add the helpers to your templates:

# views/layout.erb (for example)
   ...
   <%= css_assets 'base' %>
   <%= css_assets 'homepage' %>
</head>
<body>
    ...
    <%= js_assets 'base' %>
</body>
</html>
<!-- The 'base' and 'homepage' above are the names of the
     packages as defined in your config/assets.yml. -->

This will include the scripts and stylesheets as individual <script> and <link> tags. To include the minified files instead, switch to the production environment and build the minified files by typing rake minify:build.

Usage tips

Building minified files

After editing your Rakefile, the minified files can be built by typing:

rake minify

This creates files called <package_name>.min.js (and .css) in your public/js and public/css folders.

Make sure your app is running on http://localhost:4567 before doing this!

NOTE: Building of minified files is NOT done automatically! You must call this explicitly. Add it to your Capistrano deploy scripts or something.

Adding sinatra-minify as a dependency (Monk)

If your using Monk (or otherwise using the dependency gem), simply add the sinatra-minify GitHub repo to your dependencies file.

echo sinatra-minify git://github.com/sinefunc/sinatra-minify.git >> dependencies
dep vendor sinatra-minify

Changing JS/CSS paths

By default, sinatra-minify looks at public/js and public/css for your JS and CSS files, respectively. You can change them with:

class Main < Sinatra::Base
    register Sinatra::Minify

    set :js_path, 'public/javascripts'
    set :js_url,  '/javascripts'

    set :css_path, 'public/stylesheets'
    set :css_url,  '/stylesheets'

Forcing minification

Minifying happens in the production environment only by default. You can force this behavior by enabling the force_minify option in your app:

class Main < Sinatra::Base
    register Sinatra::Minify

    # Always minify
    enable :force_minify

You can also define your own behavior for checking whether to minify or not.

class Main < Sinatra::Base
    register Sinatra::Minify
    def self.minify?
      prodiction? or staging?
    end

Ignore minified files in source control

It'd be good practice to add *.min.{css,js} to your .gitignore file (or similar, for those not using Git).

Using sinatra-minify with Less / Sass

Let's say you have some routes like

get '/css/:file.css' do
  # some code here that opens the less file
end

In order to properly minify this, the application must be running when you do rake minify:build. By default, we assume you have your app running in http://localhost:4567, but you can easily override this by doing:

# First let's run your application. Let's say it's a rack app:
rackup config.ru

# Now specify the URL via:
MINIFY_SITE_URL=http://localhost:9292 rake minify:build

Authors

Sinatra-minify is co-authored by Rico Sta. Cruz and Cyril David of Sinefunc, Inc. See more of our work on www.sinefunc.com!

Copyright

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Package last updated on 02 Jun 2010

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