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Rack::Router

A simple router for rack apps. Requires Ruby 1.9+.

Installation

Add this line to your application's Gemfile:

gem 'rack-router'

And then execute:

$ bundle

Or install it yourself as:

$ gem install rack-router

Usage

Here's an example showing a simple rack app that prints the value of a route parameter:

require 'rack/router'
require 'rack/lobster'

hello = ->(env) do
  [
    200,
    { "Content-Type" => "text/html" },
    ["<h1>Hello, #{env['rack.route_params'][:name]}</h1>"]
  ]
end

router = Rack::Router.new do
  get "/hello/:name" => hello
  get "/lobster" => Rack::Lobster.new, :as => "lobster"
end

run router

In this example, hello is just a rack app defined inline, in order to give us something to route to. The route to our hello app includes a parameter :name. The hello rack app is able to access that parameter via the rack env.

This is a valid Rackup file, so if you put this in a file named config.ru and run rackup, you will be app to hit the application like this:

$ curl http://localhost:9292/hello/paul
<h1>Hello, paul</h1>

Don't forget to try the lobster!

$ open http://localhost:9292/lobster

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Added some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request

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A simple router for Rack apps

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