Play with Coffeescript / Sinatra

Sinatra

Install node.js:

        # See: http://nodejs.org/#download
        NJSVERSION=v0.2.4
        cd ~/tmp && wget http://nodejs.org/dist/node-${NJSVERSION}.tar.gz && tar zxf node-${NJSVERSION}.tar.gz && cd node-${NJSVERSION}
        ./configure --prefix=/opt/node-${NJSVERSION} && make && make install && ln -s /opt/node-${NJSVERSION} /opt/node
        ln -s /opt/node/bin/node ~/bin/node
        vi .bashrc
                ..
                export PATH=$PATH:/opt/node/bin
                ..

Install npm:

        # See: http://npmjs.org/
        curl http://npmjs.org/install.sh | sh

Install coffeescript:

        # See: http://jashkenas.github.com/coffee-script/
        /opt/node/bin/npm install coffee-script

Create your coffeescript app with sinatra:

        gem install sinatra haml coffee-script

        mkdir views
        vi app.rb
                require 'sinatra'
                require 'haml'
                require 'coffee_script'
                get('/')  {haml   :hello}
                get('/js'){coffee :hello}
        vi views/hello.coffee
                alert 'Hello world!'
        vi views/hello.haml
            %html
                %head
                    %script(type="application/javascript" src="/js")