Handlebars Rake::Pipeline filter

gistfile1.rb

require "json"
class HandlebarsFilter < Rake::Pipeline::Filter
  def initialize(&block)
    block ||= proc { |input| input.sub(/\.handlebars$/, '.js') }
    super(&block)
  end

  def generate_output(inputs, output)
    inputs.each do |input|
      output.write "return Ember.Handlebars.compile(#{input.read.to_json})"
    end
  end
end

Given a template in lib/templates/myview.handlebars:

MyView = Ember.View.extend({
  template: minispade.require('lib/templates/myview.js')
})

That's not necessarily the right way to do it, it's just the way I did it :) We'll hopefully have a HandlebarsFilter in rake-pipeline-web-filters fairly soon that will do it the right way.