Content of application.js for adding Require.js to Backbone.js application

config_files.js.coffee

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application.js
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require [
  'backbone', 
  'path/to/router/with/index/handler'],
   (Backbone, IndexRouter) ->
     $ ->
       Main = new IndexRouter()
       Backbone.history.start()
      
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requirejs.yml
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modules:
  - name: 'application'
 
shim: {
  'backbone': {
    # These script dependencies should be loaded before loading
    # backbone.js
    deps: ['underscore', 'jquery'],
    # Once loaded, use the global 'Backbone' as the
    # module value.
    exports: 'Backbone'
  }
}

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MainRouter.js
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define [
  'backbone'], 
  (Backbone, $) ->
    class IndexRouter extends Backbone.Router
      routes:
        '': 'index'
        
      index: () ->
        alert("wooo..It works")