options.check method

gistfile1.coffee

        options.check = (composition) ->
          if composition.type is type
            if _(composition.params).isEqual options.params
              return true
            else if composition.params?.forceInit
              # so the view will be re-initialized everytime
              return false
            else
              # trigger an event in the view that params have changed
              # so views can handle the change on there own
              composition.view.trigger('change:params', options.params)
              return true