app/assets/javascripts/hidden_until_select.js.coffee
class @HiddenUntilSelect
constructor: ($root, @$dependent) ->
@$controller = $root.find("##{ @$dependent.attr("data-hide-until-select") }")
@$controller.change => @checkHide()
@checkHide()
checkHide: ->
@$dependent.toggle(@$controller.val())
$ ->
$scope = $(document.body)
$scope.find("[data-hide-until-select]").each (idx, el) ->
new HiddenUntilSelect($scope, $(el))