Coffeescript generated javascript for angular-ui ui-date directive

date.coffee.js

/*
 jQuery UI Datepicker plugin wrapper
 
 @param [ui-date] {object} Options to pass to $.fn.datepicker() merged onto ui.config
*/

angular.module('ui.directives').directive('uiDate', [
  'ui.config', function(uiConfig) {
    var options;
    options = {};
    if (uiConfig.date != null) {
      angular.extend(options, uiConfig.date);
    }
    return {
      require: '?ngModel',
      link: function(scope, element, attrs, controller) {
        var opts, updateModel, usersOnSelectHandler;
        opts = angular.extend({}, options, scope.$eval(attrs.uiDate));
        /* If we have a controller (i.e. ngModelController) then wire it up
        */

        if (controller != null) {
          updateModel = function(value, picker) {
            return scope.$apply(function() {
              return controller.$setViewValue(element.datepicker("getDate"));
            });
          };
          if (opts.onSelect != null) {
            /* Caller has specified onSelect to call this as well as updating the model
            */

            usersOnSelectHandler = opts.onSelect;
            opts.onSelect = function(value, picker) {
              updateModel(value);
              return usersOnSelectHandler(value, picker);
            };
          } else {
            /* No onSelect already specified so just update the model
            */

            opts.onSelect = updateModel;
          }
          /* Update the date picker when the model changes
          */

          controller.$render = function() {
            var date;
            date = controller.$viewValue;
            if (!(date instanceof Date)) {
              date = new Date(date);
            }
            return element.datepicker("setDate", date);
          };
        }

	/* Watch uiDate attr and set datepicker options
        */
        scope.$watch(attrs.uiDate, function(options){
          Object.keys(options).forEach(function(o){
            element.datepicker( "option", o, options[o] )
          })
        }, true);

        /* Create the datepicker widget
        */

        return element.datepicker(opts);
      }
    };
  }
]);