quay/static/js/directives/match.js

/**
 * Adds a 'match' attribute that ensures that a form field's value matches another field's
 * value.
 */
angular.module('quay').directive('match', function($parse) {
  return {
    require: 'ngModel',
    link: function(scope, elem, attrs, ctrl) {
      scope.$watch(function() {
        return $parse(attrs.match)(scope) === ctrl.$modelValue;
      }, function(currentValue) {
        ctrl.$setValidity('mismatch', currentValue);
      });
    }
  };
});