JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-controller="MyCtrl">
    <input ng-model="variable"/><br/>
    Live output: {{variable | countmessage : type}}!<br/>
      Output: {{1 | countmessage : type}}!
</div>

JavaScript

var myApp = angular.module('myApp',['myApp.filters']);

function MyCtrl($scope) {
    $scope.type = 'cat';
}

 angular.module('myApp.filters', [])
    .filter('countmessage', function () {
    
        return function (input, itemType) {
            var result = input + ' ' + itemType;
            if (input >  1) result += 's';
            return result;
        }
     });