angularjs - Form watch with debounce fires multiple ng-submit events when hitting enter -


i need watch form input changes , fire search. search contains number of filters searching(not shown in plnkr). i'm watching form object accomplish this. input debounced not make repeated requests. problem have when user types search value , hits enter submit() function fires twice, 1 watch , 1 enter key ng-submit. how refactor this? need user able input text in search field , have search trigger after debounce interval, if input text , hit enter should ignore watch. can think of may different ways try fix this, hoping preferred solution 1 of :) thanks!

see this: https://plnkr.co/edit/ls5cqzs9x4ngi745po7c?p=preview

<body ng-app="submitexample">   <script>   angular.module('submitexample', [])     .controller('examplecontroller', ['$scope', function($scope) {       $scope.list = [];       $scope.text = 'hello';       $scope.$watch('text', function(newvalue, oldvalue) {         if(newvalue != oldvalue) {           $scope.submit();         }       });       $scope.submit = function() {         if ($scope.text) {           $scope.list.push(this.text);         }       };     }]); </script> <form ng-submit="submit()" ng-controller="examplecontroller">   enter text , hit enter:   <input type="text" ng-model="text" ng-model-options="{ debounce: 1000 }" name="text" />   <input type="submit" id="submit" value="submit" />   <pre>list={{list}}</pre> </form> </body>


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