javascript - Get Object based on Key Value in Angular ui-router state params -

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i trying retrieve object in firebase based on 1 of objects key values in ui-router $stateparams. example:

firebase structure:

"businesses" : {     "-kp_xebaya8oln6wousx" : {       "category" : "restaurant",       "link" : "urlfriendly",       "name" : "some restaurant"     },

the link page so:

website.com/food/restaurants/urlfriendly

in app.js:

.state('food.restaurants.item',{             url: '/:item',             templateurl: function($stateparams){                 return 'pages/business.html'             },             controller: function($scope, $firebasearray $stateparams){                 var sref = firebase.database().ref().child("businesses");                 $scope.restarants = $firebasearray(sref);                  var matches = $scope.restaurants.filter(function(val, index, array){                     return val.link === $stateparams.item;                 });                 $scope.finalitem = matches[0];             }         })

the end result $scope.finalitem loaded 1 of objects like:

<h2>{{finalitem.name}}</h2>


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