How to fix filter Angular JS?

Question

My filter should return items in object when elements of object exists in array:

$scope.isCategory = function() {
    return function(item) {
        if($scope.filterObj.categories.length > 0) {
            return angular.forEach( $scope.filterObj.categories, function(value, key) {
                return (item.categories.indexOf(value) == -1);
            });
        }
        return item;
    }
};

Where $scope.filterObj is ["a", "b"] and item.categories is ["a"].

Does it work for you?

lin
– lin

2017-03-13 15:07:15 +00:00
Commented Mar 13, 2017 at 15:07 — lin
– lin, Commented Mar 13, 2017 at 15:07

lin · Accepted Answer · 2017-03-13 12:09:12Z

1

Try:

$scope.isCategory = function() {
    return function(item) {
        if($scope.filterObj.categories.length > 0) {
            var found = false;
            angular.forEach($scope.filterObj.categories, function(value, key) {
                if (!found && item.categories.indexOf(value) !== -1) {
                    found = true;
                }
            });

            return found ? item : null;
        }
        return item;
    }
};

answered Mar 13, 2017 at 12:09

lin

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