Naimikan/angular-mapboxgl-directive

angular.module('mapboxgl-directive').directive('glBearing', [function () {
    function mapboxGlBearingDirectiveLink (scope, element, attrs, controller) {
        if (!controller) {
            throw new Error('Invalid angular-mapboxgl-directive controller');
        }

        var mapboxglScope = controller.getMapboxGlScope();

        controller.getMap().then(function (map) {
            mapboxglScope.$watch('glBearing', function (bearingObject) {
                if (angular.isDefined(bearingObject)) {
                    if (angular.isNumber(bearingObject.value)) {
                        map.setBearing(bearingObject.value, bearingObject.eventData);
                    } else {
                        throw new Error('Invalid bearing');
                    }
                }
            }, true);
        });
    }

    var directive = {
        restrict: 'A',
        scope: false,
        replace: false,
        require: '?^mapboxgl',
        link: mapboxGlBearingDirectiveLink
    };

    return directive;
}]);