Error With NVD3

/*Downloaded from https://www.codeseek.co/timbrown81/error-with-nvd3-dXwVZO */

/*
Copyright 2016 Google Inc. All Rights Reserved. 
Use of this source code is governed by an MIT-style license that can be in foundin the LICENSE file at https://material.angularjs.org/license.
*/

/*Downloaded from https://www.codeseek.co/timbrown81/error-with-nvd3-dXwVZO */
angular
    .module('app', ['nvd3'])
    .component('harveyBall', new HarveyBall());
var HarveyBallComponent = /** @class */ (function () {
    /* @ngInject */
    function HarveyBallComponent() {
        this.options = {
            chart: {
                type: 'pieChart',
                height: 100,
                y: this.value,
                pie: {
                    endAngle: function (d) { return this.value / this.max * 2 * Math.PI; },
                    y: this.value
                },
                showLegend: false
            }
        };
        this.config = {
            deepWatchData: false // default: true
        };
        this.data = [{
                key: "",
                y: 4
            }];
    }
    return HarveyBallComponent;
}());
var HarveyBall = /** @class */ (function () {
    function HarveyBall(controllerAs, controller, bindings, template) {
        this.controllerAs = controllerAs;
        this.controller = controller;
        this.bindings = bindings;
        this.template = template;
        this.controllerAs = 'ctrl';
        this.controller = HarveyBallComponent,
            this.bindings = {
                value: '=',
                max: '=',
                slices: '='
            };
        this.template = "<nvd3 options=\"ctrl.options\" config=\"ctrl.config\" data=\"ctrl.data\"></nvd3>";
    }
    return HarveyBall;
}());