angular.js service to work with seo in ES6 format

gistfile1.js

'use strict';

class PageFactory {
    /*@ngInject*/
    constructor() {

        this.title = '';
        this.description = '';
        this.banner = true;

        return {
            load: load(),
            progress: progress(),
            setTitle: setTitle,
            setDescription: setDescription,
            getDescription: getDescription,
            banner: this.banner
        }

        //
        // SEO
        //
        function setTitle(str) {
            this.title = str;
        }

        function setDescription(str) {
            this.description = str;
        }

        function getDescription() {
            return this.description;
        }


        //
        // PAGE LOADER
        //
        function load() {
            return {
                init: function() {
                    this.status = true;
                    //console.log('loader iniciado...' + this.status);
                },
                done: function() {
                    this.status = false;
                    //console.log('loader finalizado...' + this.status);
                }
            }
        }

        //
        // PROGRESS (SPIN)
        //
        function progress() {
            return {
                init: function() {
                    this.status = true;
                    //console.log('progress iniciado...' + this.status);
                },
                done: function() {
                    this.status = false;
                    //console.log('progress finalizado...' + this.status);
                }
            }
        }

    }
}

export
default PageFactory;