salix/modules/ticket/front/data/step-two/index.js

import ngModule from '../../module';

class Controller {
    constructor($http) {
        this.$http = $http;
    }

    $onInit() {
        this.data.registerChild(this);
    }

    onStepChange(state) {
        return true;
    }
}

Controller.$inject = ['$http'];

ngModule.component('vnTicketDataStepTwo', {
    template: require('./index.html'),
    controller: Controller,
    bindings: {
        ticket: '<'
    },
    require: {
        data: '^vnTicketData'
    }
});