salix/modules/client/front/descriptor-popover/index.js

import ngModule from '../module';
import DescriptorPopover from 'salix/components/descriptor-popover';

class Controller extends DescriptorPopover {
    get client() {
        return this.entity;
    }

    loadData() {
        return this.getData(`Clients/${this.id}/getCard`)
            .then(res => this.entity = res.data);
    }
}

ngModule.vnComponent('vnClientDescriptorPopover', {
    slotTemplate: require('./index.html'),
    controller: Controller
});