salix/modules/monitor/front/index/index.js

import ngModule from '../module';
import Section from 'salix/components/section';
import './style.scss';

export default class Controller extends Section {
    constructor($element, $) {
        super($element, $);

        const isTopPanelHidden = localStorage.getItem('ticketTopPanelHidden');
        if (isTopPanelHidden === 'true')
            this.isTopPanelHidden = true;
    }

    toggle() {
        const monitor = this.element.querySelector('vn-horizontal');
        const isHidden = monitor.classList.contains('hidden');

        if (!isHidden) {
            monitor.classList.add('hidden');
            localStorage.setItem('ticketTopPanelHidden', true);
        } else {
            monitor.classList.remove('hidden');
            localStorage.setItem('ticketTopPanelHidden', false);
        }
    }
}

ngModule.vnComponent('vnMonitorIndex', {
    template: require('./index.html'),
    controller: Controller,
    require: {
        main: '^vnMonitorIndex'
    }
});