import sessionStorage from '../infrastructure/session-storage' const CACHE_KEY = 'mbEvents' function alreadySent(key) { const eventCache = sessionStorage.getItem(CACHE_KEY) || {} return !!eventCache[key] } function markAsSent(key) { const eventCache = sessionStorage.getItem(CACHE_KEY) || {} eventCache[key] = true sessionStorage.setItem(CACHE_KEY, eventCache) } export function send(category, action, label, value) { if (typeof window.ga === 'function') { window.ga('send', 'event', category, action, label, value) } } export function sendOnce(category, action, label, value) { if (alreadySent(category)) return if (typeof window.ga !== 'function') return window.ga('send', 'event', category, action, label, value) markAsSent(category) } export function sendMB(key, segmentation = {}) { sendBeacon(key, segmentation) } export function sendMBOnce(key, segmentation = {}) { if (alreadySent(key)) return sendMB(key, segmentation) markAsSent() } export function sendMBSampled(key, body = {}, rate = 0.01) { if (Math.random() < rate) { sendMB(key, body) } } function sendBeacon(key, data) { if (!navigator || !navigator.sendBeacon) return data._csrf = window.csrfToken const blob = new Blob([JSON.stringify(data)], { type: 'application/json; charset=UTF-8', }) navigator.sendBeacon(`/event/${key}`, blob) }