@shopgate/pwa-common/subscriptions/index.js

Common library for the Shopgate Connect PWA.

/**
 * A registry for all subscribers.
 * @type {Array}
 */var subscriptionRegistry=[];/**
 * A wrapper for stream$.subscribe() that gets injected into each subscriber.
 * @param {Observable} stream$ A observable stream.
 * @param {Function} subscriberFn The subscriber function.
 */var handleSubscribers=function handleSubscribers(stream$,subscriberFn){subscriptionRegistry.push(stream$.subscribe(subscriberFn));};/**
 * Unsubscribes all cached subscriptions.
 */var unsubscribe=function unsubscribe(){subscriptionRegistry.splice(0).forEach(function(subscription){return subscription.unsubscribe();});};/**
 * Calls each subscriber function and passes the handleSubscribers() to it.
 * @param {Array} subscribers The subscribers from the theme.
 * @return {Function} A reference to unsubscribe().
 */var initSubscribers=function initSubscribers(subscribers){if(subscriptionRegistry.length){unsubscribe();}subscribers.forEach(function(subscription){return subscription(handleSubscribers);});return unsubscribe;};export default initSubscribers;