@genexus/web-standard-functions/dist/lib-esm/web/globalEvents.js

GeneXus JavaScript standard functions library for web generators

import { cancelSubscription as cancel, publish as publishTopic, subscribe as subscribeTopic, cancelAllSubscriptions } from "../pubSub/pubSub";
/**
 * Subscribe to topic name. Automatically gets notified when someone publish to the topic name.
 * @param topicName The topic name to be subscribed.
 * @param handler The function to be called when someone publish to the topic name.
 * @return Returns Subscription object
 */
export function subscribe(name, handler) {
    return subscribeTopic(name, handler);
}
/**
 * Cancel a specific subscription.
 * @param suscription The suscription object
 */
export function unSubscribe(suscription) {
    cancel(suscription);
}
/**
 * Cancel all subscriptions
 */
export function unSubscribeAll() {
    cancelAllSubscriptions();
}
/**
 * Asynchronously publishes the message, passing the data to it's subscribers
 * @param topicName The topic name to publish the data
 * @param data  The data to pass to subscribers
 * @return Returns true if there are subscribers to the topic
 */
export function publish(topicName, ...data) {
    return publishTopic.apply(this, [topicName].concat(data));
}
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