@jay-js/system/dist/state/core/subscriber.js

A powerful and flexible TypeScript library for UI, state management, lazy loading, routing and managing draggable elements in modern web applications.

/**
 * Subscriber manager for the state system
 * Isolates the logic of managing the current subscriber and avoids using global variables
 */
class SubscriberManager {
    constructor() {
        // The current active subscriber
        this._current = null;
    }
    /**
     * Sets the current subscriber
     * @param subscriber Function to be set as the current subscriber
     */
    setSubscriber(subscriber) {
        this._current = subscriber;
    }
    /**
     * Gets the current subscriber
     * @returns The current subscriber or null if none exists
     */
    getSubscriber() {
        return this._current;
    }
    /**
     * Checks if there is an active subscriber
     * @returns true if there is an active subscriber, false otherwise
     */
    hasSubscriber() {
        return this._current !== null;
    }
    /**
     * Clears the current subscriber
     */
    clearSubscriber() {
        this._current = null;
    }
}
// Exports a single instance of the manager to be shared across the application
export const subscriberManager = new SubscriberManager();
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