react-antd-admin-panel/dist/main/Store.js

Modern TypeScript-first React admin panel builder with Ant Design 6

/**
 * Global Store - Reactive key-value store for application state
 * Supports subscriptions for reactive updates
 *
 * @example
 * const store = new GlobalStore();
 * store.set('theme', 'dark');
 * store.subscribe('theme', (theme) => console.log('Theme changed:', theme));
 * store.get<string>('theme'); // 'dark'
 */
export class GlobalStore {
    _data = new Map();
    _subscribers = new Map();
    /**
     * Get a value from the store
     */
    get(key) {
        return this._data.get(key);
    }
    /**
     * Set a value in the store
     * Notifies all subscribers of the change
     */
    set(key, value) {
        const prevValue = this._data.get(key);
        const newValue = typeof value === 'function'
            ? value(prevValue)
            : value;
        this._data.set(key, newValue);
        this._notifySubscribers(key, newValue);
    }
    /**
     * Remove a value from the store
     */
    remove(key) {
        this._data.delete(key);
        this._notifySubscribers(key, undefined);
    }
    /**
     * Clear all values from the store
     */
    clear() {
        const keys = Array.from(this._data.keys());
        this._data.clear();
        keys.forEach(key => this._notifySubscribers(key, undefined));
    }
    /**
     * Check if a key exists in the store
     */
    has(key) {
        return this._data.has(key);
    }
    /**
     * Get all keys in the store
     */
    keys() {
        return Array.from(this._data.keys());
    }
    /**
     * Subscribe to changes for a specific key
     * Returns an unsubscribe function
     */
    subscribe(key, callback) {
        if (!this._subscribers.has(key)) {
            this._subscribers.set(key, new Set());
        }
        this._subscribers.get(key).add(callback);
        // Return unsubscribe function
        return () => {
            const subscribers = this._subscribers.get(key);
            if (subscribers) {
                subscribers.delete(callback);
                if (subscribers.size === 0) {
                    this._subscribers.delete(key);
                }
            }
        };
    }
    /**
     * Notify all subscribers of a value change
     */
    _notifySubscribers(key, value) {
        const subscribers = this._subscribers.get(key);
        if (subscribers) {
            subscribers.forEach(callback => callback(value));
        }
    }
    /**
     * Get the store as a plain object
     */
    toObject() {
        return Object.fromEntries(this._data);
    }
}
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