react-mqtt-hooks/dist/index.d.cts

React Hooks for MQTT

import * as react_jsx_runtime from 'react/jsx-runtime';
import { IClientOptions, MqttClient } from 'mqtt';
import { Buffer } from 'node:buffer';

type MqttConnectorProps = {
    children: React.ReactNode;
    url: string;
    options?: IClientOptions;
    customParser?: (message: Buffer) => any;
};
declare function MqttConnector({ children, url, options, customParser }: MqttConnectorProps): react_jsx_runtime.JSX.Element;

type MqttClientType = MqttClient | null;

declare function useMqttClient(): MqttClientType;

declare function useTopic<T = any>(topic: string | null): T | undefined;

declare function useTopics(topics: string[]): Record<string, any>;

declare class MqttCache {
    private static instance;
    private cache;
    private mqttClient;
    private customParser;
    private activeSubscriptions;
    static getInstance(): MqttCache;
    setClient(client: MqttClient | null): void;
    setCustomParser(parser: ((message: Buffer) => any) | undefined): void;
    private setupMessageListener;
    private resubscribeToActiveTopics;
    private notifySubscribers;
    getData<T>(topic: string): T | undefined;
    private setData;
    subscribe(topic: string, callback: Function, subscriberId: string): number;
    unsubscribe(topic: string, subscriberId: string): boolean;
}

declare const _cache: MqttCache;

export { MqttConnector, _cache, useMqttClient, useTopic, useTopics };