@das3mical/adonis-mercure/build/src/mercure.js

Mercure Hub integration for AdonisJS v6 — publish real-time updates via Server-Sent Events (SSE)

import { TokenGenerator } from './token_generator.js';
import { Publisher } from './publisher.js';
const DEFAULT_TIMEOUT = 5000;
export class Mercure {
    #config;
    #tokenGenerator;
    #publisher;
    constructor(config) {
        this.#config = config;
        this.#tokenGenerator = new TokenGenerator(config);
        this.#publisher = new Publisher(config);
    }
    generate(payload) {
        return this.#tokenGenerator.generate(payload);
    }
    generateSubscribeToken(topics) {
        return this.#tokenGenerator.generateSubscribeToken(topics);
    }
    send(topics, data = {}, isPrivateOrOptions = false) {
        const options = typeof isPrivateOrOptions === 'boolean' ? { private: isPrivateOrOptions } : isPrivateOrOptions;
        return this.#publisher.publish(topics, data, options);
    }
    async ping() {
        const timeout = this.#config.http?.timeout ?? DEFAULT_TIMEOUT;
        const controller = timeout > 0 ? new AbortController() : null;
        const timer = controller ? setTimeout(() => controller.abort(), timeout) : null;
        try {
            await fetch(this.#config.endpoint, {
                method: 'HEAD',
                signal: controller?.signal,
            });
            return true;
        }
        catch {
            return false;
        }
        finally {
            if (timer)
                clearTimeout(timer);
        }
    }
}