Source: lib/MqttForwarder.js

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
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}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
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    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
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});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
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        __setModuleDefault(result, mod);
        return result;
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})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.MqttForwarder = void 0;
const logger_1 = require("./logger");
/** Forwards OSD telemetry data to an MQTT broker.
 * Requires the optional `mqtt` package — install with `npm install mqtt`.
 */
class MqttForwarder {
    /** @param params - MQTT broker URL and clientId. */
    constructor(params) {
        this.connected = false;
        this.init(params);
    }
    async init(params) {
        try {
            const mqtt = await Promise.resolve().then(() => __importStar(require('mqtt')));
            this.client = mqtt.connect(params.url, { clientId: params.clientId });
            this.client.on('connect', () => this.connected = true);
            this.client.on('error', (err) => logger_1.Logger.error('[MQTT]', err.message));
        }
        catch (_a) {
            logger_1.Logger.warning('[MQTT]', 'mqtt package not available, install with: npm install mqtt');
        }
    }
    /** Publish a telemetry frame to the `ryze.tello` topic. Skips `mpry` and `mid` fields. */
    pushData(osdData) {
        if (!this.client || !this.connected)
            return;
        const dataFrame = { timestamp: Date.now() * 1000 };
        Object.keys(osdData).forEach(k => {
            if (k !== 'mpry' && k !== 'mid')
                dataFrame[k] = osdData[k];
        });
        this.client.publish('ryze.tello', JSON.stringify(dataFrame));
    }
}
exports.MqttForwarder = MqttForwarder;
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