logger-genesis/dist/logger.js

Logger package for genesis developers

"use strict";
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var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
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};
Object.defineProperty(exports, "__esModule", { value: true });
const menashmq_1 = __importDefault(require("menashmq"));
const winston = __importStar(require("winston"));
class LoggerGenesis {
    system;
    service;
    useRabbit;
    logQueueName;
    winstonLogger;
    connected = false;
    async initialize(system, service, useRabbit, rabbitOptions) {
        this.system = system;
        this.service = service;
        this.useRabbit = useRabbit;
        this.createWinstonLogger();
        if (useRabbit) {
            if (!rabbitOptions)
                throw new Error(`rabbitOptions  required`);
            this.logQueueName = rabbitOptions.logQueueName;
            if (rabbitOptions.createMenashRabbitMQConnection)
                await LoggerGenesis.connectToRabbitMQ(rabbitOptions.uri, rabbitOptions.retryOptions);
            if (menashmq_1.default.isReady)
                await this.declareQueue();
            else
                throw new Error(`Can't find rabbitMQ to connect`);
            this.connected = true;
        }
    }
    createWinstonLogger() {
        const { config, format } = winston;
        this.winstonLogger = winston.createLogger({
            levels: config.npm.levels,
            format: format.combine(format.colorize(), format.timestamp({
                format: 'YYYY-MM-DD HH:mm:ss',
            }), format.splat(), format.simple()),
            transports: [new winston.transports.Console()],
        });
    }
    async declareQueue() {
        await menashmq_1.default.declareQueue(this.logQueueName, { durable: true });
    }
    static async connectToRabbitMQ(uri, retryOptions = {}) {
        await menashmq_1.default.connect(uri, retryOptions);
    }
    sendLogToQueue(level, title, message, extraFields) {
        const logToSend = {
            system: this.system,
            service: this.service,
            level,
            title,
            message,
            '@timeStamp': Date.now(),
            ...extraFields,
        };
        menashmq_1.default.send(this.logQueueName, logToSend, { persistent: true }).catch((err) => console.log('failed to log', err));
    }
    info(title, message, extraFields) {
        if (this.useRabbit)
            this.sendLogToQueue('info', title, message, extraFields);
        this.winstonLogger.info(title + ', ' + message);
    }
    warn(title, message, extraFields) {
        if (this.useRabbit)
            this.sendLogToQueue('warn', title, message, extraFields);
        this.winstonLogger.warn(title + ', ' + message);
    }
    error(title, message, extraFields) {
        if (this.useRabbit)
            this.sendLogToQueue('error', title, message, extraFields);
        this.winstonLogger.error(title + ', ' + message);
    }
    isConnected() {
        return this.connected;
    }
}
exports.default = LoggerGenesis;
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