@fabric-es/operator/dist/utils/getLogger.js

Network operator

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getLogger = void 0;
const moment_timezone_1 = __importDefault(require("moment-timezone"));
const winston_1 = require("winston");
const { combine, label, printf } = winston_1.format;
const logFormat = printf(({ level, message, label, timestamp }) => {
    return `${timestamp} [${level}]: ${message} (${label})`;
});
const appendTimestamp = winston_1.format((info, opts) => {
    if (opts.tz)
        info.timestamp = moment_timezone_1.default().tz(opts.tz).format();
    return info;
});
const CONSOLE = 1;
const FILE = 2;
const CLOUD = 4;
const loggers = {};
const getLogger = ({ name, level, target, timezone }) => {
    if (loggers[name]) {
        return loggers[name];
    }
    else {
        const logLevel = level || process.env.LOG_LEVEL || 'info';
        const logTarget = (target || process.env.LOG_TARGET || 'console|file|cloud').split('|').reduce((accu, curr) => {
            switch (curr) {
                case 'console': return accu | CONSOLE;
                case 'file': return accu | FILE;
                case 'cloud': return accu | CLOUD;
                default: return accu;
            }
        }, 0);
        const logTimezone = timezone || process.env.TZ || 'Asia/Hong_Kong';
        const transportArray = [];
        if (logTarget & FILE) {
            transportArray.push(new winston_1.transports.File({ filename: `./logs/app.log` }));
        }
        if (logTarget & CONSOLE)
            transportArray.push(new winston_1.transports.Console());
        loggers[name] = winston_1.createLogger({
            level: logLevel,
            exitOnError: false,
            format: combine(label({ label: name }), appendTimestamp({ tz: logTimezone }), logFormat),
            transports: transportArray,
        });
        return loggers[name];
    }
};
exports.getLogger = getLogger;
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