Cloudflare-DDNS-Updater/src/libs/Logger.ts

import winston from 'winston';

const levels = {
    critical: 0,
    error: 1,
    alert: 2,
    warn: 3,
    info: 4,
    http: 5,
    debug: 6,
};

const level = () => {
    const env = process.env.NODE_ENV || 'development';
    const isDevelopment = env === 'development';
    return isDevelopment ? 'debug' : 'info';
};

const colors = {
    critical: 'red',
    error: 'red',
    alert: 'red',
    warn: 'yellow',
    info: 'green',
    http: 'magenta',
    debug: 'white',
};

winston.addColors(colors);

const consoleFormat = winston.format.combine(
    winston.format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss:ms' }),
    winston.format.colorize({ all: true }),
    winston.format.printf(
        (info) => `[${info.timestamp}] [${info.level}] ${info.message}`
    )
);

const format = winston.format.combine(
    winston.format.timestamp({
        format: new Date().toISOString()
    }),
    winston.format.json()
)

const transports = [
    new winston.transports.Console({
        format: consoleFormat
    }),
    new winston.transports.File({
        filename: 'logs/error.log',
        level: 'error',
    }),
    new winston.transports.File({ filename: 'logs/all.log' }),
];

const Logger = winston.createLogger({
    level: level(),
    levels,
    format,
    transports,
});

export default Logger;