Simple logging library.
// Append new logs to the existing file content.
// If false, the file will be cleared if if already exists.
const append = false
// Write special characters for colors in the log file.
// Those characters are invisible in the console and with special tools.
const stylize = true
Logger.default.logToFile('/path/to/logs.log', append, stylize)
const message = 'Hello world!'
const logger = Logger.default
// Log with all severity levels
logger.verbose(message)
logger.log(LogLevel.Verbose, message) // Alternative
logger.debug(message)
logger.log(LogLevel.Debug, message) // Alternative
logger.info(message)
logger.log(LogLevel.Info, message) // Alternative
logger.warn(message)
logger.log(LogLevel.Warn, message) // Alternative
logger.error(message)
logger.log(LogLevel.Error, message) // Alternative
// Log a json object
Logger.default.info(JSON.stringify(myObject))
// Log a number
logger.info(7)
// Log multiple things
logger.info(message, JSON.stringify(myObject), 7)
enum LogLevel {
None = 0, // No logs
Verbose = 1 << 0,
Debug = 1 << 1,
Info = 1 << 2,
Warn = 1 << 3,
Error = 1 << 4
}
Logger.default.level = LogLevel.Error
// If true: Only display logs of severity "level" and bigger.
// If false: Only logs of severity "level" will be displayed.
Logger.default.isMinLevel = false
// Add time in the log message
Logger.default.timeFormat = true
// Specify the time format. Default is 'DD/MM/YYYY HH:mm:ss'.
Logger.default.timeFormat = 'HH:mm'