Logging library with the support for terminal and file outputs. Also provides interfaces for building custom loggers.

An object that encapsulates provided message and arguments as well some metadata that can be later used when formatting a message.

Get log level numeric values through enum constants. Defaults to INFO.

Handlers are responsible for actual output of log messages. When a handler is called by a logger, it firstly checks that LogRecord's level is not lower than level of the handler. If level check passes, handlers formats log record into string and outputs it to target.

Resolve a Promise after a given amount of milliseconds.

Log with critical level, using default logger.

Log with debug level, using default logger.

Log with error level, using default logger.

Get a logger instance. If not specified name, get the default logger.

Log with info level, using default logger.

Setup logger config.

Log with warning level, using default logger.

Union of valid log level strings