Interface Logger

Interface for logging messages.

interface Logger {
    level: LogLevel;
    name: string;
    debug(messageOrOptions: string | LogOptions, ...args: unknown[]): void;
    error(messageOrOptions: string | LogOptions, ...args: unknown[]): void;
    fatal(messageOrOptions: string | LogOptions, ...args: unknown[]): void;
    info(messageOrOptions: string | LogOptions, ...args: unknown[]): void;
    log(level: LogLevel, messageOrOptions: string | LogOptions, ...args: unknown[]): void;
    trace(messageOrOptions: string | LogOptions, ...args: unknown[]): void;
    warn(messageOrOptions: string | LogOptions, ...args: unknown[]): void;
}

Implemented by

Properties

level name

Methods

debug error fatal info log trace warn

Properties

level

level: LogLevel

The current log level of the logger. This acts as a filter for the logger's output. Only messages with a level equal or higher than this value will be written to the log.

Readonlyname

name: string

The unique name of the logger.

Methods

debug

  • debug(messageOrOptions, ...args): void

  • Logs a message at level DEBUG.

    Parameters

    • messageOrOptions: string | LogOptions

      The message to log or the options.

    • Rest...args: unknown[]

      Arguments used for replacement tokens in the message.

    Returns void

error

  • error(messageOrOptions, ...args): void

  • Logs a message at level ERROR.

    Parameters

    • messageOrOptions: string | LogOptions

      The message to log or the options.

    • Rest...args: unknown[]

      Arguments used for replacement tokens in the message.

    Returns void

fatal

  • fatal(messageOrOptions, ...args): void

  • Logs a message at level FATAL.

    Parameters

    • messageOrOptions: string | LogOptions

      The message to log or the options.

    • Rest...args: unknown[]

      Arguments used for replacement tokens in the message.

    Returns void

info

  • info(messageOrOptions, ...args): void

  • Logs a message at level INFO.

    Parameters

    • messageOrOptions: string | LogOptions

      The message to log or the options.

    • Rest...args: unknown[]

      Arguments used for replacement tokens in the message.

    Returns void

log

  • log(level, messageOrOptions, ...args): void

  • Logs a message at the given level.

    Parameters

    • level: LogLevel

      The log level.

    • messageOrOptions: string | LogOptions

      The message to log or the options.

    • Rest...args: unknown[]

      Arguments used for replacement tokens in the message.

    Returns void

trace

  • trace(messageOrOptions, ...args): void

  • Logs a message at level TRACE.

    Parameters

    • messageOrOptions: string | LogOptions

      The message to log or the options.

    • Rest...args: unknown[]

      Arguments used for replacement tokens in the message.

    Returns void

warn

  • warn(messageOrOptions, ...args): void

  • Logs a message at level WARN.

    Parameters

    • messageOrOptions: string | LogOptions

      The message to log or the options.

    • Rest...args: unknown[]

      Arguments used for replacement tokens in the message.

    Returns void

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