Interface Logger

[[Logger]] defines how to write logs for different logging level.

interface Logger {
    debug(debugFunction: string | () => string): void;
    error(msg: string): void;
    getLogLevel(): LogLevel;
    info(msg: string): void;
    setLogLevel(level: LogLevel): void;
    warn(msg: string): void;
}

Implemented by

Methods

debug error getLogLevel info setLogLevel warn

Methods

debug

  • debug(debugFunction: string | () => string): void

    Calls [[debugFunction]] only if the log level is debug and emits the resulting string. Use the debug level to dump large or verbose messages that could slow down performance.

    Parameters

    • debugFunction: string | () => string

    Returns void

error

  • error(msg: string): void

    Emits an error message if the log level is equal to or lower than error level.

    Parameters

    • msg: string

    Returns void

getLogLevel

info

  • info(msg: string): void

    Emits an info message if the log level is equal to or lower than info level.

    Parameters

    • msg: string

    Returns void

setLogLevel

warn

  • warn(msg: string): void

    Emits a warning message if the log level is equal to or lower than warn level.

    Parameters

    • msg: string

    Returns void

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