LoggerJSON.Formatter behaviour (logger_json v4.3.0) View Source

Behaviour that should be implemented by log formatters.

Example implementations can be found in LoggerJSON.Formatters.GoogleCloudLogger and LoggerJSON.Formatters.BasicLogger.

Link to this section Summary

Callbacks

format_event(level, msg, ts, md, state)

Format event callback.

Link to this section Callbacks

format_event(level, msg, ts, md, state)

Specs

format_event(
  level :: Logger.level(),
  msg :: Logger.message(),
  ts :: Logger.Formatter.time(),
  md :: [atom()] | :all,
  state :: map()
) :: map() | iodata() | %Jason.Fragment{encode: term()}

Format event callback.

Returned map will be encoded to JSON.