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Logging appenders for the dart logging package for print, file and remote (logz, loki).

logging_appenders #

Pub codecov

Native dart package for logging appenders usable with the logging package.

Color Output Screenshot

It currently includes appenders for:

Performance of Remote Logging Appenders #

I am not sure if it is wise to use this in production, but it's great during beta testing with a handful of users so you have all logs available.

It tries to stay reasonable performant by batching log entries and sending them off only every few seconds. If network is down it will retry later. (with an ever increasing interval).

Getting Started #

After installing package logging and logging_appenders:

import 'package:logging/logging.dart';
import 'package:logging_appenders/logging_appenders.dart';

final _logger = Logger('main');

void main() {
  PrintAppender.setupLogging();

  // The above code is the same as:
  // Logger.root.level = Level.ALL;
  // PrintAppender()..attachToLogger(Logger.root);

  _logger.fine('Lorem ipsum');
}

Outputs:

$ dart main.dart
2019-08-19 15:36:03.827563 FINE main - Lorem ipsum

Color Formatter #

    PrintAppender(formatter: const ColorFormatter())
        ..attachToLogger(Logger.root);

Produces:

Color Output Screenshot

Remote Appenders #

Appender for logz.io #

  final _logzIoApiSender = LogzIoApiAppender(
    // you can find your API key and the required URL from 
    // the logz.io dashboard: https://app-eu.logz.io/#/dashboard/settings/general
    apiToken: 'MY API KEY',
    url: 'https://listener-eu.logz.io:8071/',
    labels: {'app': 'MyApp', 'os': Platform.operatingSystem},
  );
  _logzIoApiSender.attachToLogger(Logger.root);
  
  
  // ...
  If you know that you no longer need the appender. it's good to dispose it:
  _logzIoApiSender.dispose();
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Publisher

verified publishercodeux.design

Logging appenders for the dart logging package for print, file and remote (logz, loki).

Homepage
Repository (GitHub)
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License

unknown (LICENSE)

Dependencies

clock, dio, intl, io, logging, meta, rxdart

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