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• Browser support is beeing deprecated, development will be discontinued and will be removed from Loggin'JS in version 2.0.0. It's beeing deprecated because it's limiting me on the features I could be adding to the NodeJS version.

• Getting Started
• Examples
• Plugins
• Contributing

Usefull links:

• Migrating to v1.x
• Custom Loggers

$ npm i loggin-js
# or
$ yarn add loggin-js

const loggin = require('loggin-js');
// Or
import * as loggin from 'loggin-js';

!! NOTICE !!

Loggin'JS can be used in the browser, but it's still in it's early stages, and the API may change or have errors.

It is also limited. For now, only the console notifier works. Color is not working either!

<!-- Import from node_modules -->
<script src="node_modules/loggin-js/dist/loggin.js"></script>

<script>
  LogginJS.logger();
</script>

You can also use a CDN:

<script src="https://cdn.jsdelivr.net/npm/loggin-js@latest/dist/loggin.js"></script>

The default logger is the simplest way to use Loggin'JS.

loggin.debug(
  'Check this log out!!',
  { foo: 'var' },
  { channel: 'my-logger' }
);

Additionaly you can create a custom logger:

const logger = loggin.logger({
  level: loggin.severity('info'), // Will output only info level and below
  channel: 'demo-1',
  formatter: 'long',
});

logger.user('Jhon');
logger.color(true);

logger.debug('Debug message, will not output');
logger.info('Info message, will output');

// You can override options when executing .log or any default methods (ie: debug, info, etc...)
logger.error('There was an <%rERROR>', null, { user: 'Bob' });

You can also log to a file:

const logger = loggin.logger('file');
logger.channel('my-logger');

logger.getNotifier('file').pipe(loggin.pipe('DEBUG', './debug.log'));

loggin.debug('Check this log out!!', { foo: 'var' });

Or output log in JSON format:

const logger = loggin.logger({
  formatter: 'json',
});

logger.error('this is an error');

There are a couple of default Notifiers available:

• NodeJS: file, console, http, memory
• Browser: console, http

Chek out the wiki for a more detailed guide.

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Here are some usage examples:

• Basic Example
• File Notifier
• Multiple Notifiers
• Http Notifier
• You can also check the examples for more examples.

If you want to add an example or find some error, leave an issue or send in a PR.

• MongoDB
• Express
• WebSocket

Coming:

• Telegram
• Mail - maybe?
• Sentry, and similar
• ...

First off, thank you for considering contributing to Loggin'JS.

Please read CONTRIBUTING.md for details on our code of conduct, and the process for submitting pull requests. There is also a public slack channel available.

Initial work by nombrekeff

Thanks goes to these wonderful people (emoji key):

Manolo Edge 💻 🤔 🚧 ⚠️

Floki 📖

This project follows the all-contributors specification. Contributions of any kind welcome!

This project is licensed under the MIT License - see the LICENSE.md file for details.