Loggee

Tiny JavaScript logger with namespaces. Work in both Node.js and browser.

Installation

npm install loggee --save

Usage

Require and set namespace in one line:

const logger = require('loggee').create('My module');
 
logger.log('Hello world!'); // => [My module] Hello World!
logger.info('Hello world!'); // => [My module] Hello World!
logger.warn('Hello world!'); // => [My module] Hello World!
logger.error('Hello world!'); // => [My module] Hello World!
logger.debug('Hello world!'); // => [My module] Hello World!

Mute

You can mute logger globally:

const loggee = require('loggee');
 
loggee.setLogLevel('error'); // show only errors
loggee.setLogLevel('none');  // mute

API

create([prefix])

• prefix {String} prefix to be prepended to all messages of that logger.
• returns: {Logger}

Creates logger with specified prefix.

setLogLevel(level)

• level {String} log level for all loggers. Possible values are: debug|log|warn|error|none.

Sets new log level for all loggers.

setOnErrorHandler(handler)

• handler {Function}

Sets handler to be called on every error.

mute(value)

• value {Boolean}

Mute/unmute all loggers.

logger.debug(...)

Outputs debug message.

logger.log(...)

Outputs log message.

logger.info(...)

Outputs info message.

logger.warn(...)

Outputs warning.

logger.error(...)

Outputs error.

License

MIT @ Vitaliy Potapov