Constructor

# new Logger(optionsopt)

Constructor for the Logger class.

Parameters:

Name	Type	Attributes	Default	Description
`options`	`Object`	<optional>	{}	Customize which levels to show (true/false for each). Defaults: { debug: true, info: true, warn: true, error: true } Example: { debug: false, info: false } to hide debug and info.
`debug`	`boolean`	<optional>	true	Enable debug logs.
`info`	`boolean`	<optional>	true	Enable info logs.
`warn`	`boolean`	<optional>	true	Enable warn logs.
`error`	`boolean`	<optional>	true	Enable error logs.

Since:

11.2025, aab

View Source tools/logger.js, line 46

Examples

// Customizing levels (e.g., hide debug and info for production-like behavior)
const logger = new Logger({ debug: false, info: false });
logger.debug('This won\'t show');
logger.info('This won\'t show');
logger.warn('This will show');
logger.error('This will show');

// Environment-based instantiation
const isDev = process.env.NODE_ENV !== 'production';
const logger = new Logger({
  debug: isDev,
  info: isDev,
  warn: true,
  error: true
});

// Dynamic level changes
const logger = new Logger();
logger.setLevels({ warn: false });
logger.warn('This won\'t show now');

Classes

Logger

Members

Type: Object

# levels

View Source tools/logger.js, line 59

Methods

# debug(…args)

Logs debug information (if enabled).

Parameters:

Name	Type	Attributes	Description
`args`	`any`	<repeatable>	Arguments to log.

View Source tools/logger.js, line 71

# error(…args)

Logs errors (if enabled, with error in console).

Parameters:

Name	Type	Attributes	Description
`args`	`any`	<repeatable>	Arguments to log.

View Source tools/logger.js, line 101

# info(…args)

Logs general information (if enabled).

Parameters:

Name	Type	Attributes	Description
`args`	`any`	<repeatable>	Arguments to log.

View Source tools/logger.js, line 81

# setLevels(newOptions)

Update levels dynamically.

Parameters:

Name	Type	Attributes	Description
`newOptions`	`Object`		Same as constructor options.
`debug`	`boolean`	<optional>	Update debug level.
`info`	`boolean`	<optional>	Update info level.
`warn`	`boolean`	<optional>	Update warn level.
`error`	`boolean`	<optional>	Update error level.

View Source tools/logger.js, line 115

# warn(…args)

Logs warnings (if enabled, with warn in console).

Parameters:

Name	Type	Attributes	Description
`args`	`any`	<repeatable>	Arguments to log.

View Source tools/logger.js, line 91