Logger - Documentation

Logger

log. Logger

Logger class. A named logger providing the ability to log formatted messages.

Members

listener

Source:

log.js, line 190

The listener function attached to this logger.

name

Source:

log.js, line 196

The name of this logger

Methods

error()

Source:

log.js, line 119

See:

atLevel

Logs at ERROR level.

warn()

Source:

log.js, line 124

See:

atLevel

Logs at ERROR level.

info()

Source:

log.js, line 129

See:

atLevel

Logs at INFO level.

debug()

Source:

log.js, line 134

See:

atLevel

Logs at DEBUG level.

trace()

Source:

log.js, line 139

See:

atLevel

Logs at TRACE level.

atLevel(level, msg, …objects)

Source:

log.js, line 153

Logs a message at the supplied level. The message may include placeholders {} which will be substituted into the message string only if the message is actually logged.

Example

log.atLevel('INFO', 'The widget was created as {}', widget);

Parameters:

Name	Type	Attributes	Default	Description
`level`	string			The level at which to log, such as 'INFO', or 'DEBUG'
`msg`	string \| Error			the message to log, possibly with object placeholders
`objects`	Array.<object>	<repeatable>	`[`	the objects to substitute into the log message