Constructor
new Logger(namenullable)
Initializes a new logger with the given name.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
name |
string |
<nullable> |
The name of the logger. |
Members
(nullable) level :Level
The level of the logger.
If the level is not set, it will use the level of the parent logger.
Type:
- Level
(nullable) name :string
The name of the logger.
Type:
- string
parent :Logger
The parent logger.
The root logger has not a parent.
Type:
- Logger
Methods
addHandler(handler)
Adds a log handler to receive logging messages.
Parameters:
| Name | Type | Description |
|---|---|---|
handler |
Handler | The handler to add. |
debug(…message)
Logs a message with the DEBUG level.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
message |
* |
<repeatable> |
The message to log. |
error(…message)
Logs a message with the ERROR level.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
message |
* |
<repeatable> |
The message to log. |
getHandlers() → {Array.<Handler>}
Returns the handlers of the logger.
Returns:
The handlers of the logger.
- Type
- Array.<Handler>
info(…message)
Logs a message with the INFO level.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
message |
* |
<repeatable> |
The message to log. |
isLoggable(level) → {boolean}
Checks if a message of the given level would actually be logged by this logger.
Parameters:
| Name | Type | Description |
|---|---|---|
level |
Level | The level to check. |
Returns:
true if the message would be logged.
- Type
- boolean
log(level, …message)
Logs a message.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
level |
Level | The level of the message. |
|
message |
* |
<repeatable> |
The message to log. |
removeHandler(handler)
Removes a log handler.
Parameters:
| Name | Type | Description |
|---|---|---|
handler |
Handler | The handler to remove. |
trace(…message)
Logs a message with the TRACE level.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
message |
* |
<repeatable> |
The message to log. |
trackMessagesLogged() → {OutputTracker}
Returns an output tracker for messages logged by this logger.
Returns:
The output tracker.
- Type
- OutputTracker
warning(…message)
Logs a message with the WARNING level.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
message |
* |
<repeatable> |
The message to log. |
(static) getAnonymousLogger(options) → {Logger}
Creates a new logger without any handlers.
Parameters:
| Name | Type | Description | ||||||
|---|---|---|---|---|---|---|---|---|
options |
Object | The options for the logger. Properties
|
Returns:
The logger.
- Type
- Logger
(static) getLogger(name) → {Logger}
Finds or creates a logger with the given name.
Parameters:
| Name | Type | Description |
|---|---|---|
name |
string | The name of the logger. |
Returns:
The logger.
- Type
- Logger