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This commit is contained in:
661
node_modules/selenium-webdriver/lib/logging.js
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661
node_modules/selenium-webdriver/lib/logging.js
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|
||||
// Licensed to the Software Freedom Conservancy (SFC) under one
|
||||
// or more contributor license agreements. See the NOTICE file
|
||||
// distributed with this work for additional information
|
||||
// regarding copyright ownership. The SFC licenses this file
|
||||
// to you under the Apache License, Version 2.0 (the
|
||||
// "License"); you may not use this file except in compliance
|
||||
// with the License. You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing,
|
||||
// software distributed under the License is distributed on an
|
||||
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
||||
// KIND, either express or implied. See the License for the
|
||||
// specific language governing permissions and limitations
|
||||
// under the License.
|
||||
|
||||
'use strict'
|
||||
|
||||
/**
|
||||
* @fileoverview Defines WebDriver's logging system. The logging system is
|
||||
* broken into major components: local and remote logging.
|
||||
*
|
||||
* The local logging API, which is anchored by the {@linkplain Logger} class is
|
||||
* similar to Java's logging API. Loggers, retrieved by
|
||||
* {@linkplain #getLogger getLogger(name)}, use hierarchical, dot-delimited
|
||||
* namespaces (e.g. "" > "webdriver" > "webdriver.logging"). Recorded log
|
||||
* messages are represented by the {@linkplain Entry} class. You can capture log
|
||||
* records by {@linkplain Logger#addHandler attaching} a handler function to the
|
||||
* desired logger. For convenience, you can quickly enable logging to the
|
||||
* console by simply calling {@linkplain #installConsoleHandler
|
||||
* installConsoleHandler}.
|
||||
*
|
||||
* The [remote logging API](https://github.com/SeleniumHQ/selenium/wiki/Logging)
|
||||
* allows you to retrieve logs from a remote WebDriver server. This API uses the
|
||||
* {@link Preferences} class to define desired log levels prior to creating
|
||||
* a WebDriver session:
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||||
*
|
||||
* var prefs = new logging.Preferences();
|
||||
* prefs.setLevel(logging.Type.BROWSER, logging.Level.DEBUG);
|
||||
*
|
||||
* var caps = Capabilities.chrome();
|
||||
* caps.setLoggingPrefs(prefs);
|
||||
* // ...
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*
|
||||
* Remote log entries, also represented by the {@link Entry} class, may be
|
||||
* retrieved via {@link webdriver.WebDriver.Logs}:
|
||||
*
|
||||
* driver.manage().logs().get(logging.Type.BROWSER)
|
||||
* .then(function(entries) {
|
||||
* entries.forEach(function(entry) {
|
||||
* console.log('[%s] %s', entry.level.name, entry.message);
|
||||
* });
|
||||
* });
|
||||
*
|
||||
* **NOTE:** Only a few browsers support the remote logging API (notably
|
||||
* Firefox and Chrome). Firefox supports basic logging functionality, while
|
||||
* Chrome exposes robust
|
||||
* [performance logging](https://chromedriver.chromium.org/logging)
|
||||
* options. Remote logging is still considered a non-standard feature, and the
|
||||
* APIs exposed by this module for it are non-frozen. This module will be
|
||||
* updated, possibly breaking backwards-compatibility, once logging is
|
||||
* officially defined by the
|
||||
* [W3C WebDriver spec](http://www.w3.org/TR/webdriver/).
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||||
*/
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||||
|
||||
/**
|
||||
* Defines a message level that may be used to control logging output.
|
||||
*
|
||||
* @final
|
||||
*/
|
||||
class Level {
|
||||
/**
|
||||
* @param {string} name the level's name.
|
||||
* @param {number} level the level's numeric value.
|
||||
*/
|
||||
constructor(name, level) {
|
||||
if (level < 0) {
|
||||
throw new TypeError('Level must be >= 0')
|
||||
}
|
||||
|
||||
/** @private {string} */
|
||||
this.name_ = name
|
||||
|
||||
/** @private {number} */
|
||||
this.value_ = level
|
||||
}
|
||||
|
||||
/** This logger's name. */
|
||||
get name() {
|
||||
return this.name_
|
||||
}
|
||||
|
||||
/** The numeric log level. */
|
||||
get value() {
|
||||
return this.value_
|
||||
}
|
||||
|
||||
/** @override */
|
||||
toString() {
|
||||
return this.name
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Indicates no log messages should be recorded.
|
||||
* @const
|
||||
*/
|
||||
Level.OFF = new Level('OFF', Infinity)
|
||||
|
||||
/**
|
||||
* Log messages with a level of `1000` or higher.
|
||||
* @const
|
||||
*/
|
||||
Level.SEVERE = new Level('SEVERE', 1000)
|
||||
|
||||
/**
|
||||
* Log messages with a level of `900` or higher.
|
||||
* @const
|
||||
*/
|
||||
Level.WARNING = new Level('WARNING', 900)
|
||||
|
||||
/**
|
||||
* Log messages with a level of `800` or higher.
|
||||
* @const
|
||||
*/
|
||||
Level.INFO = new Level('INFO', 800)
|
||||
|
||||
/**
|
||||
* Log messages with a level of `700` or higher.
|
||||
* @const
|
||||
*/
|
||||
Level.DEBUG = new Level('DEBUG', 700)
|
||||
|
||||
/**
|
||||
* Log messages with a level of `500` or higher.
|
||||
* @const
|
||||
*/
|
||||
Level.FINE = new Level('FINE', 500)
|
||||
|
||||
/**
|
||||
* Log messages with a level of `400` or higher.
|
||||
* @const
|
||||
*/
|
||||
Level.FINER = new Level('FINER', 400)
|
||||
|
||||
/**
|
||||
* Log messages with a level of `300` or higher.
|
||||
* @const
|
||||
*/
|
||||
Level.FINEST = new Level('FINEST', 300)
|
||||
|
||||
/**
|
||||
* Indicates all log messages should be recorded.
|
||||
* @const
|
||||
*/
|
||||
Level.ALL = new Level('ALL', 0)
|
||||
|
||||
const ALL_LEVELS = /** !Set<Level> */ new Set([
|
||||
Level.OFF,
|
||||
Level.SEVERE,
|
||||
Level.WARNING,
|
||||
Level.INFO,
|
||||
Level.DEBUG,
|
||||
Level.FINE,
|
||||
Level.FINER,
|
||||
Level.FINEST,
|
||||
Level.ALL,
|
||||
])
|
||||
|
||||
const LEVELS_BY_NAME = /** !Map<string, !Level> */ new Map([
|
||||
[Level.OFF.name, Level.OFF],
|
||||
[Level.SEVERE.name, Level.SEVERE],
|
||||
[Level.WARNING.name, Level.WARNING],
|
||||
[Level.INFO.name, Level.INFO],
|
||||
[Level.DEBUG.name, Level.DEBUG],
|
||||
[Level.FINE.name, Level.FINE],
|
||||
[Level.FINER.name, Level.FINER],
|
||||
[Level.FINEST.name, Level.FINEST],
|
||||
[Level.ALL.name, Level.ALL],
|
||||
])
|
||||
|
||||
/**
|
||||
* Converts a level name or value to a {@link Level} value. If the name/value
|
||||
* is not recognized, {@link Level.ALL} will be returned.
|
||||
*
|
||||
* @param {(number|string)} nameOrValue The log level name, or value, to
|
||||
* convert.
|
||||
* @return {!Level} The converted level.
|
||||
*/
|
||||
function getLevel(nameOrValue) {
|
||||
if (typeof nameOrValue === 'string') {
|
||||
return LEVELS_BY_NAME.get(nameOrValue) || Level.ALL
|
||||
}
|
||||
if (typeof nameOrValue !== 'number') {
|
||||
throw new TypeError('not a string or number')
|
||||
}
|
||||
for (let level of ALL_LEVELS) {
|
||||
if (nameOrValue >= level.value) {
|
||||
return level
|
||||
}
|
||||
}
|
||||
return Level.ALL
|
||||
}
|
||||
|
||||
/**
|
||||
* Describes a single log entry.
|
||||
*
|
||||
* @final
|
||||
*/
|
||||
class Entry {
|
||||
/**
|
||||
* @param {(!Level|string|number)} level The entry level.
|
||||
* @param {string} message The log message.
|
||||
* @param {number=} opt_timestamp The time this entry was generated, in
|
||||
* milliseconds since 0:00:00, January 1, 1970 UTC. If omitted, the
|
||||
* current time will be used.
|
||||
* @param {string=} opt_type The log type, if known.
|
||||
*/
|
||||
constructor(level, message, opt_timestamp, opt_type) {
|
||||
this.level = level instanceof Level ? level : getLevel(level)
|
||||
this.message = message
|
||||
this.timestamp =
|
||||
typeof opt_timestamp === 'number' ? opt_timestamp : Date.now()
|
||||
this.type = opt_type || ''
|
||||
}
|
||||
|
||||
/**
|
||||
* @return {{level: string, message: string, timestamp: number,
|
||||
* type: string}} The JSON representation of this entry.
|
||||
*/
|
||||
toJSON() {
|
||||
return {
|
||||
level: this.level.name,
|
||||
message: this.message,
|
||||
timestamp: this.timestamp,
|
||||
type: this.type,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* An object used to log debugging messages. Loggers use a hierarchical,
|
||||
* dot-separated naming scheme. For instance, "foo" is considered the parent of
|
||||
* the "foo.bar" and an ancestor of "foo.bar.baz".
|
||||
*
|
||||
* Each logger may be assigned a {@linkplain #setLevel log level}, which
|
||||
* controls which level of messages will be reported to the
|
||||
* {@linkplain #addHandler handlers} attached to this instance. If a log level
|
||||
* is not explicitly set on a logger, it will inherit its parent.
|
||||
*
|
||||
* This class should never be directly instantiated. Instead, users should
|
||||
* obtain logger references using the {@linkplain ./logging.getLogger()
|
||||
* getLogger()} function.
|
||||
*
|
||||
* @final
|
||||
*/
|
||||
class Logger {
|
||||
/**
|
||||
* @param {string} name the name of this logger.
|
||||
* @param {Level=} opt_level the initial level for this logger.
|
||||
*/
|
||||
constructor(name, opt_level) {
|
||||
/** @private {string} */
|
||||
this.name_ = name
|
||||
|
||||
/** @private {Level} */
|
||||
this.level_ = opt_level || null
|
||||
|
||||
/** @private {Logger} */
|
||||
this.parent_ = null
|
||||
|
||||
/** @private {Set<function(!Entry)>} */
|
||||
this.handlers_ = null
|
||||
}
|
||||
|
||||
/** @return {string} the name of this logger. */
|
||||
getName() {
|
||||
return this.name_
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {Level} level the new level for this logger, or `null` if the logger
|
||||
* should inherit its level from its parent logger.
|
||||
*/
|
||||
setLevel(level) {
|
||||
this.level_ = level
|
||||
}
|
||||
|
||||
/** @return {Level} the log level for this logger. */
|
||||
getLevel() {
|
||||
return this.level_
|
||||
}
|
||||
|
||||
/**
|
||||
* @return {!Level} the effective level for this logger.
|
||||
*/
|
||||
getEffectiveLevel() {
|
||||
let logger = this
|
||||
let level
|
||||
do {
|
||||
level = logger.level_
|
||||
logger = logger.parent_
|
||||
} while (logger && !level)
|
||||
return level || Level.OFF
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {!Level} level the level to check.
|
||||
* @return {boolean} whether messages recorded at the given level are loggable
|
||||
* by this instance.
|
||||
*/
|
||||
isLoggable(level) {
|
||||
return (
|
||||
level.value !== Level.OFF.value &&
|
||||
level.value >= this.getEffectiveLevel().value
|
||||
)
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds a handler to this logger. The handler will be invoked for each message
|
||||
* logged with this instance, or any of its descendants.
|
||||
*
|
||||
* @param {function(!Entry)} handler the handler to add.
|
||||
*/
|
||||
addHandler(handler) {
|
||||
if (!this.handlers_) {
|
||||
this.handlers_ = new Set()
|
||||
}
|
||||
this.handlers_.add(handler)
|
||||
}
|
||||
|
||||
/**
|
||||
* Removes a handler from this logger.
|
||||
*
|
||||
* @param {function(!Entry)} handler the handler to remove.
|
||||
* @return {boolean} whether a handler was successfully removed.
|
||||
*/
|
||||
removeHandler(handler) {
|
||||
if (!this.handlers_) {
|
||||
return false
|
||||
}
|
||||
return this.handlers_.delete(handler)
|
||||
}
|
||||
|
||||
/**
|
||||
* Logs a message at the given level. The message may be defined as a string
|
||||
* or as a function that will return the message. If a function is provided,
|
||||
* it will only be invoked if this logger's
|
||||
* {@linkplain #getEffectiveLevel() effective log level} includes the given
|
||||
* `level`.
|
||||
*
|
||||
* @param {!Level} level the level at which to log the message.
|
||||
* @param {(string|function(): string)} loggable the message to log, or a
|
||||
* function that will return the message.
|
||||
*/
|
||||
log(level, loggable) {
|
||||
if (!this.isLoggable(level)) {
|
||||
return
|
||||
}
|
||||
let message =
|
||||
'[' +
|
||||
this.name_ +
|
||||
'] ' +
|
||||
(typeof loggable === 'function' ? loggable() : loggable)
|
||||
let entry = new Entry(level, message, Date.now())
|
||||
for (let logger = this; logger; logger = logger.parent_) {
|
||||
if (logger.handlers_) {
|
||||
for (let handler of logger.handlers_) {
|
||||
handler(entry)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Logs a message at the {@link Level.SEVERE} log level.
|
||||
* @param {(string|function(): string)} loggable the message to log, or a
|
||||
* function that will return the message.
|
||||
*/
|
||||
severe(loggable) {
|
||||
this.log(Level.SEVERE, loggable)
|
||||
}
|
||||
|
||||
/**
|
||||
* Logs a message at the {@link Level.WARNING} log level.
|
||||
* @param {(string|function(): string)} loggable the message to log, or a
|
||||
* function that will return the message.
|
||||
*/
|
||||
warning(loggable) {
|
||||
this.log(Level.WARNING, loggable)
|
||||
}
|
||||
|
||||
/**
|
||||
* Logs a message at the {@link Level.INFO} log level.
|
||||
* @param {(string|function(): string)} loggable the message to log, or a
|
||||
* function that will return the message.
|
||||
*/
|
||||
info(loggable) {
|
||||
this.log(Level.INFO, loggable)
|
||||
}
|
||||
|
||||
/**
|
||||
* Logs a message at the {@link Level.DEBUG} log level.
|
||||
* @param {(string|function(): string)} loggable the message to log, or a
|
||||
* function that will return the message.
|
||||
*/
|
||||
debug(loggable) {
|
||||
this.log(Level.DEBUG, loggable)
|
||||
}
|
||||
|
||||
/**
|
||||
* Logs a message at the {@link Level.FINE} log level.
|
||||
* @param {(string|function(): string)} loggable the message to log, or a
|
||||
* function that will return the message.
|
||||
*/
|
||||
fine(loggable) {
|
||||
this.log(Level.FINE, loggable)
|
||||
}
|
||||
|
||||
/**
|
||||
* Logs a message at the {@link Level.FINER} log level.
|
||||
* @param {(string|function(): string)} loggable the message to log, or a
|
||||
* function that will return the message.
|
||||
*/
|
||||
finer(loggable) {
|
||||
this.log(Level.FINER, loggable)
|
||||
}
|
||||
|
||||
/**
|
||||
* Logs a message at the {@link Level.FINEST} log level.
|
||||
* @param {(string|function(): string)} loggable the message to log, or a
|
||||
* function that will return the message.
|
||||
*/
|
||||
finest(loggable) {
|
||||
this.log(Level.FINEST, loggable)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Maintains a collection of loggers.
|
||||
*
|
||||
* @final
|
||||
*/
|
||||
class LogManager {
|
||||
constructor() {
|
||||
/** @private {!Map<string, !Logger>} */
|
||||
this.loggers_ = new Map()
|
||||
this.root_ = new Logger('', Level.OFF)
|
||||
}
|
||||
|
||||
/**
|
||||
* Retrieves a named logger, creating it in the process. This function will
|
||||
* implicitly create the requested logger, and any of its parents, if they
|
||||
* do not yet exist.
|
||||
*
|
||||
* @param {string} name the logger's name.
|
||||
* @return {!Logger} the requested logger.
|
||||
*/
|
||||
getLogger(name) {
|
||||
if (!name) {
|
||||
return this.root_
|
||||
}
|
||||
let parent = this.root_
|
||||
for (let i = name.indexOf('.'); i != -1; i = name.indexOf('.', i + 1)) {
|
||||
let parentName = name.substr(0, i)
|
||||
parent = this.createLogger_(parentName, parent)
|
||||
}
|
||||
return this.createLogger_(name, parent)
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a new logger.
|
||||
*
|
||||
* @param {string} name the logger's name.
|
||||
* @param {!Logger} parent the logger's parent.
|
||||
* @return {!Logger} the new logger.
|
||||
* @private
|
||||
*/
|
||||
createLogger_(name, parent) {
|
||||
if (this.loggers_.has(name)) {
|
||||
return /** @type {!Logger} */ (this.loggers_.get(name))
|
||||
}
|
||||
let logger = new Logger(name, null)
|
||||
logger.parent_ = parent
|
||||
this.loggers_.set(name, logger)
|
||||
return logger
|
||||
}
|
||||
}
|
||||
|
||||
const logManager = new LogManager()
|
||||
|
||||
/**
|
||||
* Retrieves a named logger, creating it in the process. This function will
|
||||
* implicitly create the requested logger, and any of its parents, if they
|
||||
* do not yet exist.
|
||||
*
|
||||
* The log level will be unspecified for newly created loggers. Use
|
||||
* {@link Logger#setLevel(level)} to explicitly set a level.
|
||||
*
|
||||
* @param {string} name the logger's name.
|
||||
* @return {!Logger} the requested logger.
|
||||
*/
|
||||
function getLogger(name) {
|
||||
return logManager.getLogger(name)
|
||||
}
|
||||
|
||||
/**
|
||||
* Pads a number to ensure it has a minimum of two digits.
|
||||
*
|
||||
* @param {number} n the number to be padded.
|
||||
* @return {string} the padded number.
|
||||
*/
|
||||
function pad(n) {
|
||||
if (n >= 10) {
|
||||
return '' + n
|
||||
} else {
|
||||
return '0' + n
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Logs all messages to the Console API.
|
||||
* @param {!Entry} entry the entry to log.
|
||||
*/
|
||||
function consoleHandler(entry) {
|
||||
if (typeof console === 'undefined' || !console) {
|
||||
return
|
||||
}
|
||||
|
||||
var timestamp = new Date(entry.timestamp)
|
||||
var msg =
|
||||
'[' +
|
||||
timestamp.getUTCFullYear() +
|
||||
'-' +
|
||||
pad(timestamp.getUTCMonth() + 1) +
|
||||
'-' +
|
||||
pad(timestamp.getUTCDate()) +
|
||||
'T' +
|
||||
pad(timestamp.getUTCHours()) +
|
||||
':' +
|
||||
pad(timestamp.getUTCMinutes()) +
|
||||
':' +
|
||||
pad(timestamp.getUTCSeconds()) +
|
||||
'Z] ' +
|
||||
'[' +
|
||||
entry.level.name +
|
||||
'] ' +
|
||||
entry.message
|
||||
|
||||
var level = entry.level.value
|
||||
if (level >= Level.SEVERE.value) {
|
||||
console.error(msg)
|
||||
} else if (level >= Level.WARNING.value) {
|
||||
console.warn(msg)
|
||||
} else {
|
||||
console.log(msg)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds the console handler to the given logger. The console handler will log
|
||||
* all messages using the JavaScript Console API.
|
||||
*
|
||||
* @param {Logger=} opt_logger The logger to add the handler to; defaults
|
||||
* to the root logger.
|
||||
*/
|
||||
function addConsoleHandler(opt_logger) {
|
||||
let logger = opt_logger || logManager.root_
|
||||
logger.addHandler(consoleHandler)
|
||||
}
|
||||
|
||||
/**
|
||||
* Removes the console log handler from the given logger.
|
||||
*
|
||||
* @param {Logger=} opt_logger The logger to remove the handler from; defaults
|
||||
* to the root logger.
|
||||
* @see exports.addConsoleHandler
|
||||
*/
|
||||
function removeConsoleHandler(opt_logger) {
|
||||
let logger = opt_logger || logManager.root_
|
||||
logger.removeHandler(consoleHandler)
|
||||
}
|
||||
|
||||
/**
|
||||
* Installs the console log handler on the root logger.
|
||||
*/
|
||||
function installConsoleHandler() {
|
||||
addConsoleHandler(logManager.root_)
|
||||
}
|
||||
|
||||
/**
|
||||
* Common log types.
|
||||
* @enum {string}
|
||||
*/
|
||||
const Type = {
|
||||
/** Logs originating from the browser. */
|
||||
BROWSER: 'browser',
|
||||
/** Logs from a WebDriver client. */
|
||||
CLIENT: 'client',
|
||||
/** Logs from a WebDriver implementation. */
|
||||
DRIVER: 'driver',
|
||||
/** Logs related to performance. */
|
||||
PERFORMANCE: 'performance',
|
||||
/** Logs from the remote server. */
|
||||
SERVER: 'server',
|
||||
}
|
||||
|
||||
/**
|
||||
* Describes the log preferences for a WebDriver session.
|
||||
*
|
||||
* @final
|
||||
*/
|
||||
class Preferences {
|
||||
constructor() {
|
||||
/** @private {!Map<string, !Level>} */
|
||||
this.prefs_ = new Map()
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the desired logging level for a particular log type.
|
||||
* @param {(string|Type)} type The log type.
|
||||
* @param {(!Level|string|number)} level The desired log level.
|
||||
* @throws {TypeError} if `type` is not a `string`.
|
||||
*/
|
||||
setLevel(type, level) {
|
||||
if (typeof type !== 'string') {
|
||||
throw TypeError('specified log type is not a string: ' + typeof type)
|
||||
}
|
||||
this.prefs_.set(type, level instanceof Level ? level : getLevel(level))
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts this instance to its JSON representation.
|
||||
* @return {!Object<string, string>} The JSON representation of this set of
|
||||
* preferences.
|
||||
*/
|
||||
toJSON() {
|
||||
let json = {}
|
||||
for (let key of this.prefs_.keys()) {
|
||||
json[key] = this.prefs_.get(key).name
|
||||
}
|
||||
return json
|
||||
}
|
||||
}
|
||||
|
||||
// PUBLIC API
|
||||
|
||||
module.exports = {
|
||||
Entry: Entry,
|
||||
Level: Level,
|
||||
LogManager: LogManager,
|
||||
Logger: Logger,
|
||||
Preferences: Preferences,
|
||||
Type: Type,
|
||||
addConsoleHandler: addConsoleHandler,
|
||||
getLevel: getLevel,
|
||||
getLogger: getLogger,
|
||||
installConsoleHandler: installConsoleHandler,
|
||||
removeConsoleHandler: removeConsoleHandler,
|
||||
}
|
||||
Reference in New Issue
Block a user