@wdio/logger
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Package description
The @wdio/logger package is a utility used within the WebdriverIO testing framework to facilitate logging. It allows developers to create namespaced loggers that can be used to output messages to the console or to files, depending on the configuration. It is designed to work seamlessly with the WebdriverIO ecosystem but can also be used independently for logging purposes in Node.js applications.
Creating a Logger Instance
This feature allows you to create a new logger instance with a specific namespace. You can then use this instance to log messages at different levels, such as info, warn, error, etc.
const logger = require('@wdio/logger').default('my-logger');
logger.info('This is an info message.');Setting Log Levels
This feature allows you to set the log level for a specific logger instance. Messages below the set level will not be logged.
const logger = require('@wdio/logger').default('my-logger');
logger.setLevel('info');
logger.info('This will be logged.');
logger.debug('This will not be logged.');Logging Messages
This feature is used to log messages at different severity levels. The available methods are info, warn, error, and others, each corresponding to a level of importance.
const logger = require('@wdio/logger').default('my-logger');
logger.info('Informational message');
logger.warn('Warning message');
logger.error('Error message');Winston is a multi-transport async logging library for Node.js. It is one of the most popular logging libraries and offers more flexibility and configuration options compared to @wdio/logger. It supports multiple storage options for logs, such as files, databases, and remote services.
Pino is a very low overhead Node.js logger, which focuses on performance. It provides a different set of trade-offs compared to @wdio/logger, emphasizing speed and efficiency over configurability and integration with specific frameworks like WebdriverIO.
Bunyan is a simple and fast JSON logging library for Node.js services. It has similar functionalities to @wdio/logger but also includes features like log rotation and streams, which can be more suitable for complex logging needs.
Changelog
v8.0.0 (2022-12-01)
webdriver, devtools and webdriverio NPM packages in a CJS environment@wdio/sync which we deprecated in v7@wdio/globals/types instead of webdriverio/asyncbrowser.config
browser.options insteadwdio.conf.js which we disadvise you to do, instead either assign it as part of a custom capability, e.g. custom:options (note the : in it, read more on custom capabilities in the WebDriver spec) or via `@wdio/shared-store-servicetsconfig-paths@wdio/browser-runner allows you to run unit and component tests in the browser@wdio/globals packagev18.12.1create-wdio
Readme
A helper utility for logging of WebdriverIO packages
This package is used across all WebdriverIO packages to log information using the loglevel package. It can also be used for any other arbitrary Node.js project.
To install the package just call
npm install @wdio/logger
or when adding it to a WebdriverIO subpackage:
lerna add @wdio/logger --scope <subpackage>
The package exposes a logger function that you can use to register an instance for your scoped package:
import logger from '@wdio/logger'
const log = logger('myPackage')
log.info('some logs')
For more info see loglevel package on NPM.
FAQs
A helper utility for logging of WebdriverIO packages
We found that @wdio/logger demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 3 open source maintainers collaborating on the project.
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