Npm Logging Libraries
|chalk||13.08 kB||MIT||10 Years||29 Jun 2023|
|debug||12.94 kB||MIT||11 Years||17 Mar 2022|
|winston||48.78 kB||MIT||12 Years||10 Jul 2023|
|strip-ansi||2.12 kB||MIT||9 Years||28 May 2023|
|morgan||9.37 kB||MIT||9 Years||20 Mar 2020|
|ansi-styles||5.66 kB||MIT||10 Years||12 Oct 2022|
|log-symbols||2.2 kB||MIT||9 Years||4 Dec 2021|
|wrap-ansi||4.34 kB||MIT||8 Years||23 Jan 2023|
|pm2||208.62 kB||AGPL-3.0||10 Years||15 Mar 2023|
|ansi-escapes||5.2 kB||MIT||8 Years||24 Apr 2023|
|pino||219.53 kB||MIT||7 Years||8 Sep 2023|
|log-update||3.06 kB||MIT||8 Years||20 Apr 2022|
|log4js||38.2 kB||Apache-2.0||12 Years||8 Mar 2023|
|bunyan||58.89 kB||MIT||11 Years||8 Jan 2021|
|slice-ansi||2.92 kB||MIT||8 Years||24 Mar 2023|
When are Logging Libraries Useful?
Logging libraries offer a way for developers to track events, details or user interactions during the lifecycle of an application.
Benefits of using logging libraries include:
- Debugging: Logging allows developers to trace and understand how the application is behaving and identify any possible issues.
- Audit trails: Record actions for compliance and monitoring. It becomes easy to see who did what in the application, which is really handy when trying to understand user behavior.
- Performance Monitoring: Logs can provide details about the application’s performance, data usage, and hardware statistics.
- Error Handling: By logging errors, developers can quickly find, reproduce, and fix issues.
- Real-time Insights: This is especially useful for complex systems, where software logs can help detect patterns or anomalies in real time.
What Functionalities Do Logging Libraries Have?
Logging libraries come with a host of features to make logs more informative, accessible, and easy to use. The common functionalities include:
- Severity Level: Libraries usually offer different types of logging depending on the severity level - Debug, Info, Warn, Error, and Fatal. This helps in categorizing logs.
- Message String Interpolation: Most libraries will have support for assembling log messages with interpolated context.
- Multi-transport Support: Many libraries allow messages to be sent to different locations (console, log files, external services, etc).
- Formatters: Libraries often include ways to customize the appearance of log entries.
- Filtering: This feature allows developers to filter out unnecessary logs.
All of these features help in managing and organizing logs efficiently.
Gotchas/Pitfalls to Look Out For
Although logging libraries are incredibly useful, there can be potential pitfalls to guard against:
- Sensitive Information: Be careful that logs do not include sensitive user data or system information that could be exploited.
- Over-Logging: Over-logging can create noise, it might become difficult to find relevant information because of extra unnecessary logs.
- Under-Logging: Conversely, logging too little may not provide enough information to identify and rectify a problem.
- Error Ignoring: Failing to monitor or act upon the logs can defeat the whole purpose of logging.
- Performance Issues: Logging has cost in terms of system performance especially if synchronous logging is used or if there are high amounts of log data.