Power Up Your Logging in Node.js | HackerNoon

Logs that are useful for debugging purposes but not generally interesting. Usually toggled on/off with some mechanic such as environment variable when needed. Usually contains more detailed information than info.// Examples const exception=/* Some error from a third-party API */ console.error; const user={ id: 99, name: “Simon”, platform: “Node.js” }; console.info;. It’s easy to add logs but too much logging will make it hard for you to see the interesting stuff.

The answer to this question depends on the context but there are certain practices we can apply to all log messages. Most importantly, the message should beYou may need to search for the log message in your codebase so having a unique message will point you to the correct place. If you re-use the same message for more than one log message you may need more information to determine where it came from.

And what makes a descriptive message? Again, it’s contextual, but let’s look at an example. Here, we sent a request to a server and got an error response back.This isn’t very descriptive. What else should we reasonably log? A more descriptive log message may look like this:Logging Libraries Logging libraries help you to apply best practices and provide features you shouldn’t spend time implementing yourself. Let’s look at some!

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