What are some effective debugging tips for Node.js?

What are some effective debugging tips for Node.js?

Here are some effective debugging tips for Node.js: 1. Use console.log() to track variable values. 2. Utilize the Node.js debugger with the command node inspect <your-file.js>. 3. Leverage tools like Visual Studio Code for built-in debugging. 4. Check for asynchronous code issues with Promises and async/await.

Can you explain how to use the Node.js debugger?

Sure! To use the Node.js debugger, start your application with node inspect <your-file.js>. You can set breakpoints, step through code, and inspect variables. Use commands like cont to continue execution and next to step to the next line.

What tools can I use for debugging in Node.js?

You can use several tools for debugging in Node.js, including: 1. Chrome DevTools for remote debugging. 2. Visual Studio Code for integrated debugging. 3. Node Inspector for a web-based debugging interface.

How can I debug asynchronous code?

Debugging asynchronous code can be tricky. Use async/await for better readability, and make sure to handle errors with try/catch blocks. You can also use the --trace-warnings flag to get more insights into unhandled promise rejections.