node-inspector – Tarik Billa

Debugging Jest test cases using node-inspector

August 10, 2023 by Tarik

Looks like the issue is that jest is using harmonize, which spawns a child process to ensure that the –harmony option is used. harmonize/harmonize.js, lines 30-35 var node = child_process.spawn(process.argv[0], [‘–harmony’].concat(process.argv.slice(1)), {}); node.stdout.pipe(process.stdout); node.stderr.pipe(process.stderr); node.on(“close”, function(code) { process.exit(code); }); I was able to successfully debug jest tests (although tests that use JSX transforms are incredibly … Read more

How to debug node js app with breakpoints and everything?

June 9, 2023 by Tarik

yupp, I’ve successfully used node-inspector. If you want permanent breakpoints, simply insert debugger; in your code. See http://nodejs.org/api/debugger.html. Making node wait until a debugger is attached, using node –inspect-brk script.js (previously node –debug-brk script.js), can also be very helpful.

debugging node.js with node-inspector

February 28, 2023 by Tarik

Try to run node –debug-brk app.js instead of just –debug. Your application may not be pausing before node inspector hooks into the node process. Using –debug-brk will force node to break on the first line of your app and wait for a debugger to attach to the process. Loading the node-inspector web interface is what … Read more

Using node-inspector with Grunt tasks

January 6, 2023 by Tarik

To run grunt in debug, you need to pass the grunt script to node explicitly: node-debug $(which grunt) task and put a debugger; line in your task. node-inspector will then open a browser with debugging tools. Edit 28 Feb 2014 node-inspector has added the command node-debug, which launches node in a –debug state and opens … Read more