Debugging Babel and Node done right

In plain words

This is a development workflow setup for debugging Node.js applications written in Babel. It combines three npm scripts that work together: one transpiles Babel code to a build directory with source maps, another watches the build directory and restarts the server with debugging enabled, and the third launches node-inspector for interactive debugging. The setup is designed for developers who need reliable feedback and accurate source mapping during development.

written from the facts on this page · September 2026

From the sources

In the maker’s words, at launch

Requirement: - Excellent feedback during development - Debugging with source maps Method: I'm using these scripts in package.json. "scripts": { "di": "node-inspector -d=7000 -p=8000 --save-live-edit --hidden node_modules/", "ds1": "babel ./server -d ./build/server -s -w", "ds2": "nodemon --watch…

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  Debugging is hard for LLMs, because they primarily depend on source code, and they don't have access to runtime state. I spent countless hours debugging code, and the only way I found LLMs useful for that, is to ask them to add log lines. That's annoying, because it pollutes my code and adds unnecessary diffs. So we made an MCP server that solve this problem. It gives MCP clients (like Claude Code) access to a NodeJS inspector, so they can: 1. set breakpoints 2. step in, step out, continue 3. fetch the current execution location 4. read console output 5. run JS using eval To try: 1. run a…

• WM
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  🐠 Babel is a compiler for writing next generation JavaScript. - babel/babel

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