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How are you using Babel?

@babel/eslint-parser

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Just trapped on interesting behavior, while linting markdown file with 🐊Putout one of my old repositories coderaiser/itchy, everything is hang, and the reason is ESLint with @babel/eslint-parser-experimental-worker and .babelrc.

Here is used config:
https://github.com/coderaiser/putout/blob/v33.13.4/packages/eslint-plugin-putout/lib/markdown.js#L43-L46

To reproduce clone repository at the commit hash and run node_modules/.bin/putout README.md, at debugger you can find that ESLint running with provided config.

When I remove .babelrc (or disable experimental worker) the hang was fixed. Looks like some kind of conflict between babel configs 🤷‍♂️. It took some time to understand the reason of a process hang, so I share it, maybe it helps to fix it.

Configuration file name

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Configuration

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Current and expected behavior

Expected not to hang

Environment

Latest Babel

Possible solution

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Additional context

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