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Correctly handle relative browserslistConfigFile paths #13031

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merged 2 commits into from Mar 26, 2021

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@nicolo-ribaudo nicolo-ribaudo commented Mar 19, 2021

Q                       A
Fixed Issues? Fixes #13028 (comment)
Patch: Bug Fix?
Major: Breaking Change?
Minor: New Feature?
Tests Added + Pass? Yes
Documentation PR Link babel/website#2469
Any Dependency Changes?
License MIT

The first commit is from #13028, please review that PR first.

The current behavior of browserslistConfigFile is to be always resolved relative to the project root, regardless of where it's set. This PR changes it to be resolved:

  1. Relative to the config file where it's specified
  2. Relative to cwd, if it's specified in programmatic options

This aligns it behavior with every other Babel option whose value can be a relative path (extends, plugins, presets), and (when used as a progrmmatic option) with how Node.js generally handles relative paths (they are always resolved relative to the cwd).

This change is technically observable, but probably no one ever reported it as a bug because in 99% of the cases root === cwd === config file location.

@nicolo-ribaudo nicolo-ribaudo added PR: Bug Fix 🐛 A type of pull request used for our changelog categories pkg: core labels Mar 19, 2021
@JLHwung JLHwung self-requested a review March 19, 2021 21:58
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babel-bot commented Mar 19, 2021

Build successful! You can test your changes in the REPL here: https://babeljs.io/repl/build/44739/

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This pull request is automatically built and testable in CodeSandbox.

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@JLHwung JLHwung merged commit e68f2ce into babel:main Mar 26, 2021
@nicolo-ribaudo nicolo-ribaudo deleted the browserslistrc-config-relative branch March 26, 2021 19:10
@github-actions github-actions bot added the outdated A closed issue/PR that is archived due to age. Recommended to make a new issue label Jun 26, 2021
@github-actions github-actions bot locked as resolved and limited conversation to collaborators Jun 26, 2021
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4 participants