CRLF will be replaced by LF warning appears during npm install and build on macOS

[178inaba]

Description:
When I run npm install or npm run build on macOS, I get the following warning:
CRLF will be replaced by LF the next time Git touches it.

• Example 1:

  warning: in the working copy of 'package-lock.json', CRLF will be replaced by LF the next time Git touches it
  

• Example 2:

  warning: in the working copy of 'dist/cache-save/index.js', CRLF will be replaced by LF the next time Git touches it
  warning: in the working copy of 'dist/setup/index.js', CRLF will be replaced by LF the next time Git touches it
  

Action version:
This issue occurs when making changes locally, not when using it in Actions.

Platform:

• Ubuntu
• macOS
• Windows

Runner type:

• Hosted
• Self-hosted

This issue occurs when making changes locally, not when using it in Actions.

Tools version:
$ node --version
v22.14.0
$ npm --version
10.9.2

Repro steps:

1. Clone the repository on macOS.
2. Run npm install.
   • The warning appears for package-lock.json.
3. Run npm run build.
   • The warning appears for dist/cache-save/index.js and dist/setup/index.js.

Expected behavior:
npm install and npm run build should complete without any warnings.

Actual behavior:
The following warning appears:
CRLF will be replaced by LF the next time Git touches it.

[178inaba]

The reason for the EOL in package-lock.json is that package.json uses CRLF. I have already created a pull request to address this:
#471

As for dist/**, it’s because tslib and whatwg-url are bundled with CRLF when built with ncc. I couldn’t come up with a good solution for this issue.

• Bundled section of tslib
  

• Bundled section of whatwg-url
  

[aparnajyothi-y]

Hello @178inaba, Thank you for creating this issue and we will get back to you once we have some feedback on this :)