[BUG] when installing npm npm.ps1 is generated, ps1 files don't handle -- as expected!

[AnderssonPeter]

Is there an existing issue for this?

• I have searched the existing issues

This issue exists in the latest npm version

• I am using the latest npm

Current Behavior

If I run npm run test -- --value '10' the npm.ps1 file removes the -- this in turn removes all parameters that start with --.

 > npm run test -- --value '10'

> [email protected] test
> node test.js "10"

if I remove npm.ps1 powershell instead executes npm.cmd and everything works as expected.

npm run test -- --value '10'

> [email protected] test
> node test.js "--value" "10"

I am using PowerShell 7.2.3

The only workaround besides deleting npm.ps1 is to add quotes around the --.

Expected Behavior

The -- should be passed to npm so that argument parsing works as intended.

Steps To Reproduce

1. Install node
2. Upgrade to latest npm with npm install -g npm
3. Ensure that you have a npm script named test that runs a node file example "test": "node test.js".
4. Run 'npm run test -- --value '10'`
5. See error...

Environment

• npm: 8.10.0
• Node.js: 18.1.0 or 16.15.0
• OS Name: Windows 10
• System Model Name: ???
• npm config:

; node bin location = C:\Program Files\nodejs\node.exe
; node version = v18.1.0
; npm local prefix = T:\eslint-issue
; npm version = 8.10.0
; cwd = T:\eslint-issue
; HOME = D:\Users\Peter
; Run `npm config ls -l` to show all defaults.```

[CherryDT]

See also:

• https://stackoverflow.com/questions/72259748/scripts-arguments-starting-with-are-removed/72260631#72260631
• https://stackoverflow.com/questions/70090402/why-arent-npm-scripts-relaying-arguments-correctly-on-windows-powershell
• Special treatment of -- (double dash) as end-of-parsing should be documented MicrosoftDocs/PowerShell-Docs#8817

[mbtools]

Closed by #8278 (semver 7.7.2)