[BUG][since 7.18.0] A wrong symlink is produced when installing a local `file:` package.

[issuefiler]

The environments

The directory tree

• T:/a/b/c/
  • PackageA/
    • package.json
  • PackageB/

T:/a/b/c/PackageA/package.json

"dependencies": {
	"package-b": "file:../PackageB/"
}

The command

The working directory: B:/a/b/c/PackageA/.

npm install

on Windows 10’s command prompt.

---

The results

The following symlink is created.

NPM version 7.17.0 ✔

./node_modules/package-b ⟶[symlink]⟶ T:/a/b/c/PackageB/

NPM version 7.18.0 or newer ❌^bug

./node_modules/package-b ⟶[symlink]⟶ T:/a/PackageB/

---

Tested with freshly installed NPM.

npm install -g npm@7.17.0
npm install

npm install -g npm@7.18.0
npm install

[ljharb]

@issuefiler npm 7 is long EOL, can you try with npm 8 latest?

[issuefiler]

@ljharb:

@issuefiler npm 7 is long EOL, can you try with npm 8 latest?

I’ve also tried with npm@8.12.1. This bug still exists.