[BUG] Can not get npm ls to show origin of an optional dependency

[inwenis]

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

npm ls node-gyp-buid
test-npm@1.0.0 C:\git\test-npm
`-- (empty)

Expected Behavior

npm ls node-gyp-buid
test-npm@1.0.0 C:\git\test-npm
kafka-lz4-lite@1.0.5
    └─┬ piscina@3.2.0
      └─┬ nice-napi@1.0.2
        └── node-gyp-build@4.8.1

Steps To Reproduce

npm init -y
npm install kafka-lz4-lite@latest
npm ls node-gyp-buid
npm ls --all node-gyp-buid
npm ls --include=optional node-gyp-buid

Environment

• npm: 10.7.0
• Node.js: v22.0.0
• OS Name: win
• System Model Name:
• npm config:

; "user" config from ...

msbuild_path = "c:\\Program Files\\Microsoft Visual Studio\\2022\\Community\\MSBuild\\Current\\Bin\\MSBuild.exe"
msvs_version = "2017"

; node bin location = C:\programki\nodejs\node.exe
; node version = v22.0.0
; npm local prefix = C:\git\test-npm
; npm version = 10.7.0
; cwd = C:\git\test-npm
; HOME = ...
; Run `npm config ls -l` to show all defaults.

[wraithgar]

Is the dependency actually installed? npm ls will only show the packages that are actually installed.

[inwenis]

thank you for the reply @wraithgar
The pacakge I'm looking for is not present in node_modules.
Is there a way to analyse the deprendency tree including optional deps?