[BUG] npm not installing (all) optional dependencies #5831

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 does not install (all) optional dependencies by default

Expected Behavior

npm installs all optional dependencies by default

Steps To Reproduce

1. npm i @twurple/chat
2. npm ls --all
3. See output above:

• UNMET OPTIONAL DEPENDENCY encoding@^0.1.0
• UNMET OPTIONAL DEPENDENCY bufferutil@^4.0.1
• UNMET OPTIONAL DEPENDENCY utf-8-validate@^5.0.2

If you install those packages (as optional dependencies) yourself and check the output again, it is fine.

Environment

• npm: 8.19.2 (I know 8.19.3 is current but it is not included in node v18.12.1 which is current so...)
• Node.js: v18.12.0
• OS Name: Windows 10 21H1
• System Model Name: custom pc
• npm config:

; "builtin" config from C:\Program Files\nodejs\node_modules\npm\npmrc

prefix = "C:\\Users\\[]\\AppData\\Roaming\\npm"

; node bin location = C:\Program Files\nodejs\node.exe
; node version = v18.12.0
; npm local prefix = C:\Users\[]
; npm version = 8.19.2
; cwd = C:\Users\[]
; HOME = C:\Users\[]
; Run `npm config ls -l` to show all defaults.