prettier js formatter in command line

Question

I would like to run prettier in the terminal command line on my linux machine, but I'm getting an error for some reason. Please advise. Here is my command:

yarn prettier --write test.js

Here is the error I'm getting

error Command failed with exit code 1.

Here is my file

foo({ num: 3 },
1, 2)

Answer 1

yarn is just the package manager. Once installed you should be able to just use prettier --write test.js