Using dependencies from npm in user scripts

[pburrows]

I have a user script macro that uses simple-git to push changes to github. I am struggling on how to reference the simple-git dependency.
I've tried doing an npm i simple-git in the same directory as the script file, in the parent directory, in the .obsidian/modules directory. I've even tried copying the index.js file from simple-git into the same folder as my user script and doing const simpleGit = require('./simple-git')

Nothing seems to work. The error is always "cannot find module 'simple-git'"

node:internal/modules/cjs/loader:1082 Uncaught (in promise) Error: Cannot find module 'simple-git'
Require stack:
- electron/js2c/renderer_init

Any tricks on how to reference dependencies in user script macros?