* Add `unicorn/prefer-node-protocol`
* Fix `unicorn/prefer-node-protocol` ESLint errors
* Run `npm run format:fix`
* Add sandboxed-module sourceTransformers in mocha setups
Fix `no such file or directory, open 'node:fs'` in `sandboxed-module`
* Remove `node:` in the SandboxedModule requires
* Fix new linting errors with `node:`
GitOrigin-RevId: 68f6e31e2191fcff4cb8058dd0a6914c14f59926
* Document a way of handling an error that might be null
* Make typecheck strict
* Test some edge cases
Co-authored-by: Jakob Ackermann <jakob.ackermann@overleaf.com>