List of all node libraries used in repo code

[tylerbutler]

As of commit b3beb587fc, the node libraries listed below are used in various places within the repo. They're grouped below by the recommended policy/action we should take.

Use the polyfill package that webpack 4 used.

The full list of polyfills is at https://webpack.js.org/configuration/resolve/#resolvefallback

• [ ] #9509
• [ ] #9510

Replace with our isometric implementation in prod code.

For test code, identify use as node if possible, or use our isomorphic implementation for simplicity.

• [ ] assert
• [x] #11350

Usage is OK, test/tool code only

Using these packages in test/tool code is OK, but they shouldn't be used in our core packages.

• child_process
• fs
• http
• net
• os
• path
• process
• readline
• util
• worker_threads