Implement livereactload for hot loading

[lukemorton]

The aim of this pull request is to implement client side hot reloading. I'm running into a few issues and would love some help.

Recreate the problem

Follow these steps to recreate the problem.

1. Clone this repo
2. git checkout feature/hot-loading
3. cd examples
4. npm install && sudo npm link && republic dev
5. Open http://localhost:3000 in browser
6. Change text in examples/app/views/hello/world.jsx

The error

When attempting the above I get the following error:

Expected outcome

Only the world.jsx file should be reloaded. I did not expect the parent files to be reloaded and as such redux and react router. How can I ensure only userland files (i.e. ones in their app directory not republic) are hot loaded?

Related links

• Change examples to explicitly use replaceReducer() for hot reloading reduxjs/redux#667
• Hot swapping routes remix-run/react-router#2182 (comment)
• Does not work with react-router milankinen/livereactload#43