Improve Performance

[SellersEvan]

Is your feature request related to a problem? Please describe.
Improve performance on tooling to allow faster build times.

Describe the solution you'd like

• Rebuild tooling for get exported variables. Indicate whether variable is default or type. Do this using import/export slicer that get exported loader uses.
• Add tests for get exported variables.
• Remove extra imports/exports package.
• Make type checker faster
• Add cache to type checker

Describe alternatives you've considered
N/A

Additional context
N/A

[SellersEvan]

https://oxc-project.github.io/docs/guide/usage/linter.html

Turns out the linter doesn't do type checking.

[SellersEvan]

https://tsh.io/blog/how-to-speed-up-your-typescript-project/