jest skip typescript files code example

Example: typescript exclude jest files

For more info on working with multiple tsconfig.json files,
see this StackOverflow answer.
Basically you would make use of the "extends" field so as to not
duplicate your compiler options overmuch.

You may need to change how you run tsc just a tad:

tsc --project tsconfig.production.json 
# or whatever you call your other tsconfig