ESLint configuration: property 'bar' does not exist on type 'Foo | Error'

[tim-rohrer]

In particular in my IDE,

Property 'bar' does not exist on type 'Foo | Error'.
  Property 'bar' does not exist on type 'Error'.ts(2339)

The code:

const { ok, err, val } = await someAsyncCallWithResults<Foo, Error>Implemented()

expect(val.bar).toBeDefined

Code compiles without error using tsc so I suspect this is a VSCode/ESLint config issue.

I realize this may not truly be a ts-results issue, but perhaps someone who uses this lib can point me in the right direction to resolve the issue?

Thank you.

Refs:
eslintrc.json
My base tsconfig.json