node-expose-sspi | Expose Microsoft Windows SSPI to Node for doing SSO

In my project, in tsconfig.json I have selected the option strict=true (enable all strict type checking options).

When I add import { sso } from 'node-expose-sspi'; I get approximately 60 errors from tsc.

For example: src/sso/auth.ts line 88 waitForReleased accepts string but cookieToken is string | undefined

I noticed, in node-expose-sspi tsconfig there is only noImplicitAny=true, which implies other strict checks options to be false. Because of that running tsc directly in node-expose-sspi folder produces no error but it fails from my project folder.

But why does typescript compiler ignore module specific tsconfig.json?

Can I somehow force top level tsc to use ./node_modules/xxx/tsconfig.json when compiling xxx module?

Edit:

My tsconfig.json: