Download http://localhost:4260/@denotest%2fcheck-error Download http://localhost:4260/@denotest/check-error/1.0.0.tgz Check file:///[WILDCARD]/main.ts error: TS2506 [ERROR]: 'Class1' is referenced directly or indirectly in its own base expression. export class Class1 extends Class2 { ~~~~~~ at file:///[WILDCARD]/1.0.0/index.d.ts:2:14 TS2506 [ERROR]: 'Class2' is referenced directly or indirectly in its own base expression. export class Class2 extends Class1 { ~~~~~~ at file:///[WILDCARD]/1.0.0/index.d.ts:5:14 TS2339 [ERROR]: Property 'Asdf' does not exist on type 'typeof import("file:///[WILDCARD]/@denotest/check-error/1.0.0/index.d.ts")'. console.log(test.Asdf); // should error ~~~~ at file:///[WILDCARD]/main.ts:3:18 Found 3 errors.