error TS6082: Only 'amd' and 'system' modules are supported alongside --outFile.


!!! error TS6082: Only 'amd' and 'system' modules are supported alongside --outFile.
==== tests/cases/conformance/removeWhitespace/a.ts (0 errors) ====
    let a = 1;
    
==== tests/cases/conformance/removeWhitespace/b.ts (0 errors) ====
    let b = 2;
    
==== tests/cases/conformance/removeWhitespace/c.ts (0 errors) ====
    class C {}
    
==== tests/cases/conformance/removeWhitespace/d.ts (0 errors) ====
    function d() {}
    