fileJs.js(1,1): error TS2304: Cannot find name 'x'.
fileTs.ts(1,1): error TS2304: Cannot find name 'x'.


==== fileJs.js (1 errors) ====
    x ? y => ({ y }) : z => ({ z }) // Legal JS
    ~
!!! error TS2304: Cannot find name 'x'.
    
==== fileTs.ts (1 errors) ====
    x ? y => ({ y }) : z => ({ z })
    ~
!!! error TS2304: Cannot find name 'x'.
    