error TS5069: Option 'isolatedDeclarations' cannot be specified without specifying option 'declaration' or option 'composite'.


!!! error TS5069: Option 'isolatedDeclarations' cannot be specified without specifying option 'declaration' or option 'composite'.
==== file1.ts (0 errors) ====
    export var x = 1;
==== file2.ts (0 errors) ====
    export var y = 1;