tests/cases/compiler/file1.ts(1,1): error TS1208: 'file1.ts' cannot be compiled under '--isolatedModules' because it is considered a global script file. Add an import, export, or an empty 'export {}' statement to make it a module.


==== tests/cases/compiler/file1.ts (1 errors) ====
    var x;
    ~~~
!!! error TS1208: 'file1.ts' cannot be compiled under '--isolatedModules' because it is considered a global script file. Add an import, export, or an empty 'export {}' statement to make it a module.