tests/cases/compiler/moduleA/a.js(2,17): error TS2656: Exported external package typings file 'tests/cases/compiler/node_modules/b.ts' is not a module. Please contact the package author to update the package definition.


==== tests/cases/compiler/moduleA/a.js (1 errors) ====
    
    import {a} from "b";
                    ~~~
!!! error TS2656: Exported external package typings file 'b.ts' is not a module. Please contact the package author to update the package definition.
    a++;
    import {c} from "c";
    c++;
    
==== tests/cases/compiler/node_modules/b.ts (0 errors) ====
    var a = 10;
    
==== tests/cases/compiler/node_modules/c.js (0 errors) ====
    exports.a = 10;
    c = 10;
    