Why the limitation on exporting an interface by default in TypeScript?

Question

I\'m using TypeScript 1.5 beta, and I\'m trying to export an interface as the default export. The following code causes an error in both Visual Studio and WebStorm:

Answer 1

TypeScript v2.4.0 allows export default interface. Here is the pull-request that introduced the change.

We can now do both of these:

// Foo.ts
export interface Foo { }

// Bar.ts
export default interface Bar { }    

// Baz.ts
import { Foo } from "./foo";
import Bar from "./bar";

export class Baz implements Foo, Bar 
{

}