打字稿2：node_modules中的自定义类型定义

Question

Let's say I publish a custom library called my-library . This library will be of the structure

node_modules/
    my-library/
        lib/
            index.js
            src/
              ...
        typings/
            index.d.ts
        package.json

Say now I export default something called Application from the index.js, so you use it by import Application from 'my-library';

Now, in my index.d.ts I want to declare its typing:

export = Application;
export as namespace Application;

declare namespace Application {
   function foo(arg1: string): object;
}

I know expect this to return an error but it does not:

import Application from 'my-library';

Application.foo(123)[0].blahblah;

Not only is the argument wrong, but so is the use of the return value. I don't know how I am supposed to add my type definitions so that the above works.

Answer 1

You can look here to see where Typescript looks for definitions.

What you probably want is to add a types in your package.json to point to a custom definition file.

{
    "types": "typings/index.d.ts",
}