简单js模块的定义文件

Question

I am trying to make a DefinitelyTyped definition file for a small npm commonjs library as some typescript practice. The module's exports looks like this:

module.exports = useNative() ? NativeCustomEvent :
// IE >= 9
'undefined' !== typeof document && 'function' === typeof 
document.createEvent ? function CustomEvent (type, params) {...} 
// IE < 9 
: function CustomEvent(type, params) {...}

where

useNative is a boolean function, and CustomEvent returns an event e and var NativeCustomEvent = global.CustomEvent

I just want to write a clean .d.ts file for this simple module. I am just getting a bit lost with trying to do it. Any pointers would be greatly appreciated.

---

Update:

So i have /node-modules/custom-event (the js module) and added to /node-modules/@types/ a folder called /custom-event where I added a custom-event.d.ts

code so far:

declare module "custom-event" {
    function CustomEvent(type: any, params: any): any
    export = CustomEvent
}

Answer 1

If you don't consider DT, you can do this:

// custom-typings/custom-event.d.ts
declare module "custom-event" {
  export = CustomEvent
}

// package.json
{
  "dependencies": {
    "@types/node": ...
  }
}

// tsconfig.json
{
  "include": [
    "custom-typings"
  ]
}