Definitelytyped: ERROR in node_modules/@types/koa/index.d.ts(104,14): error TS2694: Namespace '"url"' has no exported member 'URL'.

[stevermeister]

https://github.com/DefinitelyTyped/DefinitelyTyped/blob/d0df8af318e457abf9a8f193f310b53e2feefb70/types/koa/index.d.ts#L28

Are you sure it's correct import here?

I solved the issue by changing it from

https://github.com/DefinitelyTyped/DefinitelyTyped/blob/d0df8af318e457abf9a8f193f310b53e2feefb70/types/koa/index.d.ts#L104

to just

URL: URL;

[alexey-shakura]

Updating @types/node to newest version fixed this for me

[jcyongqin]

I changed the URL: url.URL; to URL: url.Url; .
and solved.

[milocosmopolitan]

Actually all you need to do is include @type/node to tsconfig compilerOptions
```json
{
"compilerOptions": {
"types": [
"node"
]
}
}