How to get untyped npm modules to play nicely with webpack
You need to put your import statement inside the declare module.
declare module '@hyperapp/router' { import { VNode } from 'hyperapp' export function Link(props: LinkProps): VNode<LinkProps> ...}I had the same error when trying to add the declaration file above (wrote by @m0a whose PR has not been accepted) when the the import statement was on the first line of the file -- which feels most natural.