fix(create-stubs): An import path cannot end with a '.d.ts' extension.

[pyoner]

Hi,
I created this branch to reproduce the error https://github.com/pyoner/svelte-ts-template/tree/3.5.1
I got error

svelte-ts-template git:(3.5.1) ✗ npm run build

> [email protected] build /home/jungle/repo/svelte-ts-template
> rollup -c


src/main.ts → public/bundle.js...
node_modules/svelte/internal/index.d.ts:1:15 - error TS2691: An import path cannot end with a '.d.ts' extension. Consider importing '../types/runtime/internal/index' instead.

1 export * from '../types/runtime/internal/index.d.ts';
                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
node_modules/svelte/store/index.d.ts:1:15 - error TS2691: An import path cannot end with a '.d.ts' extension. Consider importing '../types/runtime/store/index' instead.

1 export * from '../types/runtime/store/index.d.ts';
                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
node_modules/svelte/types/runtime/index.d.ts:1:10 - error TS2305: Module '"../../internal"' has no exported member 'onMount'.

1 export { onMount, onDestroy, beforeUpdate, afterUpdate, setContext, getContext, tick, createEventDispatcher } from 'svelte/internal';
           ~~~~~~~
node_modules/svelte/types/runtime/index.d.ts:1:19 - error TS2305: Module '"../../internal"' has no exported member 'onDestroy'.

1 export { onMount, onDestroy, beforeUpdate, afterUpdate, setContext, getContext, tick, createEventDispatcher } from 'svelte/internal';
                    ~~~~~~~~~
node_modules/svelte/types/runtime/index.d.ts:1:30 - error TS2305: Module '"../../internal"' has no exported member 'beforeUpdate'.

1 export { onMount, onDestroy, beforeUpdate, afterUpdate, setContext, getContext, tick, createEventDispatcher } from 'svelte/internal';
                               ~~~~~~~~~~~~
node_modules/svelte/types/runtime/index.d.ts:1:44 - error TS2305: Module '"../../internal"' has no exported member 'afterUpdate'.

1 export { onMount, onDestroy, beforeUpdate, afterUpdate, setContext, getContext, tick, createEventDispatcher } from 'svelte/internal';
                                             ~~~~~~~~~~~
node_modules/svelte/types/runtime/index.d.ts:1:57 - error TS2305: Module '"../../internal"' has no exported member 'setContext'.

1 export { onMount, onDestroy, beforeUpdate, afterUpdate, setContext, getContext, tick, createEventDispatcher } from 'svelte/internal';
                                                          ~~~~~~~~~~
node_modules/svelte/types/runtime/index.d.ts:1:69 - error TS2305: Module '"../../internal"' has no exported member 'getContext'.

1 export { onMount, onDestroy, beforeUpdate, afterUpdate, setContext, getContext, tick, createEventDispatcher } from 'svelte/internal';
                                                                      ~~~~~~~~~~
node_modules/svelte/types/runtime/index.d.ts:1:81 - error TS2305: Module '"../../internal"' has no exported member 'tick'.

1 export { onMount, onDestroy, beforeUpdate, afterUpdate, setContext, getContext, tick, createEventDispatcher } from 'svelte/internal';
                                                                                  ~~~~
node_modules/svelte/types/runtime/index.d.ts:1:87 - error TS2305: Module '"../../internal"' has no exported member 'createEventDispatcher'.

1 export { onMount, onDestroy, beforeUpdate, afterUpdate, setContext, getContext, tick, createEventDispatcher } from 'svelte/internal';
                                                                                        ~~~~~~~~~~~~~~~~~~~~~
src/App.svelte:3:12 - error TS2305: Module '"../node_modules/svelte/store"' has no exported member 'writable'.

3   import { writable } from "svelte/store";
             ~~~~~~~~

created public/bundle.js in 7.5s

[Conduitry]

@pngwn This is the PR I mentioned in chat. It sounds like from your comment that you corroborate its merginess.

[pngwn]

Yep, this looks right.