Cannot use import statement outside a module with SvelteKit

[NickAlvesX]

I got this error when trying to import 'svelte-convert/react' inside src/lib/index.ts of a SvelteKit project.

Cannot use import statement outside a module
node_modules/svelte-convert/dist/react.js:1
import React from 'react';

This only happens on the first run tho, if I refresh the page, it works.