copy from here Svelte Summit Fall 2021

use svelte kit as a lib builder

• sveltekit package https://kit.svelte.dev/docs#packaging
• vitejs resolve https://vitejs.dev/config/#resolve-alias
• ts path mapping paths https://www.typescriptlang.org/docs/handbook/module-resolution.html#path-mapping

how does it works?

• code https://github.com/sveltejs/kit/blob/master/packages/kit/src/packaging/index.js