Preprocessor candidate

[FluffyDiscord]

This library seems interesting as it solves the one thing that is currently really missing from svelte stores.

I think the whole .zoom() could be transformed into basic dot style accessors using svelte.preprocess and get rid of additional code - make it Svelte-y.

Eg. this

<script>
const store = writtableTree({
    user: {
        email: "u@mail.com",
        messages: []
    }
})

const user = store.zoom("user")
const userEmail = user.zoom("email")
</script>

<span>{$userEmail}</span>

could be hidden behind preprocessor, as we would simply use this

<script>
const store = writtableTree({
    user: {
        email: "u@mail.com",
        messages: []
    }
})
</script>

<span>{$store.user.email}</span>

And you would still get the benefits from your library.

So when I would set a value in Svelte component, it would notify whole tree.

// would notify email, user and store itself
$store.user.email = "changed@mail.com"

// just like this would
$userEmail = "changed@mail.com"

[igrep]

Interesting idea. Pull request welcome!