Do not generate a default export for files containing only snippets

[Thiagolino8]

Describe the problem

After the export of snippets was allowed, it became common practice to use .svelte files only to export snippets, containing only the snippets, the module script and optionally the style tag
Even though it does not contain any code related to the file's component, its default export is still generated, which is not only useless code but also pollutes the module's typing

import * as everything from './snippets.svelte'
const { default: comp, ...snippets } = everything // Now the typing of snippets is { whatever: () => ReturnType<import("svelte").Snippet> }

Describe the proposed solution

Do not generate a default export for files containing only snippets

Importance

nice to have

[Ocean-OS]

This seems okay, but could be confusing since someone might want the default export for whatever reason (eg they want an empty component as a placeholder or something). I think this should be available as a compiler option, if anything.

[gyzerok]

Apologies for a bit of an offtopic - is there some place to learn how this can be useful and in which cases it replaces components?

[Thiagolino8]

is there some place to learn how this can be useful

https://svelte.dev/docs/svelte/snippet
https://svelte.dev/tutorial/svelte/snippets-and-render-tags

in which cases it replaces components?

Whenever you need markup, maybe style but not script

[Conduitry]

If we think this behavior should become the default in Svelte 6 then maybe we could add this as a compiler option, otherwise I think it should be a <svelte:options> option, or else not exist at all.

[sacrosanctic]

Apologies for a bit of an offtopic - is there some place to learn how this can be useful and in which cases it replaces components?

Go on discord's help section.