sveltejs / svelte · Issue No. 18660

Expose `RenderOutput` from `svelte/server`

Openby Rich-Harrisopened Aug 17, 2026updated Aug 31, 20261 comments

Description

Describe the problem

SvelteKit has to do this:

/** @type {Omit<Awaited<ReturnType<typeof render>>, 'html'>} */
let rendered;

Describe the proposed solution

This:

/** @type {import('svelte/server').RenderOutput} */
let rendered;

Importance

nice to have

Relay Analysis

View on GitHub

Relay reads this issue against the repository's contribution signals: the files it is likely to touch, how the maintainers triage work this size, and what the first contribution would exercise.

The full analysis for this issue is still being assembled. Until then, the description above and the thread on GitHub are the most reliable context.