Skip to content

feat: LiveQuery self-iterability#15878

Merged
elliott-with-the-longest-name-on-github merged 11 commits into
mainfrom
elliott/live-self-iterability
May 22, 2026
Merged

feat: LiveQuery self-iterability#15878
elliott-with-the-longest-name-on-github merged 11 commits into
mainfrom
elliott/live-self-iterability

Conversation

@elliott-with-the-longest-name-on-github

Copy link
Copy Markdown
Contributor

Deprecates .run and makes LiveQueries iterable themselves. LiveQueries now share a cache between instances and new subscriptions to that cache will join the in progress stream of values.

@changeset-bot

changeset-bot Bot commented May 20, 2026

Copy link
Copy Markdown

🦋 Changeset detected

Latest commit: 78b9dba

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
Name Type
@sveltejs/kit Minor

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

Comment thread packages/kit/types/index.d.ts Outdated
Comment thread packages/kit/test/types/remote.test.ts Outdated
Co-authored-by: Rich Harris <richard.a.harris@gmail.com>
Comment thread packages/kit/test/types/remote.test.ts
Comment thread packages/kit/src/exports/public.d.ts Outdated
Comment thread packages/kit/src/runtime/app/server/remote/query.js Outdated
Comment thread packages/kit/src/runtime/app/server/remote/query.js Outdated
Comment thread packages/kit/src/runtime/app/server/remote/query.js Outdated
@Rich-Harris

Copy link
Copy Markdown
Member

#15879

Comment thread packages/kit/src/runtime/app/server/remote/query.js Outdated
Comment thread packages/kit/src/runtime/client/remote-functions/query-live/proxy.js Outdated
Comment thread packages/kit/src/runtime/client/remote-functions/query-live/proxy.js Outdated
Rich-Harris and others added 3 commits May 22, 2026 13:15
this interface no longer does anything
…oxy.js

Co-authored-by: Rich Harris <richard.a.harris@gmail.com>
…oxy.js

Co-authored-by: Rich Harris <richard.a.harris@gmail.com>

@Rich-Harris Rich-Harris left a comment

Copy link
Copy Markdown
Member

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

would still prefer to get rid of the get_or_create_shared_live_iterator indirection, a la #15888 or a variant that uses a Map instead of a Record, but this LGTM

@elliott-with-the-longest-name-on-github elliott-with-the-longest-name-on-github merged commit e75024c into main May 22, 2026
28 of 29 checks passed
@elliott-with-the-longest-name-on-github elliott-with-the-longest-name-on-github deleted the elliott/live-self-iterability branch May 22, 2026 20:29
@github-actions github-actions Bot mentioned this pull request May 22, 2026
Rich-Harris pushed a commit that referenced this pull request May 22, 2026
This PR was opened by the [Changesets
release](https://github.com/changesets/action) GitHub action. When
you're ready to do a release, you can merge this and the packages will
be published to npm automatically. If you're not ready to do a release
yet, that's fine, whenever you add more changesets to main, this PR will
be updated.


# Releases
## @sveltejs/kit@2.61.0

### Minor Changes

- breaking: the `.run()` method has been removed from remote queries on
both the client and the server. Use `await query()` directly instead —
it now works everywhere
([#15779](#15779))


- feat: remote queries can now be awaited in any context (event
handlers, module scope, async callbacks), not just inside reactive
contexts. The cache is shared across reactive and non-reactive
subscribers, so awaiting a query in an event handler will dedupe with
components that have already subscribed to the same query.
([#15779](#15779))


- feat: live query instances are now themselves async-iterable
([#15878](#15878))


- feat: add programmatic `submit` method to `form` remote function
instances ([#15657](#15657))


- feat: pass `form` remote function instance into `enhance` callback
([#15657](#15657))

### Patch Changes

- fix: resolve the app payload without using `process.env.NODE_ENV`
([#15852](#15852))


- fix: support `exactOptionalPropertyTypes` for optional route params
([#15825](#15825))


- fix: correctly send `true` value to the server for 'submit' and
'hidden' form fields
([#15858](#15858))


- fix: avoid build warnings about undefined universal hooks
([#15895](#15895))


- fix: prefer default error page when failing to decode the URL pathname
([#15744](#15744))


- fix: disable link prefetching on slow internet connections
([#15885](#15885))


- fix: allow routes ending with optional parameters next to more
specific routes ([#15861](#15861))


- fix: remove reliance on Content-Length header in
deserialize_binary_form, which caused failures when proxies (e.g.
Vercel, Azure) strip the header and use chunked transfer encoding
([#15796](#15796))

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
ollema added a commit to ollema/skiftesgatan.se that referenced this pull request May 26, 2026
## Summary
- Bumps deps (commit c861d37).
- Adapts the codebase to API changes that landed in SvelteKit 2.61:
- **RemoteForm enhance callback**
([kit#15657](sveltejs/kit#15657)): the callback
now receives the form instance directly. The old `form` field on the
callback arg is gone; the underlying `HTMLFormElement` is now `element`.
Migrated `konto/+page.svelte` (changeName, changeEmail, changePassword)
and `admin/[username]/+page.svelte` (updateUserName, updateUserEmail).
- **Calendar prop drop**: bits-ui's Calendar no longer accepts the
`slotCount` prop. Removed the unused derived value and prop pass in
`BookingPage.svelte`.

Other SvelteKit changes reviewed but no code changes needed here:
- [kit#15779](sveltejs/kit#15779) (isomorphic
query caching, `.run` removal): we don't call `.run` anywhere.
- [kit#15878](sveltejs/kit#15878) (LiveQuery
self-iterability): additive; existing `await live` pattern still works.
- [kit#15802](sveltejs/kit#15802) (hidden/submit
accept numbers/booleans): no `as('hidden'|'submit')` call sites today.
- [kit#15653](sveltejs/kit#15653) (warn on
unread validation issues): every form already renders
`fields.allIssues()`.

## Test plan
- [x] `pnpm check` — 0 errors / 0 warnings
- [x] `pnpm test` — 55 unit tests passed, 36 e2e tests passed
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Projects

None yet

Development

Successfully merging this pull request may close these issues.

2 participants