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feat: async SSR #16748

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Merged
merged 120 commits into from
Sep 17, 2025
+2,638 −901
Merged

feat: async SSR #16748

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d7f5d86
feat: First pass at payload
elliott-with-the-longest-name-on-github Jul 23, 2025
f0e4672
Merge remote-tracking branch 'origin/main' into elliott/async-ssr
elliott-with-the-longest-name-on-github Aug 19, 2025
c5b639c
first crack
elliott-with-the-longest-name-on-github Aug 20, 2025
0cb6212
snapshots
elliott-with-the-longest-name-on-github Aug 20, 2025
866a11c
checkpoint
elliott-with-the-longest-name-on-github Aug 20, 2025
6bf1442
fix: cloning
elliott-with-the-longest-name-on-github Aug 20, 2025
3ba2512
add test option
elliott-with-the-longest-name-on-github Aug 20, 2025
4ffb8c9
big dumb
elliott-with-the-longest-name-on-github Aug 20, 2025
ba95b56
today's hard work; few tests left to fix
elliott-with-the-longest-name-on-github Aug 22, 2025
9802fd4
improve
elliott-with-the-longest-name-on-github Aug 22, 2025
df67afe
tests passing no wayyyyy yo
elliott-with-the-longest-name-on-github Aug 22, 2025
e39b4b7
lots of progress, couple of failing tests around selects
elliott-with-the-longest-name-on-github Aug 27, 2025
51392be
meh
elliott-with-the-longest-name-on-github Aug 27, 2025
d761749
solve async tree stuff
elliott-with-the-longest-name-on-github Aug 28, 2025
259d286
fix select/option stuff
elliott-with-the-longest-name-on-github Aug 28, 2025
835101b
whoop, tests
elliott-with-the-longest-name-on-github Aug 28, 2025
64f9110
simplify
elliott-with-the-longest-name-on-github Aug 28, 2025
de48a77
feat: hoisting
elliott-with-the-longest-name-on-github Sep 5, 2025
02b7372
fix: `$effect.pending` sends updates to incorrect boundary
elliott-with-the-longest-name-on-github Sep 8, 2025
bd6a414
changeset
elliott-with-the-longest-name-on-github Sep 8, 2025
f0b01f7
stuff from upstream
elliott-with-the-longest-name-on-github Sep 8, 2025
3c73cc7
feat: first hydrationgaa
elliott-with-the-longest-name-on-github Sep 8, 2025
380f457
Merge branch 'elliott/effect-pending-correct-boundary' into adjust-bo…
elliott-with-the-longest-name-on-github Sep 8, 2025
f98aa72
remove docs
elliott-with-the-longest-name-on-github Sep 9, 2025
a8fc627
Merge remote-tracking branch 'origin' into adjust-boundary-error-message
elliott-with-the-longest-name-on-github Sep 9, 2025
5d04b3b
snapshots
elliott-with-the-longest-name-on-github Sep 9, 2025
a30de03
silly fix
elliott-with-the-longest-name-on-github Sep 9, 2025
41e26b5
checkpoint
elliott-with-the-longest-name-on-github Sep 9, 2025
d4bd8e3
meh
elliott-with-the-longest-name-on-github Sep 9, 2025
26d6613
ALKASJDFALSKDFJ the test passes
elliott-with-the-longest-name-on-github Sep 9, 2025
e3b0f80
chore: Update a bunch of tests for hydration markers
elliott-with-the-longest-name-on-github Sep 10, 2025
d6c7f58
chore: remove snippet and is_async
elliott-with-the-longest-name-on-github Sep 11, 2025
f1c0634
naming
elliott-with-the-longest-name-on-github Sep 11, 2025
aa9a72c
better errors for sync-in-async
elliott-with-the-longest-name-on-github Sep 11, 2025
e7c6b1c
test improvements
elliott-with-the-longest-name-on-github Sep 11, 2025
5a40601
Merge remote-tracking branch 'origin' into adjust-boundary-error-message
elliott-with-the-longest-name-on-github Sep 11, 2025
127c5a7
idk man
elliott-with-the-longest-name-on-github Sep 11, 2025
4924176
merge local branches (#16757)
elliott-with-the-longest-name-on-github Sep 12, 2025
298f02d
Update payload.js
elliott-with-the-longest-name-on-github Sep 12, 2025
0e5eeb7
checkpoint
elliott-with-the-longest-name-on-github Sep 12, 2025
8773216
got the extra children to go away
elliott-with-the-longest-name-on-github Sep 13, 2025
894b93e
Merge branch 'adjust-boundary-error-message' of github.com:sveltejs/s…
elliott-with-the-longest-name-on-github Sep 13, 2025
aaaf428
just gonna go ahead and merge this as the review comments take up too…
Rich-Harris Sep 14, 2025
cf75873
chore: remove hoisted_promises (#16766)
Rich-Harris Sep 14, 2025
6a8ab8e
Update packages/svelte/src/compiler/phases/3-transform/server/visitor…
Rich-Harris Sep 14, 2025
ed3cb33
chore: fix hydration treeshaking (#16767)
Rich-Harris Sep 14, 2025
fbef4bb
remove await_outside_boundary error (#16762)
Rich-Harris Sep 14, 2025
393a44a
chore: remove unused analysis.boundary (#16763)
Rich-Harris Sep 14, 2025
27e33a8
chore: simplify slots (#16765)
Rich-Harris Sep 14, 2025
2365d1b
Apply suggestions from code review
Rich-Harris Sep 14, 2025
3345386
chore: remove metadata.pending (#16764)
Rich-Harris Sep 14, 2025
4e048f1
Update packages/svelte/src/compiler/phases/3-transform/server/visitor…
Rich-Harris Sep 15, 2025
e793d2c
put this back where it was, keep the diff small
Rich-Harris Sep 15, 2025
8e7b87a
Merge branch 'main' into adjust-boundary-error-message
Rich-Harris Sep 15, 2025
cf3ea69
Update packages/svelte/src/compiler/phases/types.d.ts
elliott-with-the-longest-name-on-github Sep 15, 2025
9d8f259
chore: remove analysis.state.title (#16771)
Rich-Harris Sep 15, 2025
ba39144
chore: remove is_async (#16769)
Rich-Harris Sep 15, 2025
3b99bdb
Apply suggestions from code review
elliott-with-the-longest-name-on-github Sep 15, 2025
b2cee26
cleanup
elliott-with-the-longest-name-on-github Sep 15, 2025
e3e9279
Merge branch 'adjust-boundary-error-message' of github.com:sveltejs/s…
elliott-with-the-longest-name-on-github Sep 15, 2025
d26fb1f
lint
elliott-with-the-longest-name-on-github Sep 15, 2025
4356b64
clean up payload a bit
elliott-with-the-longest-name-on-github Sep 15, 2025
b63a56a
compiler work
elliott-with-the-longest-name-on-github Sep 15, 2025
5a42efb
run ssr on sync and async
elliott-with-the-longest-name-on-github Sep 15, 2025
65f903e
prettier
Rich-Harris Sep 16, 2025
3eb704d
inline capture
Rich-Harris Sep 16, 2025
04445d4
Update packages/svelte/src/compiler/phases/3-transform/server/visitor…
Rich-Harris Sep 16, 2025
a84c78b
chore: simplify build_template (#16780)
Rich-Harris Sep 16, 2025
41f0ff4
small tweak to aid greppability
Rich-Harris Sep 16, 2025
f1ca551
chore: fix SSR context (#16781)
Rich-Harris Sep 16, 2025
903f1f1
at least passing
elliott-with-the-longest-name-on-github Sep 16, 2025
d694c57
cleanup
elliott-with-the-longest-name-on-github Sep 16, 2025
6b2e1aa
fix
Rich-Harris Sep 16, 2025
6315138
merge
Rich-Harris Sep 16, 2025
81a265a
remove push/pop from exports, not needed with payload
elliott-with-the-longest-name-on-github Sep 16, 2025
d8f0cc3
Merge branch 'adjust-boundary-error-message' of github.com:sveltejs/s…
elliott-with-the-longest-name-on-github Sep 16, 2025
77c53d1
I think this is better but tbh not sure
elliott-with-the-longest-name-on-github Sep 16, 2025
941afd0
async SSR
Rich-Harris Sep 16, 2025
bc67ee7
qualification
Rich-Harris Sep 16, 2025
fc84ada
errors:
elliott-with-the-longest-name-on-github Sep 16, 2025
33329d4
Merge branch 'adjust-boundary-error-message' of github.com:sveltejs/s…
elliott-with-the-longest-name-on-github Sep 16, 2025
f6d3894
I have lost the plot
elliott-with-the-longest-name-on-github Sep 16, 2025
4325e67
finally
elliott-with-the-longest-name-on-github Sep 16, 2025
d68f89e
ugh
elliott-with-the-longest-name-on-github Sep 16, 2025
ec82e9b
tweak error codes to better align with existing conventions, such as …
Rich-Harris Sep 17, 2025
9a09f02
tweak messages
Rich-Harris Sep 17, 2025
69bb7b1
remove unused args
Rich-Harris Sep 17, 2025
66664f0
DRY out a bit
Rich-Harris Sep 17, 2025
44eb878
unused
Rich-Harris Sep 17, 2025
48bace7
unused
Rich-Harris Sep 17, 2025
673e915
unused
Rich-Harris Sep 17, 2025
1abf3d0
simplify - we can enforce readonly at a type level
Rich-Harris Sep 17, 2025
708fca6
unused
Rich-Harris Sep 17, 2025
db4a1c0
simplify
Rich-Harris Sep 17, 2025
3ef5612
avoid magical accessors
Rich-Harris Sep 17, 2025
1c91c59
simplify algorithm
Rich-Harris Sep 17, 2025
b4a8594
unused
Rich-Harris Sep 17, 2025
a2860bb
unused
Rich-Harris Sep 17, 2025
429591b
reduce indirection
Rich-Harris Sep 17, 2025
afe737b
TreeState -> SSRState
Rich-Harris Sep 17, 2025
8329315
mark deprecated methods
Rich-Harris Sep 17, 2025
1f5f385
grab this.local from parent directly
Rich-Harris Sep 17, 2025
492da2f
rename render -> fn per conventions (fn indicates 'arbitrary code')
Rich-Harris Sep 17, 2025
3ec461b
reduce indirection
Rich-Harris Sep 17, 2025
ab6473c
Revert "reduce indirection"
Rich-Harris Sep 17, 2025
2798ecc
tweak
Rich-Harris Sep 17, 2025
7666f04
okay works this time
Rich-Harris Sep 17, 2025
eb33a2f
no way chat, it works
elliott-with-the-longest-name-on-github Sep 17, 2025
3681767
fix context stuff
Rich-Harris Sep 17, 2025
98b2f49
tweak
Rich-Harris Sep 17, 2025
71da772
make it chainable
elliott-with-the-longest-name-on-github Sep 17, 2025
8b16fe4
lint
elliott-with-the-longest-name-on-github Sep 17, 2025
030b186
Merge branch 'adjust-boundary-error-message' of github.com:sveltejs/s…
elliott-with-the-longest-name-on-github Sep 17, 2025
b64b095
clean up
elliott-with-the-longest-name-on-github Sep 17, 2025
9ddf6e6
lint
elliott-with-the-longest-name-on-github Sep 17, 2025
1cdd094
Update packages/svelte/src/internal/server/types.d.ts
elliott-with-the-longest-name-on-github Sep 17, 2025
83201fd
sunset html for async
elliott-with-the-longest-name-on-github Sep 17, 2025
60a021b
types
elliott-with-the-longest-name-on-github Sep 17, 2025
25310a2
we use 'deprecated' in other messages
Rich-Harris Sep 17, 2025
65acd71
oops
Rich-Harris Sep 17, 2025
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remove unused args
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@Rich-Harris
Rich-Harris committed Sep 17, 2025
commit 69bb7b15a9effbd340e77eac28966a68f7796db6
4 changes: 2 additions & 2 deletions packages/svelte/src/internal/server/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -80,7 +80,7 @@ export function render(component, options = {}) {
}

// @ts-expect-error
component(payload, options.props ?? {}, {}, {});
component(payload, options.props ?? {});

if (options.context) {
pop();
Expand Down Expand Up @@ -138,7 +138,7 @@ export async function render_async(component, options = {}) {
}

// @ts-expect-error
component(payload, options.props ?? {}, {}, {});
component(payload, options.props ?? {});

if (options.context) {
pop();
Expand Down