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Author	SHA1	Message	Date
paoloricciuti	6d75398b47	chore: add ability to hydrate dom custom renderers samples	5 days ago
paoloricciuti	d395fc15d1	fix: update test renderer to output actual dom nodes when interleaving	5 days ago
paoloricciuti	0e942acab2	feat: accept `foreign` object in custom renderer to determine how to interleave custom renderers	5 days ago
paoloricciuti	607ee25071	fix: store `segments` and use them to remove nodes when interleaving is happening	5 days ago
paoloricciuti	b84a399d5b	chore: create error for missing foreign	5 days ago
paoloricciuti	c64b15a3c0	fix: push renderer before executing a snippet	5 days ago
paoloricciuti	328695caf4	fix: wrap implicit children snippets in `renderer_snippet`	5 days ago
paoloricciuti	2811fa4347	fix: set null renderer for snippets created by DOM components	5 days ago
paoloricciuti	8488762552	fix: make sure pop renderer is always before `return`	5 days ago
paoloricciuti	879d544abb	fix: always validate snippets if custom renderer is enabled	5 days ago
paoloricciuti	a1bf283aca	fix: store and restore parent renderer in effect	5 days ago
paoloricciuti	77ff56da86	fix: skip single node optimization in custom renderer	5 days ago
paoloricciuti	a180976a23	Merge remote-tracking branch 'origin/main' into svelte-custom-renderer	5 days ago
paoloricciuti	be0640be87	fix: styles with semicolons	5 days ago
paoloricciuti	1e5dc328cd	fix: better `customRenderer` validation	5 days ago
paoloricciuti	9b97b7fbf7	fix: try finally pop render	5 days ago
Bao Nguyen	5895c637b0	fix: recognise `aria-braillelabel` and `aria-brailleroledescription` as known ARIA attributes (#18765)	1 week ago
JY Wey	9e69544238	fix: in non-async mode, only push variable to current_sources when active_reaction is updating (#18550) ... fix: #16814 in non-async mode, when the derived inside `SvelteDate` is created and evaluated, the `#reaction` is from the `active_reaction` when the `SvelteDate` instance is created, which could possible in NON_UPDATING state, so the derived should not be added to `current_sources` to prevent re-run. --------- Co-authored-by: Simon H <5968653+dummdidumm@users.noreply.github.com> Co-authored-by: Simon Holthausen <simon.holthausen@vercel.com>	1 week ago
Simon H	6f7857af59	chore: compiler profiling + parser bench (#18767) ... Used these to speed up parsing/find compilation bottlenecks. Useful for later analysis therefore committing it.	1 week ago
paoloricciuti	17e37a51bc	Merge remote-tracking branch 'origin/main' into svelte-custom-renderer	1 week ago
Bao Nguyen	4bf15ae6f3	fix: throw when `setContext` is called after an `await` during SSR (#18739) ... Fixes #17233.	1 week ago
Simon H	9d91a40faf	chore: bump packages (#18752) ... esrap bump ensures a bugfix, devalue silences vulnerability reports	1 week ago
Simon H	b580455c9c	fix: serialize input default values during SSR (#18733) ... Alternative to #18452 --------- Co-authored-by: svelte-triage-bot <team@svelte.com>	1 week ago
Simon H	b2c22ab66d	chore: add regression test for teardown value behavior (#18751) ... #18746 would've introduced a bug that makes this test fail. Add it now so we don't regress in the future	1 week ago
Simon H	b1142efe96	perf: speed up parser a little bit (#18736) ... ~5% in local benchmarks by avoiding regex in some places	1 week ago
Nic Polumeyv	34142af3a1	perf: build identifier and member chain expressions without acorn (#18740) ... After #18738 the biggest thing left in the parser profile was acorn's constructor, `getOptions` and `wordsRegexp` alone were around 12% of parse time. `parseExpressionAt` is `new Parser()` followed by `parseExpression()`, and we call it for every expression in the template. For something like `{name}` the constructor (normalizing options, four keyword regexes, scope state) is about 2 µs while the actual parse is under 1 µs, and components have dozens of these. The fix seemed to belong in acorn, cache the options and regexes so repeated `parseExpressionAt` calls stop redoing them. I lasted about twenty minutes in acorn's constructor... I was way in over my head. The Svelte alternative was one parser per component, reset between expressions, but that means re-initializing acorn's and acorn-typescript's internals by hand and breaking whenever either adds a field. I realized most of the expressions in the test corpus are an identifier or an `a.b.c` chain, and you don't need a JS parser for those. So that's this fix. `read_expression` now scans for that shape, builds the nodes itself in the form acorn would, and hands everything else to acorn like before.No behavior change, verified byte-for-byte against acorn on the test corpus. About 18% faster parsing on typical components on top of #18738. I guess this should be a fix for acorn, rather than here, so I'm not against closing this. --------- Co-authored-by: Simon H <5968653+dummdidumm@users.noreply.github.com> Co-authored-by: Simon Holthausen <simon.holthausen@vercel.com>	1 week ago
Nic Polumeyv	504a7536c6	perf: stop scanning the whole template for every expression (#18738) ... Parsing a 90 KB component drops from 460 ms to 35 ms; typical components parse ~30% faster. `read_pattern` blanked out the entire template before the pattern with `replace(/[^\n]/g, ' ')` to keep positions aligned, and `acorn.parseExpressionAt` re-counted lines from the top of the file on every call. Acorn never looks before `pos`, so the real template can be the prefix, and acorn 8.18's `startLocation` takes the line we already have from the locator. The blanking also had `loc.column` off by one for every node inside a destructured pattern (noted in #18087), hence the snapshot updates.	1 week ago
paoloricciuti	128023f08b	Merge remote-tracking branch 'origin/main' into svelte-custom-renderer	1 week ago
svelte-triage-bot[bot]	214dd3d005	fix: cancel deferred event listener attachment (#18749) ... Fixes #18748	1 week ago
github-actions[bot]	7bc0a70fe6	Version Packages (#18682) ... 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 ## svelte@5.57.0 ### Minor Changes - feat: export `RenderOutput`, `SyncRenderOutput`, `Csp` and `Sha256Source` from `svelte/server` ([#18648](https://github.com/sveltejs/svelte/pull/18648)) - feat: add `has` function to `createContext` ([#18472](https://github.com/sveltejs/svelte/pull/18472)) - feat: support `defaultValue` on `<select>` ([#18591](https://github.com/sveltejs/svelte/pull/18591)) - feat: add getOrInsert/getOrInsertComputed to SvelteMap ([#18728](https://github.com/sveltejs/svelte/pull/18728)) ### Patch Changes - fix: block template store subscriptions on the promise that assigns the store ([#18582](https://github.com/sveltejs/svelte/pull/18582)) - fix: route $derived teardown errors through invoke_error_boundary ([#18486](https://github.com/sveltejs/svelte/pull/18486)) - fix: track SvelteDate snapshots in reactions ([#18700](https://github.com/sveltejs/svelte/pull/18700)) - fix: remove `<svelte:head>` anchors on unmount ([#18697](https://github.com/sveltejs/svelte/pull/18697)) - fix: warn on undeclared shorthand event handlers on `<svelte:window>`, `<svelte:document>` and `<svelte:body>` ([#18480](https://github.com/sveltejs/svelte/pull/18480)) - perf: reuse the cached value in the `<option>`/`<select>` value guard ([#18713](https://github.com/sveltejs/svelte/pull/18713)) - fix: prevent malformed AST output for `<select>` with static `value` attribute ([#18449](https://github.com/sveltejs/svelte/pull/18449)) - fix: apply ownership mutation ignores to binding assignments ([#18718](https://github.com/sveltejs/svelte/pull/18718)) - fix: prevent onoutroend from firing twice when compilerOptions.hmr is true ([#18655](https://github.com/sveltejs/svelte/pull/18655)) - fix: preserve whitespace after inline elements when printing ([#18685](https://github.com/sveltejs/svelte/pull/18685)) - perf: fold SSR block-open markers into the branch's first push ([#18712](https://github.com/sveltejs/svelte/pull/18712)) - fix: run `onDestroy` callbacks when a server render throws ([#18585](https://github.com/sveltejs/svelte/pull/18585)) - fix: report `derived_invalid_export` for `export let x = $derived(...)` in runes mode ([#18692](https://github.com/sveltejs/svelte/pull/18692)) - fix: never apply class hash to elements inside `<svelte:head>` ([#18160](https://github.com/sveltejs/svelte/pull/18160)) - fix: keep `defaultChecked` on hydrated radio inputs with spread attributes ([#18701](https://github.com/sveltejs/svelte/pull/18701)) - fix: accept `onfocusin`/`onfocusout` in `a11y_mouse_events_have_key_events` ([#18689](https://github.com/sveltejs/svelte/pull/18689)) - perf: O(n²)→O(n) Map lookups for legacy `$:` reactive statement ordering ([#18602](https://github.com/sveltejs/svelte/pull/18602)) - fix: distinct memoizer on style/class directives ([#18466](https://github.com/sveltejs/svelte/pull/18466)) - fix: measure nested transitions before applying their starting styles ([#18647](https://github.com/sveltejs/svelte/pull/18647)) - fix: don't turn component instances stored in `$state` into state proxies ([#18646](https://github.com/sveltejs/svelte/pull/18646)) - perf: emit `$.only_child` for elements with a single child ([#18717](https://github.com/sveltejs/svelte/pull/18717)) - fix: omit `bind:focused` from SSR output (it has no HTML attribute) ([#18724](https://github.com/sveltejs/svelte/pull/18724)) - fix: more robust rendering of Svelte custom element slots ([#18710](https://github.com/sveltejs/svelte/pull/18710)) - perf: optimize simple object destructuring in `@const` tags ([#18390](https://github.com/sveltejs/svelte/pull/18390)) - fix: properly apply static textarea value attribute during CSR ([#18727](https://github.com/sveltejs/svelte/pull/18727)) - fix: end a restored reaction context at the end of its synchronous segment ([#18694](https://github.com/sveltejs/svelte/pull/18694)) - fix: keep the dependencies of a reaction that throws, so deriveds it read are neither leaked nor stuck in their error ([#18703](https://github.com/sveltejs/svelte/pull/18703)) - fix: don't resurrect outroing elements when an ancestor block is paused and resumed ([#18431](https://github.com/sveltejs/svelte/pull/18431)) - perf: use `$.comment()` for single-comment templates ([#18714](https://github.com/sveltejs/svelte/pull/18714)) - chore: move `@types/trusted-types` to devDependencies ([#18730](https://github.com/sveltejs/svelte/pull/18730)) - perf: store setters cache as `Set` instead of `Array` ([#18251](https://github.com/sveltejs/svelte/pull/18251)) - fix: transform derived assignments and select function bindings correctly during server-side rendering ([#18669](https://github.com/sveltejs/svelte/pull/18669)) - fix: keep boolean attributes with an empty string value when rendering attribute objects on the server ([#18721](https://github.com/sveltejs/svelte/pull/18721)) - fix: sync `SvelteURL` port signal when the protocol setter clears the port ([#18705](https://github.com/sveltejs/svelte/pull/18705)) - fix: block declaration tags and `{@const}` on async values read inside closures ([#18533](https://github.com/sveltejs/svelte/pull/18533)) - fix: avoid css tree-shaking for exported Snippet ([#18540](https://github.com/sveltejs/svelte/pull/18540)) - perf: treat `<img loading>` as a static element again ([#18711](https://github.com/sveltejs/svelte/pull/18711)) - fix: prevent `selectedcontent` mutation from changing the selected option ([#18495](https://github.com/sveltejs/svelte/pull/18495)) - fix: avoid `NaN` keyframe values in `slide` transition for elements without a layout box ([#18430](https://github.com/sveltejs/svelte/pull/18430)) - fix: preserve line feed character references in attribute values ([#18691](https://github.com/sveltejs/svelte/pull/18691)) - fix: decode uppercase-`X` hex numeric character references (`&#X...;`) ([#18708](https://github.com/sveltejs/svelte/pull/18708)) - chore: clarify when `$effect.pre` runs relative to DOM updates ([#18534](https://github.com/sveltejs/svelte/pull/18534)) - fix: scope SSR boundary failed snippets to their boundary ([#18593](https://github.com/sveltejs/svelte/pull/18593)) Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>	2 weeks ago
Nic Polumeyv	6374a2a0db	chore: move `@types/trusted-types` to devDependencies (#18730) ... Only referenced by a JSDoc `@import` in `src/internal/client/dom/blocks/html.js`; nothing in the published `types/index.d.ts` uses it, so consumers do not need it installed.	2 weeks ago
paoloricciuti	e20068fdbf	Merge remote-tracking branch 'origin/main' into svelte-custom-renderer	2 weeks ago
Adnane Taghi	4ae5eb3f23	feat: add has function to createContext (#18472) ... closes #18471. --------- Co-authored-by: Simon Holthausen <simon.holthausen@vercel.com>	2 weeks ago
Simon H	5034b59e9e	chore: bump playwright (#18729) ... supports later ubuntu versions	2 weeks ago
Simon H	74197ccbe1	feat: add getOrInsert/getOrInsertComputed to SvelteMap (#18728) ... Closes #18014	2 weeks ago
Simon H	edbe11ebc9	fix: properly apply static textarea value attribute during CSR (#18727) ... Fixes #18574 Simpler alternative to #18627 - we just special-case this in the "should this be treated as a dynamic attribute" branches so `$.set_value(...)` is always generated. Given how edge-case-y this is (why would you not just write it into the body of the textarea?) this is fine.	2 weeks ago
Xia Chao	05b69164d1	fix: omit bind:focused from SSR output (#18724) ... --------- Co-authored-by: Xia Chao <236466140+bun-unsafe@users.noreply.github.com> Co-authored-by: Simon H <5968653+dummdidumm@users.noreply.github.com>	2 weeks ago
paoloricciuti	0c1166935b	chore: fix snapshot	2 weeks ago
paoloricciuti	d2ec9dbebf	chore: update upstream fixes to be custom renderer aware	2 weeks ago
paoloricciuti	af6419bd15	Merge remote-tracking branch 'origin/main' into svelte-custom-renderer	2 weeks ago
Simon H	08c2a72907	chore: set Vitest reporter for github actions (#18722) ... test failures show up really bad now, minimal is way better for github actions	2 weeks ago
Nic Polumeyv	7c6f36aa92	fix: keep boolean attributes with an empty string value when rendering attribute objects on the server (#18721) ... `<input disabled="" {...props}>` and any other boolean attribute written as `""` now renders on the server the way it does on the client and in plain markup.	2 weeks ago
Nic Polumeyv	2e8b57bc58	fix: render `selected` options for `<select multiple>` with an array `value` on the server (#18720) ... Follow-up to #18591. --------- Co-authored-by: Simon Holthausen <simon.holthausen@vercel.com>	2 weeks ago
Nic Polumeyv	864de81bb6	fix: keep the current selection of a `<select>` when its `defaultValue` is applied (#18719) ... Also ensure init_select isn't called multiple times Follow-up to #18591.	2 weeks ago
Nic Polumeyv	4d5139552d	fix: block declaration tags on async values read inside closures (#18533) ... Fixes #18469 Declaration tags collect blockers from `metadata.expression.dependencies`, which only sees eager reads, so a `$derived` reading an async declaration inside a closure gets no blocker and evaluates while the value is still `undefined`. Align with template expressions which already collect blockers from `references` --------- Co-authored-by: Simon H <5968653+dummdidumm@users.noreply.github.com> Co-authored-by: Simon Holthausen <simon.holthausen@vercel.com>	2 weeks ago
Rich Harris	aadc97ce1b	fix: simplify boundary error handling and handle hydration errors correctly (#18539) ... remove the `catch` clause in `this.#run` - in two locations there's already a catch, and in the hydration-location we have to add special handling for hydration errors. --------- Co-authored-by: Simon Holthausen <simon.holthausen@vercel.com>	2 weeks ago
Sushanth012	bfc9b65b3d	docs: clarify mounting components with context (#18515) ... Closes #18462.	2 weeks ago
Bao Nguyen	0f458d5aba	fix: report `derived_invalid_export` for `export let x = $derived(...)` (#18692) ... Fixes #15842 Run the more targeted validations first --------- Co-authored-by: Simon Holthausen <simon.holthausen@vercel.com>	2 weeks ago
Khaled Waleed	955b701df2	fix: measure nested transitions before applying their starting styles (#18647) ... Fixes #18421 (regression from #16035, which re-broke the #4784 scenario). Since #16035 the dummy delay animation runs with `fill: 'forwards'`, so an intro's `t = 0` styles (for `slide`, `height: 0`) apply the moment the transition is created and stay applied until the real animation starts a frame later. Transition functions of other elements in the same batch run after that and measure a collapsed DOM. With nested intros (the TreeView from the issue), intro effects run deepest-first, so every ancestor's `slide` captures a height where its children are pinned at 0. On the issue's REPL every `<ul>` animates `0px -> 36px` (the height of a single row) and then jumps to its real size when the animation finishes, which is the "children pop out" behavior from #4784. The fix waits one microtask before applying the initial styles and creating the dummy, the same way deferred transitions (`crossfade`) already work in `animate()`. Everything in the batch measures the DOM first; the microtask still runs before the next paint, so elements never render unstyled and the #14732 behavior is preserved. Verified in a real browser that a delayed intro (`delay: 300`) stays held at `height: 0` for the whole delay, including the first painted frame. Most of the diff is the existing dummy/onfinish block moving into `queue_micro_task`; hiding whitespace shows the actual change.	2 weeks ago
svelte-triage-bot[bot]	c7d8233a5c	fix: apply ownership mutation ignores to bindings (#18718) ... Fixes #18715. Copy ignore comment info to the generated assignment so it's recognized later --------- Co-authored-by: svelte-triage-bot <team@svelte.com> Co-authored-by: Simon Holthausen <simon.holthausen@vercel.com>	2 weeks ago