sveltejs/svelte issues and pull requests

#16286 - Compiler wraps else/catch statements into comments

Issue - State: closed - Opened by TheOtterlord 5 months ago - 6 comments
Labels: compiler, blocked by upstream

#15470 - Custom renderers support

Issue - State: open - Opened by benmccann 9 months ago - 16 comments
Labels: feature request, compiler

#12151 - Svelte 5: Reintroduce `frame`/`pos`/`toString()` in compiler warnings

Issue - State: closed - Opened by Conduitry over 1 year ago
Labels: feature request, compiler

#10385 - Should warn/error if there's both implicit and explicit children

Issue - State: closed - Opened by gtm-nayan almost 2 years ago - 1 comment
Labels: compiler

#10374 - Svelte 5 $props not working with lang='ts' without types

Issue - State: closed - Opened by timscodebase almost 2 years ago - 3 comments
Labels: compiler

#10031 - Unnecessarily calling `$.stringify` on strings

Issue - State: open - Opened by benmccann almost 2 years ago - 7 comments
Labels: perf, compiler

#10015 - perf: use unchanged primitives directly in template attributes

Pull Request - State: closed - Opened by benmccann almost 2 years ago - 3 comments
Labels: perf, compiler

#10015 - perf: use unchanged primitives directly in template attributes

Pull Request - State: closed - Opened by benmccann almost 2 years ago - 3 comments
Labels: perf, compiler

#9883 - Svelte 5: $props destructing rename property incorrect

Issue - State: closed - Opened by epfn almost 2 years ago - 2 comments
Labels: bug, compiler

#9879 - Svelte 5: Keyframes list with name that appears elsewhere in `animation:` style rule breaks CSS scoping

Issue - State: closed - Opened by dm-de almost 2 years ago - 4 comments
Labels: bug, compiler, css

#9786 - Svelte 5: $ prefix is reserved for script with context=module

Issue - State: closed - Opened by mquandalle almost 2 years ago - 4 comments
Labels: bug, compiler

#9765 - Svelte 5: `:nth-child(n+1)` and `:nth-of-type(n+1)` do not compile

Issue - State: closed - Opened by kran6a almost 2 years ago - 2 comments
Labels: bug, compiler, css scope

#9755 - Svelte 5: on* event handler attribute validation rules shouldn't apply to component props

Issue - State: closed - Opened by Conduitry almost 2 years ago - 1 comment
Labels: bug, compiler

#9709 - Svelte 5: `bind:this` no longer allows dynamic `type` on `<input>`

Issue - State: closed - Opened by techniq almost 2 years ago
Labels: bug, compiler

#9686 - Svelte 5: Destructuring Assignment to a Signal Produces a Compiled Output that Interferes with Await Keyword

Issue - State: closed - Opened by levibassey about 2 years ago
Labels: bug, compiler

#9454 - Svelte 5: Literal string prop values containing double quote improperly escaped in SSR

Issue - State: closed - Opened by Conduitry about 2 years ago
Labels: bug, compiler

#9224 - `#each` key is a pitfall

Issue - State: open - Opened by brunnerh about 2 years ago - 5 comments
Labels: compiler

#9088 - Adding a comment changes the semantics of the code significantly, as well a related potential reactivity bug

Issue - State: closed - Opened by Kcwidman over 2 years ago - 7 comments
Labels: bug, compiler

#9082 - Component reactivity warning when component is dependency in reactive statement

Issue - State: closed - Opened by WarningImHack3r over 2 years ago - 3 comments
Labels: bug, compiler

#9018 - Allow `svelte:element` to render slotted content of a custom element

Issue - State: closed - Opened by ComradeCow over 2 years ago - 1 comment
Labels: compiler

#9017 - Event Handler registration & slot mounting order causes issues

Issue - State: closed - Opened by peterkogo over 2 years ago - 1 comment
Labels: compiler

#9003 - Dynamic props in svelte:component are not properly updated

Issue - State: closed - Opened by fbasso over 2 years ago - 1 comment
Labels: bug, compiler

#8850 - Add a `component` scope to transitions

Issue - State: open - Opened by oodavid over 2 years ago - 1 comment
Labels: feature request, compiler, transition/animation

#8804 - feat: add a way to compile from an AST

Pull Request - State: closed - Opened by benjamingwynn over 2 years ago - 5 comments
Labels: feature request, compiler

#8804 - feat: add a way to compile from an AST

Pull Request - State: closed - Opened by benjamingwynn over 2 years ago - 4 comments
Labels: feature request, compiler

#8559 - compiler produces invalid JS code

Issue - State: closed - Opened by ivanhofer over 2 years ago - 2 comments
Labels: bug, compiler

#8556 - Attempting to rename destructured slot variable keys results in a compilation error

Issue - State: closed - Opened by joelmukuthu over 2 years ago - 2 comments
Labels: bug, compiler

#8518 - Bug report: no error when using `@const` variable before initialization

Issue - State: open - Opened by brandonmcconnell over 2 years ago - 5 comments
Labels: bug, compiler

#8233 - `local` not applied to transition when `<svelte:element>` has dynamic tag

Issue - State: closed - Opened by jjagielka almost 3 years ago - 1 comment
Labels: bug, compiler

#8112 - Duplicate `head` elements occur when html comments are stripped

Issue - State: closed - Opened by ryans-usafacts almost 3 years ago - 11 comments
Labels: feature request, compiler

#7943 - `innerHTML` optimization is not enabled in dev mode

Issue - State: closed - Opened by baseballyama about 3 years ago - 2 comments
Labels: feature request, compiler

#7458 - Svelte throws exception due to apparent race condition when a component sets a store when first loading

Issue - State: closed - Opened by dimfeld over 3 years ago - 1 comment
Labels: bug, compiler

#7341 - `{@html ...}` tag is populated too late

Issue - State: open - Opened by Rich-Harris over 3 years ago - 6 comments
Labels: compiler

#7240 - Allow defining global to avoid 'FOO is not defined' warnings

Issue - State: closed - Opened by Prinzhorn almost 4 years ago - 10 comments
Labels: feature request, compiler

#7200 - append_styles s/b typed as an optional parameter in function init(...)

Issue - State: closed - Opened by stemcstudio almost 4 years ago
Labels: compiler

#7089 - Event-callback shorthand

Issue - State: closed - Opened by si4-mtg almost 4 years ago - 4 comments
Labels: feature request, compiler

#7036 - Ability to rename events when forwarding

Issue - State: closed - Opened by MathiasWP almost 4 years ago - 3 comments
Labels: feature request, compiler

#7009 - Exploring the use of the CSS `contain` property to reduce layout rendering times

Issue - State: closed - Opened by kevmodrome almost 4 years ago - 5 comments
Labels: feature request, perf, compiler

#6972 - Introduce `<style module>` — update: `forward` directive

Issue - State: open - Opened by aradalvand almost 4 years ago - 59 comments
Labels: feature request, compiler

#6969 - CSS container queries "@container" breaks parser

Issue - State: closed - Opened by mitchray almost 4 years ago - 28 comments
Labels: feature request, compiler

#6960 - Custom binding handlers - bind|commaSeparatedDecimal:value - bind|commaSeparatedTags:value - etc

Issue - State: closed - Opened by agrinei about 4 years ago - 1 comment
Labels: feature request, compiler

#6890 - Trojan Source Attack checks

Issue - State: closed - Opened by kevmodrome about 4 years ago
Labels: compiler

#6805 - HTML comments are being stripped from output

Issue - State: closed - Opened by ghost about 4 years ago - 15 comments
Labels: feature request, compiler

#6754 - Reassigning variable used as action should be reactive and destroy old action

Issue - State: closed - Opened by lukaszpolowczyk about 4 years ago - 6 comments
Labels: feature request, compiler

#6752 - Width of img becomes zero when using spread props

Issue - State: closed - Opened by ambarvm about 4 years ago - 7 comments
Labels: bug, compiler, runtime

#6706 - Not implemented undefined (List of Nodes in handle)

Issue - State: closed - Opened by cale-at-reify about 4 years ago - 15 comments
Labels: bug, compiler

#6661 - Subscription prop not waiting to subscribe till mounted

Issue - State: closed - Opened by techniq over 4 years ago - 5 comments
Labels: bug, compiler

#6603 - [idea] Minimal modifications in update_keyed_each

Issue - State: closed - Opened by hbirler over 4 years ago - 1 comment
Labels: perf, compiler

#6493 - Dynamic slot names

Issue - State: closed - Opened by csangonzo over 4 years ago - 22 comments
Labels: feature request, compiler

#6442 - svelte(a11y-label-has-associated-control) shows incorrectly when using if-statements

Issue - State: closed - Opened by MarcusOtter over 4 years ago - 3 comments
Labels: bug, compiler

#6254 - $$props can include the default value?

Issue - State: closed - Opened by cbbfcd over 4 years ago - 3 comments
Labels: awaiting submitter, compiler

#6076 - undefined slot props when component has slot attr

Issue - State: closed - Opened by ryu-man over 4 years ago - 6 comments
Labels: bug, compiler

#6016 - beforeUpdate called twice with bound reference

Issue - State: closed - Opened by larbear almost 5 years ago - 8 comments
Labels: bug, compiler

#5922 - Fix sliding animation on table elements in Safari

Pull Request - State: closed - Opened by chrisirhc almost 5 years ago - 6 comments
Labels: bug, compiler, transition/animation

#5604 - Feature: Let slots be wrapped in if statements to avoid "must be a child of a component" error.

Issue - State: closed - Opened by ghost about 5 years ago - 46 comments
Labels: feature request, popular, compiler

#5517 - Get access to a component's own class in the script and script module ("$$self" or else)

Issue - State: open - Opened by pushkine about 5 years ago - 14 comments
Labels: feature request, compiler

#5312 - $$slots with conditional/reactive content?

Issue - State: closed - Opened by icalvin102 over 5 years ago - 10 comments
Labels: feature request, compiler

#5281 - Warnings: Add info if warning can be ignored

Issue - State: closed - Opened by dummdidumm over 5 years ago - 5 comments
Labels: compiler

#5240 - fix: Set element's value attribute to default empty string if nothing is provided

Pull Request - State: closed - Opened by asvsfs over 5 years ago - 8 comments
Labels: compiler

#5240 - fix: Set element's value attribute to default empty string if nothing is provided

Pull Request - State: closed - Opened by asvsfs over 5 years ago - 8 comments
Labels: compiler

#5198 - Allow attributes on the `<title>` element

Issue - State: open - Opened by romaricpascal over 5 years ago - 5 comments
Labels: feature request, stale-bot, compiler, temp-stale

#4982 - svelte:head repeated in SSR possibly due to bindings/$$settled logic

Issue - State: closed - Opened by gushogg-blake over 5 years ago - 4 comments
Labels: needs repro, stale-bot, compiler, temp-stale

#4929 - Prevent unnecessary store subscriptions

Issue - State: closed - Opened by Rich-Harris over 5 years ago - 5 comments
Labels: feature request, stale-bot, compiler, temp-stale

#4818 - Make parser more robust / error forgiving

Issue - State: closed - Opened by dummdidumm over 5 years ago - 8 comments
Labels: feature request, compiler

#4535 - Surgically update objects without causing mass reactivity

Issue - State: closed - Opened by purebordem over 5 years ago - 19 comments
Labels: feature request, awaiting submitter, compiler, temp-stale

#4467 - undefined value on input and other elements

Issue - State: closed - Opened by PatrickG almost 6 years ago - 6 comments
Labels: bug, compiler

#4017 - Instrumented `$foo= bar;` doesn't need to update `$foo` variable

Issue - State: closed - Opened by Conduitry almost 6 years ago - 4 comments
Labels: bug, compiler, temp-stale

#4006 - Stateless lightweight components

Issue - State: closed - Opened by lgirma about 6 years ago - 10 comments
Labels: feature request, perf, popular, compiler

#3898 - More efficient fragment creation

Issue - State: closed - Opened by Rich-Harris about 6 years ago - 33 comments
Labels: perf, popular, compiler

#3793 - vars not reported as reassigned/mutated when directly done in template

Issue - State: closed - Opened by Conduitry about 6 years ago - 5 comments
Labels: bug, compiler, temp-stale

#3760 - Opting for a smaller bundle size by treating dynamic strings as one unit

Issue - State: closed - Opened by carpben about 6 years ago - 2 comments
Labels: feature request, perf, compiler

#3750 - Revisit setAttribute vs setting properties

Issue - State: closed - Opened by Rich-Harris about 6 years ago - 1 comment
Labels: perf, stale-bot, compiler, temp-stale

#3553 - $$invalidate call not inlined

Issue - State: closed - Opened by dasZGFz about 6 years ago - 6 comments
Labels: stale-bot, compiler, temp-stale

#2886 - simplify safe_not_equal and not_equal?

Issue - State: open - Opened by Rich-Harris over 6 years ago - 10 comments
Labels: compiler

#1686 - SSR/DOM rendering discrepancy

Issue - State: closed - Opened by Rich-Harris over 7 years ago - 2 comments
Labels: feature request, stale-bot, compiler

#1102 - Whole-app optimisation

Issue - State: open - Opened by Rich-Harris almost 8 years ago - 11 comments
Labels: feature request, popular, compiler

#780 - Remove rendering code for static component with hydration

Issue - State: closed - Opened by PaulBGD over 8 years ago - 5 comments
Labels: feature request, perf, compiler

#646 - Optimising at the AST level

Issue - State: closed - Opened by Rich-Harris over 8 years ago - 2 comments
Labels: feature request, perf, compiler

#189 - Better whitespace handling

Issue - State: closed - Opened by Rich-Harris almost 9 years ago - 60 comments
Labels: feature request, compiler

#14 - Collapse consecutive text nodes

Issue - State: closed - Opened by Rich-Harris about 9 years ago - 4 comments
Labels: perf, compiler

GitHub / sveltejs/svelte issues and pull requests