sveltejs/svelte issues and pull requests

#15883 - Support TypeScript generics on snippets

Issue - State: closed - Opened by WarningImHack3r 7 months ago - 5 comments
Labels: feature request, types / typescript

#15470 - Custom renderers support

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

#14804 - Static support for `$state` in `.svelte.ts`

Issue - State: open - Opened by Bilge 12 months ago - 15 comments
Labels: feature request, runes

#14791 - Inline Svelte components for tests

Issue - State: open - Opened by sureshjoshi 12 months ago - 8 comments
Labels: feature request

#13728 - Svelte 5: Run outro transition on `unmount`

Issue - State: closed - Opened by typhonrt about 1 year ago - 5 comments
Labels: feature request

#13331 - Better error for invalid HTML

Issue - State: closed - Opened by Rich-Harris about 1 year ago - 4 comments
Labels: feature request

#13266 - Track binding values

Issue - State: open - Opened by Rich-Harris about 1 year ago
Labels: feature request

#13256 - Better effect stack logging

Issue - State: open - Opened by Rich-Harris about 1 year ago
Labels: feature request

#12980 - Svelte 5: make `filename` option mandatory

Issue - State: closed - Opened by Rich-Harris over 1 year ago - 1 comment
Labels: feature request

#12925 - Error on invalid tag names

Issue - State: closed - Opened by Rich-Harris over 1 year ago
Labels: feature request

#12668 - Svelte 5: deprecate `<svelte:component>`

Issue - State: closed - Opened by Rich-Harris over 1 year ago - 8 comments
Labels: feature request

#12637 - `<script context="module">` -> `<script module>`

Issue - State: open - Opened by Rich-Harris over 1 year ago
Labels: feature request

#12624 - Distinguish between properties and attributes on custom elements

Issue - State: open - Opened by Rich-Harris over 1 year ago
Labels: feature request

#12516 - Svelte 5: client-side `render` function

Issue - State: open - Opened by Rich-Harris over 1 year ago
Labels: feature request

#12434 - Svelte 5: decide on behaviour of `$state.frozen`

Issue - State: closed - Opened by Rich-Harris over 1 year ago - 39 comments
Labels: feature request

#12378 - Warn on unused data

Issue - State: open - Opened by Rich-Harris over 1 year ago
Labels: feature request

#12362 - Dev-time check for `{@html ...}` mismatch

Issue - State: closed - Opened by Rich-Harris over 1 year ago - 10 comments
Labels: feature request

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

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

#12112 - Rename `legacy.componentApi` to `compatibility.classComponent`

Issue - State: closed - Opened by Rich-Harris over 1 year ago - 1 comment
Labels: feature request

#11702 - Nested `:global` selectors

Issue - State: closed - Opened by Rich-Harris over 1 year ago - 7 comments
Labels: feature request

#11536 - Allow more flexible glob matchers for runic js/ts modules

Issue - State: closed - Opened by Hugos68 over 1 year ago - 10 comments
Labels: feature request

#11502 - Svelte 5: differentiate between supported and unsupported TypeScript features

Issue - State: open - Opened by Rich-Harris over 1 year ago
Labels: feature request

#11358 - Svelte 5: $state with computed properties + symbol (identifier) table

Issue - State: closed - Opened by fcrozatier over 1 year ago - 9 comments
Labels: feature request

#11055 - Svelte 5: optimise prop access

Issue - State: closed - Opened by Rich-Harris over 1 year ago
Labels: feature request

#11046 - Fire synthetic `load` events for hydrated elements

Issue - State: open - Opened by Rich-Harris over 1 year ago
Labels: feature request

#11022 - Svelte 5: `$host()` rune for custom elements

Issue - State: closed - Opened by Rich-Harris over 1 year ago
Labels: feature request

#10352 - Svelte 5: onerror event is not called on img element

Issue - State: closed - Opened by HighFunctioningSociopathSH almost 2 years ago - 7 comments
Labels: feature request

#10350 - Svelte 5: Access snippets from context module

Issue - State: closed - Opened by scampos-s3d almost 2 years ago - 2 comments
Labels: feature request

#10341 - Callback on render finish

Issue - State: closed - Opened by netcodedev almost 2 years ago - 2 comments
Labels: feature request

#10334 - Rename `$derived.call` to `$derived.lazy`

Issue - State: closed - Opened by Rich-Harris almost 2 years ago - 67 comments
Labels: feature request

#10236 - Svelte 5: Add property change hook

Issue - State: open - Opened by brunnerh almost 2 years ago - 8 comments
Labels: feature request

#9173 - Debounced Binding

Issue - State: closed - Opened by webJose over 2 years ago - 5 comments
Labels: feature request

#9149 - Support `<template>` as custom element root for class directives, event handlers etc

Issue - State: open - Opened by willnationsdev over 2 years ago
Labels: feature request, custom element

#8987 - context api not working with custom-elements

Issue - State: open - Opened by pascalvos over 2 years ago - 5 comments
Labels: feature request, custom element, docs

#8963 - Allow slot content in custom elements when shadow root is disabled/false

Issue - State: open - Opened by patricknelson over 2 years ago
Labels: feature request, custom element

#8949 - Binding focus state to elements

Issue - State: closed - Opened by Maximinodotpy over 2 years ago - 15 comments
Labels: feature request, good first issue

#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 - 4 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 - 5 comments
Labels: feature request, compiler

#8636 - Should Svelte/SvelteKit expose which versions are running?

Issue - State: closed - Opened by Rich-Harris over 2 years ago - 41 comments
Labels: feature request

#8401 - Multiple variabels in `{#key}`

Issue - State: open - Opened by Addeuz over 2 years ago - 4 comments
Labels: feature request

#8313 - Provide types for forms using static analysis

Issue - State: open - Opened by LorisSigrist almost 3 years ago - 2 comments
Labels: feature request, typescript

#8285 - svelte:window bind:devicePixelRatio

Issue - State: closed - Opened by ion1 almost 3 years ago - 1 comment
Labels: feature request

#8235 - Why are css comments being stripped out?

Issue - State: closed - Opened by shirotech almost 3 years ago - 12 comments
Labels: feature request

#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

#7712 - Allow specifying non-special bindings as readonly

Issue - State: open - Opened by benjamingwynn over 3 years ago - 28 comments
Labels: feature request, awaiting submitter

#7630 - Support for logical not ! operator in binding to boolean values

Issue - State: closed - Opened by thisispete over 3 years ago - 5 comments
Labels: feature request

#7620 - A way to suppress outros for all descendents of a component

Issue - State: open - Opened by CherryDT over 3 years ago - 1 comment
Labels: feature request, runtime, transition/animation

#7596 - Allow web components to bind to the parent form

Issue - State: closed - Opened by chrisolsen over 3 years ago - 3 comments
Labels: feature request, custom element

#7520 - Provide current value of store in second argument of stores

Issue - State: closed - Opened by stephane-vanraes over 3 years ago - 5 comments
Labels: feature request, runtime

#7517 - SSR-safe ID generation

Issue - State: closed - Opened by illright over 3 years ago - 15 comments
Labels: feature request

#7456 - `/* */` comments don't work in inline functions

Issue - State: closed - Opened by DetachHead over 3 years ago - 9 comments
Labels: feature request, PRs welcome

#7437 - Feature Suggestion: Improve versatility of `<svelte:component>` and `<svelte:element>` by treating them as a `<svelte:fragment>` when the `this` prop value is present but is a falsy or nullish value

Issue - State: closed - Opened by brandonmcconnell over 3 years ago - 10 comments
Labels: feature request

#7425 - Allow `#each` block to handle arbitrary non array like iterables

Issue - State: open - Opened by joeally over 3 years ago - 20 comments
Labels: feature request

#7349 - Use alternate in and out transition values using an array

Issue - State: open - Opened by GavHern almost 4 years ago - 1 comment
Labels: feature request, transition/animation

#7294 - Dynamic conditional CSS classes

Issue - State: closed - Opened by janosh almost 4 years ago - 8 comments
Labels: feature request

#7265 - Add property pipes/transforms

Issue - State: closed - Opened by brunnerh almost 4 years ago - 6 comments
Labels: feature request

#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

#7230 - more jsdoc documentation for runtime parts

Issue - State: open - Opened by ehsan2003 almost 4 years ago - 8 comments
Labels: feature request, good first issue, docs

#7193 - Provide the default store implementations as classes

Issue - State: closed - Opened by ponderingexistence almost 4 years ago - 6 comments
Labels: feature request, runtime

#7170 - Allow multiple classes in class: directive

Issue - State: closed - Opened by Bastian almost 4 years ago - 35 comments
Labels: feature request

#7157 - Apply transition modifier local conditionally

Issue - State: open - Opened by janosh almost 4 years ago - 1 comment
Labels: feature request, transition/animation

#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 about 4 years ago - 59 comments
Labels: feature request, compiler

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

Issue - State: closed - Opened by mitchray about 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

#6942 - Allow directives (actions/transitions/animations) to be more dynamic

Issue - State: open - Opened by dummdidumm about 4 years ago - 3 comments
Labels: feature request, runtime

#6882 - Styling single element components while retaining element API

Issue - State: open - Opened by philholden about 4 years ago - 5 comments
Labels: feature request

#6825 - No error for missing directives `=`

Issue - State: open - Opened by babakfp about 4 years ago - 2 comments
Labels: feature request

#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

#6493 - Dynamic slot names

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

#6469 - `a11y-label-has-associated-control` error for control inside of component

Issue - State: closed - Opened by nikmolnar over 4 years ago - 7 comments
Labels: feature request, stale-bot

#6132 - Split utility function out of crossfade transition

Issue - State: open - Opened by WaltzingPenguin over 4 years ago - 3 comments
Labels: feature request, runtime

#6115 - Add info like stop and the fired store to cleanup an async derived store

Issue - State: closed - Opened by voscausa over 4 years ago - 5 comments
Labels: feature request, stale-bot

#6085 - Short syntax string parameter for directives

Issue - State: closed - Opened by sondh0127 over 4 years ago - 2 comments
Labels: feature request, temp-stale

#5903 - Component event and prop names too permissive

Issue - State: closed - Opened by pushkine almost 5 years ago - 9 comments
Labels: feature request, needs discussion

#5869 - render Svelte components inside shadow dom

Issue - State: closed - Opened by ivanhofer almost 5 years ago - 9 comments
Labels: feature request

#5658 - Feature Request: improve shorthand attribute syntax

Issue - State: closed - Opened by Enteleform about 5 years ago - 3 comments
Labels: feature request

#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

#5506 - Add context to block function names in dev mode to ease debugging

Issue - State: closed - Opened by pushkine about 5 years ago - 3 comments
Labels: feature request, stale-bot, temp-stale

#5505 - Action objects lose contextual this

Issue - State: closed - Opened by pushkine about 5 years ago - 2 comments
Labels: feature request, stale-bot, temp-stale

#5504 - Allow specifying stub document object for svelte runtime

Issue - State: closed - Opened by kim366 about 5 years ago - 3 comments
Labels: feature request, stale-bot, temp-stale

#5501 - Top-level await

Issue - State: closed - Opened by joas8211 about 5 years ago - 51 comments
Labels: feature request

#5346 - Built-in support for respecting the `prefers-reduced-motion` flag with animations/transitions

Issue - State: closed - Opened by rdmurphy over 5 years ago - 12 comments
Labels: feature request

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

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

#5292 - Preprocessing tries to process style string within script section

Issue - State: open - Opened by brunnerh over 5 years ago - 16 comments
Labels: feature request, awaiting submitter, stale-bot

#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

#5137 - Binding spread attributes

Issue - State: open - Opened by RiseNet-Web over 5 years ago - 7 comments
Labels: feature request

#5106 - Support for "High Order Component" / Wrapper / Forwarding

Issue - State: open - Opened by j3rem1e over 5 years ago - 7 comments
Labels: feature request, temp-stale

#4990 - De-duplication of meta tags in head

Issue - State: closed - Opened by antony over 5 years ago - 21 comments
Labels: feature request, awaiting submitter, stale-bot

#4931 - Unsubscribing last subscriber twice from a writable store runs `null()`

Issue - State: closed - Opened by pushkine over 5 years ago - 4 comments
Labels: feature request, stale-bot

#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

#4891 - Expose runtime types in Svelte

Issue - State: closed - Opened by philholden over 5 years ago - 6 comments
Labels: feature request, stale-bot, temp-stale

#4858 - Mixing dev and prod builds

Issue - State: closed - Opened by j3rem1e over 5 years ago - 11 comments
Labels: feature request, awaiting submitter, stale-bot

#4818 - Make parser more robust / error forgiving

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

GitHub / sveltejs/svelte issues and pull requests