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Svelte changelog

1.39.1

Always use anchors for slotted content (#822)
Prevent ES6 in helpers (#838)
Correctly determine whether to use timeRangesToArray (#837)

1.39.0

Always attach fragment to shadow root (#821)
Add buffered, seekable, played bindings to media elements (#819)
Quote class properties in legacy mode (#830)
Warn on missing lang attribute on <html> (#828)

1.38.0

Compile-time a11y warnings (#815)
Remove redundant input blowback guards (#645)
Use component name in debugging messages (#781)

1.37.0

Experimental support for compiling to custom elements (#797)

1.36.0

Optimize style attributes where possible (#455)

1.35.0

set and get continue to work until destroy is complete (#788)
Observers of unchanged bound values don't fire incorrectly (#804)
Nested components with slotted content render correctly in SSR mode (#801)
More efficient rendering of raw and slotted content (#637)
Handle unquoted attributes in attribute selectors (#798)

1.34.0

Support nested <slot> elements (#790)
Attach options to instance (#550, #777)
Error if transitions are applied to component (#791)
Handle CSS variables in <style> tag (#757)

1.33.0

Replace {{yield}} with <slot> — adds fallback content named slots, and options.slots (#763)

1.32.0

Allow anchor initialisation option, alongside target (#784)
Remove leading CSS selectors safely (#783)

1.31.0

Add legacy compile option, which adds IE9 compatibility (#773)

1.30.0

Update all component bindings simultaneously (#760)
Fix @keyframes atrules with from and to selectors (#774)

1.29.3

Only recompute tag and attribute values if they could have changed (#768)
Fix CSS scoping with multiple levels of descendant selectors (#767)

1.29.2

Preserve space before non-parenthesized media query expression (#759)
Call create() on new iterations of static each blocks (#762)
Use change events as well as input events to bind range inputs (#740)

1.29.1

Replace set and destroy with noop when component is destroyed (#744)

1.29.0

Add static setup method (#578)
Hoist if block selectors (#751)
More sigil escaping fixes (#750)

1.28.1

Fix unescaping of special words in SSR mode (#741)

1.28.0

Support ref:foo as a CSS selector (#693)
Prevent magic-string bugs by only minifying CSS combinators if cascade: false (#743)
Don't throw an error if component is destroyed twice (#643)

1.27.0

Minify CSS and remove unused styles (#697)
Optimize ternary expressions when excluding unused CSS (#696)
Clear refs after ondestroy callbacks fire (#706)
Prevent certain forms of component binding blowback (#721)
Use helper to encapsulate styles (#375)
Event propagation shorthand — on:foo equals on:foo='fire("foo", event) (#638)
Allow refs.* in event handlers, and validate them (#686)

1.26.2

Unescape # characters (#722)

1.26.1

Fix select binding regression (#724)

1.26.0

Enforce correct order of operations when initialising (#708 and #714)
Ensure data is up-to-date when re-rendering yield block (#711)
Fix unescaping of strings, preserve at-rules in CSS (#712)
Preserve whitespace at end of each blocks (#713)

1.25.1

Better CSS sourcemaps (#716)

1.25.0

Fix hoisted event handlers (#699)
Fire intro.start and outro.start events (#702)
Preserve order of components in keyed each blocks (#700)
Add cssMap property to compiler output (#698)

1.24.0

Deconflict names with imports in SSR compiler (#655)
Improved transition performance (#670)
Run transitions on initial render (#651)
Add dev mode warning if hydrate is true but hydratable was false (#664)
Manipulate sourcemap to make missing loop values obvious (#683)
Only add CSS scoping attributes where necessary (#679)
Warn on unused CSS selectors (#678)
Fix <select> binding in loop (#685)
Prevent bindings from calling oncreate functions prematurely (#694)
Simpler codegen (#673)

1.23.4

Don't recreate if blocks incorrectly (#669)

1.23.3

Pass parameters to get_block (#667)

1.23.2

Fix if blocks being recreated on update (#665)

1.23.1

Fix each-else blocks that are empty on initial render (#662)

1.23.0

Hydration (#649)
Correctly transform CSS selectors with pseudo-elements (#658)

1.22.5

Fix nested component unmounting bug (#643)

1.22.4

Include ast in svelte.compile return value (#632)
Set initial value of <select> binding, if unspecified (#639)
Mark indirect dependencies of <select> bindings (i.e. the dependencies of their <option> values) (#639)

1.22.3

Fix nested component unmounting bug (#625)
Allow components to have computed member expression bindings (#624)
Handle empty <style> tags (#634)
Warn on missing component (#623)
Allow dynamic type attribute for unbound inputs (#620)
Rename addEventListener and removeEventListener directives (#621)

1.22.2

Escape template strings correctly in SSR output (#616)
Prevent magic-string deprecation warning (#617)

1.22.1

Sanitise event handler names (#612)

1.22.0

Symmetry between mount and unmount. This is potentially a breaking change if your components import other components that were precompiled with an earlier version of Svelte (#592)
Add cascade option, which prevents styles affecting child components if false, unless selectors are wrapped in :global(...) and keyframe declaration IDs are prefixed with -global-. This will become the default behaviour in v2 (#583)
Support binding to computed member expressions (#602)
Coerce empty string in number/range inputs to undefined, not 0 (#584)
Fix insert location of DOM elements in each/if/nested component edge cases (#610)

1.21.0

Always use helpers if referenced, not just for call expressions (#575)
Fix parsing of <textarea> children (#599)
Treat <textarea> value attributes and children as equivalent, and fail validation if both are present (#599)
Fix <textarea> SSR (#599)
Apply CSS transition styles immediately if transition has delay (#574)
Ensure transitionManager is treeshakeable (#593)
Fix for environments where node.style.animation is undefined (#587)
Fix order of operations when dealing with <select> elements (#590)
Downgrade 'invalid callee' to a warning (#579)
Convert to TypeScript (#573)

1.20.2

Fix destruction of compound if-blocks with outros (#572)

1.20.1

Fix insertion order of if blocks and their anchors (#569)

1.20.0

Faster, better updates of keyed each blocks (#373, #543)
Use element IDs to robustly track dynamically injected <style> tags (#554)
Abort outros before corresponding intros (#546)
Generate less code for if blocks with else blocks (#540)
Ensure {{yield}} block content is injected into the right place (#561)
Simpler, more readable codegen code (#559)
Validate transition directives (#564)
Apply delays to bidirectional transitions (#562)
Handle all valid HTML entities (#565)
Fix outros on compound if blocks (#565)
Validation for <:Window> tags (#565)
Increased test coverage (#565)

1.19.1

Export generateKeyframes, so that CSS transitions work

1.19.0

Experimental support for transitions (#7)
Use querySelector(':checked') instead of selectedOptions (#539)
Stringify helpers before bundling them, to avoid renaming errors (#538)

1.18.2

Parenthesize if-block conditions (#532)
Fix parsing of parenthesized expressions (#534)
Fix error on bind:checked that doesn't belong to a checkbox input (#529)

1.18.1

Allow destroy() in event handlers (#523)
Fix bug with {{yield}} blocks following elements (#524)

1.18.0

Visit <select> attributes after children, to ensure options are in the right state (#521)
Use sibling elements as anchors rather than creating comment nodes wherever possible (#3)

1.17.2

Replace bad characters when creating variable names based on element names (#516)

1.17.1

Fixes for static each-else and yield blocks (#509), (#514)
Code generation tweaks (#504), (#507)

1.17.0

Add currentTime, duration and paused bindings for media elements (#406)
Don't treat helpers as dependencies (#492)
Allow <:Window> event handlers to access component state (#497)
Allow two-way binding to properties named 'component' (#495)
Group checkbox bindings correctly, to avoid erroneously unchecking siblings (#498)
Validate two-way bindings (#494)
Allow dynamic each-block to have static else-block (#501)
Initialise <select> value correctly (#502)

1.16.0

Better code generation (#489), (#490), (#491)
Prevent binding blowback on initial render (#488)

1.15.1

Clone data before merging it with state (#479)
Apply binding event handlers before user event handlers (#486)

1.15.0

Dev mode — downgrade 'missing data' to a warning, and ignore whitelisted globals (#475)
Fix <select> value binding when options are updated late (#476)
Throw at compile time if event handler references invalid callee (#473)
Check for helper function purity (#473)
Validate namespace option (#473)

1.14.1

Replace bad characters when creating variable names based on attributes (#470)

1.14.0

Better guard against naming conflicts (#465)
Better error if getters and setters are used with methods (#425)
Don't create whitespace nodes inside elements that can't use them (#189)
Collapse consecutive if statements with the same condition (#450)
Window scroll bindings are bidirectional (#404)
Add bind:online to window (#404)
In dev mode, throw if read-only properties are set (#404)
Prevent conflicts with component name (#464)
Ensure event handler names are deconflicted (#466)

1.13.7

Fix observers — defer: true now triggers callback after DOM is updated (#441)
Handle empty computed property (#452)
Correctly bind one-way <select> value attributes with objects (#423)
Hoist event handlers inside each blocks, where possible (#456)
Don't bind event handler callbacks (#433)
Internal refactoring and neater code generation (#453)

1.13.6

Use assign helper instead of Object.assign for better performance and legacy compatibility (#431)
Improved code generation (#419), (#440), (#442)

1.13.5

Read range and number input values as numbers (#436)
Better error for bind:value='{{foo}}' (#437)

1.13.4

Prevent unclosed <script> tag causing infinite loop (#435)

1.13.3

Correctly handle {{true}}, {{false}} and {{null}} (#424)
Update <select> value attributes correctly (#423)
Bind custom event handler callbacks (#428)
Disallow import root (#430)
Prevent component bindings mutating the wrong object (#432)

1.13.2

Fix deep component bindings (#420)
Include css property in compiler output (#409)
Treat functions as mutable objects when recomputing (#413
Include magic-string in bundle (#410)
Disable unneeded Bublé transformations for slimmer output (#411)

1.13.1

Prevent infinite loops with pathological component bindings (#398)
More robust deconflicting (#401)

1.13.0

Add <:Window> meta tag with event listeners, and a handful of bindings (#371)
Don't uncheck radios incorrectly (#399)

1.12.1

Deconflict non-helper functions (addCss etc) (#388)
Allow reserved words in tags, e.g. {{class}} (#383)

1.12.0

Shorthand attributes — <Widget :foo/> is equivalent to <Widget foo='{{foo}}'/> (#384)
Support bind:group for radio and checkbox inputs (#311, #312)
Better sourcemap support for two-way bindings

1.11.4

Dev mode warning for bad component.observe arguments (#369)
Translate component.on('teardown', ...) to component.on('destroy', ...) and add dev warning (#365)
Use shared prototype to save bytes (#378)

1.11.3

Undo CSS behaviour change in 1.11.2 (#372)
Pin version of css-tree (#370)

1.11.2

Add component CSS to each document a component is rendered to (#331)

1.11.1

Fix two-way binding for components inside each blocks (#356)

1.11.0

Add format: 'eval' and svelte.create, to create components directly from source code (#345)
Node 4 compatibility (#109)

1.10.3

Prevent '</script>' string occurence breaking pages (#349)
Allow reference to whitelisted globals without properties (#333)
Don't remove   incorrectly (#348)
let -> var in addCss block (#351)

1.10.2

Accept any case for doctype declarations (#336)
Allow non-top-level <script> and <style> tags to pass through without processing (#335)

1.10.1

typecheck argument in _set when in dev mode (#342)
Prevent duplicate helpers in non-shared mode (#337)

1.10.0

Component self-references with <:Self/> (#51)
Two-way binding with <select multiple> (#313)

1.9.1

Better error for malformed event handlers (#220)
Allow function expressions in tags (#269)

1.9.0

Add development warnings (#13), (#320), (#177), (#249)
Better error if parser encounters an unmatched closing tag (#321)

1.8.1

Allow implicitly closed elements (#318)
More informative error messages for unclosed elements/blocks (#258)
Deprecate onrender and onteardown in favour of oncreate and ondestroy (#40)

1.8.0

Prevent duplicate imports (#308)
Use input events (not change) for all input elements other than checkbox and radio, and textareas (#309)
Encapsulate keyframe declarations (#245)

1.7.1

Deconflict imports and shared helpers (#222)
Deconflict each-block contexts and reserved words (#222)
Allow shorthand properties in expressions (#296)

1.7.0

Include CSS AST in svelte.parse output (#302)
Better handling of CSS parse errors (#302)
Initialise <select> elements with two-way binding correctly (#301)
Allow local context in component event handlers inside each blocks (#290)
Fix two-way binding for components inside each blocks (#290)

1.6.11

Initialise dynamic <option> value correctly (#291)

1.6.10

Ensure sources and sourcesContent are populated in sourcemaps, even if none of the original code is used (#295)
Add outputFilename option to populate file and sources sourcemap properties correctly (#295)

1.6.9

Don't trigger bindings for torn-down components (#277)
SSR: Handle two-way bindings (#275)
Improve performance by checking data has changed before updates (#279)
Parse CSS with css-tree to prevent transformation errors with unconventional styles (#288)

1.6.8

Always trigger onrender, including when change initiator is a nested component (#263)
Handle default function parameters in computations (#274)

1.6.7

SSR: Fix apostrophes (#267)
Add xmlns attributes to SVGs (#262)

1.6.6

Omit text from comment anchors (#247)
Handle xlink attributes (#264)

1.6.5

Handle <!doctype> declarations (#255)

1.6.4

Fix updates of yields inside each blocks (20e1b05)
SSR: Handle attributes with values that begin with a number (#248)
Handle multiline comments in CSS (#252)

1.6.3

Fix {{yield}} bugs for components inside if and each blocks (#230, #231)
Set attributes on <svg> elements correctly (#233)
Add svelte.VERSION property to compiler

1.6.2

Use helpers for addEventListener, removeEventListener, setAttribute (#227)
Escape sharedPath (#229)
Handle attributes with values that begin with a number (#234)
Update dependencies

1.6.1

SSR: Handle component directives at arbitrary positions (#221)
Provide useful feedback on invalid void closing tag (#224)

1.6.0

Replace standalone: false with shared: true, or shared: 'custom/path/to/shared.js' (#218)
Include shared.js in package

1.5.0

Implement standalone: false (#9)
SSR: Handle component directives (216)

1.4.0

Keyed each blocks (#81)

1.3.1

Remove file extensions from AMD dependencies (#144)
Throw if options.name is illegal (#102)

1.3.0

SSR compiler: Support format option (#196)
SSR compiler: Don't self-close 'normal' elements (#200)
Remove leading spaces from scoped CSS (#140)
Internal refactoring

1.2.5

Allow whitelisted globals in templates (#185)
Intercept parse errors with options.onerror

1.2.4

SSR compiler: Implement {{{triples}}} (#197)
SSR compiler: Escape HTML in tags (#197)

1.2.3

Add support for namespace declaration for SVG (etc) components (#147)
Throw error if methods or lifecycle hooks are arrow functions that use this or arguments (#179)
Use setAttribute() for list attributes, to preserve link to <datalist> (#178)
Throw error if default export is not an object literal (#190)
Internal refactoring

1.2.2

Omit directives in server-side rendering (#163)
Handle comments in SSR (#165)
Support calling methods of event/this in event handlers (#162)
Remove mount from public API (#150)

1.2.1

Server-side rendering is available as a compiler option (generate: 'ssr') (#159)
Allow call expressions where function is not in helpers (#163)

1.2.0

Server-side rendering of HTML (#148) and CSS (#154)

1.1.3

Handle xmlns attributes correctly (#142)
Error on duplicate <style>/<script> tags rather than failing silently (#142)
Don't create whitespace text nodes inside SVG elements (#142)
Require void elements to be lowercase, to eliminate confusion with components (#137)

1.1.2

Deconflict variable names (#88, #126)

1.1.1

Support multiple SVG elements in a component (#130)

1.1.0

Separate fragment creation from mount (#91)
Trigger onrender hook at correct time for nested components (#103)
Fix keypath dynamic attributes in components (#46)
Implement {{yield}} (#112)
Optimise teardown (#99)
Require computed properties to have at least one dependency (#115)
Support {{#each ...}}...{{else}}...{{/each}} (#90)
Triple mustaches (#35)

1.0.7

Correctly escape HTML entities (#85)

1.0.6

Generate useful sourcemaps (#60)

1.0.5

Ensure compiler only generates ES5 code (#75)
get() without arguments returns entire state object (#73)

1.0.4

Handle empty attributes in elements and components (#63)
Detach top-level text nodes inside departing each blocks (#62)

1.0.3

Better generated code for if blocks, especially with else/elseif chains (#28)
Trim unnecessary whitespace from else/elseif blocks (#49)
Handle trailing comments in script tags (#64)

1.0.2

Set style.cssText rather than style (#44)

1.0.1

Preserve SVG namespace inside each blocks
Always use setAttribute with SVG elements

1.0.0

Generate AMD, CJS, IIFE and UMD builds
Correctly insert text nodes before anchors (#31)

0.3.0

Fix bug where departing element would unset ref incorrectly (#24)
Basic template validation (#6)
Fire onrender hooks once component is in DOM (#18)
Only detach nodes when necessary to do so (#26)

0.2.2

On second thoughts, don't transpile build. Was only really for Uglify's benefit, which is daft

0.2.1

Transpile build

0.2.0

Only generate UMD build, for now
Include dependencies in the build, treat as devDependencies
Faster initial render
Parent data overrides child defaults
Remove top-level text nodes on teardown
Handle readUntil errors in parser
Basic <select> binding
Handle missing data
Prevent infinite set/observe loops
Add bind:foo shorthand
else and elseif blocks
Hoist imports

0.1.1

Support unquoted attributes
Handle entities in attributes
Inline nested components
fire and on methods

0.1.0

Breaking change – Svelte compiler now generates constructor functions rather than factories (#2)
SVG support

0.0.2

First release capable of building TodoMVC

0.0.1

Just squatting on the package name

35 KiB Raw Blame History Unescape Escape

Svelte changelog

1.39.1

1.39.0

1.38.0

1.37.0

1.36.0

1.35.0

1.34.0

1.33.0

1.32.0

1.31.0

1.30.0

1.29.3

1.29.2

1.29.1

1.29.0

1.28.1

1.28.0

1.27.0

1.26.2

1.26.1

1.26.0

1.25.1

1.25.0

1.24.0

1.23.4

1.23.3

1.23.2

1.23.1

1.23.0

1.22.5

1.22.4

1.22.3

1.22.2

1.22.1

1.22.0

1.21.0

1.20.2

1.20.1

1.20.0

1.19.1

1.19.0

1.18.2

1.18.1

1.18.0

1.17.2

1.17.1

1.17.0

1.16.0

1.15.1

1.15.0

1.14.1

1.14.0

1.13.7

1.13.6

1.13.5

1.13.4

1.13.3

1.13.2

1.13.1

1.13.0

1.12.1

1.12.0

1.11.4

1.11.3

1.11.2

1.11.1

1.11.0

1.10.3

1.10.2

1.10.1

1.10.0

1.9.1

1.9.0

1.8.1

1.8.0

1.7.1

1.7.0

1.6.11

35 KiB

Raw Blame History Unescape Escape