代码拉取完成，页面将自动刷新
?? alongside logical operators (#5558)<slot slot="..."> (#5475)get function in svelte/store (#5483)end field on ASTs for non-top-level <style> elements (#5487){#if} inside {#await} with destructuring (#5508)<slot slot="..."> (#2079)get function in svelte/store (#5269)EventSource to known globals (#5463)~/+ combinators and {...spread} attributes (#5465){#key} block for keying arbitrary content on an expression (#1469)|nonpassive event modifier, explicitly passing passive: false (#2068)~ and + combinators (#3104){#each} not reacting to key changing (#5444)missing-declaration warning with use:obj.method (#5451)use:obj.method as actions (#3935)_ as numeric separator (#5407)[open] selectors on <details> elements (#5421)import.meta in template expressions (#5422)* (#5370){#await}s with no {:catch} getting stuck unresolved if the promise rejects (#5401)null rather than undefined for coerced bound value of <input type="number"> (#1701)$$slots (#2106){#await} block with no {:catch} gets a rejection (#5129)createEventDispatcher (#5211)unused-css-selector warning (#5252)<Namespaced.Component/>s in child {#await}/{#each} contexts (#5255)<svelte:component> in {:catch} (#5259)<input> value to undefined when it has spread attributes (#5270){#each} involving a store (#5286).innerHTML (#5315)$$props in slot fallback content (#5367)$$props to a <slot> (#3364){#each} {:else} (#4970)$$props and $$restProps (#4993, #5118)a11y-label-has-associated-control warning (#5074)a11y-media-has-caption warning (#5075)bind:group when using contextual reference (#5174)??) and optional chaining (?.) operators (#1972)import.meta (#4379)<input> values when they're changed when there are spread attributes (#4418){@html} when used at the root of a slot, at the root of a component, or in <svelte:head> (#5012, #5071)contenteditable elements (#5018)imported value that is used as a store and is also mutated (#5019)a11y-missing-content warning on elements with contenteditable bindings (#5020)this in inline function expressions in the template (#5033)$store at compile time when top-level store has been shadowed (#5048)<select> with one-way value binding when the available <option>s change (#5051)tweened types so the .set() and .update() options are optional (#5062)bind:this inside {#each} block (#5067)<script> and <style> tags (#5080)bind:group inside {#each} (#3243)bind:this variable (#4636)bind:group when multiple options have the same value (#4397)bind:this to the value of an {#each} block (#4517){#each} variable (#4574, #4744){#each} values that shadow outer names (#4757):global() does not contain a selector (#4930)<select> with bind:value when the available <option>s change (#1764)muted binding for media elements (#2998)<input> to undefined (#3569)<select multiple> when there are spread attributes (#4392)<slot> with context overflow (#4624)a11y-no-onchange warning (#4788)use: actions being recreated when a keyed {#each} is reordered (#4693){@html} when using tags that can only appear inside certain tags (#4852){#each} context (#4879){#await} (#4560, #4810)tweened store when set using duration: 0 (#4799, #4846)value attribute with bind:group and attribute spread (#4803){#if} block involving static condition, dynamic condition, and inline component (#4840)a11y-img-redundant-alt and value-less alt attribute (#4777)a11y-img-redundant-alt and dynamic alt attribute (#4770)tweened store using duration: 0 instantly update the value (#4399)bind:this inside {#each} block (#4686)href for <a> with name or id (#4697)a11y-invalid-attribute warning for href="javascript:..." (#4733)a11y-img-redundant-alt warning (#4750)<Anchor> (#4768)globalThis rather than globals for the benefit of non-Node servers and web workers (#3561, #4545){#await ... catch ...} syntax shorthand (#3623)<svelte:component/> within <slot/> (#4597){#if} blocks (#4629)<input type="number"> updates (#4631, #4687){#if} block directly within <slot/> (#4703){#await} blocks (#1851)<svelte:self> to be used in a slot (#2798)$$restProps (#2930)const variables (#4479){#each} blocks (#4491){#each} blocks with {:else} (#4536, #4549)dev mode, display a runtime warning when a component is passed an unexpected slot (#1020, #1447)vars array, correctly indicate whether module variables are mutated or reassigned (#3215){#if} blocks (#4263)dev mode, check for unknown props even if the component has no writable props (#4323)$capture_state (#4463)$$props as updates to a store called $props (#4368)value parameter name used in contextual bindings (#4445){#each} blocks using strings (#4450)$capture_state/$inject_state now act on the component's entire state, rather than its props (#3822)<Foo/> and Foo is dynamic (#4331)svelte/register in dev mode (#4364){#each} blocks (#4408){shorthand} attribute/prop names (#4325)flush() by not using .shift() (#4356){#each} (#4372){expressions} (#4372)++foo.bar (#4393):global() but contain a scoped portion (#4314)onMount (#3218)<slot> inside an {#if} or other block (#4292)derived stores (#4298){#each} (#4301)<title> when starting from SSR-generated code with hydratable: true (#4310){#await} block (#4012)let: variables in sibling attributes on slot root (#4173)~= and class selector matching against values separated by any whitespace characters (#4242)awaited expressions that need parentheses (#4267)<svelte:body> events (#4278)<head> elements when compiling with hydratable: true (#4258)<head> elements during hydration so they aren't duplicated (#1607){:else} in {#each} (#4202)<title> in SSR mode when multiple components provide one (#4250)bind: elsewhere (#4155)let: directives (#2751)<tspan>s in <svg>s (#3998)referenced in vars for tooling (#4081)$$invalidate calls from init block (#4018){:then} without resolved value containing {#each} (#4022)loopGuardTimeout (#4034){:then} containing {#if} (#4044)imports in format: 'cjs' output mode (#4055)export function foo() {} (#3954)context="module" exports with the same name as an instance variable (#3983){#each} blocks referring to global variables (#3992)requestAnimationFrame callback argument for smoother transitions (#4014)listen_dev argument order (#4016)seeking and ended bindings to media elements (#3650)videoWidth and videoHeight bindings to video elements (#3927)flip animation (#3555)aria-hidden="true" to objects generated when adding resize-listeners, to improve accessibility (#3948)loopGuardTimeout option that augments for/while loops to prevent infinite loops, primarily for use in the REPL (#3887)Also:
{#each} context not shadowing outer scope when using bind: (#1565){...spread} attributes with other features (#2721, #2916, #3421, #3681, #3764, #3790)break $ (#2828)export { ... as ... } (#3508){@debug} tags with no dependencies (#3588)bind:this binding to a store (#3591)HTMLElement check before extending class (#3608)location as a known global (#3619){#await} with {:catch} but no {:then} (#3623)<slot/>s (#3631){#await} (#3660)createEventDispatcher() after component instantiation (#3667)<svelte:window> bindings to stores (#3832)<svelte:options tag="..."> without customElement: true option (#3782)Event to list of known globals (#3810)easing param on fade transition (#3823)block (#3854)input.files (#3828)"undefined" class name (#3876)src attribute unless changed (#3579)<script> block (#3745)@ symbols in props, again (#3545)document in development to facilitate dev tooling (#3005)$capture_state and $inject_state HMR hooks in dev mode (#3148)<script> (#3537)null text when hydrating (#3379)bind:currentTime more reliable (#3524)blur transition (#3477)<input type="number"> edge case with spread props (#3426)!important inline styles (#1834)is attribute on elements, with a warning (#3182)self event modifier (#3372)let variables are dynamic for slots (#3354)svelte-ignore comments (#3351)$ or $$... is referenced as global (#3272)class on element with scoped styles from rendering as undefined (#3283)async/* when hoisting functions (#3179)raf a noop on server (#3324)change event for file inputs (#3226)$$props (#3286)class: combination (#3242):root selector (#3250)get (#3153)let values to bindings (#3140)@ symbols in props (#3173)onMount functions in correct order, and before initial afterUpdate functions (#2281)= characters (#3149)bind:this (#2806)@ in dev mode debug filename (#3114)innerHTML and textContent bindings for contenteditable elements (#2996)onDestroy functions, not just for detaching components (#3058){#each} blocks (#713)bind:this on components (#2333)$$props (#2725)requestAnimationFrame context (#2933)once modifier on component events (#2654)<title> tags (#2980){@html ...} in head (#2880)$$props (#2881)svelte/store being bundled (#2786)requestAnimationFrame as a no-op on the server (#2856)raw property to AST's Text nodes (#2714)<details bind:open> (#2854)customElement: true with no <svelte:options> (#2821)svelte/store (#2795)spring to work server-side (#2773)tag (#2417)svelte/store to TypeScript (#2733)debug tags to include hoisted values (#2764)= (#1513)const values (#2728)<Foo.Bar/>) (#2743)window and document to expected globals (#2722)Object.prototype-related bugs (#2696)derived as for other stores (#2644)$: (#2176)spring animations, and add hard/soft options (#2627)parse and walk functions (#2661, #2534)each block destructuring patterns (#2647, #2658)setAttribute to change form property on form elements (#1742)<figcaption> is non-direct descendant of <figure> (#2582)insertBefore (#2573)$$scope from being spread onto an element (#2520)<script> (#2435)const variables (#2285)alert, confirm and prompt to known globals (#2648)unsubscribe method, providing native RxJS support (#2549)classList fix (#1868)stats.props (#1837)<svelte:document> tag (#1484){#if} blocks (#1780)<svelte:head> (#1774)onerror option (#1745)destroy is called before mount (#1653)scroll binding more efficient (#1579)import() in template expressionsclass directive shorthand and encapsulate styles (#1695)toggleClass (#1685){@debug} in SSR (#1659) as empty whitespace (#1658)style.cssText in spread attributes (#1684)--shared CLI option (#1649)onstate before fragment is rendered (#1522){@debug} tags (#1647){@debug} tag, for inspecting values in templates in dev mode (#1635)ref names (#1613)null consistently in tags (#1598)<input type=file bind:files> (#1608)addResizeHandler (#1600)else block (#1589).innerHTML was being used to create child elements when it shouldn't (#1581)template.content instead of template where appropriate (#1571)<svelte:component> if nestedTransitions is true (#1568)data-foo props (#887)transitionManager when necessary (#1514)refs.* as callee (#1526)__svelte_meta object to elements in dev mode, containing source info (#1499)bind:online in dev mode (#1502)if block branches have outros (#1492)skipIntroByDefault (#1460)animate directive (#1454)skipIntroByDefault compiler option and intro: true init option (#1448)nestedTransitions compiler option (#1451)nestedTransitions is true (#1211)1 - t as second argument to transition functions (#1452)Promise to whitelisted globals (#1441)await blocks (#956)await blocks with no dynamic content (#1417)ref directives prevent HTMLified content (#1407)each key in child scope (#1397)bind:offsetWidth, bind:offsetHeight, bind:clientWidth and bind:clientHeight (#984)each blocks (#1287)stats when options.generate is false (#1368)this value in custom event handlers (#1297)each values lazily (#1286)await blocks (#1251)changed based on state, not expected props (#1356)See the blog post for information on how to upgrade your apps
onstate and onupdate hooks, remove component.observe method (#1197)svelte.compile (#1298)validate and Stylesheet from public API (#1348)Store support, and cascading disabled (#1348)hash property from AST (#1348)loc property to start in warnings and errors (#1348)component.get (#1347)observe method to be overwrittenonstate and onupdate lifecycle hooks and deprecate component.observe (#1197)on and fire to Store, deprecate onchange and observe (#1344)code field to errors and warnings (#474)<style> tags (#1339)parser: 'v2' option (#1318)multiple attributes on bound <select> elements (#1331)console etc in component events (#1278)multiple attribute for bound select (#1270)<:Window> (#1268)svelte.compile returns an object with { js, css, ast } properties, where js and css are { code, map } objects (#1298)teardown in custom event handlers (#531)each block (#1291)each block (#1295)svg, tag, and props properties (#1284)preserveComments option in SSR mode (#1265)setAttribute to set input types (#1209)component and state to be context names (#1213)@supports rules when cascade: false (#1215)_mount method (#1201)key for children of keyed each blocks (#1202)$foo in dev mode (#1181)onchange handlers (#1177)["default"] instead of .default in legacy mode (#1166)options.name begins with non-alphabetical character (#1179)immutable compiler option for Svelte and runtime option for Store (#1146)oncreate when custom element is attached (#1117)await blocks using stale state (#1131)<noscript> elements in DOM mode (#1108)<script>/<style> tags (#1163)<style> tags (#1163)oncreate hooks depth-first, top-to-bottom (#1135)feed aria role to expected roles when doing a11y checks (#1124)<style> contents alone (#1091)await blocks (#1061)oncreate for components in await blocks (#1061)<script> and <style> (#1082)store option in SSR mode (#1107)scroll bindings (#1071)<a> attributes with xlink:href (#1008)<:Head> (#1026)<title> (#1027)bind: false option to disable two-way binding (#54)html from SSR compiler render().toString() methods (#1044)<option> outside <select> (#1022)store to children in SSR mode (#1029)store as a component property (#1028)<:Head> component for injecting contents into document head (#1013))render(...) method now returns a { html, css: { code, map }, head } object (#1013)renderCss(...) method is deprecated (#1013)preload function to components (#1015)this.root on nested components (#1023)_recompute (#1012)await blocks in slots (#1018)toString on CompileError (#1016)import(...) inside <script> tags (#1003)await...then shorthand (#957)dataset on SVG nodes (#982)<figcaption> a11y warning (#991)event to expectedProperties (#972)set arguments in dev mode (#990)filename through to preprocessors (#983)Store class to manage global state (#930)aria-current (#953)extensions (#939)<:Window> components (#943)each block (#932)<:Window bind:online/> (#936)indeterminate binding for checkbox inputs (#910)<option> children as value attribute if none exists (#928)innerHTML with <option> elements (#915)dataset unless legacy is true (#858)prepare script to facilitate installing from git (#923)async keyword when extracting functions (#904)data on initialisation (#891)onwarn and onerror receive default handlers as second arguments (#883)muted as boolean property on <audio> elements (#886)each block contexts (#889)innerHTML (#866)textContent and innerHTML expressions (#868)console.* calls in event handlers (#782)textContent and innerHTML where appropriate (#23)slot='...' inside custom elements (#827)slot='...' inside if/each blocks (#849)timeRangesToArray (#837)buffered, seekable, played bindings to media elements (#819)class properties in legacy mode (#830)lang attribute on <html> (#828)style attributes where possible (#455)set and get continue to work until destroy is complete (#788)<slot> elements (#790)options to instance (#550, #777)<style> tag (#757){{yield}} with <slot> — adds fallback content named slots, and options.slots (#763)anchor initialisation option, alongside target (#784)legacy compile option, which adds IE9 compatibility (#773)@keyframes atrules with from and to selectors (#774)create() on new iterations of static each blocks (#762)change events as well as input events to bind range inputs (#740)set and destroy with noop when component is destroyed (#744)ref:foo as a CSS selector (#693)cascade: false (#743)ondestroy callbacks fire (#706)on:foo equals on:foo='fire("foo", event) (#638)refs.* in event handlers, and validate them (#686)# characters (#722)intro.start and outro.start events (#702)cssMap property to compiler output (#698)hydrate is true but hydratable was false (#664)<select> binding in loop (#685)oncreate functions prematurely (#694)get_block (#667)ast in svelte.compile return value (#632)<select> binding, if unspecified (#639)<select> bindings (i.e. the dependencies of their <option> values) (#639)<style> tags (#634)type attribute for unbound inputs (#620)addEventListener and removeEventListener directives (#621)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)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)number/range inputs to undefined, not 0 (#584)helpers if referenced, not just for call expressions (#575)<textarea> children (#599)<textarea> value attributes and children as equivalent, and fail validation if both are present (#599)<textarea> SSR (#599)transitionManager is treeshakeable (#593)node.style.animation is undefined (#587)<select> elements (#590)if blocks and their anchors (#569)<style> tags (#554)if blocks with else blocks (#540){{yield}} block content is injected into the right place (#561)if blocks (#565)<:Window> tags (#565)generateKeyframes, so that CSS transitions workquerySelector(':checked') instead of selectedOptions (#539)bind:checked that doesn't belong to a checkbox input (#529)<select> attributes after children, to ensure options are in the right state (#521)currentTime, duration and paused bindings for media elements (#406)<:Window> event handlers to access component state (#497)<select> value correctly (#502)<select> value binding when options are updated late (#476)namespace option (#473)methods (#425)if statements with the same condition (#450)scroll bindings are bidirectional (#404)bind:online to window (#404)defer: true now triggers callback after DOM is updated (#441)computed property (#452)<select> value attributes with objects (#423)assign helper instead of Object.assign for better performance and legacy compatibility (#431)<script> tag causing infinite loop (#435){{true}}, {{false}} and {{null}} (#424)<select> value attributes correctly (#423)import root (#430)css property in compiler output (#409)<:Window> meta tag with event listeners, and a handful of bindings (#371)addCss etc) (#388){{class}} (#383)<Widget :foo/> is equivalent to <Widget foo='{{foo}}'/> (#384)bind:group for radio and checkbox inputs (#311, #312)component.observe arguments (#369)component.on('teardown', ...) to component.on('destroy', ...) and add dev warning (#365)each blocks (#356)format: 'eval' and svelte.create, to create components directly from source code (#345)'</script>' string occurence breaking pages (#349) incorrectly (#348)let -> var in addCss block (#351)<script> and <style> tags to pass through without processing (#335)onrender and onteardown in favour of oncreate and ondestroy (#40)input events (not change) for all input elements other than checkbox and radio, and textareas (#309)svelte.parse output (#302)<select> elements with two-way binding correctly (#301)each blocks (#290)each blocks (#290)<option> value correctly (#291)sources and sourcesContent are populated in sourcemaps, even if none of the original code is used (#295)outputFilename option to populate file and sources sourcemap properties correctly (#295)onrender, including when change initiator is a nested component (#263)<!doctype> declarations (#255){{yield}} bugs for components inside if and each blocks (#230, #231)<svg> elements correctly (#233)svelte.VERSION property to compileraddEventListener, removeEventListener, setAttribute (#227)sharedPath (#229)standalone: false with shared: true, or shared: 'custom/path/to/shared.js' (#218)shared.js in packageeach blocks (#81)format option (#196)options.onerror
namespace declaration for SVG (etc) components (#147)this or arguments (#179)setAttribute() for list attributes, to preserve link to <datalist> (#178)event/this in event handlers (#162)mount from public API (#150)generate: 'ssr') (#159)helpers (#163)xmlns attributes correctly (#142)<style>/<script> tags rather than failing silently (#142)mount (#91)onrender hook at correct time for nested components (#103){{yield}} (#112){{#each ...}}...{{else}}...{{/each}} (#90)get() without arguments returns entire state object (#73)if blocks, especially with else/elseif chains (#28)else/elseif blocks (#49)Set style.cssText rather than style (#44)
setAttribute with SVG elementsref incorrectly (#24)onrender hooks once component is in DOM (#18)devDependencies
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