diff --git a/apps/svelte.dev/content/docs/svelte/01-introduction/03-reactivity-fundamentals.md b/apps/svelte.dev/content/docs/svelte/01-introduction/03-reactivity-fundamentals.md index 0f1c8e0799..1d165d46ac 100644 --- a/apps/svelte.dev/content/docs/svelte/01-introduction/03-reactivity-fundamentals.md +++ b/apps/svelte.dev/content/docs/svelte/01-introduction/03-reactivity-fundamentals.md @@ -40,6 +40,23 @@ class Todo { } ``` +
+Legacy mode + +In Svelte 4, state was implicitly reactive if the variable was declared at the top level + +```svelte + + + +``` + +
+ ## `$derived` Derived state is declared with the `$derived` rune: @@ -61,6 +78,27 @@ The expression inside `$derived(...)` should be free of side-effects. Svelte wil As with `$state`, you can mark class fields as `$derived`. +
+Legacy mode +In Svelte 4, you could use reactive statements for this. + +```svelte + + + + +

{count} doubled is {doubled}

+``` + +This only worked at the top level of a component. + +
+ ## `$effect` To run _side-effects_ when the component is mounted to the DOM, and when values change, we can use the `$effect` rune ([demo](/#H4sIAAAAAAAAE31T24rbMBD9lUG7kAQ2sbdlX7xOYNk_aB_rQhRpbAsU2UiTW0P-vbrYubSlYGzmzMzROTPymdVKo2PFjzMzfIusYB99z14YnfoQuD1qQh-7bmdFQEonrOppVZmKNBI49QthCc-OOOH0LZ-9jxnR6c7eUpOnuv6KeT5JFdcqbvbcBcgDz1jXKGg6ncFyBedYR6IzLrAZwiN5vtSxaJA-EzadfJEjKw11C6GR22-BLH8B_wxdByWpvUYtqqal2XB6RVkG1CoHB6U1WJzbnYFDiwb3aGEdDa3Bm1oH12sQLTcNPp7r56m_00mHocSG97_zd7ICUXonA5fwKbPbkE2ZtMJGGVkEdctzQi4QzSwr9prnFYNk5hpmqVuqPQjNnfOJoMF22lUsrq_UfIN6lfSVyvQ7grB3X2mjMZYO3XO9w-U5iLx42qg29md3BP_ni5P4gy9ikTBlHxjLzAtPDlyYZmRdjAbGq7HprEQ7p64v4LU_guu0kvAkhBim3nMplWl8FreQD-CW20aZR0wq12t-KqDWeBywhvexKC3memmDwlHAv9q4Vo2ZK8KtK0CgX7u9J8wXbzdKv-nRnfF_2baTqlYoWUF2h5efl9-n0O6koAMAAA==)): @@ -86,3 +124,31 @@ To run _side-effects_ when the component is mounted to the DOM, and when values ``` The function passed to `$effect` will run when the component mounts, and will re-run after any changes to the values it reads that were declared with `$state` or `$derived` (including those passed in with `$props`). Re-runs are batched (i.e. changing `color` and `size` in the same moment won't cause two separate runs), and happen after any DOM updates have been applied. + +
+Legacy mode +In Svelte 4, you could use reactive statements for this. + +```svelte + + + +``` + +This only worked at the top level of a component. + +
diff --git a/apps/svelte.dev/src/app.html b/apps/svelte.dev/src/app.html index 14594cf757..192efa0c39 100644 --- a/apps/svelte.dev/src/app.html +++ b/apps/svelte.dev/src/app.html @@ -20,16 +20,13 @@ @@ -48,5 +45,13 @@
%sveltekit.body%
+ + diff --git a/apps/svelte.dev/src/routes/docs/[...path]/+layout.svelte b/apps/svelte.dev/src/routes/docs/[...path]/+layout.svelte index ea6ef38404..ab2d242e24 100644 --- a/apps/svelte.dev/src/routes/docs/[...path]/+layout.svelte +++ b/apps/svelte.dev/src/routes/docs/[...path]/+layout.svelte @@ -30,7 +30,6 @@ .container { --sidebar-menu-width: 28rem; --sidebar-width: var(--sidebar-menu-width); - --ts-toggle-height: 4.2rem; display: flex; flex-direction: column; diff --git a/apps/svelte.dev/src/routes/docs/[...path]/+page.svelte b/apps/svelte.dev/src/routes/docs/[...path]/+page.svelte index daac75b2bd..48a287dcee 100644 --- a/apps/svelte.dev/src/routes/docs/[...path]/+page.svelte +++ b/apps/svelte.dev/src/routes/docs/[...path]/+page.svelte @@ -1,6 +1,6 @@ -{#if show_ts_toggle} -
- -
-{/if} - diff --git a/packages/site-kit/src/lib/docs/TsJsSelect.svelte b/packages/site-kit/src/lib/docs/TsJsSelect.svelte index fd29ff5ddf..15b2ee6053 100644 --- a/packages/site-kit/src/lib/docs/TsJsSelect.svelte +++ b/packages/site-kit/src/lib/docs/TsJsSelect.svelte @@ -7,7 +7,7 @@ if (browser) { prefers_ts.subscribe((ts) => { - document.body.classList.toggle('prefers-ts', ts); + document.body.classList.toggle('prefers-js', !ts); }); } diff --git a/packages/site-kit/src/lib/docs/index.ts b/packages/site-kit/src/lib/docs/index.ts index f1377163bb..fcff5c2986 100644 --- a/packages/site-kit/src/lib/docs/index.ts +++ b/packages/site-kit/src/lib/docs/index.ts @@ -1,4 +1,3 @@ export { default as DocsContents } from './DocsContents.svelte'; export { default as DocsOnThisPage } from './DocsOnThisPage.svelte'; -export { default as TSToggle } from './TSToggle.svelte'; export { setupDocsHovers } from './hover'; diff --git a/packages/site-kit/src/lib/styles/text.css b/packages/site-kit/src/lib/styles/text.css index 8756bd5609..b489111a36 100644 --- a/packages/site-kit/src/lib/styles/text.css +++ b/packages/site-kit/src/lib/styles/text.css @@ -344,3 +344,34 @@ .text :where(ul ul) { margin-bottom: 0; } + +details.legacy { + background-color: hsla(var(--sk-text-warning-hsl), 0.02); + border-radius: var(--sk-border-radius); + padding: 1rem; + margin: 1rem 0; + + & > summary { + color: hsl(var(--sk-text-warning-hsl)); + font-size: 1.4rem; + font-weight: 600; + cursor: pointer; + + &::after { + content: 'show all'; + float: right; + } + } + + &[open] > summary { + margin-bottom: 1.4rem; + + &::after { + content: 'hide all'; + } + } + + > :last-child { + margin-bottom: 0; + } +}