Replace JS/TS toggle (#195)

* add icons

* WIP

* some CSS stuff

* more CSS stuff

* more CSS stuff

* more CSS

* tidy

* fix

* toggle file extensions

* grumble grumble

* make it work for .svelte files

* synchronise and persist

* shrink icon

* remove copy button from dts snippets

* tweaks

* nicer icons/styles

* remove some unused code

* fix

* tweak

* unused

* fix position

* revert

Author: Rich-Harris

apps/svelte.dev/content/docs/svelte/98-reference/20-svelte.md

@@ -36,8 +36,7 @@ In runes mode use `$effect` instead.
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function afterUpdate(fn: () => void): void;
 ```
 
@@ -53,8 +52,7 @@ In runes mode use `$effect.pre` instead.
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function beforeUpdate(fn: () => void): void;
 ```
 
@@ -82,8 +80,7 @@ const dispatch = createEventDispatcher<{
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function createEventDispatcher<
 	EventMap extends Record<string, any> = any
 >(): EventDispatcher<EventMap>;
@@ -97,8 +94,7 @@ Create a snippet programmatically
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function createRawSnippet<Params extends unknown[]>(
 	fn: (...params: Getters<Params>) => {
 		render: () => string;
@@ -115,8 +111,7 @@ Synchronously flushes any pending state changes and those that result from it.
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function flushSync(fn?: (() => void) | undefined): void;
 ```
 
@@ -130,8 +125,7 @@ programmatically create a component and want to pass the existing context to it.
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function getAllContexts<
 	T extends Map<any, any> = Map<any, any>
 >(): T;
@@ -146,8 +140,7 @@ Must be called during component initialisation.
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function getContext<T>(key: any): T;
 ```
 
@@ -160,8 +153,7 @@ Must be called during component initialisation.
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function hasContext(key: any): boolean;
 ```
 
@@ -173,8 +165,7 @@ Hydrates a component on the given target and returns the exports and potentially
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function hydrate<
 	Props extends Record<string, any>,
 	Exports extends Record<string, any>
@@ -211,8 +202,7 @@ Transitions will play during the initial render unless the `intro` option is set
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function mount<
 	Props extends Record<string, any>,
 	Exports extends Record<string, any>
@@ -251,8 +241,7 @@ only one that runs inside a server-side component.
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function onDestroy(fn: () => any): void;
 ```
 
@@ -270,8 +259,7 @@ If a function is returned _synchronously_ from `onMount`, it will be called when
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function onMount<T>(
 	fn: () =>
 		| NotFunction<T>
@@ -292,8 +280,7 @@ Like lifecycle functions, this must be called during component initialisation.
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function setContext<T>(key: any, context: T): T;
 ```
 
@@ -305,8 +292,7 @@ Returns a promise that resolves once any pending state changes have been applied
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function tick(): Promise<void>;
 ```
 
@@ -318,8 +304,7 @@ Unmounts a component that was previously mounted using `mount` or `hydrate`.
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function unmount(component: Record<string, any>): void;
 ```
 
@@ -333,8 +318,7 @@ https://svelte-5-preview.vercel.app/docs/functions#untrack
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function untrack<T>(fn: () => T): T;
 ```
 

apps/svelte.dev/content/docs/svelte/98-reference/21-svelte-animate.md

@@ -16,8 +16,7 @@ The flip function calculates the start and end position of an element and animat
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function flip(
 	node: Element,
 	{

apps/svelte.dev/content/docs/svelte/98-reference/21-svelte-compiler.md

@@ -25,8 +25,7 @@ https://svelte.dev/docs/svelte-compiler#svelte-version
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 const VERSION: string;
 ```
 
@@ -38,8 +37,7 @@ const VERSION: string;
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function compile(
 	source: string,
 	options: CompileOptions
@@ -54,8 +52,7 @@ function compile(
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function compileModule(
 	source: string,
 	options: ModuleCompileOptions
@@ -71,8 +68,7 @@ May throw an error if the code is too complex to migrate automatically.
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function migrate(source: string): {
 	code: string;
 };
@@ -89,8 +85,7 @@ The `modern` option (`false` by default in Svelte 5) makes the parser return a m
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function parse(
 	source: string,
 	options: {
@@ -104,8 +99,7 @@ function parse(
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function parse(
 	source: string,
 	options?:
@@ -126,8 +120,7 @@ For example, it can be used to convert a <style lang="sass"> block into vanilla
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function preprocess(
 	source: string,
 	preprocessor: PreprocessorGroup | PreprocessorGroup[],
@@ -147,8 +140,7 @@ function preprocess(
 
 <div class="ts-block">
 
-```ts
-// @noErrors
+```dts
 function walk(): never;
 ```