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Merge pull request #493 from reactjs/sync-f55d9487
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Sync with react.dev @ f55d948
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mattia-sanfilippo authored Mar 18, 2024
2 parents c14150c + 857d57d commit 7d7f051
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8 changes: 4 additions & 4 deletions src/content/reference/react-dom/components/link.md
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Expand Up @@ -79,7 +79,7 @@ Props that are **not recommended** for use with React:

#### Special rendering behavior {/*special-rendering-behavior*/}

React will always place the DOM element corresponding to the `<link>` component within the document’s `<head>`, regardless of where in the React tree it is rendered. The `<head>` is the only valid place for `<link>` to exist within the DOM, yet it’s convenient and keeps things composable if a component representing a specific page can render `<link>` components itself.
React will always place the DOM element corresponding to the `<link>` component within the document’s `<head>`, regardless of where in the React tree it is rendered. The `<head>` is the only valid place for `<link>` to exist within the DOM, yet it’s convenient and keeps things composable if a component representing a specific page can render `<link>` components itself.

There are a few exceptions to this:

Expand All @@ -91,7 +91,7 @@ There are a few exceptions to this:

In addition, if the `<link>` is to a stylesheet (namely, it has `rel="stylesheet"` in its props), React treats it specially in the following ways:

* The component that renders `<link>` will [suspend](http://localhost:3000/reference/react/Suspense) while the stylesheet is loading.
* The component that renders `<link>` will [suspend](/reference/react/Suspense) while the stylesheet is loading.
* If multiple components render links to the same stylesheet, React will de-duplicate them and only put a single link into the DOM. Two links are considered the same if they have the same `href` prop.

There are two exception to this special behavior:
Expand Down Expand Up @@ -133,7 +133,7 @@ export default function BlogPage() {

### Linking to a stylesheet {/*linking-to-a-stylesheet*/}

If a component depends on a certain stylesheet in order to be displayed correctly, you can render a link to that stylesheet within the component. Your component will [suspend](http://localhost:3000/reference/react/Suspense) while the stylesheet is loading. You must supply the `precedence` prop, which tells React where to place this stylesheet relative to others — stylesheets with higher precedence can override those with lower precedence.
If a component depends on a certain stylesheet in order to be displayed correctly, you can render a link to that stylesheet within the component. Your component will [suspend](/reference/react/Suspense) while the stylesheet is loading. You must supply the `precedence` prop, which tells React where to place this stylesheet relative to others — stylesheets with higher precedence can override those with lower precedence.

<Note>
When you want to use a stylesheet, it can be beneficial to call the [preinit](/reference/react-dom/preinit) function. Calling this function may allow the browser to start fetching the stylesheet earlier than if you just render a `<link>` component, for example by sending an [HTTP Early Hints response](https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/103).
Expand Down Expand Up @@ -217,7 +217,7 @@ function Component() {

### Annotating specific items within the document with links {/*annotating-specific-items-within-the-document-with-links*/}

You can use the `<link>` component with the `itemProp` prop to annotate specific items within the document with links to related resources. In this case, React will *not* place these annotations within the document `<head>` but will place them like any other React component.
You can use the `<link>` component with the `itemProp` prop to annotate specific items within the document with links to related resources. In this case, React will *not* place these annotations within the document `<head>` but will place them like any other React component.

```js
<section itemScope>
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2 changes: 1 addition & 1 deletion src/content/reference/react-dom/components/style.md
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Expand Up @@ -52,7 +52,7 @@ Props that are **not recommended** for use with React:

#### Special rendering behavior {/*special-rendering-behavior*/}

React can move `<style>` components to the document's `<head>`, de-duplicate identical stylesheets, and [suspend](http://localhost:3000/reference/react/Suspense) while the stylesheet is loading.
React can move `<style>` components to the document's `<head>`, de-duplicate identical stylesheets, and [suspend](/reference/react/Suspense) while the stylesheet is loading.

To opt into this behavior, provide the `href` and `precedence` props. React will de-duplicate styles if they have the same `href`. The precedence prop tells React where to rank the `<style>` DOM node relative to others in the document `<head>`, which determines which stylesheet can override the other.

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8 changes: 8 additions & 0 deletions src/content/reference/react/index.md
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Expand Up @@ -29,6 +29,14 @@ React-dom contiene funzionalità supportate solo per le applicazioni web (che ve
* [API del client](/reference/react-dom/client) - Le API `react-dom/client` ti consentono di renderizzare i componenti React sul client (nel browser).
* [API del server](/reference/react-dom/server) - Le API `react-dom/server` ti consentono di renderizzare i componenti React in HTML sul server.

## Rules of React {/*rules-of-react*/}

React has idioms — or rules — for how to express patterns in a way that is easy to understand and yields high-quality applications:

* [Components and Hooks must be pure](/reference/rules/components-and-hooks-must-be-pure) – Purity makes your code easier to understand, debug, and allows React to automatically optimize your components and hooks correctly.
* [React calls Components and Hooks](/reference/rules/react-calls-components-and-hooks) – React is responsible for rendering components and hooks when necessary to optimize the user experience.
* [Rules of Hooks](/reference/rules/rules-of-hooks) – Hooks are defined using JavaScript functions, but they represent a special type of reusable UI logic with restrictions on where they can be called.

## Legacy APIs {/*legacy-apis*/}

* [API Legacy](/reference/react/legacy) - Esportate dal pacchetto `react`, ma non consigliate per l'uso in codice appena scritto.
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