Cellar---Alcools-collection/frontend/node_modules/react-router/docs/how-to/view-transitions.md

---
title: View Transitions
---

# View Transitions

[MODES: framework, data]

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Enable smooth animations between page transitions in your React Router applications using the [View Transitions API][view-transitions-api]. This feature allows you to create seamless visual transitions during client-side navigation.

## Basic View Transition

### 1. Enable view transitions on navigation

The simplest way to enable view transitions is by adding the `viewTransition` prop to your `Link`, `NavLink`, or `Form` components. This automatically wraps the navigation update in `document.startViewTransition()`.

```tsx
<Link to="/about" viewTransition>
  About
</Link>
```

Without any additional CSS, this provides a basic cross-fade animation between pages.

### 2. Enable view transitions with programmatic navigation

When using programmatic navigation with the `useNavigate` hook, you can enable view transitions by passing the `viewTransition: true` option:

```tsx
import { useNavigate } from "react-router";

function NavigationButton() {
  const navigate = useNavigate();

  return (
    <button
      onClick={() =>
        navigate("/about", { viewTransition: true })
      }
    >
      About
    </button>
  );
}
```

This provides the same cross-fade animation as using the `viewTransition` prop on Link components.

For more information on using the View Transitions API, please refer to the ["Smooth transitions with the View Transition API" guide][view-transitions-guide] from the Google Chrome team.

## Image Gallery Example

Let's build an image gallery that demonstrates how to trigger and use view transitions. We'll create a list of images that expand into a detail view with smooth animations.

### 1. Create the image gallery route

```tsx filename=routes/image-gallery.tsx
import { NavLink } from "react-router";

export const images = [
  "https://remix.run/blog-images/headers/the-future-is-now.jpg",
  "https://remix.run/blog-images/headers/waterfall.jpg",
  "https://remix.run/blog-images/headers/webpack.png",
  // ... more images ...
];

export default function ImageGalleryRoute() {
  return (
    <div className="image-list">
      <h1>Image List</h1>
      <div>
        {images.map((src, idx) => (
          <NavLink
            key={src}
            to={`/image/${idx}`}
            viewTransition // Enable view transitions for this link
          >
            <p>Image Number {idx}</p>
            <img
              className="max-w-full contain-layout"
              src={src}
            />
          </NavLink>
        ))}
      </div>
    </div>
  );
}
```

### 2. Add transition styles

Define view transition names and animations for elements that should transition smoothly between routes.

```css filename=app.css
/* Layout styles for the image grid */
.image-list > div {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  column-gap: 10px;
}

.image-list h1 {
  font-size: 2rem;
  font-weight: 600;
}

.image-list img {
  max-width: 100%;
  contain: layout;
}

.image-list p {
  width: fit-content;
}

/* Assign transition names to elements during navigation */
.image-list a.transitioning img {
  view-transition-name: image-expand;
}

.image-list a.transitioning p {
  view-transition-name: image-title;
}
```

### 3. Create the image detail route

The detail view needs to use the same view transition names to create a seamless animation.

```tsx filename=routes/image-details.tsx
import { Link } from "react-router";
import { images } from "./home";
import type { Route } from "./+types/image-details";

export default function ImageDetailsRoute({
  params,
}: Route.ComponentProps) {
  return (
    <div className="image-detail">
      <Link to="/" viewTransition>
        Back
      </Link>
      <h1>Image Number {params.id}</h1>
      <img src={images[Number(params.id)]} />
    </div>
  );
}
```

### 4. Add matching transition styles for the detail view

```css filename=app.css
/* Match transition names from the list view */
.image-detail h1 {
  font-size: 2rem;
  font-weight: 600;
  width: fit-content;
  view-transition-name: image-title;
}

.image-detail img {
  max-width: 100%;
  contain: layout;
  view-transition-name: image-expand;
}
```

## Advanced Usage

You can control view transitions more precisely using either render props or the `useViewTransitionState` hook.

### 1. Using render props

```tsx filename=routes/image-gallery.tsx
<NavLink to={`/image/${idx}`} viewTransition>
  {({ isTransitioning }) => (
    <>
      <p
        style={{
          viewTransitionName: isTransitioning
            ? "image-title"
            : "none",
        }}
      >
        Image Number {idx}
      </p>
      <img
        src={src}
        style={{
          viewTransitionName: isTransitioning
            ? "image-expand"
            : "none",
        }}
      />
    </>
  )}
</NavLink>
```

### 2. Using the `useViewTransitionState` hook

```tsx filename=routes/image-gallery.tsx
function NavImage(props: { src: string; idx: number }) {
  const href = `/image/${props.idx}`;
  // Hook provides transition state for specific route
  const isTransitioning = useViewTransitionState(href);

  return (
    <Link to={href} viewTransition>
      <p
        style={{
          viewTransitionName: isTransitioning
            ? "image-title"
            : "none",
        }}
      >
        Image Number {props.idx}
      </p>
      <img
        src={props.src}
        style={{
          viewTransitionName: isTransitioning
            ? "image-expand"
            : "none",
        }}
      />
    </Link>
  );
}
```

[view-transitions-api]: https://developer.mozilla.org/en-US/docs/Web/API/ViewTransition
[view-transitions-guide]: https://developer.chrome.com/docs/web-platform/view-transitions