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react-tv-space-navigation

v3.6.1

Published

![banner](./docs/banner.png)

Downloads

790

Readme

banner

react-tv-space-navigation

Why?

Spatial navigation is a hard problem on a TV app. Many solutions exist. React Native TV even has a core solution for it. But most existing solutions are not 100% cross-platform.

If you want to develop a TV app for AndroidTV + tvOS + web TV devices, then this package will be helpful.

The library is based on LRUD, which is a UI-agnostic lib that represents spatial navigation. The library is a React wrapper around the core logic of LRUD.

What you can achieve

demo

Check out the live web demo!

One of the goals of the lib is to have a simple and declarative API. No need for hooks or dark shenanigans. You just simply declare components.

Here's the kind of code you'll be able to achieve:

/**
 * A simple component that shows a rabbit program
 * We plug it to the Spatial Navigation easily using a FocusableView
 */
const Rabbit = ({ onSelect }) => (
  <SpatialNavigationFocusableView onSelect={onSelect}>
    {({ isFocused }) => <RabbitLayout isFocused={isFocused} />}
  </SpatialNavigationFocusableView>
);

/**
 * We can have as many nodes as we want. We group our rabbits in a horizontal spatial navigation view
 * to spatially describe a row layout
 * (it includes a spatial navigation node AND the horizontal styling for it)
 *
 * We also want to scroll horizontally, so we add a horizontal scrollview.
 */
const RabbitRow = () => (
  <SpatialNavigationScrollView horizontal>
    <SpatialNavigationView direction="horizontal">
      {/* assuming you have rabbits data */}
      {rabbits.map((_, index) => (
        <Rabbit onSelect={() => console.log('selected rabbit ', index)} />
      ))}
    </SpatialNavigationView>
  </SpatialNavigationScrollView>
);

/**
 * Now I simply add a page with a Root node and a vertical scroll view to scroll through my rows.
 */
const Page = () => (
  <SpatialNavigationRoot>
    <SpatialNavigationScrollView>
      <RabbitRow />
      <RabbitRow />
      <RabbitRow />
      <RabbitRow />
      <RabbitRow />
      <RabbitRow />
    </SpatialNavigationScrollView>
  </SpatialNavigationRoot>
);

How to use

You should follow the tutorial.

How to run the example

If you want to run the example app in packages/example, take a look at the README

API documentation

You can have a look at the documentation.

Pitfalls & troubleshooting

You should have a look at the pitfalls and troubleshooting.

Accessibility support

Read the state of accessibility.

Contributing

Publishing the package

  • Increment the package.json in ./packages/lib/package.json.
  • Commit the change git commit -m "chore: bump version"
  • Add a tag matching the version git tag vx.x.x && git push --tags
  • Generate the changelog and commit it yarn changelog && git add CHANGELOG.md && git commit "chore: update changelog"
  • Then publish the package:
cd packages/lib
yarn publish:package