|
2 | 2 |
|
3 | 3 | ::: danger ‼️ Experimental feature
|
4 | 4 |
|
5 |
| - This feature is still experimental and will evolve in the future, make sure to follow along in release notes and check the [Troubleshooting](#troubleshooting) section if you have issues. This feature is very likely to be replaced by a much more efficient build-based implementation. It not recommended for projects with a lot of routes (+50) but the setup takes about a minute and can be reverted in a few seconds at any time. |
| 5 | +Starting from v4.1.0, we are introducing a new feature called Typed Routes. This **experimental** feature is enabled through a Vite/webpack/rollup plugin. |
6 | 6 |
|
7 |
| -::: |
8 |
| - |
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| -With typed routes you get type validation when calling `router.push()` as well as autocompletion for the route path. It gives you: |
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| - |
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| -- Validation for [named routes](../essentials/named-routes.md) `name` and `params` properties |
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| -- Autocompletion of the `to` prop when using the `<RouterLink>` component |
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| - |
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| -## Usage |
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| - |
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| -In order to benefit from typed routes, it is necessary to pass the `routes` option to the `as const`: |
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| - |
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| -```ts{6} |
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| -const router = createRouter({ |
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| - // ... |
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| - routes: [ |
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| - { path: '/', name: 'home' }, |
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| - { path: '/users/:id', name: 'user' }, |
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| - ] as const, // <-- this is the important part |
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| -}) |
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| -``` |
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| - |
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| -This will give you a **typed router instance**. Go ahead and give it a try, start typing `router.push({ name: '|'}` and hit `ctrl` + `space` to autocomplete the route name. It will also autocomplete `params` if they exist and **give you a type error** if the name doesn't exist or if the provided params are missing any required params. Note that you can push a route **with no `params` property** and this will be considered valid for the types because `params` are always kept from the current route whenever possible. |
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| - |
30 |
| -### Typed `router` instance |
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| - |
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| -It is possible to type `$router` and `useRouter()` to be the same type as the `router` instance we created above. To do this, we need to extend an interface. It's recommended to do so in the `router.ts` file, right after creating the router: |
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| - |
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| -```ts{5-9} |
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| -export const router = createRouter({ |
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| - // ...options |
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| -}) |
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| -
|
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| -declare module 'vue-router' { |
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| - interface Config { |
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| - Router: typeof router |
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| - } |
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| -} |
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| -``` |
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| - |
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| -### Typed `<RouterLink>` |
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| - |
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| -Providing the router instance to the `Config` interface above, will also provide typings to the `<RouterLink>` component's `to` prop. |
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| - |
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| -## Caveats |
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| - |
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| -Currently, typed routes are inferred at runtime with complex, costly types that become slow if you have a lot of routes. If you have more than 50 routes, you will should give this a try first to see how much it impacts the compilation time of your project. |
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| - |
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| -If you have [dynamic routes](../advanced/dynamic-routing.md), these cannot be typed and if you use [named routes](../essentials/named-routes.md), you won't be able to push to them so it's better not to use both at the same time. |
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| - |
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| -Some APIs like `useRoute()` and `router.resolve()` are still not typed while this feature is being tested. |
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| - |
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| -## Troubleshooting |
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| - |
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| -If you ever find something blocking you or making your types too slow, you can just remove the `as const` part to rollback to the previous version of the types. If something not mentioned here isn't working and you think it should be working, please open an issue on [GitHub](https://github.com/vuejs/router/issues). |
| 7 | +[Check the v4.1 release notes](https://github.com/vuejs/router/releases/tag/v4.1.0) for more information about this feature. |
| 8 | +[Check out the plugin](https://github.com/posva/unplugin-vue-router) GitHub repository for installation instructions and documentation. |
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