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63 lines
3.1 KiB
Markdown
63 lines
3.1 KiB
Markdown
# `useRouter`
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The `useRouter` composable returns the router instance and must be called in a `setup` function, plugin, or route middleware. (Within the template of a Vue component, you can access the router using `$router` instead.)
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If you have a `pages/` folder, `useRouter` is identical in behavior to the one provided by `vue-router`. Feel free to read the router documentation for more information on what each method does.
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::ReadMore{link="https://router.vuejs.org/api/#currentroute"}
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## Basic manipulation
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- **addRoute:** Add a new route to the router instance. `parentName` can be provided to add new route as the child of an existing route.
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- **removeRoute:** Remove an existing route by its name.
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- **getRoutes:** Get a full list of all the route records.
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- **hasRoute:** Checks if a route with a given name exists
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## Based on history API
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- **back:** Go back in history if possible, same as `router.go(-1)`.
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- **forward:** Go forward in history if possible, same as `router.go(1)`.
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- **go:** Move forward or backward through the history without the hierarchical restrictions enforced in `router.back()` and `router.forward()`.
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- **push:** Programmatically navigate to a new URL by pushing an entry in the history stack. **It is recommended to use [`navigateTo`](http://v3.nuxtjs.org/api/utils/navigate-to#navigateto) instead.**
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- **replace:** Programmatically navigate to a new URL by replacing the current entry in the routes history stack. **It is recommended to use [`navigateTo`](http://v3.nuxtjs.org/api/utils/navigate-to#navigateto) instead.**
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> TIP: `router.addRoute()` adds route details into an array of routes and it is useful while building Nuxt plugins while `router.push()` on the other hand, triggers a new navigation immediately and it is useful in Nuxt Page components, Vue components and composable.
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```js [js]
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const router = useRouter();
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router.back();
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router.forward();
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router.go();
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router.push({ path: "/home" });
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router.replace({ hash: "#bio" });
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````
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::ReadMore{link="https://developer.mozilla.org/en-US/docs/Web/API/History"}
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## Navigation guards
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`useRouter` composable provides `afterEach`, `beforeEach` and `beforeResolve` helper methods that acts as nagivation guards.
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However, Nuxt has a concept of **route middleware** that simplifies the implementation of navigation guards and provides a better developer experience.
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::ReadMore{link="/guide/directory-structure/middleware"}
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## Promise and error handling
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- **isReady:** Returns a Promise that resolves when the router has completed the initial navigation.
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- **onError:** Adds an error handler that is called every time a non caught error happens during navigation.
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- **resolve:** Returns the normalized version of a route location. Also includes an `href` property that includes any existing base.
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::ReadMore{link="https://router.vuejs.org/api/#router-methods"}
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## Universal router instance
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If you do not have a `pages/` folder, then `useRouter` will return a universal router instance with similar helper methods, but be aware that not all features may be supported or behave in exactly the same way as with `vue-router`.
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::ReadMore{link="/guide/features/routing"}
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