Last active
July 19, 2023 12:33
-
-
Save kai-phan/824e6692a3a612da2cf7706beaa27277 to your computer and use it in GitHub Desktop.
Type safe useNavigate hook for React router 6.x
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import { | |
Outlet, | |
createBrowserRouter, | |
useNavigate, | |
NavigateOptions, | |
} from 'react-router-dom'; | |
const routeObjects = [ | |
{ | |
path: '/', | |
element: <Outlet />, | |
children: [ | |
{ | |
index: true, | |
lazy: () => import('./pages/home'), | |
}, | |
{ | |
path: ':id', | |
}, | |
{ | |
path: 'about', | |
children: [ | |
{ | |
index: true, | |
lazy: () => import('./pages/about'), | |
}, | |
{ | |
path: 'me', | |
lazy: () => import('./pages/me'), | |
}, | |
{ | |
path: ':id', | |
lazy: () => import('./pages/user_detail'), | |
}, | |
{ | |
path: ':id/:user_id', | |
}, | |
{ | |
path: '/us', | |
}, | |
], | |
}, | |
{ | |
path: 'users', | |
index: true, | |
lazy: () => import('./pages/users'), | |
}, | |
{ | |
path: 'nested', | |
children: [ | |
{ | |
index: true, | |
lazy: () => import('./pages/nested'), | |
}, | |
{ | |
path: ':id', | |
children: [ | |
{ | |
index: true, | |
lazy: () => import('./pages/nested_id'), | |
}, | |
{ | |
path: 'nested_id_1', | |
}, | |
{ | |
path: 'nested_id_hai', | |
children: [ | |
{ | |
path: ':id_nested_id_hai_1', | |
}, | |
], | |
}, | |
], | |
}, | |
{ | |
path: 'nested_1', | |
children: [ | |
{ | |
index: true, | |
lazy: () => import('./pages/nested_1'), | |
}, | |
{ | |
path: 'nested_1_1', | |
children: [ | |
{ | |
index: true, | |
lazy: () => import('./pages/nested_1_1'), | |
}, | |
], | |
}, | |
{ | |
path: ':nested_id', | |
children: [ | |
{ | |
path: 'nested_1_1', | |
}, | |
], | |
}, | |
], | |
}, | |
], | |
}, | |
], | |
}, | |
{ | |
path: '*', | |
}, | |
] as const; | |
// Have to cast routeObjects to any because react-router-dom won't allow readyonly, and RouteObject[] won't let me infer the path | |
export default createBrowserRouter(routeObjects as any); | |
type AllPaths<A> = A extends readonly [infer F, ...infer R] | |
? F extends { path: infer P } | |
? | |
| (F extends { children: infer C } | |
? `${MakePaths<P>}/${MakePaths<AllPaths<C>>}` | P | |
: P) | |
| AllPaths<R> | |
: AllPaths<R> | |
: never; | |
type MakePaths<P> = P extends string | |
? P extends `/${infer U}` | |
? U | |
: P | |
: never; | |
type PathParams< | |
P, | |
R = NonNullable<unknown>, | |
V = number | string, | |
> = P extends `${string}:${infer T}/${infer U}` | |
? PathParams<U, R & { [K in T]: V }> | |
: P extends `:${infer T}` | `${string}:${infer T}` | |
? R & { [K in T]: V } | |
: R; | |
function replacePath(path: string, params: object) { | |
return Object.entries(params).reduce((acc, [key, value]) => { | |
return acc.replace(`:${key}`, String(value)); | |
}, path); | |
} | |
type NavigateWithParams<T> = NavigateOptions & { params: PathParams<T> }; | |
type SafeTo<T> = T | Partial<{ pathname: T; search: string; hash: string }>; | |
export function useSafeNavigate() { | |
const navigate = useNavigate(); | |
function saveNavigate(delta: number): void; | |
function saveNavigate<T extends AllPaths<typeof routeObjects>>( | |
to: SafeTo<T>, | |
options?: NavigateWithParams<T>, | |
): void; | |
function saveNavigate(to: any, options?: any) { | |
if (typeof to === 'number') { | |
return navigate(to); | |
} | |
if (typeof to === 'object') { | |
const { pathname } = to; | |
const newPath = replacePath(pathname, options.params); | |
return navigate({ ...to, pathname: newPath }, options); | |
} | |
return navigate(replacePath(to, options.params), options); | |
} | |
return saveNavigate; | |
} | |
const navigate = useSafeNavigate(); | |
navigate('/about/:id', { params: { id: 1 } }); | |
navigate( | |
{ | |
pathname: '/nested/:id/nested_id_hai/:id_nested_id_hai_1', | |
}, | |
// Type error | |
{ params: {} }, | |
); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment