rsnext/packages/next/shared/lib/router/utils/remove-trailing-slash.ts
Javi Velasco f354f46b3f
Deprecate nested Middleware in favor of root middleware (#36772)
This PR deprecates declaring a middleware under `pages` in favour of the project root naming it after `middleware` instead of `_middleware`. This is in the context of having a simpler execution model for middleware and also ships some refactor work. There is a ton of a code to be simplified after this deprecation but I think it is best to do it progressively.

With this PR, when in development, we will **fail** whenever we find a nested middleware but we do **not** include it in the compiler so if the project is using it, it will no longer work. For production we will **fail** too so it will not be possible to build and deploy a deprecated middleware. The error points to a page that should also be reviewed as part of **documentation**.

Aside from the deprecation, this migrates all middleware tests to work with a single middleware. It also splits tests into multiple folders to make them easier to isolate and work with. Finally it ships some small code refactor and simplifications.
2022-05-19 15:46:21 +00:00

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TypeScript

/**
* Removes the trailing slash for a given route or page path. Preserves the
* root page. Examples:
* - `/foo/bar/` -> `/foo/bar`
* - `/foo/bar` -> `/foo/bar`
* - `/` -> `/`
*/
export function removeTrailingSlash(route: string) {
return route.replace(/\/$/, '') || '/'
}