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import { pathToRegexp } from 'next/dist/compiled/path-to-regexp'
import type {
ManifestHeaderRoute,
ManifestRedirectRoute,
ManifestRewriteRoute,
} from '../build'
import {
normalizeRouteRegex,
type Header,
type Redirect,
type Rewrite,
type RouteType,
} from './load-custom-routes'
import { getRedirectStatus, modifyRouteRegex } from './redirect-status'
export function buildCustomRoute(
type: 'header',
route: Header
): ManifestHeaderRoute
export function buildCustomRoute(
type: 'rewrite',
route: Rewrite
): ManifestRewriteRoute
export function buildCustomRoute(
type: 'redirect',
route: Redirect,
restrictedRedirectPaths: string[]
): ManifestRedirectRoute
export function buildCustomRoute(
type: RouteType,
route: Redirect | Rewrite | Header,
restrictedRedirectPaths?: string[]
): ManifestHeaderRoute | ManifestRewriteRoute | ManifestRedirectRoute {
const compiled = pathToRegexp(route.source, [], {
strict: true,
sensitive: false,
delimiter: '/', // default is `/#?`, but Next does not pass query info
})
let source = compiled.source
if (!route.internal) {
source = modifyRouteRegex(
source,
type === 'redirect' ? restrictedRedirectPaths : undefined
)
}
const regex = normalizeRouteRegex(source)
if (type !== 'redirect') {
return { ...route, regex }
}
return {
...route,
statusCode: getRedirectStatus(route as Redirect),
permanent: undefined,
regex,
}
}
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