File size: 3,003 Bytes
1e92f2d |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 |
import { normalizeAppPath } from './app-paths'
// order matters here, the first match will be used
export const INTERCEPTION_ROUTE_MARKERS = [
'(..)(..)',
'(.)',
'(..)',
'(...)',
] as const
export function isInterceptionRouteAppPath(path: string): boolean {
// TODO-APP: add more serious validation
return (
path
.split('/')
.find((segment) =>
INTERCEPTION_ROUTE_MARKERS.find((m) => segment.startsWith(m))
) !== undefined
)
}
export function extractInterceptionRouteInformation(path: string) {
let interceptingRoute: string | undefined,
marker: (typeof INTERCEPTION_ROUTE_MARKERS)[number] | undefined,
interceptedRoute: string | undefined
for (const segment of path.split('/')) {
marker = INTERCEPTION_ROUTE_MARKERS.find((m) => segment.startsWith(m))
if (marker) {
;[interceptingRoute, interceptedRoute] = path.split(marker, 2)
break
}
}
if (!interceptingRoute || !marker || !interceptedRoute) {
throw new Error(
`Invalid interception route: ${path}. Must be in the format /<intercepting route>/(..|...|..)(..)/<intercepted route>`
)
}
interceptingRoute = normalizeAppPath(interceptingRoute) // normalize the path, e.g. /(blog)/feed -> /feed
switch (marker) {
case '(.)':
// (.) indicates that we should match with sibling routes, so we just need to append the intercepted route to the intercepting route
if (interceptingRoute === '/') {
interceptedRoute = `/${interceptedRoute}`
} else {
interceptedRoute = interceptingRoute + '/' + interceptedRoute
}
break
case '(..)':
// (..) indicates that we should match at one level up, so we need to remove the last segment of the intercepting route
if (interceptingRoute === '/') {
throw new Error(
`Invalid interception route: ${path}. Cannot use (..) marker at the root level, use (.) instead.`
)
}
interceptedRoute = interceptingRoute
.split('/')
.slice(0, -1)
.concat(interceptedRoute)
.join('/')
break
case '(...)':
// (...) will match the route segment in the root directory, so we need to use the root directory to prepend the intercepted route
interceptedRoute = '/' + interceptedRoute
break
case '(..)(..)':
// (..)(..) indicates that we should match at two levels up, so we need to remove the last two segments of the intercepting route
const splitInterceptingRoute = interceptingRoute.split('/')
if (splitInterceptingRoute.length <= 2) {
throw new Error(
`Invalid interception route: ${path}. Cannot use (..)(..) marker at the root level or one level up.`
)
}
interceptedRoute = splitInterceptingRoute
.slice(0, -2)
.concat(interceptedRoute)
.join('/')
break
default:
throw new Error('Invariant: unexpected marker')
}
return { interceptingRoute, interceptedRoute }
}
|