/opt/canhelp/node_modules/next/dist/esm/build
Edit: /opt/canhelp/node_modules/next/dist/esm/build/normalize-catchall-routes.js (4195B)
import { isInterceptionRouteAppPath } from '../shared/lib/router/utils/interception-routes';
import { AppPathnameNormalizer } from '../server/normalizers/built/app/app-pathname-normalizer';
/**
* This function will transform the appPaths in order to support catch-all routes and parallel routes.
* It will traverse the appPaths, looking for catch-all routes and try to find parallel routes that could match
* the catch-all. If it finds a match, it will add the catch-all to the parallel route's list of possible routes.
*
* @param appPaths The appPaths to transform
*/ export function normalizeCatchAllRoutes(appPaths, normalizer = new AppPathnameNormalizer()) {
const catchAllRoutes = [
...new Set(Object.values(appPaths).flat().filter(isCatchAllRoute)// Sorting is important because we want to match the most specific path.
.sort((a, b)=>b.split('/').length - a.split('/').length))
];
// interception routes should only be matched by a single entrypoint
// we don't want to push a catch-all route to an interception route
// because it would mean the interception would be handled by the wrong page component
const filteredAppPaths = Object.keys(appPaths).filter((route)=>!isInterceptionRouteAppPath(route));
for (const appPath of filteredAppPaths){
for (const catchAllRoute of catchAllRoutes){
const normalizedCatchAllRoute = normalizer.normalize(catchAllRoute);
const normalizedCatchAllRouteBasePath = normalizedCatchAllRoute.slice(0, normalizedCatchAllRoute.search(catchAllRouteRegex));
if (// check if the appPath could match the catch-all
appPath.startsWith(normalizedCatchAllRouteBasePath) && // check if there's not already a slot value that could match the catch-all
!appPaths[appPath].some((path)=>hasMatchedSlots(path, catchAllRoute))) {
// optional catch-all routes are not currently supported, but leaving this logic in place
// for when they are eventually supported.
if (isOptionalCatchAll(catchAllRoute)) {
// optional catch-all routes should match both the root segment and any segment after it
// for example, `/[[...slug]]` should match `/` and `/foo` and `/foo/bar`
appPaths[appPath].push(catchAllRoute);
} else if (isCatchAll(catchAllRoute)) {
// regular catch-all (single bracket) should only match segments after it
// for example, `/[...slug]` should match `/foo` and `/foo/bar` but not `/`
if (normalizedCatchAllRouteBasePath !== appPath) {
appPaths[appPath].push(catchAllRoute);
}
}
}
}
}
}
function hasMatchedSlots(path1, path2) {
const slots1 = path1.split('/').filter(isMatchableSlot);
const slots2 = path2.split('/').filter(isMatchableSlot);
// if the catch-all route does not have the same number of slots as the app path, it can't match
if (slots1.length !== slots2.length) return false;
// compare the slots in both paths. For there to be a match, each slot must be the same
for(let i = 0; i < slots1.length; i++){
if (slots1[i] !== slots2[i]) return false;
}
return true;
}
/**
* Returns true for slots that should be considered when checking for match compatibility.
* Excludes children slots because these are similar to having a segment-level `page`
* which would cause a slot length mismatch when comparing it to a catch-all route.
*/ function isMatchableSlot(segment) {
return segment.startsWith('@') && segment !== '@children';
}
const catchAllRouteRegex = /\[?\[\.\.\./;
function isCatchAllRoute(pathname) {
// Optional catch-all slots are not currently supported, and as such they are not considered when checking for match compatability.
return !isOptionalCatchAll(pathname) && isCatchAll(pathname);
}
function isOptionalCatchAll(pathname) {
return pathname.includes('[[...');
}
function isCatchAll(pathname) {
return pathname.includes('[...');
}
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