next/dist/esm/lib/redirect-status.js

The React Framework

import { PERMANENT_REDIRECT_STATUS, TEMPORARY_REDIRECT_STATUS } from "../shared/lib/constants";
export const allowedStatusCodes = new Set([
    301,
    302,
    303,
    307,
    308
]);
export function getRedirectStatus(route) {
    return route.statusCode || (route.permanent ? PERMANENT_REDIRECT_STATUS : TEMPORARY_REDIRECT_STATUS);
}
// for redirects we restrict matching /_next and for all routes
// we add an optional trailing slash at the end for easier
// configuring between trailingSlash: true/false
export function modifyRouteRegex(regex, restrictedPaths) {
    if (restrictedPaths) {
        regex = regex.replace(/\^/, `^(?!${restrictedPaths.map((path)=>path.replace(/\//g, "\\/")).join("|")})`);
    }
    regex = regex.replace(/\$$/, "(?:\\/)?$");
    return regex;
}

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