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The React Framework

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import { normalizeAppPath } from './app-paths'; // order matters here, the first match will be used export const INTERCEPTION_ROUTE_MARKERS = [ '(..)(..)', '(.)', '(..)', '(...)' ]; export function isInterceptionRouteAppPath(path) { // TODO-APP: add more serious validation return path.split('/').find((segment)=>INTERCEPTION_ROUTE_MARKERS.find((m)=>segment.startsWith(m))) !== undefined; } export function extractInterceptionRouteInformation(path) { let interceptingRoute, marker, interceptedRoute; 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 Object.defineProperty(new Error("Invalid interception route: " + path + ". Must be in the format /<intercepting route>/(..|...|..)(..)/<intercepted route>"), "__NEXT_ERROR_CODE", { value: "E269", enumerable: false, configurable: true }); } 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 Object.defineProperty(new Error("Invalid interception route: " + path + ". Cannot use (..) marker at the root level, use (.) instead."), "__NEXT_ERROR_CODE", { value: "E207", enumerable: false, configurable: true }); } 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 Object.defineProperty(new Error("Invalid interception route: " + path + ". Cannot use (..)(..) marker at the root level or one level up."), "__NEXT_ERROR_CODE", { value: "E486", enumerable: false, configurable: true }); } interceptedRoute = splitInterceptingRoute.slice(0, -2).concat(interceptedRoute).join('/'); break; default: throw Object.defineProperty(new Error('Invariant: unexpected marker'), "__NEXT_ERROR_CODE", { value: "E112", enumerable: false, configurable: true }); } return { interceptingRoute, interceptedRoute }; } //# sourceMappingURL=interception-routes.js.map