next/dist/esm/shared/lib/router/routes/app.js

The React Framework

import { InvariantError } from '../../invariant-error';
import { getSegmentParam } from '../utils/get-segment-param';
import { INTERCEPTION_ROUTE_MARKERS } from '../utils/interception-routes';
export function parseAppRouteSegment(segment) {
    if (segment === '') {
        return null;
    }
    // Check if the segment starts with an interception marker
    const interceptionMarker = INTERCEPTION_ROUTE_MARKERS.find((m)=>segment.startsWith(m));
    const param = getSegmentParam(segment);
    if (param) {
        return {
            type: 'dynamic',
            name: segment,
            param,
            interceptionMarker
        };
    } else if (segment.startsWith('(') && segment.endsWith(')')) {
        return {
            type: 'route-group',
            name: segment,
            interceptionMarker
        };
    } else if (segment.startsWith('@')) {
        return {
            type: 'parallel-route',
            name: segment,
            interceptionMarker
        };
    } else {
        return {
            type: 'static',
            name: segment,
            interceptionMarker
        };
    }
}
export function isNormalizedAppRoute(route) {
    return route.normalized;
}
export function isInterceptionAppRoute(route) {
    return route.interceptionMarker !== undefined && route.interceptingRoute !== undefined && route.interceptedRoute !== undefined;
}
export function parseAppRoute(pathname, normalized) {
    const pathnameSegments = pathname.split('/').filter(Boolean);
    // Build segments array with static and dynamic segments
    const segments = [];
    // Parse if this is an interception route.
    let interceptionMarker;
    let interceptingRoute;
    let interceptedRoute;
    for (const segment of pathnameSegments){
        // Parse the segment into an AppSegment.
        const appSegment = parseAppRouteSegment(segment);
        if (!appSegment) {
            continue;
        }
        if (normalized && (appSegment.type === 'route-group' || appSegment.type === 'parallel-route')) {
            throw Object.defineProperty(new InvariantError(`${pathname} is being parsed as a normalized route, but it has a route group or parallel route segment.`), "__NEXT_ERROR_CODE", {
                value: "E923",
                enumerable: false,
                configurable: true
            });
        }
        segments.push(appSegment);
        if (appSegment.interceptionMarker) {
            const parts = pathname.split(appSegment.interceptionMarker);
            if (parts.length !== 2) {
                throw Object.defineProperty(new Error(`Invalid interception route: ${pathname}`), "__NEXT_ERROR_CODE", {
                    value: "E924",
                    enumerable: false,
                    configurable: true
                });
            }
            interceptingRoute = normalized ? parseAppRoute(parts[0], true) : parseAppRoute(parts[0], false);
            interceptedRoute = normalized ? parseAppRoute(parts[1], true) : parseAppRoute(parts[1], false);
            interceptionMarker = appSegment.interceptionMarker;
        }
    }
    const dynamicSegments = segments.filter((segment)=>segment.type === 'dynamic');
    return {
        normalized,
        pathname,
        segments,
        dynamicSegments,
        interceptionMarker,
        interceptingRoute,
        interceptedRoute
    };
}

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