/opt/canhelp/node_modules/next/dist/esm/client/components/router-reducer
Edit: /opt/canhelp/node_modules/next/dist/esm/client/components/router-reducer/compute-changed-path.js (4640B)
import { INTERCEPTION_ROUTE_MARKERS } from '../../../shared/lib/router/utils/interception-routes';
import { isGroupSegment, DEFAULT_SEGMENT_KEY, PAGE_SEGMENT_KEY } from '../../../shared/lib/segment';
import { matchSegment } from '../match-segments';
const removeLeadingSlash = (segment)=>{
return segment[0] === '/' ? segment.slice(1) : segment;
};
const segmentToPathname = (segment)=>{
if (typeof segment === 'string') {
// 'children' is not a valid path -- it's technically a parallel route that corresponds with the current segment's page
// if we don't skip it, then the computed pathname might be something like `/children` which doesn't make sense.
if (segment === 'children') return '';
return segment;
}
return segment[1];
};
function normalizeSegments(segments) {
return segments.reduce((acc, segment)=>{
segment = removeLeadingSlash(segment);
if (segment === '' || isGroupSegment(segment)) {
return acc;
}
return acc + "/" + segment;
}, '') || '/';
}
export function extractPathFromFlightRouterState(flightRouterState) {
const segment = Array.isArray(flightRouterState[0]) ? flightRouterState[0][1] : flightRouterState[0];
if (segment === DEFAULT_SEGMENT_KEY || INTERCEPTION_ROUTE_MARKERS.some((m)=>segment.startsWith(m))) return undefined;
if (segment.startsWith(PAGE_SEGMENT_KEY)) return '';
const segments = [
segmentToPathname(segment)
];
var _flightRouterState_;
const parallelRoutes = (_flightRouterState_ = flightRouterState[1]) != null ? _flightRouterState_ : {};
const childrenPath = parallelRoutes.children ? extractPathFromFlightRouterState(parallelRoutes.children) : undefined;
if (childrenPath !== undefined) {
segments.push(childrenPath);
} else {
for (const [key, value] of Object.entries(parallelRoutes)){
if (key === 'children') continue;
const childPath = extractPathFromFlightRouterState(value);
if (childPath !== undefined) {
segments.push(childPath);
}
}
}
return normalizeSegments(segments);
}
function computeChangedPathImpl(treeA, treeB) {
const [segmentA, parallelRoutesA] = treeA;
const [segmentB, parallelRoutesB] = treeB;
const normalizedSegmentA = segmentToPathname(segmentA);
const normalizedSegmentB = segmentToPathname(segmentB);
if (INTERCEPTION_ROUTE_MARKERS.some((m)=>normalizedSegmentA.startsWith(m) || normalizedSegmentB.startsWith(m))) {
return '';
}
if (!matchSegment(segmentA, segmentB)) {
var _extractPathFromFlightRouterState;
// once we find where the tree changed, we compute the rest of the path by traversing the tree
return (_extractPathFromFlightRouterState = extractPathFromFlightRouterState(treeB)) != null ? _extractPathFromFlightRouterState : '';
}
for(const parallelRouterKey in parallelRoutesA){
if (parallelRoutesB[parallelRouterKey]) {
const changedPath = computeChangedPathImpl(parallelRoutesA[parallelRouterKey], parallelRoutesB[parallelRouterKey]);
if (changedPath !== null) {
return segmentToPathname(segmentB) + "/" + changedPath;
}
}
}
return null;
}
export function computeChangedPath(treeA, treeB) {
const changedPath = computeChangedPathImpl(treeA, treeB);
if (changedPath == null || changedPath === '/') {
return changedPath;
}
// lightweight normalization to remove route groups
return normalizeSegments(changedPath.split('/'));
}
/**
* Recursively extracts dynamic parameters from FlightRouterState.
*/ export function getSelectedParams(currentTree, params) {
if (params === void 0) params = {};
const parallelRoutes = currentTree[1];
for (const parallelRoute of Object.values(parallelRoutes)){
const segment = parallelRoute[0];
const isDynamicParameter = Array.isArray(segment);
const segmentValue = isDynamicParameter ? segment[1] : segment;
if (!segmentValue || segmentValue.startsWith(PAGE_SEGMENT_KEY)) continue;
// Ensure catchAll and optional catchall are turned into an array
const isCatchAll = isDynamicParameter && (segment[2] === 'c' || segment[2] === 'oc');
if (isCatchAll) {
params[segment[0]] = segment[1].split('/');
} else if (isDynamicParameter) {
params[segment[0]] = segment[1];
}
params = getSelectedParams(parallelRoute, params);
}
return params;
}
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