next/dist/esm/client/components/router-reducer/invalidate-cache-by-router-state.js

The React Framework

import { createRouterCacheKey } from './create-router-cache-key';
/**
 * Invalidate cache one level down from the router state.
 */ export function invalidateCacheByRouterState(newCache, existingCache, routerState) {
    // Remove segment that we got data for so that it is filled in during rendering of rsc.
    for(const key in routerState[1]){
        const segmentForParallelRoute = routerState[1][key][0];
        const cacheKey = createRouterCacheKey(segmentForParallelRoute);
        const existingParallelRoutesCacheNode = existingCache.parallelRoutes.get(key);
        if (existingParallelRoutesCacheNode) {
            let parallelRouteCacheNode = new Map(existingParallelRoutesCacheNode);
            parallelRouteCacheNode.delete(cacheKey);
            newCache.parallelRoutes.set(key, parallelRouteCacheNode);
        }
    }
}

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