43 lines
2.0 KiB
JavaScript
43 lines
2.0 KiB
JavaScript
import { createRouterCacheKey } from "./create-router-cache-key";
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/**
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* Fill cache up to the end of the flightSegmentPath, invalidating anything below it.
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*/ export function invalidateCacheBelowFlightSegmentPath(newCache, existingCache, flightSegmentPath) {
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const isLastEntry = flightSegmentPath.length <= 2;
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const [parallelRouteKey, segment] = flightSegmentPath;
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const cacheKey = createRouterCacheKey(segment);
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const existingChildSegmentMap = existingCache.parallelRoutes.get(parallelRouteKey);
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if (!existingChildSegmentMap) {
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// Bailout because the existing cache does not have the path to the leaf node
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// Will trigger lazy fetch in layout-router because of missing segment
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return;
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}
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let childSegmentMap = newCache.parallelRoutes.get(parallelRouteKey);
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if (!childSegmentMap || childSegmentMap === existingChildSegmentMap) {
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childSegmentMap = new Map(existingChildSegmentMap);
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newCache.parallelRoutes.set(parallelRouteKey, childSegmentMap);
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}
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// In case of last entry don't copy further down.
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if (isLastEntry) {
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childSegmentMap.delete(cacheKey);
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return;
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}
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const existingChildCacheNode = existingChildSegmentMap.get(cacheKey);
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let childCacheNode = childSegmentMap.get(cacheKey);
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if (!childCacheNode || !existingChildCacheNode) {
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// Bailout because the existing cache does not have the path to the leaf node
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// Will trigger lazy fetch in layout-router because of missing segment
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return;
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}
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if (childCacheNode === existingChildCacheNode) {
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childCacheNode = {
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status: childCacheNode.status,
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data: childCacheNode.data,
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subTreeData: childCacheNode.subTreeData,
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parallelRoutes: new Map(childCacheNode.parallelRoutes)
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};
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childSegmentMap.set(cacheKey, childCacheNode);
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}
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invalidateCacheBelowFlightSegmentPath(childCacheNode, existingChildCacheNode, flightSegmentPath.slice(2));
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}
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//# sourceMappingURL=invalidate-cache-below-flight-segmentpath.js.map
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