next
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The React Framework
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JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
0 && (module.exports = {
completeHardNavigation: null,
completeSoftNavigation: null,
completeTraverseNavigation: null,
convertServerPatchToFullTree: null,
navigate: null,
navigateToKnownRoute: null
});
function _export(target, all) {
for(var name in all)Object.defineProperty(target, name, {
enumerable: true,
get: all[name]
});
}
_export(exports, {
completeHardNavigation: function() {
return completeHardNavigation;
},
completeSoftNavigation: function() {
return completeSoftNavigation;
},
completeTraverseNavigation: function() {
return completeTraverseNavigation;
},
convertServerPatchToFullTree: function() {
return convertServerPatchToFullTree;
},
navigate: function() {
return navigate;
},
navigateToKnownRoute: function() {
return navigateToKnownRoute;
}
});
const _fetchserverresponse = require("../router-reducer/fetch-server-response");
const _pprnavigations = require("../router-reducer/ppr-navigations");
const _createhreffromurl = require("../router-reducer/create-href-from-url");
const _constants = require("../../../lib/constants");
const _cache = require("./cache");
const _optimisticroutes = require("./optimistic-routes");
const _cachekey = require("./cache-key");
const _scheduler = require("./scheduler");
const _types = require("./types");
const _links = require("../links");
const _routerreducertypes = require("../router-reducer/router-reducer-types");
const _computechangedpath = require("../router-reducer/compute-changed-path");
const _javascripturl = require("../../lib/javascript-url");
const _bfcache = require("./bfcache");
function navigate(state, url, currentUrl, currentRenderedSearch, currentCacheNode, currentFlightRouterState, nextUrl, freshnessPolicy, scrollBehavior, navigateType) {
// Instant Navigation Testing API: when the lock is active, ensure a
// prefetch task has been initiated before proceeding with the navigation.
// This guarantees that segment data requests are at least pending, even
// for routes that already have a cached route tree. Without this, the
// static shell might be incomplete because some segments were never
// requested.
if (process.env.__NEXT_EXPOSE_TESTING_API) {
const { isNavigationLocked } = require('./navigation-testing-lock');
if (isNavigationLocked()) {
return ensurePrefetchThenNavigate(state, url, currentUrl, currentRenderedSearch, currentCacheNode, currentFlightRouterState, nextUrl, freshnessPolicy, scrollBehavior, navigateType);
}
}
return navigateImpl(state, url, currentUrl, currentRenderedSearch, currentCacheNode, currentFlightRouterState, nextUrl, freshnessPolicy, scrollBehavior, navigateType);
}
function navigateImpl(state, url, currentUrl, currentRenderedSearch, currentCacheNode, currentFlightRouterState, nextUrl, freshnessPolicy, scrollBehavior, navigateType) {
const now = Date.now();
const href = url.href;
const cacheKey = (0, _cachekey.createCacheKey)(href, nextUrl);
const route = (0, _cache.readRouteCacheEntry)(now, cacheKey);
if (route !== null && route.status === _cache.EntryStatus.Fulfilled) {
// We have a matching prefetch.
return navigateUsingPrefetchedRouteTree(now, state, url, currentUrl, currentRenderedSearch, nextUrl, currentCacheNode, currentFlightRouterState, freshnessPolicy, scrollBehavior, navigateType, route);
}
// There was no matching route tree in the cache. Let's see if we can
// construct an "optimistic" route tree using the deprecated search-params
// based matching. This is only used when the new optimisticRouting flag is
// disabled.
//
// Do not construct an optimistic route tree if there was a cache hit, but
// the entry has a rejected status, since it may have been rejected due to a
// rewrite or redirect based on the search params.
//
// TODO: There are multiple reasons a prefetch might be rejected; we should
// track them explicitly and choose what to do here based on that.
if (!process.env.__NEXT_OPTIMISTIC_ROUTING) {
if (route === null || route.status !== _cache.EntryStatus.Rejected) {
const optimisticRoute = (0, _cache.deprecated_requestOptimisticRouteCacheEntry)(now, url, nextUrl);
if (optimisticRoute !== null) {
// We have an optimistic route tree. Proceed with the normal flow.
return navigateUsingPrefetchedRouteTree(now, state, url, currentUrl, currentRenderedSearch, nextUrl, currentCacheNode, currentFlightRouterState, freshnessPolicy, scrollBehavior, navigateType, optimisticRoute);
}
}
}
// There's no matching prefetch for this route in the cache. We must lazily
// fetch it from the server before we can perform the navigation.
//
// TODO: If this is a gesture navigation, instead of performing a
// dynamic request, we should do a runtime prefetch.
return navigateToUnknownRoute(now, state, url, currentUrl, currentRenderedSearch, nextUrl, currentCacheNode, currentFlightRouterState, freshnessPolicy, scrollBehavior, navigateType).catch(()=>{
// If the navigation fails, return the current state
return state;
});
}
function navigateToKnownRoute(now, state, url, canonicalUrl, navigationSeed, currentUrl, currentRenderedSearch, currentCacheNode, currentFlightRouterState, freshnessPolicy, nextUrl, scrollBehavior, navigateType, debugInfo, // The route cache entry used for this navigation, if it came from route
// prediction. Passed through so it can be marked as having a dynamic rewrite
// if the server returns a different pathname (indicating dynamic rewrite
// behavior).
//
// When null, the navigation did not use route prediction - either because
// the route was already fully cached, or it's a navigation that doesn't
// involve prediction (refresh, history traversal, server action, etc.).
// In these cases, if a mismatch occurs, we still mark the route as having a
// dynamic rewrite by traversing the known route tree (see
// dispatchRetryDueToTreeMismatch).
routeCacheEntry) {
// A version of navigate() that accepts the target route tree as an argument
// rather than reading it from the prefetch cache.
const accumulation = {
separateRefreshUrls: null,
scrollRef: null
};
// We special case navigations to the exact same URL as the current location.
// It's a common UI pattern for apps to refresh when you click a link to the
// current page. So when this happens, we refresh the dynamic data in the page
// segments.
//
// Note that this does not apply if the any part of the hash or search query
// has changed. This might feel a bit weird but it makes more sense when you
// consider that the way to trigger this behavior is to click the same link
// multiple times.
//
// TODO: We should probably refresh the *entire* route when this case occurs,
// not just the page segments. Essentially treating it the same as a refresh()
// triggered by an action, which is the more explicit way of modeling the UI
// pattern described above.
//
// Also note that this only refreshes the dynamic data, not static/ cached
// data. If the page segment is fully static and prefetched, the request is
// skipped. (This is also how refresh() works.)
const isSamePageNavigation = url.href === currentUrl.href;
const task = (0, _pprnavigations.startPPRNavigation)(now, currentUrl, currentRenderedSearch, currentCacheNode, currentFlightRouterState, navigationSeed.routeTree, navigationSeed.metadataVaryPath, freshnessPolicy, navigationSeed.data, navigationSeed.head, navigationSeed.dynamicStaleAt, isSamePageNavigation, accumulation);
if (task !== null) {
if (freshnessPolicy !== _pprnavigations.FreshnessPolicy.Gesture) {
(0, _pprnavigations.spawnDynamicRequests)(task, url, nextUrl, freshnessPolicy, accumulation, routeCacheEntry, navigateType);
}
return completeSoftNavigation(state, url, nextUrl, task.route, task.node, navigationSeed.renderedSearch, canonicalUrl, navigateType, scrollBehavior, accumulation.scrollRef, debugInfo);
}
// Could not perform a SPA navigation. Revert to a full-page (MPA) navigation.
return completeHardNavigation(state, url, navigateType);
}
function navigateUsingPrefetchedRouteTree(now, state, url, currentUrl, currentRenderedSearch, nextUrl, currentCacheNode, currentFlightRouterState, freshnessPolicy, scrollBehavior, navigateType, route) {
const routeTree = route.tree;
const canonicalUrl = route.canonicalUrl + url.hash;
const renderedSearch = route.renderedSearch;
const prefetchSeed = {
renderedSearch,
routeTree,
metadataVaryPath: route.metadata.varyPath,
data: null,
head: null,
dynamicStaleAt: (0, _bfcache.computeDynamicStaleAt)(now, _bfcache.UnknownDynamicStaleTime)
};
return navigateToKnownRoute(now, state, url, canonicalUrl, prefetchSeed, currentUrl, currentRenderedSearch, currentCacheNode, currentFlightRouterState, freshnessPolicy, nextUrl, scrollBehavior, navigateType, null, route);
}
// Used to request all the dynamic data for a route, rather than just a subset,
// e.g. during a refresh or a revalidation. Typically this gets constructed
// during the normal flow when diffing the route tree, but for an unprefetched
// navigation, where we don't know the structure of the target route, we use
// this instead.
const DynamicRequestTreeForEntireRoute = [
'',
{},
null,
'refetch'
];
async function navigateToUnknownRoute(now, state, url, currentUrl, currentRenderedSearch, nextUrl, currentCacheNode, currentFlightRouterState, freshnessPolicy, scrollBehavior, navigateType) {
// Runs when a navigation happens but there's no cached prefetch we can use.
// Don't bother to wait for a prefetch response; go straight to a full
// navigation that contains both static and dynamic data in a single stream.
// (This is unlike the old navigation implementation, which instead blocks
// the dynamic request until a prefetch request is received.)
//
// To avoid duplication of logic, we're going to pretend that the tree
// returned by the dynamic request is, in fact, a prefetch tree. Then we can
// use the same server response to write the actual data into the CacheNode
// tree. So it's the same flow as the "happy path" (prefetch, then
// navigation), except we use a single server response for both stages.
let dynamicRequestTree;
switch(freshnessPolicy){
case _pprnavigations.FreshnessPolicy.Default:
case _pprnavigations.FreshnessPolicy.HistoryTraversal:
case _pprnavigations.FreshnessPolicy.Gesture:
dynamicRequestTree = currentFlightRouterState;
break;
case _pprnavigations.FreshnessPolicy.Hydration:
case _pprnavigations.FreshnessPolicy.RefreshAll:
case _pprnavigations.FreshnessPolicy.HMRRefresh:
dynamicRequestTree = DynamicRequestTreeForEntireRoute;
break;
default:
freshnessPolicy;
dynamicRequestTree = currentFlightRouterState;
break;
}
const promiseForDynamicServerResponse = (0, _fetchserverresponse.fetchServerResponse)(url, {
flightRouterState: dynamicRequestTree,
nextUrl
});
const result = await promiseForDynamicServerResponse;
if (typeof result === 'string') {
// This is an MPA navigation.
const redirectUrl = new URL(result, location.origin);
return completeHardNavigation(state, redirectUrl, navigateType);
}
const { flightData, canonicalUrl, renderedSearch, couldBeIntercepted, supportsPerSegmentPrefetching, dynamicStaleTime, staticStageData, runtimePrefetchStream, responseHeaders, debugInfo } = result;
// Since the response format of dynamic requests and prefetches is slightly
// different, we'll need to massage the data a bit. Create FlightRouterState
// tree that simulates what we'd receive as the result of a prefetch.
const navigationSeed = convertServerPatchToFullTree(now, currentFlightRouterState, flightData, renderedSearch, dynamicStaleTime);
// Learn the route pattern so we can predict it for future navigations.
// hasDynamicRewrite is false because this is a fresh navigation to an
// unknown route - any rewrite detection happens during the traversal inside
// discoverKnownRoute. The hasDynamicRewrite param is only set to true when
// retrying after a tree mismatch (see dispatchRetryDueToTreeMismatch).
const metadataVaryPath = navigationSeed.metadataVaryPath;
if (metadataVaryPath !== null) {
(0, _optimisticroutes.discoverKnownRoute)(now, url.pathname, nextUrl, null, navigationSeed.routeTree, metadataVaryPath, couldBeIntercepted, (0, _createhreffromurl.createHrefFromUrl)(canonicalUrl), supportsPerSegmentPrefetching, false // hasDynamicRewrite - not a retry, rewrite detection happens during traversal
);
if (staticStageData !== null) {
const { response: staticStageResponse, isResponsePartial } = staticStageData;
// Write the static stage of the response into the segment cache so that
// subsequent navigations can serve cached static segments instantly.
(0, _cache.getStaleAt)(now, staticStageResponse.s).then((staleAt)=>{
const buildId = responseHeaders.get(_constants.NEXT_NAV_DEPLOYMENT_ID_HEADER) ?? staticStageResponse.b;
(0, _cache.writeStaticStageResponseIntoCache)(now, staticStageResponse.f, buildId, staticStageResponse.h, staleAt, currentFlightRouterState, renderedSearch, isResponsePartial);
}).catch(()=>{
// The static stage processing failed. Not fatal — the navigation
// completed normally, we just won't write into the cache.
});
}
if (runtimePrefetchStream !== null) {
(0, _cache.processRuntimePrefetchStream)(now, runtimePrefetchStream, currentFlightRouterState, renderedSearch).then((processed)=>{
if (processed !== null) {
(0, _cache.writeDynamicRenderResponseIntoCache)(now, _types.FetchStrategy.PPRRuntime, processed.flightDatas, processed.buildId, processed.isResponsePartial, processed.headVaryParams, processed.staleAt, processed.navigationSeed, null);
}
}).catch(()=>{
// The runtime prefetch cache write failed. Not fatal — the
// navigation completed normally, we just won't cache runtime data.
});
}
}
return navigateToKnownRoute(now, state, url, (0, _createhreffromurl.createHrefFromUrl)(canonicalUrl), navigationSeed, currentUrl, currentRenderedSearch, currentCacheNode, currentFlightRouterState, freshnessPolicy, nextUrl, scrollBehavior, navigateType, debugInfo, // Unknown route navigations don't use route prediction - the route tree
// came directly from the server. If a mismatch occurs during dynamic data
// fetch, the retry handler will traverse the known route tree to mark the
// entry as having a dynamic rewrite.
null);
}
function completeHardNavigation(state, url, navigateType) {
if ((0, _javascripturl.isJavaScriptURLString)(url.href)) {
console.error('Next.js has blocked a javascript: URL as a security precaution.');
return state;
}
const newState = {
canonicalUrl: url.origin === location.origin ? (0, _createhreffromurl.createHrefFromUrl)(url) : url.href,
pushRef: {
pendingPush: navigateType === 'push',
mpaNavigation: true,
preserveCustomHistoryState: false
},
// TODO: None of the rest of these values are consistent with the incoming
// navigation. We rely on the fact that AppRouter will suspend and trigger
// a hard navigation before it accesses any of these values. But instead
// we should trigger the hard navigation and blocking any subsequent
// router updates without updating React.
renderedSearch: state.renderedSearch,
focusAndScrollRef: state.focusAndScrollRef,
cache: state.cache,
tree: state.tree,
nextUrl: state.nextUrl,
previousNextUrl: state.previousNextUrl,
debugInfo: null
};
return newState;
}
function completeSoftNavigation(oldState, url, referringNextUrl, tree, cache, renderedSearch, canonicalUrl, navigateType, scrollBehavior, scrollRef, collectedDebugInfo) {
// The "Next-Url" is a special representation of the URL that Next.js
// uses to implement interception routes.
// TODO: Get rid of this extra traversal by computing this during the
// same traversal that computes the tree itself. We should also figure out
// what is the minimum information needed for the server to correctly
// intercept the route.
const changedPath = (0, _computechangedpath.computeChangedPath)(oldState.tree, tree);
const nextUrlForNewRoute = changedPath ? changedPath : oldState.nextUrl;
// This value is stored on the state as `previousNextUrl`; the naming is
// confusing. What it represents is the "Next-Url" header that was used to
// fetch the incoming route. It's essentially the refererer URL, but in a
// Next.js specific format. During refreshes, this is sent back to the server
// instead of the current route's "Next-Url" so that the same interception
// logic is applied as during the original navigation.
const previousNextUrl = referringNextUrl;
// Check if the only thing that changed was the hash fragment.
const oldUrl = new URL(oldState.canonicalUrl, url);
const onlyHashChange = // We don't need to compare the origins, because client-driven
// navigations are always same-origin.
url.pathname === oldUrl.pathname && url.search === oldUrl.search && url.hash !== oldUrl.hash;
// Determine whether and how the page should scroll after this
// navigation.
//
// By default, we scroll to the segments that were navigated to — i.e.
// segments in the new part of the route, as opposed to shared segments
// that were already part of the previous route. All newly navigated
// segments share a single ScrollRef. When they mount, the first one
// to mount initiates the scroll. They share a ref so that only one
// scroll happens per navigation.
//
// If a subsequent navigation produces new segments, those supersede
// any pending scroll from the previous navigation by invalidating its
// ScrollRef. If a navigation doesn't produce any new segments (e.g.
// a refresh where the route structure didn't change), any pending
// scrolls from previous navigations are unaffected.
//
// The branches below handle special cases layered on top of this
// default model.
let activeScrollRef;
let forceScroll;
if (scrollBehavior === _routerreducertypes.ScrollBehavior.NoScroll) {
// The user explicitly opted out of scrolling (e.g. scroll={false}
// on a Link or router.push).
//
// If this navigation created new scroll targets (scrollRef !== null),
// neutralize them. If it didn't, any prior scroll targets carried
// forward on the cache nodes via reuseSharedCacheNode remain active.
if (scrollRef !== null) {
scrollRef.current = false;
}
activeScrollRef = oldState.focusAndScrollRef.scrollRef;
forceScroll = false;
} else if (onlyHashChange) {
// Hash-only navigations should scroll regardless of per-node state.
// Create a fresh ref so the first segment to scroll consumes it.
//
// Invalidate any scroll ref from a prior navigation that hasn't
// been consumed yet.
const oldScrollRef = oldState.focusAndScrollRef.scrollRef;
if (oldScrollRef !== null) {
oldScrollRef.current = false;
}
// Also invalidate any per-node refs that were accumulated during
// this navigation's tree construction — the hash-only ref
// supersedes them.
if (scrollRef !== null) {
scrollRef.current = false;
}
activeScrollRef = {
current: true
};
forceScroll = true;
} else {
// Default case. Use the accumulated scrollRef (may be null if no
// new segments were created). The handler checks per-node refs, so
// unchanged parallel route slots won't scroll.
activeScrollRef = scrollRef;
// If this navigation created new scroll targets, invalidate any
// pending scroll from a previous navigation.
if (scrollRef !== null) {
const oldScrollRef = oldState.focusAndScrollRef.scrollRef;
if (oldScrollRef !== null) {
oldScrollRef.current = false;
}
}
forceScroll = false;
}
const newState = {
canonicalUrl,
renderedSearch,
pushRef: {
pendingPush: navigateType === 'push',
mpaNavigation: false,
preserveCustomHistoryState: false
},
focusAndScrollRef: {
scrollRef: activeScrollRef,
forceScroll,
onlyHashChange,
hashFragment: // Remove leading # and decode hash to make non-latin hashes work.
//
// Empty hash should trigger default behavior of scrolling layout into
// view. #top is handled in layout-router.
//
// Refer to `ScrollAndFocusHandler` for details on how this is used.
scrollBehavior !== _routerreducertypes.ScrollBehavior.NoScroll && url.hash !== '' ? decodeURIComponent(url.hash.slice(1)) : oldState.focusAndScrollRef.hashFragment
},
cache,
tree,
nextUrl: nextUrlForNewRoute,
previousNextUrl,
debugInfo: collectedDebugInfo
};
return newState;
}
function completeTraverseNavigation(state, url, renderedSearch, cache, tree, nextUrl) {
return {
// Set canonical url
canonicalUrl: (0, _createhreffromurl.createHrefFromUrl)(url),
renderedSearch,
pushRef: {
pendingPush: false,
mpaNavigation: false,
// Ensures that the custom history state that was set is preserved when applying this update.
preserveCustomHistoryState: true
},
focusAndScrollRef: state.focusAndScrollRef,
cache,
// Restore provided tree
tree,
nextUrl,
// TODO: We need to restore previousNextUrl, too, which represents the
// Next-Url that was used to fetch the data. Anywhere we fetch using the
// canonical URL, there should be a corresponding Next-Url.
previousNextUrl: null,
debugInfo: null
};
}
function convertServerPatchToFullTree(now, currentTree, flightData, renderedSearch, dynamicStaleTimeSeconds) {
// During a client navigation or prefetch, the server sends back only a patch
// for the parts of the tree that have changed.
//
// This applies the patch to the base tree to create a full representation of
// the resulting tree.
//
// The return type includes a full FlightRouterState tree and a full
// CacheNodeSeedData tree. (Conceptually these are the same tree, and should
// eventually be unified, but there's still lots of existing code that
// operates on FlightRouterState trees alone without the CacheNodeSeedData.)
//
// TODO: This similar to what apply-router-state-patch-to-tree does. It
// will eventually fully replace it. We should get rid of all the remaining
// places where we iterate over the server patch format. This should also
// eventually replace normalizeFlightData.
let baseTree = currentTree;
let baseData = null;
let head = null;
if (flightData !== null) {
for (const { segmentPath, tree: treePatch, seedData: dataPatch, head: headPatch } of flightData){
const result = convertServerPatchToFullTreeImpl(baseTree, baseData, treePatch, dataPatch, segmentPath, renderedSearch, 0);
baseTree = result.tree;
baseData = result.data;
// This is the same for all patches per response, so just pick an
// arbitrary one
head = headPatch;
}
}
const finalFlightRouterState = baseTree;
// Convert the final FlightRouterState into a RouteTree type.
//
// TODO: Eventually, FlightRouterState will evolve to being a transport format
// only. The RouteTree type will become the main type used for dealing with
// routes on the client, and we'll store it in the state directly.
const acc = {
metadataVaryPath: null
};
const routeTree = (0, _cache.convertRootFlightRouterStateToRouteTree)(finalFlightRouterState, renderedSearch, acc);
return {
routeTree,
metadataVaryPath: acc.metadataVaryPath,
data: baseData,
renderedSearch,
head,
dynamicStaleAt: (0, _bfcache.computeDynamicStaleAt)(now, dynamicStaleTimeSeconds)
};
}
function convertServerPatchToFullTreeImpl(baseRouterState, baseData, treePatch, dataPatch, segmentPath, renderedSearch, index) {
if (index === segmentPath.length) {
// We reached the part of the tree that we need to patch.
return {
tree: treePatch,
data: dataPatch
};
}
// segmentPath represents the parent path of subtree. It's a repeating
// pattern of parallel route key and segment:
//
// [string, Segment, string, Segment, string, Segment, ...]
//
// This path tells us which part of the base tree to apply the tree patch.
//
// NOTE: We receive the FlightRouterState patch in the same request as the
// seed data patch. Therefore we don't need to worry about diffing the segment
// values; we can assume the server sent us a correct result.
const updatedParallelRouteKey = segmentPath[index];
// const segment: Segment = segmentPath[index + 1] <-- Not used, see note above
const baseTreeChildren = baseRouterState[1];
const baseSeedDataChildren = baseData !== null ? baseData[1] : null;
const newTreeChildren = {};
const newSeedDataChildren = {};
for(const parallelRouteKey in baseTreeChildren){
const childBaseRouterState = baseTreeChildren[parallelRouteKey];
const childBaseSeedData = baseSeedDataChildren !== null ? baseSeedDataChildren[parallelRouteKey] ?? null : null;
if (parallelRouteKey === updatedParallelRouteKey) {
const result = convertServerPatchToFullTreeImpl(childBaseRouterState, childBaseSeedData, treePatch, dataPatch, segmentPath, renderedSearch, // Advance the index by two and keep cloning until we reach
// the end of the segment path.
index + 2);
newTreeChildren[parallelRouteKey] = result.tree;
newSeedDataChildren[parallelRouteKey] = result.data;
} else {
// This child is not being patched. Copy it over as-is.
newTreeChildren[parallelRouteKey] = childBaseRouterState;
newSeedDataChildren[parallelRouteKey] = childBaseSeedData;
}
}
let clonedTree;
let clonedSeedData;
// Clone all the fields except the children.
// Clone the FlightRouterState tree. Based on equivalent logic in
// apply-router-state-patch-to-tree, but should confirm whether we need to
// copy all of these fields. Not sure the server ever sends, e.g. the
// refetch marker.
clonedTree = [
baseRouterState[0],
newTreeChildren
];
if (2 in baseRouterState) {
const compressedRefreshState = baseRouterState[2];
if (compressedRefreshState !== undefined && compressedRefreshState !== null) {
// Since this part of the tree was patched with new data, any parent
// refresh states should be updated to reflect the new rendered search
// value. (The refresh state acts like a "context provider".) All pages
// within the same server response share the same renderedSearch value,
// but the same RouteTree could be composed from multiple different
// routes, and multiple responses.
clonedTree[2] = [
compressedRefreshState[0],
renderedSearch
];
}
}
if (3 in baseRouterState) {
clonedTree[3] = baseRouterState[3];
}
if (4 in baseRouterState) {
clonedTree[4] = baseRouterState[4];
}
// Clone the CacheNodeSeedData tree.
const isEmptySeedDataPartial = true;
clonedSeedData = [
null,
newSeedDataChildren,
null,
isEmptySeedDataPartial,
null
];
return {
tree: clonedTree,
data: clonedSeedData
};
}
/**
* Instant Navigation Testing API: ensures a prefetch task has been initiated
* and completed before proceeding with the navigation. This guarantees that
* segment data requests are at least pending, even for routes whose route
* tree is already cached.
*
* After the prefetch completes, delegates to the normal navigation flow.
*/ async function ensurePrefetchThenNavigate(state, url, currentUrl, currentRenderedSearch, currentCacheNode, currentFlightRouterState, nextUrl, freshnessPolicy, scrollBehavior, navigateType) {
const link = (0, _links.getLinkForCurrentNavigation)();
const fetchStrategy = link !== null ? link.fetchStrategy : _types.FetchStrategy.PPR;
// Transition the cookie to captured-SPA immediately, before waiting
// for the prefetch. This ensures the devtools panel can update its UI
// right away, even if the prefetch takes time (e.g. dev compilation).
// The "to" tree starts as null and is filled in after the prefetch
// resolves and the navigation produces a new router state.
const { transitionToCapturedSPA, updateCapturedSPAToTree } = require('./navigation-testing-lock');
transitionToCapturedSPA(currentFlightRouterState, null);
const cacheKey = (0, _cachekey.createCacheKey)(url.href, nextUrl);
await new Promise((resolve)=>{
(0, _scheduler.schedulePrefetchTask)(cacheKey, currentFlightRouterState, fetchStrategy, _types.PrefetchPriority.Default, null, resolve // _onComplete callback
);
});
// Prefetch is complete. Proceed with the normal navigation flow, which
// will now find the route in the cache.
const result = await navigateImpl(state, url, currentUrl, currentRenderedSearch, currentCacheNode, currentFlightRouterState, nextUrl, freshnessPolicy, scrollBehavior, navigateType);
// Update the cookie with the resolved "to" tree so the devtools
// panel can display both routes immediately.
updateCapturedSPAToTree(currentFlightRouterState, result.tree);
return result;
}
if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') {
Object.defineProperty(exports.default, '__esModule', { value: true });
Object.assign(exports.default, exports);
module.exports = exports.default;
}
//# sourceMappingURL=navigation.js.map